MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 898ab33196c09c002ad6806ff25b8713522c433f8f36f19d4479eef779e3e451. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



njrat


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 898ab33196c09c002ad6806ff25b8713522c433f8f36f19d4479eef779e3e451
SHA3-384 hash: 22b4b8acb37cbb2056d0b669e070d9ac295326f7d690cd31962e770b005a2415ca9db2f6356748232fc8eb6ea6f94fb3
SHA1 hash: 9d7d13016a9b9dda2b9e98beb222dd7d2013ebaf
MD5 hash: e21e1316a51bb240491bea262c7c0231
humanhash: football-cup-sweet-asparagus
File name:KG8qPSSH.exe
Download: download sample
Signature njrat
File size:37'888 bytes
First seen:2020-09-23 09:32:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:LMqCT0i9rdTe/kCOyU77knZcDfm2grAF+rMRTyN/0L+EcoinblneHQM3epzXfNr9:YfJ1CFU77k67mnrM+rMRa8NulVt
Threatray 54 similar samples on MalwareBazaar
TLSH 37033A4D7BE18168C4FD167706B2D4120BBBE14B6E23D90E8EF6649A37736C18B50AF1
Reporter pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a window
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-09-23 09:34:06 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Adds Run key to start application
Drops startup file
Drops startup file
Modifies Windows Firewall
Modifies Windows Firewall
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:win_njrat_w1
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe 898ab33196c09c002ad6806ff25b8713522c433f8f36f19d4479eef779e3e451

(this sample)

Comments