MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3773eeda4725ca7f619e2137deb496ce006f7702495e6c448e874bdf6afea37f. 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: 8

Intelligence 8 IOCs YARA 19 File information Comments

SHA256 hash:	3773eeda4725ca7f619e2137deb496ce006f7702495e6c448e874bdf6afea37f
SHA3-384 hash:	fbbc4b27aed2f076b04404e316ef727479c7d27623d725546ea5d98cee3038aaa5ddce90ec209d2b397f4de5369fad7f
SHA1 hash:	b66faddeb2f7464fa95e18cd6cdc64c7154a2050
MD5 hash:	d0f1dae05882b226cf1051262efcb5ad
humanhash:	oregon-tennessee-charlie-stream
File name:	Statement Of Account 2023 PDF.zip
Download:	download sample
Signature	Formbook Create hunting rule
File size:	364'355 bytes
First seen:	2023-11-29 12:25:02 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	6144:brPRc6Ete9xH6XLZpUsnnDt6goOz43aY0UTO8IYq0w7dZWD:/PC6EtXvrZnoOsqfYO8IYDwx+
TLSH	T10F742399474AB1783ACC608516A7782B7BAB150EB86B735871EECD1FC3270A6330E157
TrID	80.0% (.ZIP) ZIP compressed archive (4000/1) 20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter	cocaman
Tags:	FormBook payment zip

cocaman

Malicious email (T1566.001)
From: "Amanda Chen <palia_k@yahoo.com>" (likely spoofed)
Received: "from ec2-35-89-73-130.us-west-2.compute.amazonaws.com (ec2-35-89-73-130.us-west-2.compute.amazonaws.com [35.89.73.130]) "
Date: "29 Nov 2023 08:46:26 +0000"
Subject: "Re: Statement Of Accounts 2023 // Outstanding Payments."
Attachment: "Statement Of Account 2023 PDF.zip"

Intelligence

File Origin

# of uploads :

# of downloads :

169

Origin country :

File Archive Information

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

File name:	Statement Of Account 2023 PDF.exe
File size:	513'966 bytes
SHA256 hash:	1706343fa1e062d467f9b599776e7db4507a58d605122ccfaed8faa4f5278c1c
MD5 hash:	d69544675f67e6d76debd069c9c94f4d
MIME type:	application/x-dosexec
Signature	Formbook

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Foxhole.Zip_fs3475.UNOFFICIAL

Sanesecurity.Rogue.0hr.20231129-0532.UNOFFICIAL

Verdict:

Suspicious

Labled as:

Mal/DrodZp

Link:

https://www.hybrid-analysis.com/sample/3773eeda4725ca7f619e2137deb496ce006f7702495e6c448e874bdf6afea37f

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/3773eeda4725ca7f619e2137deb496ce006f7702495e6c448e874bdf6afea37f

Details

Windows PE Executable

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

Score:

99%

Verdict:

Malware

File Type:

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:st58 rat spyware stealer trojan

Link:

https://tria.ge/reports/231129-qp4qfagd86/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Executes dropped EXE

Loads dropped DLL

Formbook payload

Formbook

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/3773eeda4725ca7f619e2137deb496ce006f7702495e6c448e874bdf6afea37f

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:	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:	Formbook Create hunting rule
Author:	kevoreilly
Description:	Formbook Payload

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

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:	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:	Windows_Trojan_Formbook Create hunting rule
Author:	@malgamy12

Rule name:	Windows_Trojan_Formbook_1112e116 Create hunting rule
Author:	Elastic Security

Rule name:	win_formbook_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.formbook.

Rule name:	win_formbook_g0 Create hunting rule
Author:	Slavo Greminger, SWITCH-CERT

Rule name:	win_formbook_w0 Create hunting rule
Author:	@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip 3773eeda4725ca7f619e2137deb496ce006f7702495e6c448e874bdf6afea37f

(this sample)

Formbook

exe 1706343fa1e062d467f9b599776e7db4507a58d605122ccfaed8faa4f5278c1c

Delivery method

Distributed via e-mail attachment

Dropping

SHA256 1706343fa1e062d467f9b599776e7db4507a58d605122ccfaed8faa4f5278c1c

Dropping

Formbook

Dropping

MD5 d69544675f67e6d76debd069c9c94f4d

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