MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee8472c23be3d80594d5f4a12f2dd6140b5996cc8220fd3befe62391def68038. 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 17 File information Comments

SHA256 hash: ee8472c23be3d80594d5f4a12f2dd6140b5996cc8220fd3befe62391def68038
SHA3-384 hash: cdfde0d19e08cba345ef80969a22ee1e867cc67288087b770d7d3fe79c91863b7c4fa5abfcf24b1cc098207a49824cd9
SHA1 hash: 0e5f00c645d8b83cf8367e54d8597bc7de46867f
MD5 hash: 00a8e19caa00d45915b2068bc75711c0
humanhash: three-steak-juliet-comet
File name:ET2321000550.zip
Download: download sample
Signature Formbook
File size:331'874 bytes
First seen:2023-10-03 07:05:15 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:UH0dTF9hw1R8jxWzNoQKGGz5rELCmwptGmwx6uxBCrmdcIPiMyRApgvpJg/:UH0xhwb5zNoQKGGNrELLwWj6NcKMyRDq
TLSH T1EB6422EC678F97CB250D58A7B75B3E1B8EC757E80C28D92B6904851E81C881B3921F3D
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Arvee International Pte Ltd" <cameroun@apremar.com>" (likely spoofed)
Received: "from apremar.com (unknown [45.137.22.113]) "
Date: "03 Oct 2023 05:08:28 +0200"
Subject: "F23/09-045B Shipment Detail (Sparsh Overseas (Sc No.230921/3)"
Attachment: "ET2321000550.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
CH CH
File Archive Information

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

File name:ET2321000550.exe
File size:346'350 bytes
SHA256 hash: 731884023aba6003836d2d19d064cb991b9e9cfe3c494fdb708ad30d32c4857b
MD5 hash: d4ca2be4fd05ff8e64a606443144b0ee
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Gathering data
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.Trojan.Znyonm
Status:
Malicious
First seen:
2023-10-03 01:47:33 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
17 of 34 (50.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ge58 persistence rat spyware stealer trojan
Behaviour
Modifies registry class
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
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Formbook payload
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: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:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

zip ee8472c23be3d80594d5f4a12f2dd6140b5996cc8220fd3befe62391def68038

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments