MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b84f164b86250eaee07153f4665af8826f0e934ba80e505ae37ead324f53b971. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b84f164b86250eaee07153f4665af8826f0e934ba80e505ae37ead324f53b971
SHA3-384 hash: 55f0546885159d5e81b6a1b1978db2399fb7372415b51b33314955d029331e99b426c1851b3d482b980898c54d6257cd
SHA1 hash: d0c150fc54a75e97a1bd54833a826b6bc294c177
MD5 hash: 7f97fe13229e97475a0454942646a562
humanhash: oven-kentucky-beryllium-summer
File name:RFQ and Purchase Order 060920A..exe
Download: download sample
Signature FormBook
Create hunting rule
File size:387'072 bytes
First seen:2020-07-03 06:06:45 UTC
Last seen:2020-07-03 16:04:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:ZgpgakeRj8c4QTh89bk903r88i3yGKqFjmGAerdg7SUqrgV2wvZMDHYq0iXnmeO:OgPbQTh8auY6hqFjEerdg2o5vZKp
Threatray 5'296 similar samples on MalwareBazaar
TLSH 6484D031725D7F98D1A8BA38612291021D397E7B5217D61E3C8F31FC18F1B858B66FA2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: gmail.com
Sending IP: 107.173.40.221
From: Ben Faiella <sales@gmail.com>
Reply-To: ltbthuyposco@gmail.com
Subject: RFQ and Purchase Order 060920A.
Attachment: RFQ and Purchase Order 060920A..zip (contains "RFQ and Purchase Order 060920A..exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18571/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b84f164b86250eaee07153f4665af8826f0e934ba80e505ae37ead324f53b971/
Threat name:
ByteCode-MSIL.Trojan.Avemariarat
Create hunting rule
Status:
Malicious
First seen:
2020-07-03 06:08:10 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbhrms4geuhk5ydrkp2gmwxyqjxq5e2lvahfawxdp2wtet2txfyq._file
Verdict:
malicious
Similar samples:
172842029f8937753e79843e36fcb4715c0f3a9de4b256585847df48caf8e10f
FormBook
1ad1205ec2b4f317ae6857da4d49e11da7debbfc9b40dc46c598ed543152e0e3
FormBook
1d1c9ee0b1adaa5a121fd70d332785395ad22538f9cdc7db44414c1604e28919
FormBook
38cafe26c2a04715f175182f36462f482bdbbcb1d875654b9ac1242c29f50b06
FormBook
4a6187dd467be22cbd3eab6807d368c37535c488af22442498423da8124f35fa
FormBook
54828c080b94bdbf7bc08ff7a3fc69fa5a91d1b067d2997af8ef60c0304b4aed
FormBook
693e62c2a77f9a854abde4a76ff075601db591e2007d198225385fc63965b719
FormBook
6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
FormBook
c46f6d72a258354c5267436ea0db9cd3f12cc1595a0d9072d904b0b15731f092
FormBook
cfa40c1b8552fd4db408ba6cc0d622c3fed256ca4e684e4277291332c45975fb
FormBook
+ 5'286 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/200703-5dhsnha1vx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies Internet Explorer settings
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run entry to start application
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
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

zip 1746f63fe3b4b47c452d7321cec1abc493000042daf190fc09059451e9290dbb

FormBook

Executable exe b84f164b86250eaee07153f4665af8826f0e934ba80e505ae37ead324f53b971

(this sample)

  
Dropped by
MD5 3fc8d9c79e6a2130c4da392b42b64d4b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1746f63fe3b4b47c452d7321cec1abc493000042daf190fc09059451e9290dbb
Cape
Cape
https://www.capesandbox.com/analysis/18571/

Comments