QuasarRat PE Executable malware analysis – 81137690bdc7

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File

Type

HTML file

Detection

PeID

.NET executableMicrosoft Visual C# / Basic .NETMicrosoft Visual C# / Basic.NET / MS Visual Basic 2005 - ASL Microsoft Visual C# v7.0 / Basic .NETMicrosoft Visual Studio .NET

Symbol obfuscation

Medium

1 malicious · 116 files

EXE81137690bdc74ad0b27945b36b9e41f9QuasarRat

Structure

BIN[Base64-Block @0x002756CF]

BINResources

BIN.Net Resources

Config. Field	Value
Conf. AES-Salt	BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key
Version	Objehuhuhuhu
Port	Chainhuhuhuhuhuhuhu
Host	Chainhuhuhuhuhuhuhu
ReconnectDelay	Authhuhuhuhuhuhuhu
Key	Chaihuhuhuhu
SubDirectory	Keyhuhuhuhu
InstallName	Ahuhuhuhu
Install	Microshuhuhuhuhuhuhuhuhuhuhu
Startup	1huhuhuhu
Mutex	1huhuhuhu
StartupKey	-10huhuhuhu
HideFile	Objehuhuhuhu
EnableLogger	Chainhuhuhuhuhuhuhu
EncryptionKey	Authhuhuhuhuhuhuhu

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

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Name	Value
Info	PDB Path: ?
Module Name	Client.exe
Full Name	Client.exe
EntryPoint	System.Void aeeljwaayqpxpxfnovh.PIO00srL2reuNqfbU0CSq::Main()
Scope Name	Client.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Client
Assembly Version	1.6.6.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.7.2
Total Strings	1981
Main Method	System.Void aeeljwaayqpxpxfnovh.PIO00srL2reuNqfbU0CSq::Main()
Main IL Instruction Count	11
Main IL	ldc.i4 3072 call System.Void System.Net.ServicePointManager::set_SecurityProtocol(System.Net.SecurityProtocolType) ldc.i4.2 <null> call System.Void System.Windows.Forms.Application::SetUnhandledExceptionMode(System.Windows.Forms.UnhandledExceptionMode) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) call System.Void aeeljwaayqpxpxfnovh.PIO00srL2reuNqfbU0CSq::uhLMdiuQTvh826rG3wH13c8() newobj System.Void aeeljwaayqpxpxfnovh.ZJfInulViB3B::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name	Client.exe
Full Name	Client.exe
EntryPoint	System.Void aeeljwaayqpxpxfnovh.PIO00srL2reuNqfbU0CSq::Main()
Scope Name	Client.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Client
Assembly Version	1.6.6.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.7.2
Total Strings	1981
Main Method	System.Void aeeljwaayqpxpxfnovh.PIO00srL2reuNqfbU0CSq::Main()
Main IL Instruction Count	11
Main IL	ldc.i4 3072 call System.Void System.Net.ServicePointManager::set_SecurityProtocol(System.Net.SecurityProtocolType) ldc.i4.2 <null> call System.Void System.Windows.Forms.Application::SetUnhandledExceptionMode(System.Windows.Forms.UnhandledExceptionMode) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) call System.Void aeeljwaayqpxpxfnovh.PIO00srL2reuNqfbU0CSq::uhLMdiuQTvh826rG3wH13c8() newobj System.Void aeeljwaayqpxpxfnovh.ZJfInulViB3B::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>

CnC CNCmalicious

Chainhuhuhuhuhuhuhu

Port PORTmalicious

Chainhuhuhuhuhuhuhu

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