MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c35851a466b7836bf284e164beafb8c6f104096e233453f7c101642994000f1c. 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: 5

Intelligence 5 IOCs YARA 14 File information Comments

SHA256 hash:	c35851a466b7836bf284e164beafb8c6f104096e233453f7c101642994000f1c
SHA3-384 hash:	00f80c088b5f41765fb4c9c17e7f19ca251dd897b75a2bd67cc14f678bf739f709adf70c6a908548fe5bc631ed0b3d06
SHA1 hash:	52dda69509c935f26681e101ab5dab66f2cc4a69
MD5 hash:	4d2d7e830699a330ae8087e4b66e1f38
humanhash:	grey-nineteen-carolina-artist
File name:	450-1292025.rar
Download:	download sample
Signature	Formbook Create hunting rule
File size:	680'165 bytes
First seen:	2025-01-29 11:20:50 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:xvoH4JPsJhpqjG5h2+8IZLfv9zghMzPBjePI293EIwlRhq631vcBOdghZ:xVJ0Hp/5h28ZLH9zIuBje9U9Zcvf
TLSH	T137E42330C7DE513F68B6E5D8247147385A08DCDABA57808C2C299F0067B263DB966ECF
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:	FormBook rar

cocaman

Malicious email (T1566.001)
From: "Notification <wallstreetfinancekings@gmail.com>" (likely spoofed)
Received: "from xenodochial-poincare.31-129-22-54.plesk.page (unknown [31.129.22.54]) "
Date: "29 Jan 2025 09:10:47 +0000"
Subject: "Certificate 01-28-2025"
Attachment: "450-1292025.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

124

Origin country :

File Archive Information

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

File name:	450-1292025.exe
File size:	1'181'696 bytes
SHA256 hash:	2acbdf309c44e9f358b7779eba49122eb5d4f7144148a17ebb9a32a5284850b6
MD5 hash:	d032a24ea96a9956ee1c7d6a843b9cd7
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=679a123939cd5095f12b3607

Tags:

autoit emotet

Gathering data

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/c35851a466b7836bf284e164beafb8c6f104096e233453f7c101642994000f1c

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/c35851a466b7836bf284e164beafb8c6f104096e233453f7c101642994000f1c/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-01-29 11:20:53 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ynmfdjdgw6bwx4ue4fsl5l5yy3yqicloem2fh56bafsctfaab4oa._file

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250129-pea5pswjdm/

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

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

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:	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_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:	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)