MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a361c3ef57783d4012857a289d088c19682187bb0b6f15eabb73865d1d54e180. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a361c3ef57783d4012857a289d088c19682187bb0b6f15eabb73865d1d54e180
SHA3-384 hash: 02a6530f746756390dd8ab9b081169d4e1132d731051795be40cbf3094881f27ae2cb2c33da2b94310930cde547ef957
SHA1 hash: e8a7ab8aea4ba52a5af377e4e77c983d9be2db7a
MD5 hash: 3b2135422ad7974f674d9e3afffa04e7
humanhash: romeo-sierra-video-eight
File name:payment invoice.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:183'296 bytes
First seen:2020-07-07 09:02:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:J3nNfZJ+lVAwW3BWm5BxVQTnbkGPBjNKNB4B3acMuYWjiL4SP7A04lHI3Cy:J3nqVAjxLBfQTbHBjNKNaB3acljifP7y
Threatray 4'520 similar samples on MalwareBazaar
TLSH B104AF32D541C070E2B241B5B67D0B7B883E0E343259A4E5E3E52AE16FA49E5F52E31F
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: mail0.605.wulongdimkim.casa
Sending IP: 165.227.52.208
From: Shabeer M. T <shabeermt@lamco.ae>
Subject: Re: Payment Assistance Due To Covid-19 Pandemic
Attachment: payment invoice.img (contains "payment 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/22104/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Banker1.29984.UNOFFICIAL
Create hunting rule

Win.Malware.Formbook-7399661-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Reading critical registry keys
DNS request
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser process
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a361c3ef57783d4012857a289d088c19682187bb0b6f15eabb73865d1d54e180/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 09:04:06 UTC
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=unq4h32xpa6uaeufpiuj2cemdfucdb53bnxrl2v3oodf2hku4gaa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
0f2473906fd34a74c861e8a2bd8461213b0b82b7b6242087f9597ad9f700dae9
FormBook
3e98d7f59e495ddfa5140a50f70347bb4a56296ca2dcb6602f65ebb4e4a0373b
FormBook
474cad642b1cf88f8d7f922cbfd9b8a00d7fc0eb40cafc0877007ee2884f105f
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590fde182a154cd89b15d88546d60351b9fecb51e04fbbf4affd8d49a618bd23
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6f827b68129d30609057c2e6b36be05649fce91d6bc8ee3d3566ca5c6aba562b
FormBook
7917f62cb4f64cd00ecd938bca8ce2bce08454813b608efca9dbac82aa9758c2
FormBook
8463a584e6cc9d88c4971255edb22b51b3b89a8b87fce207b80d1adf61d5fcce
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9b2c6f08cd9a4e3b144422de4d540290542ce50239f2c85697a036a461b25264
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aeba2896821a1bfff2ad0cdc5567445b473fadf42a2de3db8a2ff94438e73fc0
FormBook
d3664113994262962936ebe74d0355986970def0cd0bcdcf088fe102047df9ba
FormBook
+ 4'510 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
persistence spyware evasion trojan stealer family:formbook
Link:
https://tria.ge/reports/200707-ah3h2tcajj/
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Modifies Internet Explorer settings
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
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

File information

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

Malspam

FormBook

img b85dab6f01b2a8b407057d4c98fdfa7186d3b1c5e296209b4798eb2f7fa6d314

FormBook

Executable exe a361c3ef57783d4012857a289d088c19682187bb0b6f15eabb73865d1d54e180

(this sample)

  
Dropped by
MD5 f7e69eb20eb89c951dbb0acf9c131902
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22104/
  
Dropped by
SHA256 b85dab6f01b2a8b407057d4c98fdfa7186d3b1c5e296209b4798eb2f7fa6d314

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