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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3d3575f71a08110a2131bd27ddbf07fd86fec364d91895460b02c19c12db83b. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3d3575f71a08110a2131bd27ddbf07fd86fec364d91895460b02c19c12db83b
SHA3-384 hash: 110aa07867e92516ea92a0a49b4c1633ecdae0ec5de852c3f36a5656817b4949fd3c1843a9844056350758629eb2babc
SHA1 hash: a0fa73b54093167149d125a3c9ef58d85c812ca7
MD5 hash: 6725eb27534cde40431bb5438dfcf0c9
humanhash: hamper-fruit-juliet-mike
File name:платеж № 0086.pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:2'107'396 bytes
First seen:2026-10-05 05:14:04 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:SXwfIFVl195nHw9XFHXt6di+q2FLfUkSibjNudH4tmt+n43Y6ipC1ACuQhmj+mNf:HUVfsFgk+lNUdi3QH4tq4VxG5dhTE
TLSH T1BFA5F15488D03FE8DB76561880FD962DE3B10A9B4C2E694AB73FBD45EFB7500C2061DA
Magika javascript
Reporter KodaDr
Tags:dropper FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
176
Origin country :
RU RU
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:
anti-vm downloader dropper encrypted evasive formbook masquerade obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/6ac3322baa2059d742d672e6/reports/629c5519-fcc5-4809-ae3f-83731c8c860e/overview
Verdict:
Malicious
Labled as:
Trojan.Dropper.JS
Link:
https://www.hybrid-analysis.com/sample/c3d3575f71a08110a2131bd27ddbf07fd86fec364d91895460b02c19c12db83b
Verdict:
Malicious
File Type:
js
First seen:
2026-10-02T05:47:00Z UTC
Last seen:
2026-10-07T00:15:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/c3d3575f71a08110a2131bd27ddbf07fd86fec364d91895460b02c19c12db83b/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c3d3575f71a08110a2131bd27ddbf07fd86fec364d91895460b02c19c12db83b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3d3575f71a08110a2131bd27ddbf07fd86fec364d91895460b02c19c12db83b/
Threat name:
Script-JS.Trojan.Heuristic
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Status:
Malicious
First seen:
2026-10-02 12:55:52 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ypjvox3rucarbiqtdpjh3w7qp7mg73bwjwiysvdawawbtqjnxa5q._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook adware collection defense_evasion discovery execution privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/261005-fw4nxaeh36/
Behaviour
Kills process with taskkill
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Enumerates connected drives
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
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/c3d3575f71a08110a2131bd27ddbf07fd86fec364d91895460b02c19c12db83b

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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:SUSP_JS_HexObfuscated_ActiveX_Launcher
Create hunting rule
Author:Marjoriefort
Description:JS obfusque (identifiants _0x) instanciant ActiveX sous WScript - dropper JScript frais
Reference:Veille fraicheur 2026-09-14 / cluster JS _0x
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments