dc66527454c664199c0959dc7ca576dc

PE Executable
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MD5: dc66527454c664199c0959dc7ca576dc
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Size: 36.86 KB
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application/x-dosexec

Infection Chain

Summary by MalvaGPT

Characteristics

Hash	Hash Value
MD5	dc66527454c664199c0959dc7ca576dc
Sha1	6e9ef8b1d6a17611c003b2793ed41b091a8bd7f4
Sha256	bcbfbd1220992bb8d327e199e25273accb4e73160397d445c06c98bb90e5a194
Sha384	03dc56c7e4746e7b31d9c4ad9ef5898577417fedc72ef7e4f5434a30e5d6d36935ef2ab154913a0bb114bcb4c9e3cf48
Sha512	a81dcc8e1cb04284556236a689ab4de698d736de2789d117058435485fa444bac67489cd25788a0cd48200f81ec938d8a8379367cf38188d61c30bf2be6f3149
SSDeep	768:I8/bF82C6UBiwExPHNElQFG9YBOMhikLL3:I8/p82ClBiPxfNEOFG9YBOMkK3
TLSH	01F25D083F944229CAFF7BF619B265121730F5079A13E79E0CE48AAA7F77BC045447A6

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	VCHkHFok8vj9Z1PW
Pastebin	https://pastebin.com/raw/Rq7yMK0W
KEY	<666666>
USBNM	<Xwormmm>
family	xworm

Informations

Name0	Value
Info	PE Detect: PeReader OK (file layout)
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	191
Main Method	System.Void Stub.Main::Main()
Main IL Instruction Count	88
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::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::PasteUrl call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::PasteUrl leave.s IL_008A: 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_008A: call System.Boolean Stub.Helper::CreateMutex() call System.Boolean Stub.Helper::CreateMutex() brtrue.s IL_0097: ldsfld System.String Settings::PasteUrl ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) ldsfld System.String Settings::PasteUrl call System.String Stub.Main::DownloadStr(System.String) stloc.0 <null> ldloc.0 <null> ldc.i4.1 <null> newarr System.Char stloc.s V_4 ldloc.s V_4 ldc.i4.0 <null> ldc.i4.s 58 stelem.i2 <null> ldloc.s V_4 callvirt System.String[] System.String::Split(System.Char[]) ldc.i4.0 <null> ldelem.ref <null> stsfld System.String Settings::Host ldloc.0 <null> ldc.i4.1 <null> newarr System.Char stloc.s V_4 ldloc.s V_4 ldc.i4.0 <null> ldc.i4.s 58 stelem.i2 <null> ldloc.s V_4 callvirt System.String[] System.String::Split(System.Char[]) ldc.i4.1 <null> ldelem.ref <null> stsfld System.String Settings::Port 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	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	191
Main Method	System.Void Stub.Main::Main()
Main IL Instruction Count	88
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::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::PasteUrl call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::PasteUrl leave.s IL_008A: 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_008A: call System.Boolean Stub.Helper::CreateMutex() call System.Boolean Stub.Helper::CreateMutex() brtrue.s IL_0097: ldsfld System.String Settings::PasteUrl ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) ldsfld System.String Settings::PasteUrl call System.String Stub.Main::DownloadStr(System.String) stloc.0 <null> ldloc.0 <null> ldc.i4.1 <null> newarr System.Char stloc.s V_4 ldloc.s V_4 ldc.i4.0 <null> ldc.i4.s 58 stelem.i2 <null> ldloc.s V_4 callvirt System.String[] System.String::Split(System.Char[]) ldc.i4.0 <null> ldelem.ref <null> stsfld System.String Settings::Host ldloc.0 <null> ldc.i4.1 <null> newarr System.Char stloc.s V_4 ldloc.s V_4 ldc.i4.0 <null> ldc.i4.s 58 stelem.i2 <null> ldloc.s V_4 callvirt System.String[] System.String::Split(System.Char[]) ldc.i4.1 <null> ldelem.ref <null> stsfld System.String Settings::Port 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	VCHkHFok8vj9Z1PW
Pastebin	https://pastebin.com/raw/Rq7yMK0W

dc66527454c664199c0959dc7ca576dc (36.86 KB)