MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8638f083c98bd295705f0e563077726a72ef319635d4211e84df369cec98230. 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 9 File information Comments

SHA256 hash: f8638f083c98bd295705f0e563077726a72ef319635d4211e84df369cec98230
SHA3-384 hash: bf2fa71885ac0ee4bdee42554d2494e58fd817513738c4c1a844dcc5482c1e24dd0de56bdc90b916e513bc8d1be497f8
SHA1 hash: 6b90db70c4e91cd6ea2597718d7375521a80b555
MD5 hash: 0ae44f7e128f8f719d79a5404e84d7b3
humanhash: connecticut-king-autumn-mike
File name:Enquiry 1525.zip
Download: download sample
Signature Formbook
File size:689'165 bytes
First seen:2025-07-18 06:54:35 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:BCDI3S1r09Ob0iy+c7NArPhP1vYdHerYDwNu5YIDVUGn5TxzKUFJyX:YrrYX2PLAd+rYkdWJ5ThdFJA
TLSH T1A9E4335EA88A234D2F4E4F95F2B05A7778399DE10921A5B25130F838079D4F1DE1FCA3
Magika zip
Reporter cocaman
Tags:FormBook Shipping zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Purchase Caloric" <Purchase@caloric-shipping.com>" (likely spoofed)
Received: "from caloric-shipping.com (unknown [141.98.10.26]) "
Date: "18 Jul 2025 02:33:53 +0200"
Subject: "UPDATED PRICE LIST 2025"
Attachment: "Enquiry 1525.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
25
Origin country :
CH CH
File Archive Information

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

File name:Enquiry 1525.exe
File size:766'976 bytes
SHA256 hash: 50bee81de3e9e73ef381e154620e5e81a3e8aa2d62ae88efca8e56d27feaf1a0
MD5 hash: d3d40a99751c1f6b3c90efb533adf324
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
small remo hype
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet zero
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:
inconclusive
YARA:
3 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.01 Zip Archive
Verdict:
Malicious
Threat:
ByteCode-MSIL.Trojan.SpyNoon
Threat name:
ByteCode-MSIL.Infostealer.Pony
Status:
Malicious
First seen:
2025-07-17 12:23:00 UTC
File Type:
Binary (Archive)
Extracted files:
13
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 f8638f083c98bd295705f0e563077726a72ef319635d4211e84df369cec98230

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments