MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64d7d58724fe40787f7fdcb2496f96206c538fb80c14fc8827f4e5af9a5c99c8. 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: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64d7d58724fe40787f7fdcb2496f96206c538fb80c14fc8827f4e5af9a5c99c8
SHA3-384 hash: bc554a6295dc7180a416b07ea1d0cdbd64365cb0912f5e74514dfa3e4a99c2820bf6e22acc054785e0a9e32b9d67cce9
SHA1 hash: d4ce3acc8b40a6880e5c57c9ec5844643413e312
MD5 hash: a7c7bb532823a6e7d4ace596f146c618
humanhash: alaska-zebra-indigo-autumn
File name:a7c7bb532823a6e7d4ace596f146c618.exe
Download: download sample
Signature njrat
Create hunting rule
File size:115'712 bytes
First seen:2021-09-08 16:36:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:kvXRncGIJ1+RoWwT829iqn/GzbaaoUwZEDFxtwEoqfZVZYCyiyO53rgq6i/1lmL2:kvhctJQRe8SnIfLD3twQbaNleIbYSk
Threatray 3 similar samples on MalwareBazaar
TLSH T1EAB39F709197B592F10AC1F067E8BFA3037239F3EACB1A35522A57378BEDA413A4454D
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
141.255.147.133:19844

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
141.255.147.133:19844 https://threatfox.abuse.ch/ioc/218178/

Intelligence

File Origin
# of uploads :
1
# of downloads :
575
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a7c7bb532823a6e7d4ace596f146c618.exe
Verdict:
Malicious activity
Analysis date:
2021-09-08 16:38:59 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/b8ba1ea4-3661-4b4d-9d3a-534a62d533ac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/186429/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Sending a UDP request
Forced shutdown of a system process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c3fd719-2cb8-424c-8642-bce711e990f1
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/847596
Signature
.NET source code contains potential unpacker
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64d7d58724fe40787f7fdcb2496f96206c538fb80c14fc8827f4e5af9a5c99c8/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-09-06 01:04:23 UTC
AV detection:
10 of 27 (37.04%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mtl5lbze7zahq7373szes34webwfhd5ybqkpzcbh6ts27gs4thea._file
Verdict:
malicious
Similar samples:
4b1676dbdda51e957e9c1baf026b7605069cc64553ca2e0a9055cc7751be75db
njrat
610d7f22e0a413469df6732f2fe4431df45e72268df9d1632a2681c26971ef0b
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:run runpe suricata trojan
Link:
https://tria.ge/reports/210908-t4s42aaack/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
43a29a32317d6ceb63db0d78314c1588acdf960ad6da22f81d044650458f688c
MD5 hash:
481c508a9020562b7ef8b1cce4475c21
SHA1 hash:
cd17949bd9c516f9b3051776b50b79d489837d20
Link:
https://www.unpac.me/results/1fbbca01-0d82-4348-a405-34eba2f7d684/
SH256 hash:
1bfde6a956887eed27c3d972ac108b87a08f25bc7da8363920c2aa0a63fdac73
MD5 hash:
f5bb4a99054e89af5ef48a432d6f3a62
SHA1 hash:
aa46497a425800a04882b175ba336acd34924b38
Link:
https://www.unpac.me/results/1fbbca01-0d82-4348-a405-34eba2f7d684/
SH256 hash:
64d7d58724fe40787f7fdcb2496f96206c538fb80c14fc8827f4e5af9a5c99c8
MD5 hash:
a7c7bb532823a6e7d4ace596f146c618
SHA1 hash:
d4ce3acc8b40a6880e5c57c9ec5844643413e312
Link:
https://www.unpac.me/results/1fbbca01-0d82-4348-a405-34eba2f7d684/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/64d7d58724fe/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/64d7d58724fe40787f7fdcb2496f96206c538fb80c14fc8827f4e5af9a5c99c8

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/186429/

Comments