Deep Malware Analysis of 08637a5f2fb2789dd0f9e3f186001bed | md5: 08637a5f2fb2789dd0f9e3f186001bed | Executable | PE (Portable Executable) | Managed .NET | PE File Layout | Win 32 Exe | x86 | .Net | SOS: 0.26 | RAT | njRat

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Symbol Obfuscation Score Low

MD5	08637a5f2fb2789dd0f9e3f186001bed
Sha1	db71dc60a407bce99680fe4228bca26d90695dfb
Sha256	6b39054cd0facc18c46cf4ad3bdab92072a34933fab5cf67adefeb787e78b11c
Sha384	ad460b55e99ed948099d93841a9121fa8cd6845e9af622e889a7323665f8fc9aea345154fc117bab0b09a8dd40ce52f9
Sha512	94a78ba4fcf97ca77f18929a5f62e4a5d8209db50f000342499460a66e3e5ba63892a7522814a9aaa92cc77c402648b71c1ff89beecb25a3d38cf7ed31b93567
SSDeep	384:lHZyGssV6LkcyG29EfOmwVE3pOhC0pf/pqzkIij+ZsNO3PlpJKkkjh/TzF7pWn90:l5xtsYZGEEfiWpuLf/uuXQ/oYC+L
TLSH	CC13E74CB694E175D5FF8BF0B4A1B2890B70A01BA906930F99F114D98FB3EC09611EE7

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

STICH beta Structural Threat Infection Chain Hash

A content-independent fingerprint of the infection method: successive formats, internal objects and MITRE techniques from the initial file to each final payload.

STICH Path = the fingerprint (canonical chain with techniques) STICH Shape = structure only Only determinant branches produce STICH Paths.

Path pe:exe>pe:rsrc>bin

Shape pe:exe>pe:rsrc>bin

malicious 3 nodes

Path pe:exe>bin

Shape pe:exe>bin

malicious 2 nodes

Config. Field	Value
packet_size [b]	5huhuhuhu
BD [BD]	Fhuhuhuhu
directory [DR]	Thuhuhuhu
executable_name [EXE]	Dllhuhuhuhu
cnc_host [H]	xuiandhuhuhuhuhuhuhuhuhuhuhu
icn	#huhuhuhu
is_dir_defined [Idr]	Fhuhuhuhu
is_startup_folder [IsF]	Fhuhuhuhu
RegistrySt	Fhuhuhuhu
xDlol1	Javhuhuhuhu
Sleep	Fhuhuhuhu
Sleep1	1huhuhuhu
reg_key [RG]	Windhuhuhuhuhuhuhu
task [Task]	Fhuhuhuhu
reg_path [sf]	Softwahuhuhuhuhuhuhuhuhuhuhu
Hide	Fhuhuhuhu
HP	Thuhuhuhu
SPR	fhuhuhuhu
victim_name [VN]	Hahuhuhuhu
version [VR]	Njrat huhuhuhuhuhuhuhuhuhuhu
splitter [Y]	\|Hhuhuhuhu

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	Stub.exe
Full Name	Stub.exe
EntryPoint	System.Void Stub.OK.j.A::main()
Scope Name	Stub.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Stub
Assembly Version	1.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.0,Profile=Client
Total Strings	436
Main Method	System.Void Stub.OK.j.A::main()
Main IL Instruction Count	20
Main IL	ldc.i4.1 <null> stsfld System.Boolean Stub.OK.j.A::runx ldnull <null> ldftn System.Void Stub.OK.j.A::timx_run() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stsfld System.Threading.Thread Stub.OK.j.A::thx ldsfld System.Threading.Thread Stub.OK.j.A::thx callvirt System.Void System.Threading.Thread::Start() ldc.i4.1 <null> stsfld System.Boolean Stub.OK.j.A::runy ldnull <null> ldftn System.Void Stub.OK.j.A::timy_run() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stsfld System.Threading.Thread Stub.OK.j.A::thy ldsfld System.Threading.Thread Stub.OK.j.A::thy callvirt System.Void System.Threading.Thread::Start() call System.Void Stub.OK.j.OK::ko() ret <null>
Module Name	Stub.exe
Full Name	Stub.exe
EntryPoint	System.Void Stub.OK.j.A::main()
Scope Name	Stub.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v4.0.30319
Tables Header Version	512
WinMD Version	<null>
Assembly Name	Stub
Assembly Version	1.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	.NETFramework,Version=v4.0,Profile=Client
Total Strings	436
Main Method	System.Void Stub.OK.j.A::main()
Main IL Instruction Count	20
Main IL	ldc.i4.1 <null> stsfld System.Boolean Stub.OK.j.A::runx ldnull <null> ldftn System.Void Stub.OK.j.A::timx_run() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stsfld System.Threading.Thread Stub.OK.j.A::thx ldsfld System.Threading.Thread Stub.OK.j.A::thx callvirt System.Void System.Threading.Thread::Start() ldc.i4.1 <null> stsfld System.Boolean Stub.OK.j.A::runy ldnull <null> ldftn System.Void Stub.OK.j.A::timy_run() newobj System.Void System.Threading.ThreadStart::.ctor(System.Object,System.IntPtr) newobj System.Void System.Threading.Thread::.ctor(System.Threading.ThreadStart) stsfld System.Threading.Thread Stub.OK.j.A::thy ldsfld System.Threading.Thread Stub.OK.j.A::thy callvirt System.Void System.Threading.Thread::Start() call System.Void Stub.OK.j.OK::ko() ret <null>

CnC CNCmalicious

xuiandhuhuhuhuhuhuhuhuhuhuhu

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