MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4dcd21a2e0b2f4432b665157a1f934e5063be6bbf7ef5f92b365bbbeca92331. 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: 2

Intelligence 2 IOCs YARA 3 File information Comments

SHA256 hash:	f4dcd21a2e0b2f4432b665157a1f934e5063be6bbf7ef5f92b365bbbeca92331
SHA3-384 hash:	86f64158d5803378f109dc32775e96741ebe8452a1a4ace8ee66121fa4c36c56ad0aea21599d4d1bc9077795001809ad
SHA1 hash:	f40cd6481a66c1608a6b97580fe69f2e4904ed6d
MD5 hash:	937aa5650aa985dd443f4a03156967c9
humanhash:	pennsylvania-four-comet-oxygen
File name:	Scan Bill of Lading.xlsm
Download:	download sample
Signature	Formbook Create hunting rule
File size:	408'372 bytes
First seen:	2020-06-30 06:46:59 UTC
Last seen:	2020-06-30 07:45:43 UTC
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	12288:i908By8nGThjIb7H2UauevqSjFj0xfYiY:i9pLwhGH297vPZgZY
TLSH	A294236F642C7D83CE9B9C5E9A0CCCD5321D831A3307BAF575506580CDDB2AE06A5CE9
Reporter	abuse_ch
Tags:	FormBook Maersk xlsm

abuse_ch

Malspam distributing Formbook:

HELO: slot0.winnwinnllc.ga
Sending IP: 68.183.98.32
From: "Maersk Line " <info@winnwinnllc.ga>
Subject: Scan Bill of Lading
Attachment: Scan Bill of Lading.xlsm

FormBook payload uRL:
https://kyivremont.com/vbc.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.ISB.Downloadergen48.11803.UNOFFICIAL

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f4dcd21a2e0b2f4432b665157a1f934e5063be6bbf7ef5f92b365bbbeca92331/

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6tonegrobmxuimvwmukxuh4tjzighptlx57pl6jlgzn3x3fjemyq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

evasion spyware trojan

Link:

https://tria.ge/reports/200630-5m9l7sr2ae/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetThreadContext

Checks whether UAC is enabled

Modifies system certificate store

Loads dropped DLL

Blacklisted process makes network request

Executes dropped EXE

Process spawned unexpected child process

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:	Formbook Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Formbook in memory
Reference:	internal research

Rule name:	SharedStrings Create hunting rule
Author:	Katie Kleemola
Description:	Internal names found in LURK0/CCTV0 samples

Rule name:	win_formbook_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator