MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 910a35ca5d26faf9ede6eabdff5d843cc84ee2086e92602c02b4c6fc45613306. 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: 910a35ca5d26faf9ede6eabdff5d843cc84ee2086e92602c02b4c6fc45613306
SHA3-384 hash: 2090a3d32bc7e0b09e6d58539bbc3035d91c6ed7461d9cd39180051782dc3cf9c7a17083455ee94dcd85aff0c4536fdc
SHA1 hash: c3d187cd506d2ff1769d9bfd4caf426cd3fe44ad
MD5 hash: 1f1a364e9ac7f5d511cf3a4a441e7d49
humanhash: burger-fish-tennis-nitrogen
File name:6qvrNKY5.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2020-09-26 09:02:39 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:geqIiuhjtD+P3V+y0bLqXOtHBEs++3hrAF+rMRTyN/0L+EcoinblneHQM3epzX9Z:NpmV10bLqXOtyN+xrM+rMRa8Nu7Lt
Threatray 72 similar samples on MalwareBazaar
TLSH 87033B4D7FE18168C5FD067B05B2D41207BAE04B6E23DA1E8EF164AA37636C18F54AF1
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
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
Enabling the 'hidden' option for analyzed file
Creating a window
Connection attempt
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/475824
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
Protects its processes via BreakOnTermination flag
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/910a35ca5d26faf9ede6eabdff5d843cc84ee2086e92602c02b4c6fc45613306/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-26 09:04:10 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sefdlss5e35pt3pg5k676xmehtee5yqin2jgalacwtdpyrlbgmda._file
Verdict:
malicious
Similar samples:
153e5b1b4b51f9f27c38a24577764a9873ea08467348b5a2db04f2a13c49e291
njrat
51707360e28aa57ec8a8d7f42bc7c9ffe8969b5d19bf39a700cde35c0e4d3846
njrat
898ab33196c09c002ad6806ff25b8713522c433f8f36f19d4479eef779e3e451
njrat
a084d297f26b39b4edc89b4ec2c006039240c7b6b97ad030f361047b3cb8c6b8
njrat
a54b4d3ba528301409e3f5ba27a1d3b3d8bf9ad5d6f0d43354535f98132d980b
njrat
a7f0ee005b8d98bc8b67e77aa4a10baca21caf5f9deb7891bacc50f713488dd0
njrat
b354fea791d05973e65997e9ef4b1e32359cdc86b6b5e38e745cbae43516e110
njrat
c860daab67ce2cde30c2d82085b7882178e39b17db9a889b7498d872921e4e1f
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
f7520d43549934d17d63e087a02883c12ef5a48c50d0b503e3c64d51ba32201a
njrat
+ 62 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200926-2r8vr4qldn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Modifies Windows Firewall
Unpacked files
SH256 hash:
910a35ca5d26faf9ede6eabdff5d843cc84ee2086e92602c02b4c6fc45613306
MD5 hash:
1f1a364e9ac7f5d511cf3a4a441e7d49
SHA1 hash:
c3d187cd506d2ff1769d9bfd4caf426cd3fe44ad
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/4fe10520-a283-4a00-804f-457c7df3619a/
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/910a35ca5d26faf9ede6eabdff5d843cc84ee2086e92602c02b4c6fc45613306

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 910a35ca5d26faf9ede6eabdff5d843cc84ee2086e92602c02b4c6fc45613306

(this sample)

  
Link
https://www.virustotal.com/gui/file/910a35ca5d26faf9ede6eabdff5d843cc84ee2086e92602c02b4c6fc45613306/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/66066/

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