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

The file 1399a2c34b345559cc361d0e9a396e48 is a PE Executable identified by Malva.RE as njRat (rat). Static analysis extracted 2 embedded or derived files. It matches 10 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

3 files
EXE1399a2c34b345559cc361d0e9a396e48njRat
Structure

Name Value
Module Name
FDDDDDDDDDDDDDD.exe
Full Name
FDDDDDDDDDDDDDD.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
FDDDDDDDDDDDDDD.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
FDDDDDDDDDDDDDD
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
169
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
69
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
leave.s IL_009E: 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_009E: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00AB: 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_00C0: call System.Void Stub.Helper::PreventSleep()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.3 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00C0: 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_00D6: 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
FDDDDDDDDDDDDDD.exe
Full Name
FDDDDDDDDDDDDDD.exe
EntryPoint
System.Void Stub.Main::Main()
Scope Name
FDDDDDDDDDDDDDD.exe
Scope Type
ModuleDef
Kind
Windows
Runtime Version
v4.0.30319
Tables Header Version
512
WinMD Version
<null>
Assembly Name
FDDDDDDDDDDDDDD
Assembly Version
1.0.0.0
Assembly Culture
<null>
Has PublicKey
False
PublicKey Token
<null>
Target Framework
<null>
Total Strings
169
Main Method
System.Void Stub.Main::Main()
Main IL Instruction Count
69
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
leave.s IL_009E: 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_009E: call System.Boolean Stub.Helper::CreateMutex()
call System.Boolean Stub.Helper::CreateMutex()
brtrue.s IL_00AB: 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_00C0: call System.Void Stub.Helper::PreventSleep()
dup <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception)
stloc.3 <null>
call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError()
leave.s IL_00C0: 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_00D6: 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>
An error has occurred. This application may no longer respond until reloaded. Reload 🗙