QuasarRat PE Executable malware analysis – 7701f851e781

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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

EXE7701f851e7817e7aeda32cd4a3e564e2QuasarRat

Structure

BINResources

BIN.Net Resources

Config. Field	Value
Conf. AES-Salt	BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key	70B007huhuhuhuhuhuhuhuhuhuhu
Version	1huhuhuhu
Port	4huhuhuhu
Host	192huhuhuhu
ReconnectDelay	3huhuhuhu
SubDirectory	Suhuhuhuhu
InstallName	Clihuhuhuhu
Install	1huhuhuhu
Startup	1huhuhuhu
Mutex	a1c8d6huhuhuhuhuhuhuhuhuhuhu
StartupKey	Quasahuhuhuhuhuhuhu
HideFile	0huhuhuhu
EnableLogger	1huhuhuhu
Tag	Ofhuhuhuhu
LogDirectory	Lhuhuhuhu
ServerSignature	ONTaBJhuhuhuhuhuhuhuhuhuhuhu
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 Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::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 Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::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 Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::部⠷绥峬习栧淉ᰧ㕉穪늉촲굌⛏褞�搿(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 Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::̡䥱ऱ⨇ꂐ䷷ﴮ➭஁䓞ᶘ�ꭷ擐㤤危䕑펡漗(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 딎蚋胹꬟쬪ࡵნ墿霁킲픗獳錽뼣텾藍•᷸鐍ጀ::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name	Client
Full Name	Client
EntryPoint	System.Void Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::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 Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::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 Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::部⠷绥峬习栧淉ᰧ㕉穪늉촲굌⛏褞�搿(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 Ꟊ攤搃̅駓쬞䆉㐬൱逿셑�듇﫽焓鉶돶휾돾䧻::̡䥱ऱ⨇ꂐ䷷ﴮ➭஁䓞ᶘ�ꭷ擐㤤危䕑펡漗(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 딎蚋胹꬟쬪ࡵნ墿霁킲픗獳錽뼣텾藍•᷸鐍ጀ::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>

CnC CNCmalicious

192huhuhuhu

Port PORTmalicious

4huhuhuhu

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