MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ef397f325081c95cf955982b820684a4f506bfc12d281b6423ca8a4d0140b93. 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

SHA256 hash: 7ef397f325081c95cf955982b820684a4f506bfc12d281b6423ca8a4d0140b93
SHA3-384 hash: 9bf57c2dc4ec7ce2b90b9ef8ca828c1f0c24ea123d46424ed346b0668709ac29254655a6b9fdb6d072c33a335fe6c879
SHA1 hash: d2ebc1ead70dd8cb19e634a7c4eabb866286b7d9
MD5 hash: 751b07e49af55d9368d2aec61fa8bad9
humanhash: fourteen-eight-magazine-cup
File name:New_PO00002030303.exe
Download: download sample
Signature Formbook
File size:804'864 bytes
First seen:2020-07-08 12:53:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:Tfmgwwbw3+7FJ5QnjNd2nME7xk72ChKlXwsHZ/WNNxyhKlXwsHZ/WNNxBD:jBJQKnG72CslhtW4slhtWrD
Threatray 5'431 similar samples on MalwareBazaar
TLSH 4105BF31B7B18A05D73E4F36D96242009EBAAD676E06E68F5EC831ED0C777442A53B07
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: sip2-191.nexcess.net
Sending IP: 104.207.255.152
From: Irene Araza <aed@tidubai.com>
Subject: Re: Re: Proforma Invoice
Attachment: New_PO00002030303.zip (contains "New_PO00002030303.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching the process to change network settings
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Creating a file
Launching a process
Possible injection to a system process
Unauthorized injection to a system process
Deleting of the original file
Enabling autorun
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-08 12:55:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
persistence trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Deletes itself
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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

9a38ce589378ffd2b6e6f979fd886df1

Formbook

Executable exe 7ef397f325081c95cf955982b820684a4f506bfc12d281b6423ca8a4d0140b93

(this sample)

  
Dropped by
MD5 9a38ce589378ffd2b6e6f979fd886df1
  
Delivery method
Distributed via e-mail attachment

Comments