MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d
SHA3-384 hash: 530508eca9262bccaaf78669a682a331e3d08e2737daf5716e2ee932432c581db8f7e2705c87f948064b1a1a95495b39
SHA1 hash: 3ae96019bf7aee237b48d26955e31135cbedfddb
MD5 hash: 0fed53195c8c45344347f170592f3b97
humanhash: spaghetti-zebra-freddie-glucose
File name:Purchase order.r15
Download: download sample
Signature Formbook
Create hunting rule
File size:699'673 bytes
First seen:2025-10-16 09:10:34 UTC
Last seen:2025-10-16 09:20:37 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:NdZNnV0pjFBjQn4mTyDx1MW1ldJ6heKVOQRdxGvI5dL8e5Q20rler390A/QdRlJ:N3hV0yDWzMW5krWAYe5aq39t/Qdh
TLSH T104E423A394ECF449FF926D8E2D73CAF8BAC4E488E8C3D197912B46915B7C213150916F
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:FormBook r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "purchase@holmarc.com" (likely spoofed)
Received: "from [178.16.52.147] (unknown [178.16.52.147]) "
Date: "14 Oct 2025 19:28:11 -0700"
Subject: "RE: Purchase Order - HOM-OS-20-25-813"
Attachment: "Purchase order.r15"

Intelligence

File Origin
# of uploads :
4
# of downloads :
77
Origin country :
CH CH
File Archive Information

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

File name:Purchase order (2).exe
File size:744'448 bytes
SHA256 hash: 53e3d40438281dbf5e1134d15416f086775173aa7cbdfaa7b85465bf8480cddc
MD5 hash: 3ce744a5f39094e4dffeb757db3d9197
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=68ee56d697a16d00a8d9e003
Tags:
virus spawn shell
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/68f0b6a3df5cb32bf1ef990c/reports/82339009-7cc4-47f6-b057-76bb9cb79613/overview
Verdict:
Malicious
Labled as:
Trojan.U.FormBook
Link:
https://www.hybrid-analysis.com/sample/46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d
Verdict:
Malicious
File Type:
rar
First seen:
2025-10-14T03:57:00Z UTC
Last seen:
2025-10-18T02:54:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d/results?tab=lookup
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout Rar Archive SOS: 0.50
Link:
https://app.malva.re/file/0fed53195c8c45344347f170592f3b97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 08:59:08 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iytganrembsmnb3akuvuzrdjqyxztna4gcwdt5fl3ijq7xdpc6oq._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/251016-k7j6vswzgw/
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/46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d

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: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 46266036246064c68760552b4cc469862f99b41c30ac39f4abda130fdc6f179d

(this sample)

Formbook

Executable exe 53e3d40438281dbf5e1134d15416f086775173aa7cbdfaa7b85465bf8480cddc

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 53e3d40438281dbf5e1134d15416f086775173aa7cbdfaa7b85465bf8480cddc
  
Dropping
Formbook
  
Dropping
MD5 3ce744a5f39094e4dffeb757db3d9197

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