MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a277e9e2f6049fb8009d2f139a217b53da1448d7ca5c4da751336bd00d44ae1. 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 3 File information Comments

SHA256 hash:	6a277e9e2f6049fb8009d2f139a217b53da1448d7ca5c4da751336bd00d44ae1
SHA3-384 hash:	220b8941c2ebc1544555a4108e4a2504fa36b771ae6d9d4a2d8ac463250eca9dbe7764ad69d9c06f82fe1a9910c57352
SHA1 hash:	f3a4aefa6b1fbc262368aef94fbeb5daf91474e4
MD5 hash:	5db578fbde7a2e75f7ab456d0c77d514
humanhash:	friend-moon-montana-montana
File name:	POrder65764_pdf.exe
Download:	download sample
Signature	FormBook Create hunting rule
File size:	326'144 bytes
First seen:	2020-06-02 06:50:39 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	acfd6abb9b51dc74b70cc24ba8999759 (4 x FormBook)
ssdeep	6144:Ac3dkwnWI58APjBFlqetRRBW9zrcb4CHgvw:RSCWwHHqetRbofhCHy
TLSH	9D64E1C17760806DF652CBFD28248534A11AACE9E6A47ECA03D57D24AF332B75D3532E
Reporter	abuse_ch
Tags:	exe FormBook

abuse_ch

Malspam distributing FormBook:

HELO: box.alaskerparkers.co.uk
Sending IP: 192.236.194.95
From: sales@alaskerparkers.co.uk
Subject: urgent order #1380
Attachment: POrder65764_pdf.zip (contains "POrder65764_pdf.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

PUA.Win.Downloader.Aiis-6803892-0

Gathering data

Threat name:

Win32.Trojan.Formbook

Status:

Malicious

First seen:

2020-06-02 08:48:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 31 (70.97%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=nitx5hrpmbe7xaaj2lyttiqxwu62crenpss4jwtvcm3l2agujlqq._file

Verdict:

malicious

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/201109-9bkt2z4c7n/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Suspicious use of UnmapMainImage

Drops file in Program Files directory

Suspicious use of SetThreadContext

Deletes itself

Reads user/profile data of web browsers

Adds policy Run key to start application

Formbook Payload

Formbook

Malware Config

C2 Extraction:

http://www.mafov.com/x54/

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