MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970. 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 16 File information Comments

SHA256 hash:	fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970
SHA3-384 hash:	8a9cfe2d330b58e10580e40b022657a22148256b4e5753765804c28a76673c4fea59f183c5490393fd0a18628cac7f23
SHA1 hash:	0b73fbb38430669669eacf3e0c99613ebd30ea6d
MD5 hash:	29ddf55f03f28dfa8fe5ee7e85808cfe
humanhash:	tango-spaghetti-batman-bakerloo
File name:	MV_TORONEOS_FULL_VESSEL_INFORMATIONpdf.js
Download:	download sample
Signature	Formbook Create hunting rule
File size:	6'136'092 bytes
First seen:	2026-08-10 08:36:39 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	24576:i6S80pLseQwdXAID/GF36S80pLseQwdXAID/GFP:ikI
TLSH	T1FB56FAA73ADE758AAA09328E5C1EDD040B8EC0246DA79DC864DD1D8CB80F5D525C4FEF
Magika	javascript
Reporter	threatcat_ch
Tags:	FormBook js

Intelligence

File Origin

# of uploads :

# of downloads :

142

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm aspnet_compiler base64 cscript encrypted evasive evasive fingerprint lolbin obfuscated obfuscated powershell reconnaissance repaired taskkill wscript

Link:

https://www.filescan.io/uploads/6a798da0d73226c81341affa/reports/f12d37ca-aacf-471b-b9e1-8730456b1a03/overview

Verdict:

Malicious

Labled as:

Trojan/JS.Obfuscated

Link:

https://www.hybrid-analysis.com/sample/fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970

Verdict:

Malicious

File Type:

First seen:

2026-08-10T05:11:00Z UTC

Last seen:

2026-08-12T06:35:00Z UTC

Hits:

~10000

Link:

https://opentip.kaspersky.com/fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970/results?tab=lookup

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1954954

Signature

Binary is likely a compiled AutoIt script file

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

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

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

Performs DNS queries to domains with low reputation

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

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2026-08-10 08:19:14 UTC

File Type:

Text (JavaScript)

AV detection:

10 of 37 (27.03%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7jlk7kptyahu63nzbflay3pyyi6clmyukrjwtqw4xdudzd4h3fya._file

Result

Malware family:

formbook

Score:

10/10

Tags:

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

Link:

https://tria.ge/reports/260810-khzv1svdjc/

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

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/fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__GlobalFlags Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	dgaagas Create hunting rule
Author:	Harshit
Description:	Uses certutil.exe to download a file named test.txt

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

Rule name:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/

File information

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

Malspam

Formbook

js fa56afa9f3c00f4f6db909560c6df8c23c25b314545369c2dcb8e83c8f87d970

(this sample)

Delivery method

Distributed via e-mail attachment

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