MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb
SHA3-384 hash: f64497480afe0d623dfb575cac28654598ea387427b264f12ca7f8f0df35993247a7a3db752743f506068c0b4e71d4d5
SHA1 hash: cf6e318cf5fc740de3da6fdbc00cbe242dd986af
MD5 hash: 58876408bc1f1d0c0872d1641a3af7d5
humanhash: timing-utah-river-india
File name:PRE ALERT NOTICE.zip
Download: download sample
Signature Formbook
Create hunting rule
File size:228'446 bytes
First seen:2023-07-04 06:56:31 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:EpU8PLhQwItFTtycQJe+TGXO7t4I3Nc3P6PZ5rs:+PLuwItdtBzO4iSCx5g
TLSH T14724221421FF6A376F9E4A586DEB393079F0AD8F27F5C1C8E24166FF8884664D08190B
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: "sourcing26<sourcing26@zhi-chuan.com>" (likely spoofed)
Received: "from [45.12.253.71] (unknown [45.12.253.71]) "
Date: "4 Jul 2023 00:07:15 +0200"
Subject: "=?UTF-8?B?UFJFLUFMRVJUIFNPI1NaUEE1OTI5MTcwMCAgSk9CI1NaWUMyMzAyMDY3Oe+8mkZPQiAvLyBTaGVuemhlbiB0byBJQ0QgVEtEIC8vICAxKjIwR1AgLy8gVG8gQWpheSBQb2x5IFB2dCBsdGQ=?="
Attachment: "PRE ALERT NOTICE.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:PRE ALERT NOTICE.exe
File size:243'267 bytes
SHA256 hash: fa3a477577604a91938f7650b04d3dfaa1d8ec12578d3bb2618817529c8b5797
MD5 hash: d7dce4a617bf4fd2c8a461c8100d0875
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3462.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20230703-1234.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64a3c2bdfec95302e263363a/reports/18828e13-3a61-46d3-bc07-69842f59b25d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb
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/550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-07-03 16:27:56 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kuaffiaehvmsprikaquta7hvwj47vi47z3imvuvojrt6ndt5bd5q._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s28y rat spyware stealer trojan
Link:
https://tria.ge/reports/230704-htsvqsbd79/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
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/550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

zip 550052a0043d5927c50a0429307cf5b279faa39fced0cad2ae4c67e68e7d08fb

(this sample)

Formbook

Executable exe fa3a477577604a91938f7650b04d3dfaa1d8ec12578d3bb2618817529c8b5797

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 fa3a477577604a91938f7650b04d3dfaa1d8ec12578d3bb2618817529c8b5797
  
Dropping
Formbook
  
Dropping
MD5 d7dce4a617bf4fd2c8a461c8100d0875

Comments