Deep Malware Analysis of a3b170e1a9e66a6a3bc0ddb4c145cba5 | md5: a3b170e1a9e66a6a3bc0ddb4c145cba5 | Contains Base64 Block | Base64 Block | Base64 Payload | Html | RAT | Malicious | QuasarRat | Executable | PE (Portable Executable) | Managed .NET | PE File Layout | Win 32 Exe | x86 | PDB Path | .Net | SOS: 0.63 | Fody/Costura Packer | SOS: 0.26 | SOS: 0.20 | SOS: 0.22 | SOS: 0.23 | SOS: 0.34 | SOS: 0.29 | SOS: 0.35 | SOS: 0.25 | SOS: 0.14 | SOS: 0.32 | SOS: 0.27 | SOS: 0.18 | SOS: 0.15 | SOS: 0.24 | SOS: 0.19

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Symbol Obfuscation Score Medium

MD5	a3b170e1a9e66a6a3bc0ddb4c145cba5
Sha1	7358de0962f406fa775475bf42c3695fe5800f9b
Sha256	f5f0e52163104f81b6897b23284e625d9ddcab36751c1552b64a73004f824cf2
Sha384	0e4ca7ace418c2cb385ce79d6411294e1755b05c66c6df97b83a772bad844b3d2a0b4c21f7f9b9264de2a5ee5e79b2f7
Sha512	1473e8aa4133b2f0427aec7911591b6e16467286e3d7563e5dcbc5b8c007de207ca0b4613014832e4da8324b9512fd89cb56b0fb8d7e748b4c5a3f8127315919
SSDeep	49152:fPu6NL4xi8/N+ZZXZQOLHM7wRPirm2NnPTKKm77LrwCB6uanU:nu6tSi8VIxpL7oZNn2Km77LrwkFWU
TLSH	4DC5F01077F9810AF3BF5BB9ABB6144D0B77B903EA7AD39E244840990FA33509E51763

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

Config. Field	Value
Conf. AES-Salt	BF-EB-huhuhuhuhuhuhuhuhuhuhu
Conf. AES-Key
Version	Objehuhuhuhu
Port	Chainhuhuhuhuhuhuhu
Host	Chainhuhuhuhuhuhuhu
ReconnectDelay	Authhuhuhuhuhuhuhu
Key	Chaihuhuhuhu
SubDirectory	Keyhuhuhuhu
InstallName	Ahuhuhuhu
Install	Microshuhuhuhuhuhuhuhuhuhuhu
Startup	1huhuhuhu
Mutex	1huhuhuhu
StartupKey	-10huhuhuhu
HideFile	Objehuhuhuhu
EnableLogger	Chainhuhuhuhuhuhuhu
EncryptionKey	Authhuhuhuhuhuhuhu

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

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Name	Value
Info	PE Detect: PeReader OK (file layout)
Info	PDB Path: ?
Module Name	Client.exe
Full Name	Client.exe
EntryPoint	System.Void eaujebyrcsptysfiwmm.YhniEbRjIERWwMY3TJ::Main()
Scope Name	Client.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Client
Assembly Version	1.6.6.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.7.2
Total Strings	2147
Main Method	System.Void eaujebyrcsptysfiwmm.YhniEbRjIERWwMY3TJ::Main()
Main IL Instruction Count	11
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) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) call System.Void eaujebyrcsptysfiwmm.YhniEbRjIERWwMY3TJ::umZYDStoud3hoeCkS6lvaBYI() newobj System.Void eaujebyrcsptysfiwmm.pITtYg7WxOGBpJqoS4wHcrUR::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>
Module Name	Client.exe
Full Name	Client.exe
EntryPoint	System.Void eaujebyrcsptysfiwmm.YhniEbRjIERWwMY3TJ::Main()
Scope Name	Client.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Client
Assembly Version	1.6.6.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.7.2
Total Strings	2147
Main Method	System.Void eaujebyrcsptysfiwmm.YhniEbRjIERWwMY3TJ::Main()
Main IL Instruction Count	11
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) call System.Void System.Windows.Forms.Application::EnableVisualStyles() ldc.i4.0 <null> call System.Void System.Windows.Forms.Application::SetCompatibleTextRenderingDefault(System.Boolean) call System.Void eaujebyrcsptysfiwmm.YhniEbRjIERWwMY3TJ::umZYDStoud3hoeCkS6lvaBYI() newobj System.Void eaujebyrcsptysfiwmm.pITtYg7WxOGBpJqoS4wHcrUR::.ctor() call System.Void System.Windows.Forms.Application::Run(System.Windows.Forms.Form) ret <null>

CnC CNCmalicious

Chainhuhuhuhuhuhuhu

Port PORTmalicious

Chainhuhuhuhuhuhuhu

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