MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 499f329c735220546972d4eb559240df201a030439390281d0eb37ed2b0653d6. 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 14 File information Comments

SHA256 hash: 499f329c735220546972d4eb559240df201a030439390281d0eb37ed2b0653d6
SHA3-384 hash: 29897789dc7c4a4d78ce441eb09a7b0ca35f1191c01fb03f9fe11ad9ffe1872cb0f335d73e102b12823e6f9f63e1dd6d
SHA1 hash: 547de9a83030d5fba39e253f46fe90e45b08fce3
MD5 hash: 102e780d91fbcc503dcf615d962a4edf
humanhash: crazy-london-sad-floor
File name:PURCHASE ORDER.zip
Download: download sample
Signature Formbook
File size:418'827 bytes
First seen:2023-10-02 07:26:07 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:AlPY+HfQpPjEmwp0gFmaDFE+griCAc/G8TQTABd24whsO:AlbHfAIHd1yR5QTABd24pO
TLSH T1FB94232B0322FCF0DDB7E121F96A959704BA673B112917BD2581353CB32723483A65DE
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook INVOICE zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Mohammed Usman <info@tehranpouya.com>" (likely spoofed)
Received: "from [194.180.49.66] (unknown [194.180.49.66]) "
Date: "2 Oct 2023 07:40:38 +0200"
Subject: "Revise Invoice to Euro Currency"
Attachment: "PURCHASE ORDER.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
97
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:PURCHASE ORDER.exe
File size:602'940 bytes
SHA256 hash: 4c55b72d6382b77ef4ba16dbb46b590e0db7a4aa888ddb82e73936e0623f9102
MD5 hash: 9405e8f46d4b384d9bf72a25e809d3d2
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Threat name:
Win32.Ransomware.Znyonm
Status:
Malicious
First seen:
2023-10-02 04:40:44 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_cannon_auto
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

zip 499f329c735220546972d4eb559240df201a030439390281d0eb37ed2b0653d6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments