MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e
SHA3-384 hash: cb4fb3d063c630ef3dfdcb02f4e5cb6c0aee312c777b9cd1bef3b5c293259183fad5a50ea2e49807e148c3a2dc0d0015
SHA1 hash: f44fff91d095032e7dc44fca8562e0a5bfdcda6f
MD5 hash: 4aa445b32d6090df7d8cd51a71fdbcf8
humanhash: jig-skylark-london-fifteen
File name:PAYMENT.r15
Download: download sample
Signature Formbook
Create hunting rule
File size:718'058 bytes
First seen:2025-10-14 07:54:27 UTC
Last seen:2025-10-14 07:54:57 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:hejKqPU7KiF7rwtx6ljbP8ko9ZINrYvEGg5rXkFBt3l69iMIEEv2W5:heNs7KiFrwtcVP8NZIN8vEGg5jkFTls8
TLSH T1D1E42389B04C96953E5F6D5CB9ABCB5A70A1B8B8C8F5ED94116138D40C894B0F03DDFE
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:FormBook payment r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "info@unigloexports.com" (likely spoofed)
Received: "from [178.16.52.147] (unknown [178.16.52.147]) "
Date: "13 Oct 2025 11:29:16 -0700"
Subject: "RE: Purchase Order - HOM-OS-20-25-813"
Attachment: "PAYMENT.r15"

Intelligence

File Origin
# of uploads :
3
# of downloads :
60
Origin country :
CH CH
File Archive Information

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

File name:PAYMENT.exe
File size:918'016 bytes
SHA256 hash: 6b99c4f6b8babd1543ea649610670d97754414f0ca42564205aa4b08ce8471b4
MD5 hash: bca874832fc3ea20b7f09deb4363f681
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68eca7d2777ae46bec42298e
Tags:
virus spawn shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet zero
Link:
https://www.filescan.io/uploads/68ee01e571883144ef35df55/reports/9d051ef8-d573-4174-89c8-82185de225ec/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e
Verdict:
Malicious
File Type:
rar
First seen:
2025-10-12T22:23:00Z UTC
Last seen:
2025-10-16T05:57:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e/results?tab=lookup
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout Rar Archive SOS: 0.25
Link:
https://app.malva.re/file/4aa445b32d6090df7d8cd51a71fdbcf8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e
Threat name:
Win32.Trojan.Suschil
Create hunting rule
Status:
Malicious
First seen:
2025-10-13 01:57:45 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=il63owwj7d5pgs6roigsnq2fr76x2wnvrkr2hgwi3l7djs6pseha._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251014-kcanyaez6d/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware

File information

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

Malspam

Formbook

rar 42fdb75ac9f8faf34bd1720d26c3458ffd7d59b58aa3a39ac8dafe34cbcf910e

(this sample)

Formbook

Executable exe 6b99c4f6b8babd1543ea649610670d97754414f0ca42564205aa4b08ce8471b4

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 6b99c4f6b8babd1543ea649610670d97754414f0ca42564205aa4b08ce8471b4
  
Dropping
Formbook
  
Dropping
MD5 bca874832fc3ea20b7f09deb4363f681

Comments