MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ba988eeaeef4b7e706308c40094dd0fe2146918e0386565cc2a14243e3f0aa69. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ba988eeaeef4b7e706308c40094dd0fe2146918e0386565cc2a14243e3f0aa69
SHA3-384 hash: 4d674e6328c6477039171cea8a1daac093cbde84324978d3ce79d45e512d4784ece1044888aaf00cb607a70fc2af83da
SHA1 hash: 5bf372b8b1b460a7d054e26d8febf1cae5725466
MD5 hash: 4e8e670607976e809e5a2bee204e183a
humanhash: aspen-mockingbird-winter-potato
File name:Proforma Invoice.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:813'056 bytes
First seen:2020-07-08 07:01:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:uRqU+xB9Dykq0vD/MMGslhtW8slhtWl0O:wqU+4qvbMM7htWxhtWX
Threatray 6'387 similar samples on MalwareBazaar
TLSH 15059D3BA7636E4BCA3A0FF6902E05100EB62DD76575C3D85DC770F64AF23820A92567
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: truegreen-cn.cam
Sending IP: 111.90.140.74
From: Export@truegreen-cn.cam <Export@truegreen-cn.cam>
Subject: RE: RE: INVOICE DOOSAN - DBC130S/110S
Attachment: Proforma Invoice.rar (contains "Proforma Invoice.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22902/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Enabling autorun with Startup directory
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ba988eeaeef4b7e706308c40094dd0fe2146918e0386565cc2a14243e3f0aa69/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-08 07:03:05 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xkmi52xo6s36obrqrraastoq7yqunemoaodfmxgcufbehy7qvjuq._file
Verdict:
malicious
Similar samples:
2e5c6ecfef94f9922f152344b96041b85bf2dc01136e921e2d8c644d903b708d
FormBook
49fd1fd4167dc08352e383bd51337af9206603336040aadacc85fe5a9226ce6e
FormBook
4e68480fbf23cd8b7efedd98614f1cd26032b955b4fc721e6622c62e4bb9f447
FormBook
77cae929decac2069a213256e01ab18f1ccae29a3fee73fb501991b419507e42
FormBook
79d97d58dbb9845b2101ad4a03a987b9fc8e937e43b4b9f5bfe3a47f71a6f113
FormBook
96425dbadde8f6374899265654e2e0d7e471c756c34dff01f7d5ab08cb0c6a23
FormBook
be4792f7f371c8af4e9aed12690c8133dd745e6c4ac5cda2af61b2a94e0f9449
FormBook
d19a1337bd1fd3534eabbbdf6db6e402de9c2996edf3b4bae1bb10e85d7b5bde
FormBook
edd4ed935c2607a173722c89b329ad9dbc39d1a6204fa8ed22987f5df7955838
FormBook
f46ea866a034694bb34ddd4207ae960a5e43390ca9f9ad58daf4d14c42dbbc79
FormBook
+ 6'377 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
evasion trojan spyware stealer family:formbook persistence
Link:
https://tria.ge/reports/200708-cblk61ynv2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
System policy modification
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Creates scheduled task(s)
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Deletes itself
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 7983dba8ad5b0e2c711b758db8806fa7aed062acbca35826101d889570c82493

FormBook

Executable exe ba988eeaeef4b7e706308c40094dd0fe2146918e0386565cc2a14243e3f0aa69

(this sample)

  
Dropped by
MD5 f1fb26b2d0d3a12ee0f00dbebf99976b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22902/
  
Dropped by
SHA256 7983dba8ad5b0e2c711b758db8806fa7aed062acbca35826101d889570c82493

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