QuasarRat PE Executable malware analysis – c10f8f383f6d

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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

Low

1 malicious · 5 files

EXEc10f8f383f6dc04c7f339a487d327471QuasarRat

Structure

BINResources

BIN.Net Resources

Config. Field	Value
Conf. AES-Salt	BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key	DAE9E0huhuhuhuhuhuhuhuhuhuhu
Version	1huhuhuhu
Port	4Mekehuhuhuhuhuhuhu
Host	4Mekehuhuhuhuhuhuhu
ReconnectDelay	3huhuhuhu
SubDirectory	Syhuhuhuhu
InstallName	Windohuhuhuhuhuhuhu
Install	0huhuhuhu
Startup	0huhuhuhu
Mutex	ff5352huhuhuhuhuhuhuhuhuhuhu
StartupKey	Microhuhuhuhuhuhuhu
HideFile	1huhuhuhu
EnableLogger	1huhuhuhu
Tag	01huhuhuhu
LogDirectory	Lhuhuhuhu
ServerSignature	EJCtUGhuhuhuhuhuhuhuhuhuhuhu
ServerCertificate	MIIE9Dhuhuhuhuhuhuhuhuhuhuhu
HideLogDirectory	1huhuhuhu
HideLogSubdirectory	1huhuhuhu
UnattendedMod	1huhuhuhu

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

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Name	Value
Module Name	Client
Full Name	Client
EntryPoint	System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::Main(System.String[])
Scope Name	Client
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Client
Assembly Version	1.4.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.5.2
Total Strings	1552
Main Method	System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::Main(System.String[])
Main IL Instruction Count	19
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) ldnull <null> ldftn System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::鱢깤䲔늎癷⸘㫔ඤ즿愭䍽঍㯭Ẳ퇿讈邃깪(System.Object,System.Threading.ThreadExceptionEventArgs) newobj System.Void System.Threading.ThreadExceptionEventHandler::.ctor(System.Object,System.IntPtr) call System.Void System.Windows.Forms.Application::add_ThreadException(System.Threading.ThreadExceptionEventHandler) call System.AppDomain System.AppDomain::get_CurrentDomain() ldnull <null> ldftn System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::ꌌꈆ᭤⛆蒷㪛侗䤍잣ﻵ죅뻻烸䆉췤♩棳(System.Object,System.UnhandledExceptionEventArgs) newobj System.Void System.UnhandledExceptionEventHandler::.ctor(System.Object,System.IntPtr) callvirt System.Void System.AppDomain::add_UnhandledException(System.UnhandledExceptionEventHandler) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) newobj System.Void ⫱�ᅐ⿍줂꺙Ꭳ뢨릯ế輖�㼹宛䅇::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name	Client
Full Name	Client
EntryPoint	System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::Main(System.String[])
Scope Name	Client
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Client
Assembly Version	1.4.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.5.2
Total Strings	1552
Main Method	System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::Main(System.String[])
Main IL Instruction Count	19
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) ldnull <null> ldftn System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::鱢깤䲔늎癷⸘㫔ඤ즿愭䍽঍㯭Ẳ퇿讈邃깪(System.Object,System.Threading.ThreadExceptionEventArgs) newobj System.Void System.Threading.ThreadExceptionEventHandler::.ctor(System.Object,System.IntPtr) call System.Void System.Windows.Forms.Application::add_ThreadException(System.Threading.ThreadExceptionEventHandler) call System.AppDomain System.AppDomain::get_CurrentDomain() ldnull <null> ldftn System.Void 피籔ⳤﺾ뮯ᥒ䐰ܹ诸܄ﴷ竌쭔푼陈녂䓡篪::ꌌꈆ᭤⛆蒷㪛侗䤍잣ﻵ죅뻻烸䆉췤♩棳(System.Object,System.UnhandledExceptionEventArgs) newobj System.Void System.UnhandledExceptionEventHandler::.ctor(System.Object,System.IntPtr) callvirt System.Void System.AppDomain::add_UnhandledException(System.UnhandledExceptionEventHandler) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) newobj System.Void ⫱�ᅐ⿍줂꺙Ꭳ뢨릯ế輖�㼹宛䅇::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>

CnC CNCmalicious

4Mekehuhuhuhuhuhuhu

Port PORTmalicious

4Mekehuhuhuhuhuhuhu

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