MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1602076c866f2780880e49153d687c37d6f984e6d7b6309f781ad4277cdbed3e. 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 13 File information Comments

SHA256 hash:	1602076c866f2780880e49153d687c37d6f984e6d7b6309f781ad4277cdbed3e
SHA3-384 hash:	36fddde8884748139775c5fa08f94ec8992eba0fe08a901c9c77b538ce1e33f26201243639d4761af0da0f4f2109c039
SHA1 hash:	979fbd4af0a461dcab553fc68ba87c26db51517f
MD5 hash:	9c43b1ec243b1a5f20c87a58bca69506
humanhash:	delaware-shade-march-uncle
File name:	Remittance Advice - 1400003529.PDF.7z
Download:	download sample
Signature	Formbook Create hunting rule
File size:	720'511 bytes
First seen:	2025-10-31 13:05:29 UTC
Last seen:	Never
File type:	7z
MIME type:	application/x-rar
ssdeep	12288:StLjT2mqhIabfI82Zy6iFSfzGvthGT1sx5S0icUJJSrLXBvWQ7kZbf0k9Jk6/K:S4iaLIXZxmSfCvtABsxRrOyLXBvWlZbS
TLSH	T172E423DCC6630260E0B7B13239C6D5A586998B6E4D81FDE29A2E0FEB9C35EC0D51D3C1
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:	7z FormBook

cocaman

Malicious email (T1566.001)
From: "Vivekanand Hulgunde <vivekanand.hulgunde@suzlon.com>" (likely spoofed)
Received: "from suzlon.com (unknown [185.222.58.43]) "
Date: "30 Oct 2025 22:31:10 -0700"
Subject: "Remittance Advice - 1400003529"
Attachment: "Remittance Advice - 1400003529.PDF.7z"

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:	Remittance Advice - 1400003529.PDF.exe
File size:	1'248'256 bytes
SHA256 hash:	183d51674a5f6425a8a1fba8fbbca176ecb4525d5587d4906737ce7b89e9fcac
MD5 hash:	f1e298d734b6215a24a0712c8519bd12
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6904b4349942f1282ecae190

Tags:

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/6904b449be20d933485a7dbc/reports/ead16963-6fbe-4522-8b6c-0c2e61333a72/overview

Verdict:

Malicious

Labled as:

Trojan.Downloader

Link:

https://www.hybrid-analysis.com/sample/1602076c866f2780880e49153d687c37d6f984e6d7b6309f781ad4277cdbed3e

Verdict:

Malicious

File Type:

rar

First seen:

2025-10-31T01:34:00Z UTC

Last seen:

2025-11-02T11:29:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/1602076c866f2780880e49153d687c37d6f984e6d7b6309f781ad4277cdbed3e/results?tab=lookup

Verdict:

Malware

YARA:

1 match(es)

Tags:

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

Link:

https://app.malva.re/file/9c43b1ec243b1a5f20c87a58bca69506

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1602076c866f2780880e49153d687c37d6f984e6d7b6309f781ad4277cdbed3e/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-10-31 13:06:34 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

17 of 23 (73.91%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=cybao3egn4tybcaojekt22d4g7lptbhg263dbh3ydlkco7g35u7a._file

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook discovery rat spyware stealer trojan

Link:

https://tria.ge/reports/251031-t8hh4aymfn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

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:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/1602076c866f2780880e49153d687c37d6f984e6d7b6309f781ad4277cdbed3e

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:	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__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_detect_tls_callbacks Create hunting rule

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:	TH_Generic_MassHunt_Win_Malware_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Windows malware mass-hunt rule - 2025
Reference:	https://cyfare.net/