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PE Executable
MD5:
Size: 0 B
application/x-dosexec

The file e7581a75a5b715c4f6771015001e1245 is a PE Executable identified by Malva.RE as njRat (rat). Static analysis extracted 1 embedded or derived file. It matches 8 YARA rules. The file was analysed statically: it was parsed and decompiled, never executed.

SHA256
—
MD5
-
Verdict
Inconclusive
File type
PE Executable
Family
njRat
Category
RAT

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File
Type
Portable Executable file
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

2 files
EXEe7581a75a5b715c4f6771015001e1245njRat
Structure

Name Value
Module Name
Stub.exe
Full Name
Stub.exe
EntryPoint
System.Void L::main()
Scope Name
Stub.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v2.0.50727
Tables Header Version
512
WinMD Version
<null>
Assembly Name
Stub
Assembly Version
0.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
242
Main Method
System.Void L::main()
Main IL Instruction Count
126
Main IL 
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
ldnull <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
stloc.0 <null>
ldloc.0 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .exe
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[])
ldloc.0 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
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>
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.s 21
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
ldnull <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
stloc.1 <null>
ldloc.1 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.s 21
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .exe
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[])
ldloc.1 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
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>
leave.s IL_0168: call System.Void L::ko()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.2 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0168: call System.Void L::ko()
call System.Void L::ko()
ret <null>
Module Name
Stub.exe
Full Name
Stub.exe
EntryPoint
System.Void L::main()
Scope Name
Stub.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v2.0.50727
Tables Header Version
512
WinMD Version
<null>
Assembly Name
Stub
Assembly Version
0.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
242
Main Method
System.Void L::main()
Main IL Instruction Count
126
Main IL 
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
ldnull <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
stloc.0 <null>
ldloc.0 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.7 <null>
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .exe
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[])
ldloc.0 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
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>
ldstr WScript.Shell
ldstr 
call System.Object Microsoft.VisualBasic.Interaction::CreateObject(System.String,System.String)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr CreateShortcut
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.s 21
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .lnk
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
ldnull <null>
call System.Object Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateGet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[],System.Boolean[])
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
stloc.1 <null>
ldloc.1 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
ldnull <null>
ldstr TargetPath
ldc.i4.1 <null>
newarr System.Object
stloc.3 <null>
ldloc.3 <null>
ldc.i4.0 <null>
ldc.i4.s 21
call System.String System.Environment::GetFolderPath(System.Environment/SpecialFolder)
ldstr \
ldsfld System.String L::RG
ldstr .exe
call System.String System.String::Concat(System.String,System.String,System.String,System.String)
stelem.ref <null>
ldloc.3 <null>
ldnull <null>
ldnull <null>
call System.Void Microsoft.VisualBasic.CompilerServices.NewLateBinding::LateSet(System.Object,System.Type,System.String,System.Object[],System.String[],System.Type[])
ldloc.1 <null>
call System.Object System.Runtime.CompilerServices.RuntimeHelpers::GetObjectValue(System.Object)
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>
leave.s IL_0168: call System.Void L::ko()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.2 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_0168: call System.Void L::ko()
call System.Void L::ko()
ret <null>
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