MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63383f36546aedefcedaef474544f462af7680d2854d510684c5923b449bfd65. 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: 63383f36546aedefcedaef474544f462af7680d2854d510684c5923b449bfd65
SHA3-384 hash: c1153abd65dc94af5a143cc820564959f5522fc9a1411236800040937a9fb4dbf17654263d3e4795a969f0ad56a11df3
SHA1 hash: 75ed30029a554534f1f40e9c4d805a8a4ddbf73a
MD5 hash: c0fcb9c5e0e6451acda73e8adab4e40f
humanhash: jupiter-comet-berlin-pip
File name:dbTVVhei.exe
Download: download sample
Signature njrat
File size:37'888 bytes
First seen:2020-09-23 00:02:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:6MqCT0i9rdTe/kCOyU77knZcDfm2grAF+rMRTyN/0L+EcoinblneHQM3epzXfNrQ:FfJ1CFU77k67mnrM+rMRa8Nulut
Threatray 53 similar samples on MalwareBazaar
TLSH 2D032A4D7BE18168C4FD167705B2D4120BBBE14B6E23D90E8EF6649A37736C18B50AF1
Reporter pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 00:04:15 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 63383f36546aedefcedaef474544f462af7680d2854d510684c5923b449bfd65

(this sample)

Comments