MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf9ad825f52e8a1af6104737421de123b3ebe44d62a51c340d69fd1d85d9d0b2. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf9ad825f52e8a1af6104737421de123b3ebe44d62a51c340d69fd1d85d9d0b2
SHA3-384 hash: 11d7195bd12d5ccb7007d17bedf78b566ef64ae4ff94a11eb8842dd316a0c7ce8a62f53ac503b19a9fbf4131d9d4a8bf
SHA1 hash: 3378fd0f1bf6367637bc00197f1969e16b871d99
MD5 hash: e50809ad83f35e66b84fc3b9c15326ad
humanhash: twenty-asparagus-california-robert
File name:QoW87ybB1TM6drf.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:424'448 bytes
First seen:2020-07-04 07:08:08 UTC
Last seen:2020-07-04 08:07:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:+LfqoqEwmMgMAdP/Si6fLeyvFCQOfvoL+Kxn8zV52iL1ZjqE06CptYIhnpReGrfI:+d19Cj9R3PtDasCnDHWigZAF
Threatray 5'143 similar samples on MalwareBazaar
TLSH AF94D01032E42B99D1EDE3F19623605D1BF6B625E376E61D0DC912FE06AAB50CB8071F
Reporter abuse_ch
Tags:exe FormBook Yahoo


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: sonic317-27.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.129.82
From: Jean Koneh <jean.koneh@ymail.com>
Subject: : Fwd: Wire Transfer Payment
Attachment: Pay in Dco.rar (contains "QoW87ybB1TM6drf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18798/
Detection(s):
SecuriteInfo.com.Variant.Ursu.934503.1153.17996.UNOFFICIAL
Create hunting rule

Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf9ad825f52e8a1af6104737421de123b3ebe44d62a51c340d69fd1d85d9d0b2/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-04 02:17:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z6nnqjpvf2fbv5qqi43uehpbeoz6xzcnmksrynannh6r3boz2cza._file
Verdict:
malicious
Similar samples:
001af3efb9fa637cf4b597d86ec925a4283efb482417861aacabb46a848ec84d
FormBook
2f645ad832ecb3de614ff355e67bb7db84812294921a247f7ce1c8b9667f56d0
FormBook
3490dfb2560aed5d468605fbba8d770eeee2a336de3fd7e4a18f22afcad5bc44
FormBook
5300a0a0ca9bc1ac90ad1543fe3a1687db23b8f05194f86263938c57e0503b84
FormBook
7aec5714f249052bfb6d9195ee09affa5817bb20fb1096bb49bbc2fb10048e75
FormBook
82621455e0c9ed9c46f6947beeaf2c5a6962a035eea50b337fad6368b5a6485b
FormBook
831d3f64936f8082983b92c219976473a0cebca333b3d8af053bb1bc8de3fe57
FormBook
95e40490a7ab8bc996d2a8a42233563ed067317e7b54a4083808a0d77ee2a5f5
FormBook
d76bb689a401094eee47a075368224161d261665c2b285b155d1b7833ba4fbaa
FormBook
ee82b7263174f6d14a23263058616fda1c4676cecf6d0003696d255147963e1b
FormBook
+ 5'133 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200704-kncn9t5q1j/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
System policy modification
Modifies Internet Explorer settings
Creates scheduled task(s)
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds Run entry to policy start application
Formbook
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
Rule name:win_formbook_g0
Create hunting rule
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

rar 11a8dca0b20cf4fd822a23546615da463934145c4929b927069bb3e32432c8a5

FormBook

Executable exe cf9ad825f52e8a1af6104737421de123b3ebe44d62a51c340d69fd1d85d9d0b2

(this sample)

  
Dropped by
MD5 675d3e520cab424d3147bab59e57b252
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 11a8dca0b20cf4fd822a23546615da463934145c4929b927069bb3e32432c8a5
Cape
Cape
https://www.capesandbox.com/analysis/18798/

Comments