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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 841b28288404fac8e9b9d623c47167de5c6d8a99aafe5ffede57dc8b8db31961. 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


Formbook


Vendor detections: 10


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

SHA256 hash: 841b28288404fac8e9b9d623c47167de5c6d8a99aafe5ffede57dc8b8db31961
SHA3-384 hash: b8581d82fa32295175174834e5648fd5d0bc1a99b3c727e7fa7d248d2c63a405c9d5ef883f56bca75410c017283bb2f5
SHA1 hash: e3bd92ded275995d4cd5cbc9469b7cc406a0ae3a
MD5 hash: 3b8193a4e5da06518fdd004098d4d3af
humanhash: crazy-oven-sweet-neptune
File name:PO 027 ETD Oct.2026.pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:43'021 bytes
First seen:2026-09-24 05:40:27 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:YkxrNHbh123mTHMfp6e7FjrFUwfolmNmE3tX/Ar4HelQuoHX0s9a7BkVlGH5JjWo:LgwQuJp
TLSH T1D8131C44498174899337677BAB2AE8E8FB7B066B0254494B787C3490EFF0D18CEE4DB5
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2303.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
encrypted evasive masquerade obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/6ab4b801e1b2f7567bda0669/reports/8097c844-25f8-4b51-bfe1-54ec3c404f94/overview
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/841b28288404fac8e9b9d623c47167de5c6d8a99aafe5ffede57dc8b8db31961
Verdict:
Malicious
File Type:
js
First seen:
2026-09-23T21:51:00Z UTC
Last seen:
2026-09-26T03:38:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/841b28288404fac8e9b9d623c47167de5c6d8a99aafe5ffede57dc8b8db31961/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1977431
Signature
Antivirus detection for URL or domain
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
Multi AV Scanner detection for submitted file
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/841b28288404fac8e9b9d623c47167de5c6d8a99aafe5ffede57dc8b8db31961
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/841b28288404fac8e9b9d623c47167de5c6d8a99aafe5ffede57dc8b8db31961/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-09-24 01:03:20 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqnsqkeeat5mr2nz2yr4i4lh3zog3cuzvl7f77w6k7oixdntdfqq._file
Verdict:
malicious
Label(s):
FantomCrypt
Create hunting rule
Formbook
Create hunting rule
Link:
https://reports.threatray.com/8faa7ac7-b95d-4b75-929f-174843b17e91
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/260924-gdknrazsbs/
Behaviour
Command and Scripting Interpreter: JavaScript
Badlisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/841b28288404fac8e9b9d623c47167de5c6d8a99aafe5ffede57dc8b8db31961

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:Sus_CMD_Powershell_Usage
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Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments