MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aa00fe21e11c57cea62ed9d88ebf90fd428dbe411877a66fdba99bc15dfb406. 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

SHA256 hash:	4aa00fe21e11c57cea62ed9d88ebf90fd428dbe411877a66fdba99bc15dfb406
SHA3-384 hash:	16d465d0069f2048b3e14f09ff9d179764c6b01b293ce685b9002ecac2c5b54442be2355c94e018c72a8d79bf2202c78
SHA1 hash:	06c842919b710beb2859f2e38c25c2464eb1248d
MD5 hash:	ec1277cd7e9d5acbe7b6b4a70570a501
humanhash:	pluto-july-floor-bravo
File name:	Synopsys _PO_528059.js
Download:	download sample
Signature	Formbook Alert Create hunting rule
File size:	3'055'247 bytes
First seen:	2026-09-14 07:15:48 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	49152:n1jorOygXoBBxPGZs/yFeGNN04mxijOXqQt:k
TLSH	T157E5E8E37AAB114B7A167B7D98498A468F2ADCB01CC2D1E8E5DF48C1443B89D15E0CDF
Magika	javascript
Reporter	abuse_ch
Tags:	FormBook js

Intelligence

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File Origin

# of uploads :

1

# of downloads :

159

Origin country :

SE

Vendor Threat Intelligence

ACCE Unknown

No detections

FileScan.IO Suspicious

Verdict:

Suspicious

Threat level:

  5/10

Confidence:

100%

Tags:

obfuscated repaired

Link:

https://www.filescan.io/uploads/6aa79f4d5f5730289557b7ae/reports/5669b62f-b28b-4d23-9e04-6db1d7c78ff8/overview

Hybrid Analysis GT:JS.ObfPadding.8

Verdict:

Malicious

Labled as:

GT:JS.ObfPadding.8

Link:

https://www.hybrid-analysis.com/sample/4aa00fe21e11c57cea62ed9d88ebf90fd428dbe411877a66fdba99bc15dfb406

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2026-09-13T21:26:00Z UTC

Last seen:

2026-09-13T23:48:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/4aa00fe21e11c57cea62ed9d88ebf90fd428dbe411877a66fdba99bc15dfb406/results?tab=lookup

Joe Sandbox FormBook

Result

Threat name:

FormBook

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1972517

Signature

AI detected malicious Powershell script

Bypasses PowerShell execution policy

Found direct / indirect Syscall (likely to bypass EDR)

Injects a PE file into a foreign processes

JavaScript file contains suspicious strings

JavaScript source code contains functionality to generate code involving a shell, file or stream

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for submitted file

Queues an APC in another process (thread injection)

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

Suspicious powershell command line found

Switches to a custom stack to bypass stack traces

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Unusual module load detection (module proxying)

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

WScript reads language and country specific registry keys (likely country aware script)

Wscript starts Powershell (via cmd or directly)

Yara detected FormBook

Yara detected Powershell decode and execute

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

100%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/4aa00fe21e11c57cea62ed9d88ebf90fd428dbe411877a66fdba99bc15dfb406

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4aa00fe21e11c57cea62ed9d88ebf90fd428dbe411877a66fdba99bc15dfb406/

ReversingLabs TitaniumCloud Script-JS.Trojan.ObfPadding

Threat name:

Script-JS.Trojan.ObfPadding

Alert

Create hunting rule

Status:

Malicious

First seen:

2026-09-14 01:07:10 UTC

File Type:

Text (JavaScript)

AV detection:

13 of 38 (34.21%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jkqa7yq6chcxz2tc5woyr27zb7kcrw7ecgdxuzx5xkm3yfo7wqda._file

Hatching Triage formbook

Result

Malware family:

formbook

Alert

Create hunting rule

Score:

  10/10

Tags:

family:formbook adware collection defense_evasion discovery execution rat spyware stealer trojan

Link:

https://tria.ge/reports/260914-h32h8shn9y/

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

System Location Discovery: System Language Discovery

ConfuserEx .NET packer

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Checks computer location settings

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Family: Formbook

Formbook payload

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4aa00fe21e11c57cea62ed9d88ebf90fd428dbe411877a66fdba99bc15dfb406