Malicious
Malicious

cfed656aa9c8bc757bfc96c5d68d2e5b

PE Executable
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MD5: cfed656aa9c8bc757bfc96c5d68d2e5b
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Size: 33.28 KB
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application/x-dosexec

Print
Infection Chain
Summary by MalvaGPT
Characteristics

Symbol Obfuscation Score

Low

Hash
 Hash Value
MD5
cfed656aa9c8bc757bfc96c5d68d2e5b
Sha1
d167aba9a7c62b39b28efc6518b8d477ae61074d
Sha256
39fda31dc483ebbf92c2ff35d3da9fbf078abba5b4506d8d3ba33e6bb1c4de39
Sha384
4ff5fb96c6dd305ed27452aa245b915200a091a64e79fb86b3861a427b5138a24ae9ae60f4642a725ba1ae9c680381bc
Sha512
914d922fc6a2c0ac600642f95a62fd28c4111b57d652ad56b9f63a83b8cf9af698818b48fce5465f97c34287a55192bb3f5e98956c002ed7637f54bceb214d42
SSDeep
768:CxC3fOJ5yivGFbO752aDFo9jEdOjhKxbN:6CPOei+bO752uFo9jIOjIxh
TLSH
24E23C4877E04312C5FEAFF02DF3B10A1675E11B9823EF5E0CD88A962B679C146907E6

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
cfed656aa9c8bc757bfc96c5d68d2e5b
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

cNsKKPPe6h6y46Lo
Hosts

edu.us.org
Port

6000
KEY

<666666>
USBNM

<XWormmm>
family

xworm
Informations
Name
 Value
Info

PE Detect: PeReader OK (file layout)
Module Name

oplka.exe
Full Name

oplka.exe
EntryPoint

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

oplka.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

oplka
Assembly Version

1.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

<null>
Total Strings

157
Main Method

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

58
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 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.Helper::PreventSleep() ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) call System.Void Stub.Helper::PreventSleep() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__1() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.0 <null> ldnull <null> ldftn System.Void Stub.Main::_Lambda$__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

oplka.exe
Full Name

oplka.exe
EntryPoint

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

oplka.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

oplka
Assembly Version

1.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

<null>
Total Strings

157
Main Method

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

58
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 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.Helper::PreventSleep() ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) call System.Void Stub.Helper::PreventSleep() ldnull <null> ldftn System.Void Stub.Main::_Lambda$__1() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stloc.0 <null> ldnull <null> ldftn System.Void Stub.Main::_Lambda$__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>
Artefacts
Name
 Value
Mutex

cNsKKPPe6h6y46Lo
CnC

edu.us.org
Port

6000
cfed656aa9c8bc757bfc96c5d68d2e5b (33.28 KB)
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