Malicious
Malicious

4b9a23b97f5575c95fff0ea7e55d60be

PE Executable
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MD5: 4b9a23b97f5575c95fff0ea7e55d60be
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Size: 33.28 KB
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application/x-msdownload

RAT
njRat
Executable
PE (Portable Executable)
Managed .NET
PE File Layout
Win 32 Exe
x86
.Net
SOS: 0.21
XWorm
Infection Chain
Summary by MalvaGPT
Characteristics

Symbol Ofbuscation Score

Low

Hash
 Hash Value
MD5
4b9a23b97f5575c95fff0ea7e55d60be
Sha1
f66f7c2e1b1ddc84c9f5e536aa2e20fe9b3af846
Sha256
18b9a33bc5fc6d4bc4a6ede40c33dadc700a16cc3007c54349cc999519df09d0
Sha384
d6fa931feb6d07b1bf5027c0b70e9bfaa788c12c72baee91d43d5b94b321ce8722f1aabb12e2203b65ceeb0b69bfb77f
Sha512
ea6eadde9b0685845d9fc476177619bf17b339d3ce4445784d8c5578e3898fb874f61bfe6960913ab96fccecaa5d72c77995bde96fd89af996436e0b533c77af
SSDeep
384:NEbmX5Qa+vN1h1+X3v6JFjL+g93Tm2eaFObpzRApkFTBLTsOZwpGd2v99IkuisF2:+Va+vNtg+PB93Tw42pzVFE9j8Ojh0bk
TLSH
DDE23B4877D44712DAEEAFB12DF362061670D517E823EF6E0CE485EA2B67AC047407E6

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
4b9a23b97f5575c95fff0ea7e55d60be
RAT
njRat
Executable
PE (Portable Executable)
Managed .NET
PE File Layout
Win 32 Exe
x86
.Net
SOS: 0.21
XWorm
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
Informations
Name
 Value
Info

PE Detect: PeReader OK (file layout)
Module Name

XClient.exe
Full Name

XClient.exe
EntryPoint

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

XClient.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

XClient
Assembly Version

1.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

<null>
Total Strings

156
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::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 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

XClient.exe
Full Name

XClient.exe
EntryPoint

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

XClient.exe
Scope Type

ModuleDef
Kind

Windows
Runtime Version

v4.0.30319
Tables Header Version

512
WinMD Version

<null>
Assembly Name

XClient
Assembly Version

1.0.0.0
Assembly Culture

<null>
Has PublicKey

False
PublicKey Token

<null>
Target Framework

<null>
Total Strings

156
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::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 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>
4b9a23b97f5575c95fff0ea7e55d60be (33.28 KB)
File Structure
4b9a23b97f5575c95fff0ea7e55d60be
RAT
njRat
Executable
PE (Portable Executable)
Managed .NET
PE File Layout
Win 32 Exe
x86
.Net
SOS: 0.21
XWorm
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
Characteristics
No malware configuration were found at this point.
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