MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64335811f3d65455be2cb759ce21f0fe420abb4fa12ba4732606f18cd2cd9c92. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments

SHA256 hash: 64335811f3d65455be2cb759ce21f0fe420abb4fa12ba4732606f18cd2cd9c92
SHA3-384 hash: faead12728f6b0cbb614a14f4ac936b396e125b32ce7173652c47f7796e849d43456f96a42a3fed8b1185e641f1e6009
SHA1 hash: a41842ee909aeb1b06e010a03c4c7938c04d851f
MD5 hash: 5fa4afbff3be8ae360e491bf123f6c36
humanhash: edward-nitrogen-triple-four
File name:ORDER No. 201945.zip
Download: download sample
Signature Formbook
File size:748'147 bytes
First seen:2025-08-05 07:50:16 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:8D4SQecwjApj2kPH0ewCAf3CeLbdFMSoy18o9UzFRQvoXR7gUjB6Vdtl9lXv/Px:hecwjAVMU0BFMS1So92FRsWHM39lHp
TLSH T1BEF4233CE2157A84846F3CCB5AED3EA6788FDF32921E449F05EE61AD4E208376C56D44
Magika zip
Reporter cocaman
Tags:FormBook zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Madhusudanan Balakrishnan" <madhusudanan.b@petrofac.com>" (likely spoofed)
Received: "from petrofac.com (unknown [141.98.10.72]) "
Date: "05 Aug 2025 05:35:39 +0200"
Subject: "Updated Price List"
Attachment: "ORDER No. 201945.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
CH CH
File Archive Information

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

File name:ORDER No. 201945.exe
File size:869'376 bytes
SHA256 hash: ef2a54c5688d0e055fffd22394c168c81f80ec4a8ab33ceb87e70a6eddf97942
MD5 hash: 0dc0e153ff0d96dd3e163aa5577719b9
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
70%
Tags:
malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc 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: 0.45 Zip Archive
Threat name:
Win32.Trojan.Swotter
Status:
Malicious
First seen:
2025-08-04 18:27:33 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
15 of 38 (39.47%)
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 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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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 64335811f3d65455be2cb759ce21f0fe420abb4fa12ba4732606f18cd2cd9c92

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Formbook

Comments