MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4a8a2d81f379f33ae6bcffb81866663e8ae7ad07a49ad40deb9db6044ed9d75. 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: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4a8a2d81f379f33ae6bcffb81866663e8ae7ad07a49ad40deb9db6044ed9d75
SHA3-384 hash: dd320997b0dae997a759a7312a962e60bbe67ba561fb177b24c14faaa6de88960e631554d1d2b2df57f16ffd1f742a92
SHA1 hash: 26b558807d497e5273f199c1ca92aa59358cfc3c
MD5 hash: 37a7cdba912c73ef27539b61bcc5a80c
humanhash: ohio-whiskey-delta-nitrogen
File name:37a7cdba912c73ef27539b61bcc5a80c.exe
Download: download sample
Signature njrat
Create hunting rule
File size:25'876 bytes
First seen:2021-09-10 10:10:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:5vcTzlQHKr+m9ibQTwTTJ6vwkmyjVP55la5VwMZZO1au/0hro0YJCZ/WL:5vknr+5bBXgvRmyj5dEwMZcgu/r0ZZs
TLSH T12EC2D0036390D177CF750B3667E713A1E1A1C2970BC78F26E5B419A79CB628D4B932D4
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
104.168.102.173:5552

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
104.168.102.173:5552 https://threatfox.abuse.ch/ioc/219681/

Intelligence

File Origin
# of uploads :
1
# of downloads :
496
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
37a7cdba912c73ef27539b61bcc5a80c.exe
Verdict:
Malicious activity
Analysis date:
2021-09-10 10:12:33 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/229a57ab-e87a-4784-8d35-df416cfd8865

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/186849/
Detection(s):
Win.Packed.njRAT-7474445-0
Create hunting rule

Win.Malware.Bladabindi-7487187-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28db1bdf-b0c9-4ec3-9c7d-99db27a6a77a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848712
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4a8a2d81f379f33ae6bcffb81866663e8ae7ad07a49ad40deb9db6044ed9d75/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-08-02 15:15:27 UTC
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6sukfwa7g6pthltlz75ydbtgmpuk46wqpje22qg6xhnwarhntv2q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence suricata
Link:
https://tria.ge/reports/210910-l7x86adacp/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Drops startup file
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
3a90a373baeca4a82f5b11fad090bcfdef041c92e327e8f37ed9897a9ed256d9
MD5 hash:
1910a10b4f893982f1da0bd0576c03d1
SHA1 hash:
f4aee3a3a81ad728e445ade1e55e889f6519c1a1
Link:
https://www.unpac.me/results/a200798f-7536-46a4-aec6-854f51a796ea/
SH256 hash:
f4a8a2d81f379f33ae6bcffb81866663e8ae7ad07a49ad40deb9db6044ed9d75
MD5 hash:
37a7cdba912c73ef27539b61bcc5a80c
SHA1 hash:
26b558807d497e5273f199c1ca92aa59358cfc3c
Link:
https://www.unpac.me/results/a200798f-7536-46a4-aec6-854f51a796ea/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.88
Link:
https://yomi.yoroi.company/submissions/f4a8a2d81f379f33ae6bcffb81866663e8ae7ad07a49ad40deb9db6044ed9d75

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/186849/

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