MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfdcdf1958095765df050f9c73e2f4e16f29d46f86ac1e85b99f0ef77c41c99e. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfdcdf1958095765df050f9c73e2f4e16f29d46f86ac1e85b99f0ef77c41c99e
SHA3-384 hash: 6851806b71cf3cf05ee387ed22c53f8b9cf4e75bc55c94f882c1db9325372276ad1c45a1be45c994f7c10f3eb768e097
SHA1 hash: 5c8e58f01e6eea1d77c6791acd838d2616f82f85
MD5 hash: 2b2686d681e99d4ae71eae1a0caf39e3
humanhash: single-sodium-four-quebec
File name:Purchase Order WWPO20_SCK025 (PPE)_pdf.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:299'008 bytes
First seen:2020-05-04 17:40:20 UTC
Last seen:2020-05-04 18:55:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:xc3YH3sStjkWXbo8O6VeIZkgECTMWYIYTm/8Sh31:6c8Q5L5O6/k0YS33
Threatray 5'078 similar samples on MalwareBazaar
TLSH 805418692CF81677C274C5F68BCD4C2BBB64E57B3115EDB648CA03C9439AB8235C162E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: mail.apartacel.com
Sending IP: 200.52.172.106
From: Kelvin Neo <kelvin@woodandwood.com.sg>
Reply-To: Kelvin Neo <soomla6384@yahoo.com>
Subject: Purchase Order WWPO20_SCK025 (PPE)
Attachment: Purchase Order WWPO20_SCK025 PPE_pdf.7z (contains "Purchase Order WWPO20_SCK025 (PPE)_pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.44183.23405.24530.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Formbook
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Status:
Malicious
First seen:
2020-05-04 01:15:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 31 (87.10%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7on6gkybflwlxyfb6ohhyxu4fxstvdpq2wb5bnzt4hpo7cbzgpa._file
Verdict:
malicious
Similar samples:
01214bebe6eb99ea6540145d7ad3e5f5a8a11691610be73aa24dc1107a71e360
FormBook
132995ee20393e2e5bb58a2232409af55f34061479658adf32982d8e0bc4c566
FormBook
35581eb6b7b958bfd5a21f192571f5adeeac39295de4ce29bc16bbb57480ae80
FormBook
3ac5ff1bb66fd3575cda9547d9ffcab8885679816cea32e62fd103c3468b0f23
FormBook
3b9692f3b7d72709d982d0bcaf84f9b711529ef005a18415dfff1dbc4c0557a9
FormBook
45cf2baa638343e087ec2c2a91e4d5767b3342cd4eb2e39907567d237cbfa701
FormBook
bbb3afd846cc51e61380effeaceabc21e15c8b4ccdab6d821697191605a00c60
FormBook
c921c868103f592befe1f7c0787c6389b914d8f09ffd8cccac514b610dfc1975
FormBook
c99fc7455ba8df7d54e74b20d4a3db4ef2e29bd73309119a24cc46f28122697e
FormBook
f1b94c748b5f7d5ea89929c49ff0a37071ae3b489856fae68b8eccfff0c32467
FormBook
+ 5'068 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan persistence
Link:
https://tria.ge/reports/201109-sxlx18s43s/
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
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.cervox.com/jb9/
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:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

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

Malspam

FormBook

7z 6e94e6af12bb354c1be7f8e9ca678b8d4ac6c480f8edd717a2255233c07ddcf3

FormBook

Executable exe bfdcdf1958095765df050f9c73e2f4e16f29d46f86ac1e85b99f0ef77c41c99e

(this sample)

  
Dropped by
MD5 b309079a61e41c35afcca1daf2fb1765
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6e94e6af12bb354c1be7f8e9ca678b8d4ac6c480f8edd717a2255233c07ddcf3

Comments