MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089
SHA3-384 hash: ac0498208488a3a5368b0ab5db9315c33b6e606c4b96582dca608b413bbd507d6a3620c4d72780d193facc05936360dd
SHA1 hash: 007bd5fc29a2660176a19c74a49e58e9172a6d3d
MD5 hash: 4953506109584886424721b7ecf7791b
humanhash: beer-kitten-montana-alanine
File name:RFQ-2025-06.7z
Download: download sample
Signature njrat
Create hunting rule
File size:567'281 bytes
First seen:2025-06-16 16:00:54 UTC
Last seen:Never
File type: 7z
MIME type:application/x-7z-compressed
ssdeep 12288:Hor6SJg4W4JEdPpRg0cqx2I43nMTisfx3Php/UONYU62z78BHTfvpzd:HAHOdhphYz3AbPN62zgpzd
TLSH T1B6C423EB8FB181A3431F66E6E8414296331F1C054CF96A4ABA76FCD7D9A1F80164C2DD
TrID 57.1% (.7Z) 7-Zip compressed archive (v0.4) (8000/1)
42.8% (.7Z) 7-Zip compressed archive (gen) (6000/1)
Magika sevenzip
Reporter cocaman
Tags:7z NjRAT RFQ


Avatar
cocaman
Malicious email (T1566.001)
From: "sales@re-petroleum.com" (likely spoofed)
Received: "from unassigned.quadranet.com (unknown [198.55.98.192]) "
Date: "16 Jun 2025 07:42:52 -0700"
Subject: "Re: RFQ"
Attachment: "RFQ-2025-06.7z"

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:HeBHkpCKBhK1ZvO.exe
File size:666'120 bytes
SHA256 hash: 7d6248b79e83e710efc263a60b855854648088ea196e3460aece7f3fef4dbc8c
MD5 hash: f0d55fbce56212addd2a70f3513fa55d
MIME type:application/x-dosexec
Signature njrat
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.4482.28866.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685039ca8bd5d68a12e8e921
Tags:
virus micro spawn
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/68503ff3171e01f959429e2c/reports/ccb70533-738f-4715-a8b9-6cb0a4b3a918/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089
Score:
99%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Suspicious
First seen:
2025-06-16 14:47:43 UTC
File Type:
Binary (Archive)
Extracted files:
7
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2umh4lptanrb7cfkl7q5quut6yga7p5gvrfmpkiq36jqok5lkceq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:hi26 discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/250616-vchdwswjy2/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
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/d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware

File information

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

Malspam

njrat

7z d5187e2df303621f88aa5fe1d85293f60c0fbfa6ac4ac7a910df93072bab5089

(this sample)

njrat

Executable exe 7d6248b79e83e710efc263a60b855854648088ea196e3460aece7f3fef4dbc8c

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 7d6248b79e83e710efc263a60b855854648088ea196e3460aece7f3fef4dbc8c
  
Dropping
njrat
  
Dropping
MD5 f0d55fbce56212addd2a70f3513fa55d

Comments