MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4. 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: 8

Intelligence 8 IOCs YARA 15 File information Comments

SHA256 hash:	fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4
SHA3-384 hash:	f551028d1ec61bec21845cebd37abce6d884621ecde77b7e88aca83c6414be47815e6d1fb21ed4d779b9b747cc6dd716
SHA1 hash:	075073b30460384f20965c8b497e8d15f0ff0985
MD5 hash:	8dff8d818a8186cf012cb4a392d79ed6
humanhash:	victor-twelve-finch-early
File name:	PO acknowledgement.pdf.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	705'008 bytes
First seen:	2025-07-14 06:12:25 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:ysCdLt5V6QbqCiYlsXp2DlB1jI+LX3CTDQx6D/acBGEcgBFJ:CjBb8Y4pmlBC+LXyXpD/FtrBFJ
TLSH	T15CE42387EB1D686C8007B9DF66EEF479758528512D910EE8E28DFDA1B9141F81F0C8F8
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 payment rar

cocaman

Malicious email (T1566.001)
From: "Weng Choon Ling <wcling@suretank.com>" (likely spoofed)
Received: "from suretank.com (unknown [45.137.22.101]) "
Date: "13 Jul 2025 21:58:46 -0700"
Subject: "RE: Overdue SOA payment order & acknowledgement."
Attachment: "PO acknowledgement.pdf.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

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

File name:	PO acknowledgement.pdf.exe
File size:	1'240'576 bytes
SHA256 hash:	a214920669c94931076ee81332dcfc34519033264ab4a95b94f2ee9299b9c210
MD5 hash:	8a04cba6c21c1bad05c2bcd229a68786
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6874a000900df8e7f86a8245

Tags:

underscore autoit emotet

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/6874a000a15b22faa8b0ba4b/reports/c5476b1c-050e-4db2-b037-f177f4169c14/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4

Verdict:

Malware

YARA:

1 match(es)

Tags:

AutoIt Decompiled Executable PDB Path PE (Portable Executable) Rar Archive Suspect

Link:

https://app.malva.re/file/8dff8d818a8186cf012cb4a392d79ed6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4/

Verdict:

Malicious

Threat:

Script-AutoIt.Malware.Heuristic

Link:

https://tip.neiki.dev/file/fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-07-14 06:12:28 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7stqlxtu44cpvo5samcaqp3bxlthm5cpy5ayl3p3x5ien4zeo7ca._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250714-gzgtzsylx6/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/fca705de74e704fabbb20304083f61bae676744fc74185edfbbf5046f32477c4

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

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

Rule name:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

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

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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

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

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:	SUSP_RAR_with_PDF_Script_Obfuscation Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research

Rule name:	SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4 Create hunting rule
Author:	Florian Roth
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)