MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 263462d86535967bddee75eed15d3e069942b2bc839102bc5afd4b4ea69ab9bf. 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: 263462d86535967bddee75eed15d3e069942b2bc839102bc5afd4b4ea69ab9bf
SHA3-384 hash: 8aa9cc0ccf1249ac8d0f8e7b4578dda2e373fdc26776fcf065470c7f3233ff7a72324eabaf840dee52e148a4526c4e9d
SHA1 hash: eab3d13a818a38fdc9bdf4f5049dcb97bca1477c
MD5 hash: 6f22414b434f8fcbd90efaedd544f67b
humanhash: beryllium-burger-lima-neptune
File name:Invoice.exe
Download: download sample
Signature FormBook
File size:264'704 bytes
First seen:2020-06-25 14:23:41 UTC
Last seen:2020-06-25 14:52:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3943eb7af04f89fcf0f01c53fa405be0 (1 x FormBook)
ssdeep 6144:lRfB20Oy/kHDVp/e/OWSrKpwk69+OXn9x:/fhO/jVk/OTmm9d9x
Threatray 3'553 similar samples on MalwareBazaar
TLSH 1744D019A47E8871E016973E8D39DE53CC5BFC1690F61166BAF0F26DBC74294882E3D2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: rendsy.xyz
Sending IP: 165.227.194.49
From: Mhd. Faisal Alnus <office@rendsy.xyz>
Subject: AW:AW:AW:
Attachment: Muhnmet invoice.rar (contains "Invoice.exe")

Intelligence


File Origin
# of uploads :
3
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Threat name:
Win32.Trojan.Kryptik
Status:
Malicious
First seen:
2020-06-25 14:23:38 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
persistence evasion trojan spyware stealer family:formbook
Behaviour
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
System policy modification
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
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
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.

eb2aa9e060191ea71e192cbb14ed7e8c

FormBook

Executable exe 263462d86535967bddee75eed15d3e069942b2bc839102bc5afd4b4ea69ab9bf

(this sample)

  
Dropped by
MD5 eb2aa9e060191ea71e192cbb14ed7e8c
  
Delivery method
Distributed via e-mail attachment

Comments