MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31722f3d1a54598132219b75acaf55170a94a67f26fea53e087c9845a3747380. 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: 6


Intelligence 6 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31722f3d1a54598132219b75acaf55170a94a67f26fea53e087c9845a3747380
SHA3-384 hash: 555386c67f83b002c73b4d69e7d41f28ac5fdacf38ae7e9441fdafce5452e43e1b96cc7201f43005376bd0b4038ddc53
SHA1 hash: b0a0dc82421388927babc0301b3a98980c8e8eb4
MD5 hash: 5da34ef10fd8b1c3299296cf07b28b22
humanhash: sink-romeo-alpha-mississippi
File name:PRE ALERT NOTICE.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:294'374 bytes
First seen:2023-01-19 11:55:28 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:aM5S5FuLwI7r2G1LejlaFecW7M+Td3pDFymaRikUoi5//GDjsca1gHrxdxV:x45Fk/32TlH9Vp0mMikJi53msyxV
TLSH T1ED5423D2EC3E9580F121192CAAE0493A61016DB455DEDA61DEBCB33931BC61643CA2F7
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: "David Jang / MNC <belinda@douchefilter.com>" (likely spoofed)
Received: "from wathknhz.douchefilter.com (wathknhz.douchefilter.com [92.52.217.174]) "
Date: "19 Jan 2023 03:53:53 -0800"
Subject: "RE: (AGENT) MNCA2301125 // (AI-2301-003) EXWORK AIRFREIGHT - ICN TO CGK - C/ PT MAJU MANDIRI UTAMA S/ DOOYANG TECH - ETD. JAN 2023"
Attachment: "PRE ALERT NOTICE.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
File Archive Information

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

File name:PRE ALERT NOTICE.exe
File size:451'614 bytes
SHA256 hash: 83b69ba3e48f2d9d8b9ae995bebb991672a808f47f13fb3a564686a68ddce528
MD5 hash: 1e665944358814c7a804f01e4f1d09f2
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3192.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.W32.Injector.ESNU.tr.27661.22723.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/31722f3d1a54598132219b75acaf55170a94a67f26fea53e087c9845a3747380/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c92fd3e4e81283f94e7af1/reports/e6c244b8-1a23-4a62-9bd5-a6cec4f54f7e/overview
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/31722f3d1a54598132219b75acaf55170a94a67f26fea53e087c9845a3747380
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31722f3d1a54598132219b75acaf55170a94a67f26fea53e087c9845a3747380/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-01-18 13:33:44 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gfzc6pi2krmycmrbtn22zl2vc4fjjjt7e37kkpqipsmeli3uooaa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230119-psb9xsfh49/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/31722f3d1a54598132219b75acaf55170a94a67f26fea53e087c9845a3747380

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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

zip 31722f3d1a54598132219b75acaf55170a94a67f26fea53e087c9845a3747380

(this sample)

Formbook

Executable exe 83b69ba3e48f2d9d8b9ae995bebb991672a808f47f13fb3a564686a68ddce528

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 83b69ba3e48f2d9d8b9ae995bebb991672a808f47f13fb3a564686a68ddce528
  
Dropping
Formbook
  
Dropping
MD5 1e665944358814c7a804f01e4f1d09f2

Comments