MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7520d43549934d17d63e087a02883c12ef5a48c50d0b503e3c64d51ba32201a. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7520d43549934d17d63e087a02883c12ef5a48c50d0b503e3c64d51ba32201a
SHA3-384 hash: f9bc7df363c611fb54efde1f1b4f5e1e2d61597ccc81938f8dd4a45d6edf14a95e3ec3bdf8f026ee8ae9f81e5f573853
SHA1 hash: 094f7ee7677467ab264b808ad67eaf9b2bc1669f
MD5 hash: e508ad9ff4d8e815de33ab2eab7f48b9
humanhash: seventeen-princess-sierra-minnesota
File name:fFCwgrRH.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2020-09-26 08:02:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:KmrOIiuPjtD+P3V+y0b1gBUtPr2s2Mf/rAF+rMRTyN/0L+EcoinblneHQM3epzXV:PrnmV10b1gBUt6lM3rM+rMRa8NuKKt
Threatray 71 similar samples on MalwareBazaar
TLSH 12033B4D7FE18168C4FD467705B2E01207BAE04B6D23DA1E8EF1649A37636C58F50AF2
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/66052/
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
Creating a window
DNS request
Connecting to a non-recommended domain
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/475792
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
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/f7520d43549934d17d63e087a02883c12ef5a48c50d0b503e3c64d51ba32201a/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-26 08:04:07 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=65ja2q2ute2nc7ld4cd2akedyexpljemkdilka7dyzgvdorseana._file
Verdict:
malicious
Similar samples:
153e5b1b4b51f9f27c38a24577764a9873ea08467348b5a2db04f2a13c49e291
njrat
51707360e28aa57ec8a8d7f42bc7c9ffe8969b5d19bf39a700cde35c0e4d3846
njrat
898ab33196c09c002ad6806ff25b8713522c433f8f36f19d4479eef779e3e451
njrat
a084d297f26b39b4edc89b4ec2c006039240c7b6b97ad030f361047b3cb8c6b8
njrat
a54b4d3ba528301409e3f5ba27a1d3b3d8bf9ad5d6f0d43354535f98132d980b
njrat
a7f0ee005b8d98bc8b67e77aa4a10baca21caf5f9deb7891bacc50f713488dd0
njrat
b354fea791d05973e65997e9ef4b1e32359cdc86b6b5e38e745cbae43516e110
njrat
c860daab67ce2cde30c2d82085b7882178e39b17db9a889b7498d872921e4e1f
njrat
da97458433211f9901d8028600bdded7c5a01f1eecebacc488cd02eaa093b5d8
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
+ 61 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200926-7y59xwq78a/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Modifies service
Modifies Windows Firewall
Unpacked files
SH256 hash:
f7520d43549934d17d63e087a02883c12ef5a48c50d0b503e3c64d51ba32201a
MD5 hash:
e508ad9ff4d8e815de33ab2eab7f48b9
SHA1 hash:
094f7ee7677467ab264b808ad67eaf9b2bc1669f
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/82f6ff8d-3067-4f27-a099-f50b2440ba75/
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
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 f7520d43549934d17d63e087a02883c12ef5a48c50d0b503e3c64d51ba32201a

(this sample)

  
Link
https://www.virustotal.com/gui/file/f7520d43549934d17d63e087a02883c12ef5a48c50d0b503e3c64d51ba32201a/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/66052/

Comments