MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bf4012ff762873ef1d901dfe9ea9a43904fab5e26af1d8cf042b18f560bea8e. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 6bf4012ff762873ef1d901dfe9ea9a43904fab5e26af1d8cf042b18f560bea8e
SHA3-384 hash: 43dc557e378827856c907b15e164e0110de1c8b0a815e5177573e8c85f338c1cb86748177c32b5169a9cddb837a8c7d8
SHA1 hash: 2643fbfc5f6b78f238fd4edbab204c907d6463a4
MD5 hash: 9a72584fe74b42563a3b0452511f8e85
humanhash: nitrogen-connecticut-delta-quebec
File name:PI-HY241018MI14 K629.zip
Download: download sample
Signature Formbook
File size:641'590 bytes
First seen:2025-12-08 11:07:54 UTC
Last seen:2025-12-08 11:46:47 UTC
File type: zip
MIME type:application/zip
ssdeep 12288:xwNK95sJphBLprnJK0iS95xZa4jfjTr9EMe5Kn6ObHr5esX:OwKvjtrnk4BZpjfjThEMeSLr5e8
TLSH T14FD423576F8F438DA56D28E062CE2237D43E628D65D1488A36C63BEA7C78F3FD914484
Magika zip
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: "mila@huayi-hightech.com <mila@huayi-hightech.com>" (likely spoofed)
Received: "from huayi-hightech.com (unknown [172.245.12.77]) "
Date: "27 Nov 2025 02:11:57 -0800"
Subject: "PI-HY241018MI14 K629"
Attachment: "PI-HY241018MI14 K629.zip"

Intelligence


File Origin
# of uploads :
2
# of downloads :
89
Origin country :
CH CH
File Archive Information

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

File name:PI-HY241018MI14 K629.exe
File size:691'712 bytes
SHA256 hash: 4ffb20e1a907ba09b16385b701c037d5f8d62f3153be1ef80260e8fb7c6143a3
MD5 hash: 6859e87936c639b599311f2076f70838
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
stration shell spawn
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt packed snakekeylogger vbnet
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.
Verdict:
Malicious
File Type:
zip
First seen:
2025-11-27T04:31:00Z UTC
Last seen:
2025-11-27T07:01:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.43 Zip Archive
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-11-27 10:34:08 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution persistence rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
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.

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
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win32_dotnet_form_obfuscate
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

zip 6bf4012ff762873ef1d901dfe9ea9a43904fab5e26af1d8cf042b18f560bea8e

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments