MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a03be075f7e2d5bcb20998b98e59fdab1ce4c959675a9b20076eb959189e2f93. 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 3 File information Comments

SHA256 hash: a03be075f7e2d5bcb20998b98e59fdab1ce4c959675a9b20076eb959189e2f93
SHA3-384 hash: 3ef809348066a09b31c37239d4e536e93ef160cc6357e78c4ae8cae7b77504c09bc0a1950ff49bcf0d45fe843b45ebb1
SHA1 hash: 7cd98f6500919c6d5cf402b2db2839538d259570
MD5 hash: b3a873f0b9fb29fccc23866807f602fa
humanhash: king-bulldog-video-princess
File name:New_Purchase_Order.js
Download: download sample
Signature Formbook
File size:1'275'983 bytes
First seen:2026-07-24 12:17:46 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:9haw7jCKANf+gT8dxmdSakkLCsmhaDtE2rW90CVycsa1Al:94wHCiBcScDPWb15il
TLSH T166453340AF198EBD03DCC3C8712B9DAD4F423E41E64994DBB2D3C9E7876A705C9AB494
Magika javascript
Reporter TomU
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
147
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
js
First seen:
2026-07-07T23:16:00Z UTC
Last seen:
2026-07-26T10:05:00Z UTC
Hits:
~1000
Verdict:
Malware
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block DeObfuscated PowerShell T1027 T1059.001
Threat name:
Script-JS.Trojan.DonutLoader
Status:
Malicious
First seen:
2026-07-08 02:08:04 UTC
File Type:
Text (HTML)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:donutloader family:formbook discovery execution loader persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Detects DonutLoader
Family: DonutLoader
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BlackGuard_Rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:telebot_framework
Author:vietdx.mb

File information


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

Malspam

Formbook

Java Script (JS) js a03be075f7e2d5bcb20998b98e59fdab1ce4c959675a9b20076eb959189e2f93

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments