MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa6e9db8cbf8133fa51a3ca6f499fad243e47dcfb523ec1232505813257e9eb1. 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: 12

Intelligence 12 IOCs YARA 35 File information Comments

SHA256 hash:	aa6e9db8cbf8133fa51a3ca6f499fad243e47dcfb523ec1232505813257e9eb1
SHA3-384 hash:	a155700f7835b87087c5ba58d95557db50e86e5c68ca53a596710858cb1d0bb63d3855baa60f511731f45e8d8d465d7e
SHA1 hash:	020131aca1100ab458f3587bd290a70145b98a9d
MD5 hash:	98259be034420e6aa2086d3e16ceee9f
humanhash:	zebra-hydrogen-louisiana-high
File name:	31_39.zip
Download:	download sample
Signature	Formbook Create hunting rule
File size:	744'075 bytes
First seen:	2025-07-17 11:09:08 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	12288:Yex7LUCcF23teQua36E8HTgIFIRIkFxAYQDTkqLGYrhFtRVJFrbWPUOIrqGEFTZr:YexvIF8/lsHTwFxAtDCYr7ThDJrq5pEs
TLSH	T162F4231CD8BC3D9CEDBB863D72C5341A8A0AF18969CE471F5F7347A24054EEB6958390
Magika	zip
Reporter	cocaman
Tags:	FormBook zip

cocaman

Malicious email (T1566.001)
From: "Ahmad Pouri <accounts@migenetika.com>" (likely spoofed)
Received: "from competent-galois.147-45-116-6.plesk.page (unknown [147.45.116.6]) "
Date: "16 Jul 2025 23:40:13 -0700"
Subject: "WBAKG52080E468895 - 148"
Attachment: "31_39.zip"

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:	31_39.exe
File size:	1'181'184 bytes
SHA256 hash:	4e24c4fde4a738b79b3b22a9b2cac6533ba6cf6dc63ad21ff7175c686c11e053
MD5 hash:	c1f847653627f1f82d4ab80e88ce3d49
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6878d9e52f623871a5ef2ac0

Tags:

autoit emotet

Result

Verdict:

Malicious

File Type:

PE File

Link:

https://app.docguard.net/aa6e9db8cbf8133fa51a3ca6f499fad243e47dcfb523ec1232505813257e9eb1/results/dashboard

Behaviour

BlacklistAPI detected

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script control evasive explorer fingerprint keylogger lolbin microsoft_visual_cc msiexec packed wmic wuauclt

Link:

https://www.filescan.io/uploads/6878d9f112460d69545eb54c/reports/d646c547-9d1f-4a4e-9e5e-58b421141057/overview

Verdict:

Suspicious

Labled as:

Trojan.U.FormBook

Link:

https://www.hybrid-analysis.com/sample/aa6e9db8cbf8133fa51a3ca6f499fad243e47dcfb523ec1232505813257e9eb1

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/aa6e9db8cbf8133fa51a3ca6f499fad243e47dcfb523ec1232505813257e9eb1

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Score:

100%

Verdict:

Malware

File Type:

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook adware discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/250717-na1zwsxms6/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Formbook payload

Formbook

Formbook family

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

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/aa6e9db8cbf8133fa51a3ca6f499fad243e47dcfb523ec1232505813257e9eb1

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

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:	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:	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)

Rule name:	Windows_Generic_Threat_aeaeb5cf Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Formbook Create hunting rule
Author:	@malgamy12

Rule name:	Windows_Trojan_Formbook_1112e116 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach

Rule name:	win_formbook_g0 Create hunting rule
Author:	Slavo Greminger, SWITCH-CERT

Rule name:	win_formbook_w0 Create hunting rule
Author:	@malgamy12

Rule name:	YahLover Create hunting rule
Author:	Kevin Falcoz
Description:	YahLover

File information

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

Malspam

Formbook

zip aa6e9db8cbf8133fa51a3ca6f499fad243e47dcfb523ec1232505813257e9eb1

(this sample)

Formbook

exe 4e24c4fde4a738b79b3b22a9b2cac6533ba6cf6dc63ad21ff7175c686c11e053

Delivery method

Distributed via e-mail attachment

Dropping

SHA256 4e24c4fde4a738b79b3b22a9b2cac6533ba6cf6dc63ad21ff7175c686c11e053

Dropping

Formbook

Dropping

MD5 c1f847653627f1f82d4ab80e88ce3d49

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