MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1f5427b31de5567c9cfbe974144742316f340eb8987f4b237c11447a213a9a8. 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: 7

Intelligence 7 IOCs YARA 9 File information Comments

SHA256 hash:	f1f5427b31de5567c9cfbe974144742316f340eb8987f4b237c11447a213a9a8
SHA3-384 hash:	20ad60c2fdea8b315089184dd5ae6a49123c794f16b69fd3f73a926114bc8b4a365ea63c9e8034baca7b3b33fc026cf8
SHA1 hash:	545188635f3f89bb5ed62755535039ed2e04cde5
MD5 hash:	088975093263b414de3ca77163eb2c5e
humanhash:	timing-louisiana-apart-beryllium
File name:	Remittance Advice PO#2.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	696'619 bytes
First seen:	2025-04-04 06:38:44 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:U2xBquSHB5b6y9/YTRw7h0RkAxmo60r9VQzhUm9Wdn+FXtTVGWpqJqLxY:XxBqDPblcRw7t9WVQt59WetBHpqSxY
TLSH	T1D0E42300F1A6ECFC763C237866A0C1619F7810C6A6456FE2B96503FD3E621319EB757A
TrID	58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1) 41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	cocaman
Tags:	FormBook rar

cocaman

Malicious email (T1566.001)
From: "trade@boratr.co.kr" (likely spoofed)
Received: "from [195.211.191.132] (unknown [195.211.191.132]) "
Date: "3 Apr 2025 18:31:04 -0700"
Subject: "Remittance Details for PO#2"
Attachment: "Remittance Advice PO#2.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:	Remittance Advice PO#2.exe
File size:	1'190'912 bytes
SHA256 hash:	cc9466116928990ca27627947bf03b92d6bbf4f9bb7d2e5fb005a7a3be041159
MD5 hash:	d073d944518815e573dc239d110e56db
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.27363.Rar5Heur.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67ef8094cfd0a37f830dbee4

Tags:

autoit emotet

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit compiled-script fingerprint hacktool keylogger lolbin microsoft_visual_cc packed packed packer_detected regedit wmic

Link:

https://www.filescan.io/uploads/67ef7e99b070fb3f945ea3fa/reports/79de81e1-c756-461c-ae1a-d6fc031a55d9/overview

Verdict:

Malicious

Labled as:

Ransom.Zbot

Link:

https://www.hybrid-analysis.com/sample/f1f5427b31de5567c9cfbe974144742316f340eb8987f4b237c11447a213a9a8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f1f5427b31de5567c9cfbe974144742316f340eb8987f4b237c11447a213a9a8/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-04-04 06:38:46 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

22 of 38 (57.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6h2ue6zr3zkwpsopx2lucrduemlpgqhlrgd7jmrxyekepiqtvgua._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250404-hfyttstqw7/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

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:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f1f5427b31de5567c9cfbe974144742316f340eb8987f4b237c11447a213a9a8

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

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

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

Rule name:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
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)