MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64ff498497ee75879455fa623913eed07fae30f5e357bb247bedcf76e7d4e04f. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 64ff498497ee75879455fa623913eed07fae30f5e357bb247bedcf76e7d4e04f
SHA3-384 hash: ab01ad8e5328efaf9615ffd62c1511b6a71d5c9870c03e2686b9208b26101981a34a03bea99be752e80fceb36cc8dc6c
SHA1 hash: 5ebcea35c9de2bb9f8ed01a1140b1de900afac42
MD5 hash: a9115691f9877af0edd9cb1703470b84
humanhash: texas-fourteen-enemy-princess
File name:QUOTE_3862.exe
Download: download sample
Signature FormBook
File size:315'904 bytes
First seen:2020-06-16 05:01:51 UTC
Last seen:2020-06-16 06:12:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:Iw5JndNg48pyOpnXfTUCI2SvTTmNzizoU/hJhhyz0bHuu385j/rrIfZxnlK4s:Iw3d98ExTDzh/hJryz3u3g3gxQ4
Threatray 5'125 similar samples on MalwareBazaar
TLSH 5464029DA79C8325CE6C59BEC0E1191003FCE06A3523E76E6E8031AF6C677E54613B67
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: yuntong-batt.co
Sending IP: 111.90.141.203
From: John Doe <john.doe@yuntong-batt.co>
Subject: RE: AW: Request for Quote/new articles for RFQ
Attachment: QUOTE_3862.rar (contains "QUOTE_3862.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-06-16 05:03:06 UTC
AV detection:
23 of 30 (76.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
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
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.regulars5.info/rq8mz/
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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Malspam

FormBook

Executable exe 64ff498497ee75879455fa623913eed07fae30f5e357bb247bedcf76e7d4e04f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments