MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 520e1d864378c44061e456267cf77dddb5af43785ede2a28c18b54e26437655d. 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 17 File information Comments

SHA256 hash:	520e1d864378c44061e456267cf77dddb5af43785ede2a28c18b54e26437655d
SHA3-384 hash:	f7b7f61a65889471c75f3b641aa3ef1f5b4eef63a650702cf1c256b7bf0004b1a45ff4fe77a9fe181898dbe5b349b3b2
SHA1 hash:	4f5ae82c3ee7d20e034ba1db5b4befb49ee47116
MD5 hash:	4ed6231076b29b431a724a0bced8a201
humanhash:	leopard-thirteen-oklahoma-nebraska
File name:	PO-DOC1522025-12.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'116'455 bytes
First seen:	2025-01-15 07:26:05 UTC
Last seen:	2025-01-15 14:40:53 UTC
File type:	rar
MIME type:	application/x-rar
ssdeep	24576:+2efCR3C1FnflXmQ3aJN5+RaDZqmZ4Io2wRZ6a33fC:Yay15tXf3aMReZ3ZVo2wRZZHfC
TLSH	T1433533974AD79977EF3351E6624285C741B28B8D71E6BD8F28510EFB30EA1F09AC0D12
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:	QUOTATION rar

cocaman

Malicious email (T1566.001)
From: "Ahmed Muhammad <kit@migenetika.com>" (likely spoofed)
Received: "from cranky-cohen.2-59-163-125.plesk.page (unknown [2.59.163.125]) "
Date: "15 Jan 2025 02:25:13 +0000"
Subject: "Quotation Request"
Attachment: "PO-DOC1522025-12.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

103

Origin country :

File Archive Information

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

File name:	PO-DOC1522025-12.exe
File size:	1'645'568 bytes
SHA256 hash:	d26aea201415a8250f0ef469e579d33056696b102a6ca42ead5a838a29b15ba4
MD5 hash:	dc2314bb7a5383eb616a78e1f43d4472
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.27572.Rar5Heur.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=678763494487910100df2a5e

Tags:

autoit emotet

Gathering data

Verdict:

Suspicious

Labled as:

Mal/RarMal

Link:

https://www.hybrid-analysis.com/sample/520e1d864378c44061e456267cf77dddb5af43785ede2a28c18b54e26437655d

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

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

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/520e1d864378c44061e456267cf77dddb5af43785ede2a28c18b54e26437655d/

Threat name:

Win32.Backdoor.FormBook

Status:

Malicious

First seen:

2025-01-15 06:20:28 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=kihb3bsdpdceaypekythz5353w226q3yl3pcukgbrnkoezbxmvoq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/250115-mpymmszqdv/

Behaviour

Modifies Internet Explorer settings

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

Loads dropped DLL

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/520e1d864378c44061e456267cf77dddb5af43785ede2a28c18b54e26437655d

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:	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_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:	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)