QuasarRat PE Executable malware analysis – 3d59fb9dbc43

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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

EXE3d59fb9dbc431bea9595792a4f49522bQuasarRat

Structure

BINResources

BIN.Net Resources

Config. Field	Value
Conf. AES-Salt	BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key	3AC1ABhuhuhuhuhuhuhuhuhuhuhu
Version	1huhuhuhu
Port
Host	serverhuhuhuhuhuhuhuhuhuhuhu
ReconnectDelay	1huhuhuhu
SubDirectory	Suhuhuhuhu
InstallName	Serhuhuhuhu
Install	1huhuhuhu
Startup	1huhuhuhu
Mutex	d0a56dhuhuhuhuhuhuhuhuhuhuhu
StartupKey	Windhuhuhuhuhuhuhu
HideFile	1huhuhuhu
EnableLogger	1huhuhuhu
Tag	Sehuhuhuhu
LogDirectory	Lhuhuhuhu
ServerSignature	XjaNPthuhuhuhuhuhuhuhuhuhuhu
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 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::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 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::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 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::⭞䰒넷趢ťᮘ䑥雚幄튠᯳ⷸ᫪揮铘ཎ_ꨌ࣏(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 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::嵃ď쑈�嬠횚哖쳁큡澉䬯ᶜ棜�ጧ칕﩮﬛☢ኍ(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 禭⁺ፑ닇ᢌ餏︓讛꾢⾜⌦鷸䷢Ꮺ῕鵒羒貆녛::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name	Client
Full Name	Client
EntryPoint	System.Void 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::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 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::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 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::⭞䰒넷趢ťᮘ䑥雚幄튠᯳ⷸ᫪揮铘ཎ_ꨌ࣏(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 酹ꔧ䍇⊛䥃퍜쑠⼗髻�Г藬�껎똧ᭌ䮑쁭::嵃ď쑈�嬠횚哖쳁큡澉䬯ᶜ棜�ጧ칕﩮﬛☢ኍ(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 禭⁺ፑ닇ᢌ餏︓讛꾢⾜⌦鷸䷢Ꮺ῕鵒羒貆녛::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>

CnC CNCmalicious

serverhuhuhuhuhuhuhuhuhuhuhu

Port PORTmalicious

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