MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c
SHA3-384 hash: 8a37ec80ebf7706836def32b162d03f0c3af1791cb168caae92cdbd43ff9255c7129b3c3d87f5eead282b344d0363878
SHA1 hash: 9fae7eaaf264b280d8d48057d8788cbba76bc4c3
MD5 hash: c7910e75169d715e239ec9ddfc7d1508
humanhash: jupiter-robert-apart-winner
File name:SBgR9mj8.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2020-09-24 06:02:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:l19pkitgZf5W9cTYXyc/yK5M4azfzQnssIkSrAF+rMRTyN/0L+EcoinblneHQM32:dijjTYic/yKqcssIvrM+rMRa8NuB9t
TLSH D1032A4D7FE18568C5FD097B05B2D41207BAE04F6E23D90E8EE5649A3B636C18F50AF2
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65160/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Bladabindi-7994427-0
Create hunting rule

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
DNS request
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:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/473998
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-24 06:04:05 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckjoljcue3kasco4qgm5ux6ggrvexctffox7nowo5htexmst6fwa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200924-sdtca6sats/
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.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c

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
Create hunting rule
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 1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c

(this sample)

  
Link
https://www.virustotal.com/gui/file/1292e5a45426d40909dc8199da5fc6346a4b8a652baff6bacee9e64bb253f16c/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65160/

Comments