QuasarRat PE Executable malware analysis – 13117893a8bb

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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

EXE13117893a8bb4b9d3a45bc3af9ac0d48QuasarRat

Structure

BINResources

BIN.Net Resources

Config. Field	Value
Conf. AES-Salt	BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key	C3C529huhuhuhuhuhuhuhuhuhuhu
Version	1huhuhuhu
Port	4huhuhuhu
Host	192.huhuhuhu
ReconnectDelay	3huhuhuhu
SubDirectory	Suhuhuhuhu
InstallName	Clihuhuhuhu
Install	1huhuhuhu
Startup	1huhuhuhu
Mutex	6b9cb7huhuhuhuhuhuhuhuhuhuhu
StartupKey	Quasahuhuhuhuhuhuhu
HideFile	0huhuhuhu
EnableLogger	1huhuhuhu
Tag	Ofhuhuhuhu
LogDirectory	Lhuhuhuhu
ServerSignature	nGa+dVhuhuhuhuhuhuhuhuhuhuhu
ServerCertificate	MIIE9Dhuhuhuhuhuhuhuhuhuhuhu
HideLogDirectory	1huhuhuhu
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 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::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 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::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 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::㎤⾒㞅핏操乎誌헜隽玞䗘웂嘦耙찝甤‗(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 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::⿭�ﺱ뷀쮊䥶௨ﲖ⢍蠖꫌䀣ᖡ椸礪풦䚓繙(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 ᆐ㤂ၽ晶䘕㪊妠㞄옟뷓︄鶜앟㉐칮�됿腉::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name	Client
Full Name	Client
EntryPoint	System.Void 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::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 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::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 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::㎤⾒㞅핏操乎誌헜隽玞䗘웂嘦耙찝甤‗(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 꺀焼瓍㉼詼帰௎穹ⷹ⒀현浰屩芭줆㥻㦎꒬疇䯿::⿭�ﺱ뷀쮊䥶௨ﲖ⢍蠖꫌䀣ᖡ椸礪풦䚓繙(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 ᆐ㤂ၽ晶䘕㪊妠㞄옟뷓︄鶜앟㉐칮�됿腉::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>

CnC CNCmalicious

192.huhuhuhu

Port PORTmalicious

4huhuhuhu

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