MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2b4042826e99d55fdf40f578cb9893c20c1295aff36abb1065bcaf25147e3be. 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 File information Comments

SHA256 hash: e2b4042826e99d55fdf40f578cb9893c20c1295aff36abb1065bcaf25147e3be
SHA3-384 hash: 7002c373e4c019f2aa5278f9c7dca2ef77d54c6f955545e3c3299cb51d163bd5766ce2135a3acd205af1058e9518573c
SHA1 hash: aea6a50ffa9d0d55bed67532eaa976933a5baa1e
MD5 hash: 75b0e7b9087968658ec613d2389cd73a
humanhash: louisiana-speaker-failed-cup
File name:PO PUR-2504003.gz
Download: download sample
Signature Formbook
File size:3'128 bytes
First seen:2025-12-09 09:27:51 UTC
Last seen:Never
File type: gz
MIME type:application/x-rar
ssdeep 96:jNSSQBnejmZUUMdJy+3/JJsUCYH9eFc+g:jkpZeiZWTyCjaYH9aE
TLSH T1CC513C80F4C4ACB2DEA80AB11BE7B4845C5951222C311996BAC9F770BFB1C2AB8046E0
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:FormBook gz


Avatar
cocaman
Malicious email (T1566.001)
From: "Khrueathao, Kanyanat<kanyanat.khrueathao@nitto.com>" (likely spoofed)
Received: "from mail.surizia.com (mail.surizia.com [104.129.61.60]) "
Date: "8 Dec 2025 01:11:24 -0800"
Subject: "New PO_PV255427 - FRONT COVER 4-426-830-01 "
Attachment: "PO PUR-2504003.gz"

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
CH CH
File Archive Information

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

File name:PO PUR-2504003.js
File size:2'820'805 bytes
SHA256 hash: b8f47c426fffb89ab525c1829e78363e16b2eaa1bb2ac49d8f73de2f22727e48
MD5 hash: c442e5c8d70217d8027c56ba2e48d08c
MIME type:text/plain
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
File Type:
rar
First seen:
2025-12-08T19:26:00Z UTC
Last seen:
2025-12-10T10:49:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Rar Archive
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-12-08 11:04:03 UTC
File Type:
Binary (Archive)
Extracted files:
1
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware discovery execution persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://bvaco.com/js/panel/uploads/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

gz e2b4042826e99d55fdf40f578cb9893c20c1295aff36abb1065bcaf25147e3be

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments