njRat PE Executable malware analysis – 77fd461671e8

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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 · 2 files

EXE77fd461671e836a6ff77f991cfcb394anjRat

Structure

BINResources

Config. Field	Value
packet_size [b]	5huhuhuhu
BD [BD]	Thuhuhuhu
directory [DR]	AllUshuhuhuhuhuhuhu
executable_name [EXE]	systhuhuhuhu
cnc_host [HH]	194huhuhuhu
is_dir_defined [Idr]	Thuhuhuhu
is_startup_folder [IsF]	Thuhuhuhu
is_user_reg [Isu]	Thuhuhuhu
NH [NH]	0huhuhuhu
cnc_port [P]	8huhuhuhu
reg_key [RG]	93b510huhuhuhuhuhuhuhuhuhuhu
reg_path [sf]	Softwahuhuhuhuhuhuhuhuhuhuhu
sizk	2huhuhuhu
victim_name [VN]	Hahuhuhuhu
version [VR]	ihuhuhuhu
splitter [Y]	\|huhuhuhu
HD	Thuhuhuhu
anti [anti]	Exsahuhuhuhu
anti2 [anti2]	Thuhuhuhu
usb [usb]	Thuhuhuhu
usbx [usbx]	svchuhuhuhu
task [task]	Thuhuhuhu

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

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Name	Value
Module Name	w.exe
Full Name	w.exe
EntryPoint	System.Void w.A::main()
Scope Name	w.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v2.0.50727
Tables Header Version	512
WinMD Version	<null>
Assembly Name	w
Assembly Version	0.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	338
Main Method	System.Void w.A::main()
Main IL Instruction Count	5
Main IL	`nop <null> call System.Void w.OK::ko() nop <null> nop <null> ret <null>`
Module Name	w.exe
Full Name	w.exe
EntryPoint	System.Void w.A::main()
Scope Name	w.exe
Scope Type	ModuleDef
Kind	Windows
Runtime Version	v2.0.50727
Tables Header Version	512
WinMD Version	<null>
Assembly Name	w
Assembly Version	0.0.0.0
Assembly Culture	<null>
Has PublicKey	False
PublicKey Token	<null>
Target Framework	<null>
Total Strings	338
Main Method	System.Void w.A::main()
Main IL Instruction Count	5
Main IL	`nop <null> call System.Void w.OK::ko() nop <null> nop <null> ret <null>`

Port PORTmalicious

8huhuhuhu

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