QuasarRat PE Executable malware analysis – 051617a4cde3

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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

1 malicious · 3 files

EXE051617a4cde3c5a7d191c597eea6f8cbQuasarRat

Structure

BINResources

Config. Field	Value
Conf. AES-Salt	BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key	DB151Dhuhuhuhuhuhuhuhuhuhuhu
Version	1huhuhuhu
Port	4huhuhuhu
Host	workinhuhuhuhuhuhuhuhuhuhuhu
ReconnectDelay	3huhuhuhu
SubDirectory	Suhuhuhuhu
InstallName	Clihuhuhuhu
Install	0huhuhuhu
Startup	0huhuhuhu
Mutex	483d16huhuhuhuhuhuhuhuhuhuhu
StartupKey	Quasahuhuhuhuhuhuhu
HideFile	0huhuhuhu
EnableLogger	1huhuhuhu
Tag	Yeahuhuhuhu
LogDirectory	Lhuhuhuhu
ServerSignature	WR0gPihuhuhuhuhuhuhuhuhuhuhu
ServerCertificate	MIIE9Dhuhuhuhuhuhuhuhuhuhuhu
HideLogDirectory	0huhuhuhu
HideLogSubdirectory	0huhuhuhu
UnattendedMod	0huhuhuhu

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 ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::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 ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::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 ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::㊶⥑醅癑䔞깖撙�㷚Ͽ꣺懕⋩핺䈋�(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 ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::귊⾊儭鸱괹躴㟳㊁䂲跾嗸孋豾ọ쀂㙤羮猰虒(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 艓媤茙戻ᮜ㥬ᨛ룖灲凃釕ന퓢럀뜥䁤䰶뫼赪ݯ::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name	Client
Full Name	Client
EntryPoint	System.Void ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::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 ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::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 ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::㊶⥑醅癑䔞깖撙�㷚Ͽ꣺懕⋩핺䈋�(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 ㏐臙귄⿎蜚ᡠ紤쟲鴼㍼齦龂䗓臂풶놬ࢹ엡逤马::귊⾊儭鸱괹躴㟳㊁䂲跾嗸孋豾ọ쀂㙤羮猰虒(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 艓媤茙戻ᮜ㥬ᨛ룖灲凃釕ന퓢럀뜥䁤䰶뫼赪ݯ::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>

CnC CNCmalicious

workinhuhuhuhuhuhuhuhuhuhuhu

Port PORTmalicious

4huhuhuhu

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