MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59d1d791b7fa9ee1614c83e54a56e0ef4f028027696a06087d1c587f02e1a4ac. 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: 59d1d791b7fa9ee1614c83e54a56e0ef4f028027696a06087d1c587f02e1a4ac
SHA3-384 hash: 79efbed5d1a53d03d452e4f19d7e0c7abaa73840f9d690d187a7ffa54851d534914f0d0234835b800369d7f5c9060c21
SHA1 hash: e2695fb0884455889e720c4fecce6fed4950a135
MD5 hash: 5db757b5513e230d3e64206a6973eca1
humanhash: yankee-hamper-uniform-pasta
File name:Purchase order-077.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:763'904 bytes
First seen:2020-07-08 05:47:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2XBMmU+BHtCOuhKlXwsHZ/WNNx/614OT4FBib3pQUGVGrMLwWhKlXwsHZ/WNNxf5:2xJU+xBuslhtWds4OvF70GIMWslhtWB5
Threatray 5'179 similar samples on MalwareBazaar
TLSH 68F4BE3BA6637E8BCB3E0EF4A16955004FF519933205D3D8AEC168FA88D07945FC2676
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: ngay7.localdomain
Sending IP: 45.127.62.195
From: Gustav Ernstmeier GmbH <dayton@benhouse.com>
Subject: Order Confirmation no. MW951S2, Customer order no. 077
Attachment: Purchase order-077.pdf.gz (contains "Purchase order-077.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22795/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
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/59d1d791b7fa9ee1614c83e54a56e0ef4f028027696a06087d1c587f02e1a4ac/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-08 03:07:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lhi5penx7kpocykmqpsuuvxa55hqfabhnfvamcd5drmh6axbuswa._file
Verdict:
malicious
Similar samples:
179043e8eb7c06144c67f58b2c2900ad10303862c0e5cd7e1fe5a4faf853f103
FormBook
1acd132956421229e7c8fabb1001381956ff135d042b339f2871763498896d9e
FormBook
52f217cdebe83217297bedc352fac2e475e293e6cad52a1335b3641eeb8c412b
FormBook
5ea463243b051351c219469515fb9b39d01c5c3c4f4698bd6164e36070622d35
FormBook
6dcf4557563343e881daf4b7d7b01e372457cee637ac001a1102a2e67a69cbf8
FormBook
9d545cae8b73e11800aaf794b2919bb8972511e4e217eaf1a51c3f38c17bb412
FormBook
9daa8e87928b88143b9482b989764524754c86d142027ccaad1fc452f52c1765
FormBook
b1ab330d8407adbc0731fd66b869bca53515ccf732d1ad498515e5e04f993de4
FormBook
caa7022466e74a4587259d437a1aadfb3063e58b91b560b242e36f9d9f08c8a4
FormBook
de5eead1472726c48bab2f8551a161fea3ccd71ee11b4df8e89aa5b9874832a3
FormBook
+ 5'169 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
spyware trojan stealer family:formbook persistence
Link:
https://tria.ge/reports/200708-2smmkja3qs/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious behavior: MapViewOfSection
System policy modification
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
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

gz 4894673038c422547aac401e1cfb76f8f9848aa903b3e7992e386686fea0acd8

FormBook

Executable exe 59d1d791b7fa9ee1614c83e54a56e0ef4f028027696a06087d1c587f02e1a4ac

(this sample)

  
Dropped by
MD5 f5e6e691897ea6965b7889f6729eb8b3
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22795/
  
Dropped by
SHA256 4894673038c422547aac401e1cfb76f8f9848aa903b3e7992e386686fea0acd8

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