MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa00f82fb3dd04417a278bc9362becdf39fcb3e4e23893327e16a8792334635f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa00f82fb3dd04417a278bc9362becdf39fcb3e4e23893327e16a8792334635f
SHA3-384 hash: b2d23d8afc7738f4b805acd4a376f2833ced17493d630cbf777f06fd13bad4b910e9b06b44ea71497ca671c5d648028d
SHA1 hash: 9d8bb3b343f1f380b799a16c38be6d546d3f7d00
MD5 hash: d42623d0669082db1713a751ef94fc68
humanhash: green-delaware-utah-montana
File name:Facturas.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:654'848 bytes
First seen:2020-07-08 09:46:32 UTC
Last seen:2020-07-08 11:14:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c6558f8c55c7046860294c7f6ce6c298 (14 x AgentTesla, 5 x FormBook, 3 x Loki)
ssdeep 12288:Kk7Yi4Xj/tQBWi/y67k86oxVOwBEwQ8hAaws6280KRus:H14/oDnsUgkPIL
Threatray 5'130 similar samples on MalwareBazaar
TLSH 20D4AE22F2A04433F12216399D5BF77C5936BE103A695A472BE45D4CAF383C239663B7
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: elastic03mx4.evalice.net
Sending IP: 116.202.116.248
From: Administracion <info@fedizseguros.com>
Reply-To: info@fedizseguros.com
Subject: Facturas
Attachment: Fr. 200002342.zip (contains "Facturas.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/23024/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Reading critical registry keys
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Possible injection to a system process
Creating a window
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa00f82fb3dd04417a278bc9362becdf39fcb3e4e23893327e16a8792334635f/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-08 09:48:08 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=viapql5t3ucec6rhrpetmk7m3447zm7e4i4jgmt6c2uhsizumnpq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
223bbe1af0d09289a1ebeddf78e3218fcae28d0a69c291d66fee5fa29337844a
FormBook
322427854deccec94e7331e8d3faa9f2701289b8e2faac322889c5b04d6b8f5e
FormBook
3259355435f9e6a9b041b93c2faa1ad8a3867de478a436606702593e4e130dd0
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52b517b0e9be1efed3349ff5b7e7e4a392881437d7bc9ccd7b94bbc23e28a2f9
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9570f894ec4059802c7b154a4b4dba22a57229a780b375c74a8a3107d9125bb4
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bbbfb4d66a6d1ff1fb9f476cc8607a2a0b1a0bb27bdaba095a3715489d8e4315
FormBook
bc7549c1281f3ce45abcaad7408522374c97421e9031998b7959bd5e59b27a93
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ceec91127018aba0be51981277015baf08e3f0ef6fbd0a5efe5821fa698ba645
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de4c63e318ebc447867be364c7a8d9250674a6449935a2eb12fae89543520485
FormBook
f9389b3ae99666514bbe467217ebd46597e6d2e919f105697a152afe1da73e18
FormBook
+ 5'120 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
persistence spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/200708-fq318vyhkn/
Behaviour
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Drops file in Program Files directory
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
Adds Run entry to start application
Reads user/profile data of web browsers
Deletes itself
Reads user/profile data of web browsers
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

File information

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

87153dc0bf5326a3fa11fa2f77fda569

FormBook

Executable exe aa00f82fb3dd04417a278bc9362becdf39fcb3e4e23893327e16a8792334635f

(this sample)

  
Dropped by
MD5 87153dc0bf5326a3fa11fa2f77fda569
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23024/

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