Deep Malware Analysis of c53c95703e81170d5da96e477e28e4c5 | md5: c53c95703e81170d5da96e477e28e4c5 | RAT | njRat | DcRat | DarkCrystal RAT | Executable | PE (Portable Executable) | Managed .NET | PE File Layout | Win 32 Exe | x86 | .Net | SOS: 0.25

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Symbol Obfuscation Score Low

MD5	c53c95703e81170d5da96e477e28e4c5
Sha1	176da8e7f44c0b372a417f7c4ec4b871f1a3b0af
Sha256	aa5c7d69d06c6fe831464fe03e9ad4e58fb0e49f0c70b1b56741db2fd758154e
Sha384	4cbea6335eccc5e92362700852e34709540ed9a0292d1e273373d7346200a67e56d4d4cf07aca0e5965a0dacffea2a37
Sha512	05cb3be965cdb7e42209167d31e8fb987af0135f3a71afb6946c7cd9a484852664204007b66161d66bf3c2431debbf1254e08ecc1214be95b3557fc4637cc5ab
SSDeep	1536:V5CdjvpYcRVSQxx77bkyyiNhGbbiwmI7GdUVclN:V5CdjvpYcRVJx77bky/vGbbilIKGY
TLSH	9C536B002788C965E1AD4AF8BCF2950146B1D5372106DB5E7CC814DFABAEFC64A137EE

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
Key (AES_256)	elJkbUhuhuhuhuhuhuhuhuhuhuhu
Pastebin	-huhuhuhu
Certificate	MIICMDhuhuhuhuhuhuhuhuhuhuhu
ServerSignature	H1jt05huhuhuhuhuhuhuhuhuhuhu
Install	thuhuhuhu
BDOS	thuhuhuhu
Anti-VM	fhuhuhuhu
Install File	tmp7huhuhuhu
Install-Folder	%Thuhuhuhu
Hosts	157.huhuhuhuhuhuhu
Ports	8huhuhuhu
Mutex	DcRtMhuhuhuhuhuhuhu
Version	1huhuhuhu
Delay	1huhuhuhu
Group	uhuhuhuhu

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

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Name	Value
Info	PE Detect: PeReader OK (file layout)
Module Name	2.exe
Full Name	2.exe
EntryPoint	System.Void Client.Program::Main()
Scope Name	2.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	2
Assembly Version	1.0.7.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.0
Total Strings	157
Main Method	System.Void Client.Program::Main()
Main IL Instruction Count	77
Main IL	ldc.i4.0 <null> stloc.0 <null> br IL_0015: ldloc.0 ldc.i4 1000 call System.Void System.Threading.Thread::Sleep(System.Int32) ldloc.0 <null> ldc.i4.1 <null> add <null> stloc.0 <null> ldloc.0 <null> ldsfld System.String Client.Settings::De_lay call System.Int32 System.Convert::ToInt32(System.String) blt.s IL_0007: ldc.i4 1000 call System.Boolean Client.Settings::InitializeSettings() brtrue IL_0032: nop ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) nop <null> ldsfld System.String Client.Settings::An_ti call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_0047: leave IL_0052 call System.Void Client.Helper.Anti_Analysis::RunAntiAnalysis() leave IL_0052: call System.Void Client.Helper.A::B() pop <null> leave IL_0052: call System.Void Client.Helper.A::B() call System.Void Client.Helper.A::B() call System.Boolean Client.Helper.MutexControl::CreateMutex() brtrue IL_0067: leave IL_0072 ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) leave IL_0072: nop pop <null> leave IL_0072: nop nop <null> ldsfld System.String Client.Settings::Anti_Process call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_0087: leave IL_0092 call System.Void Client.Helper.AntiProcess::StartBlock() leave IL_0092: nop pop <null> leave IL_0092: nop nop <null> ldsfld System.String Client.Settings::BS_OD call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_00B1: leave IL_00BC call System.Boolean Client.Helper.Methods::IsAdmin() brfalse IL_00B1: leave IL_00BC call System.Void Client.Helper.ProcessCritical::Set() leave IL_00BC: nop pop <null> leave IL_00BC: nop nop <null> ldsfld System.String Client.Settings::In_stall call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_00D1: leave IL_00DC call System.Void Client.Install.NormalStartup::Install() leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep() pop <null> leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep() call System.Void Client.Helper.Methods::PreventSleep() call System.Boolean Client.Helper.Methods::IsAdmin() brfalse IL_00F0: leave IL_00FB call System.Void Client.Helper.Methods::ClearSetting() leave IL_00FB: nop pop <null> leave IL_00FB: nop nop <null> call System.Boolean Client.Connection.ClientSocket::get_IsConnected() brtrue IL_0110: leave IL_011B call System.Void Client.Connection.ClientSocket::Reconnect() call System.Void Client.Connection.ClientSocket::InitializeClient() leave IL_011B: ldc.i4 5000 pop <null> leave IL_011B: ldc.i4 5000 ldc.i4 5000 call System.Void System.Threading.Thread::Sleep(System.Int32) br.s IL_00FB: nop
Module Name	2.exe
Full Name	2.exe
EntryPoint	System.Void Client.Program::Main()
Scope Name	2.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	2
Assembly Version	1.0.7.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.0
Total Strings	157
Main Method	System.Void Client.Program::Main()
Main IL Instruction Count	77
Main IL	ldc.i4.0 <null> stloc.0 <null> br IL_0015: ldloc.0 ldc.i4 1000 call System.Void System.Threading.Thread::Sleep(System.Int32) ldloc.0 <null> ldc.i4.1 <null> add <null> stloc.0 <null> ldloc.0 <null> ldsfld System.String Client.Settings::De_lay call System.Int32 System.Convert::ToInt32(System.String) blt.s IL_0007: ldc.i4 1000 call System.Boolean Client.Settings::InitializeSettings() brtrue IL_0032: nop ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) nop <null> ldsfld System.String Client.Settings::An_ti call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_0047: leave IL_0052 call System.Void Client.Helper.Anti_Analysis::RunAntiAnalysis() leave IL_0052: call System.Void Client.Helper.A::B() pop <null> leave IL_0052: call System.Void Client.Helper.A::B() call System.Void Client.Helper.A::B() call System.Boolean Client.Helper.MutexControl::CreateMutex() brtrue IL_0067: leave IL_0072 ldc.i4.0 <null> call System.Void System.Environment::Exit(System.Int32) leave IL_0072: nop pop <null> leave IL_0072: nop nop <null> ldsfld System.String Client.Settings::Anti_Process call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_0087: leave IL_0092 call System.Void Client.Helper.AntiProcess::StartBlock() leave IL_0092: nop pop <null> leave IL_0092: nop nop <null> ldsfld System.String Client.Settings::BS_OD call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_00B1: leave IL_00BC call System.Boolean Client.Helper.Methods::IsAdmin() brfalse IL_00B1: leave IL_00BC call System.Void Client.Helper.ProcessCritical::Set() leave IL_00BC: nop pop <null> leave IL_00BC: nop nop <null> ldsfld System.String Client.Settings::In_stall call System.Boolean System.Convert::ToBoolean(System.String) brfalse IL_00D1: leave IL_00DC call System.Void Client.Install.NormalStartup::Install() leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep() pop <null> leave IL_00DC: call System.Void Client.Helper.Methods::PreventSleep() call System.Void Client.Helper.Methods::PreventSleep() call System.Boolean Client.Helper.Methods::IsAdmin() brfalse IL_00F0: leave IL_00FB call System.Void Client.Helper.Methods::ClearSetting() leave IL_00FB: nop pop <null> leave IL_00FB: nop nop <null> call System.Boolean Client.Connection.ClientSocket::get_IsConnected() brtrue IL_0110: leave IL_011B call System.Void Client.Connection.ClientSocket::Reconnect() call System.Void Client.Connection.ClientSocket::InitializeClient() leave IL_011B: ldc.i4 5000 pop <null> leave IL_011B: ldc.i4 5000 ldc.i4 5000 call System.Void System.Threading.Thread::Sleep(System.Int32) br.s IL_00FB: nop

Key (AES_256) MUTEXmalicious

elJkbUhuhuhuhuhuhuhuhuhuhuhu

CnC CNCmalicious

157.huhuhuhuhuhuhu

Ports PORTmalicious

8huhuhuhu

Mutex MUTEXmalicious

DcRtMhuhuhuhuhuhuhu

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