MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81e7f34b79771377a5826d74309f7ca00e1e8a4f42a79328836925ba55fdcd47. 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: 81e7f34b79771377a5826d74309f7ca00e1e8a4f42a79328836925ba55fdcd47
SHA3-384 hash: c186a03fa0cc1e3ad1e901bcb96cd0acde7486d050be1891ca4d18edf4642b703307ec93ec36a8f86b9ade527428964e
SHA1 hash: 21e1395928c7ff4e3d2481957ff620e56391e8e5
MD5 hash: 7f222ea5422924c69c172428c5d099a4
humanhash: purple-fourteen-minnesota-grey
File name:JqCtzmGU.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2020-10-13 21:32:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:FCbP3tSX6vBq7lazgE20hQaBHy5Q1Q0YtQWTItebrOFeqzC3d:KS6vBqMzg0CqH369rVd
Threatray 36 similar samples on MalwareBazaar
TLSH 55E21A4777B58115C2FD56F88DB3132047B1E3838532EB6F9CEC44DA4BA36E54242AE9
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70635/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Connection attempt to an infection source
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/490442
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)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81e7f34b79771377a5826d74309f7ca00e1e8a4f42a79328836925ba55fdcd47/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 21:34:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qht7gs3zo4jxpjmcnv2dbh34uahb5cspiktzgkednes3uvp5zvdq._file
Verdict:
suspicious
Similar samples:
077a1514c1e8452cea89624a0f990a369fa2e654ce743b264fc9e3c85d7025e4
njrat
0e2821a2518ddfba5c461b6ebcd30d0226c92cfbf9bc31d1b848502dc0fb89df
njrat
1e1edb890e24d3cb872cc3732134658213cf42b670fb751c3fb425ea624df58b
njrat
43ddd2b5298b9c14f9dd71ad0883e954fdc4515d947874ddf2c2f22b99764e55
njrat
5ac3c60303143b7484d2f4217b3d7eb92d83d13b8c1f8055ba5b08b3cd2993f3
njrat
62883e8f83fcbbfb535c5dbef62be7d671b3513540f15b8b1d293a5fc9ea79b1
njrat
7dccbba3dd0e7a899a0cfc01bbf1d7625fcc06f1704be9231782cfc9bccc6b73
njrat
83456f70dec6de88075e8f81f212d4d0798f3dd42e37838c6d824cfd5bf2fa67
njrat
9c8b6744a1207e4af311e453d52170e0fe4f307167e27ddb92b5e05befeb94c6
njrat
e8ea3c240a7dc0081189f35e73a4f74ba329c1afd98d9153fc273569f14e3a80
njrat
+ 26 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201013-thad545s52/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
81e7f34b79771377a5826d74309f7ca00e1e8a4f42a79328836925ba55fdcd47
MD5 hash:
7f222ea5422924c69c172428c5d099a4
SHA1 hash:
21e1395928c7ff4e3d2481957ff620e56391e8e5
Link:
https://www.unpac.me/results/099a48f9-f53e-4120-a225-5ec7fdc62234/
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/81e7f34b79771377a5826d74309f7ca00e1e8a4f42a79328836925ba55fdcd47

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog

File information

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

Web download

njrat

Executable exe 81e7f34b79771377a5826d74309f7ca00e1e8a4f42a79328836925ba55fdcd47

(this sample)

  
Link
https://www.virustotal.com/gui/file/81e7f34b79771377a5826d74309f7ca00e1e8a4f42a79328836925ba55fdcd47/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/70635/

Comments