MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0087b8cfcb8eeeb038ccf007e78e78c18001c79b440891853893851887e88738. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0087b8cfcb8eeeb038ccf007e78e78c18001c79b440891853893851887e88738
SHA3-384 hash: 2df7aa93a73086efb1ac2a465f588254de710ca3751c97d2632ca03b890420baa34ebbf487d6271f3708b69322ec0e21
SHA1 hash: 231833408fc24eec62e4176bf8c2d9bb197774d4
MD5 hash: 7caf64c2ff8f65b547e7ef3ee5f81645
humanhash: venus-stairway-maryland-undress
File name:uHPy3ayE.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2020-09-25 12:02:21 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:qHwyvEiTbLvpWNcZ0y8f3CXXfPELk6EWrrAF+rMRTyN/0L+EcoinblneHQM3epzb:RyzTZ38f3CXXklEYrM+rMRa8Nujrt
Threatray 66 similar samples on MalwareBazaar
TLSH 22033A4D7FE18168C5FD067B05B2D412077AE04B6E23D90E8EF664AA37636C18B54EF2
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65801/
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
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Sending a UDP 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/475066
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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/0087b8cfcb8eeeb038ccf007e78e78c18001c79b440891853893851887e88738/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-25 12:04:06 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=acd3rt6lr3xlaogm6ad6pdtyygaadr43iqejdbjysocrrb7iq44a._file
Verdict:
malicious
Similar samples:
66f7b791ad2fba2a0f3d9730a463b0653f9c336923f23fc3826bc80079538d62
njrat
898ab33196c09c002ad6806ff25b8713522c433f8f36f19d4479eef779e3e451
njrat
a084d297f26b39b4edc89b4ec2c006039240c7b6b97ad030f361047b3cb8c6b8
njrat
a7f0ee005b8d98bc8b67e77aa4a10baca21caf5f9deb7891bacc50f713488dd0
njrat
b354fea791d05973e65997e9ef4b1e32359cdc86b6b5e38e745cbae43516e110
njrat
b3a40e1d85f1e1608acf07414a8dea2730c0de0d824bc6165856b8fe00e8ed3d
njrat
c860daab67ce2cde30c2d82085b7882178e39b17db9a889b7498d872921e4e1f
njrat
da97458433211f9901d8028600bdded7c5a01f1eecebacc488cd02eaa093b5d8
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
ffe8dbc4f815fe713c790a19b5122c79d1de9c817f10edf7d86ca297175ce439
njrat
+ 56 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200925-ff24lve2ba/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Modifies Windows Firewall
Unpacked files
SH256 hash:
0087b8cfcb8eeeb038ccf007e78e78c18001c79b440891853893851887e88738
MD5 hash:
7caf64c2ff8f65b547e7ef3ee5f81645
SHA1 hash:
231833408fc24eec62e4176bf8c2d9bb197774d4
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/da2427b3-066f-4f39-ba0f-81a5bd11ed6d/
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/0087b8cfcb8eeeb038ccf007e78e78c18001c79b440891853893851887e88738

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 0087b8cfcb8eeeb038ccf007e78e78c18001c79b440891853893851887e88738

(this sample)

  
Link
https://www.virustotal.com/gui/file/0087b8cfcb8eeeb038ccf007e78e78c18001c79b440891853893851887e88738/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65801/

Comments