MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 628c71357656704c7557546de59aef2eeb4028999340e1a9c7adfd17ba2aa73e. 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 22 File information Comments

SHA256 hash:	628c71357656704c7557546de59aef2eeb4028999340e1a9c7adfd17ba2aa73e
SHA3-384 hash:	127143facc6d2ca20b6e0a0efa4bc8006a0994b7264b925796be7a2b479ac844b51b7fd74fce1c24134fc5f13522cfe2
SHA1 hash:	7ac5886fd638e3fcefbc65dda25f421801dc7dfe
MD5 hash:	0581ced62b6254370bb8e816ccd8b4d6
humanhash:	queen-orange-maine-michigan
File name:	PROTEST LETTER.zip
Download:	download sample
Signature	Formbook Create hunting rule
File size:	772'073 bytes
First seen:	2025-07-09 11:11:00 UTC
Last seen:	2025-07-09 11:32:57 UTC
File type:	zip
MIME type:	application/zip
ssdeep	12288:xDpMfE00PcjNA1icgHo+PFlfbSMEiFvUhem1e8hITn275/Ky/9km+V2Lt+mw8UGO:3FPc55LI+tlfbS4F5uprS4kmG2LtqGMF
TLSH	T167F4337AC180FEF39756A008F17A6169FD3B06ACEB81845C6007D1D2E3BD1E949C7A97
Magika	zip
Reporter	cocaman
Tags:	FormBook zip

cocaman

Malicious email (T1566.001)
From: "Netos Williams <kitS@migenetika.com>" (likely spoofed)
Received: "from gallant-feynman.147-45-49-96.plesk.page (unknown [147.45.49.96]) "
Date: "09 Jul 2025 02:02:29 -0700"
Subject: "Documents confirmation 07/07"
Attachment: "PROTEST LETTER.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:	PROTEST LETTER.exe
File size:	1'208'832 bytes
SHA256 hash:	543488926596ff1e2874b039ecfcbdbca619e49598111df0e7531c469de68cfe
MD5 hash:	c4bd09c4c5db94450785bc5ac91b26b3
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Foxhole.Zip_fs3102.UNOFFICIAL

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Suspicious

Score:

50%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686e4e59900df8e7f868fd44

Tags:

autoit emotet

Result

Verdict:

Malicious

File Type:

PE File

Link:

https://app.docguard.net/628c71357656704c7557546de59aef2eeb4028999340e1a9c7adfd17ba2aa73e/results/dashboard

Behaviour

BlacklistAPI detected

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/686e4e5f0737c4165a96d710/reports/b1092f8b-9bfb-4a89-ab86-d2cf1acb573c/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/628c71357656704c7557546de59aef2eeb4028999340e1a9c7adfd17ba2aa73e

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/628c71357656704c7557546de59aef2eeb4028999340e1a9c7adfd17ba2aa73e

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:

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:	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:	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)