MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3
SHA3-384 hash: 0c457f4a87d320d3af2f5d6bacd431ae9709d9d70d8f393020071f465dbf76db20867663fa226881804076eccdf3dd47
SHA1 hash: e22ee40e37092640a20cd59b818c3edeb8bdc080
MD5 hash: b17d74af27b1387b187aee5e73528f0f
humanhash: minnesota-oven-friend-louisiana
File name:purchase order.r15
Download: download sample
Signature Formbook
Create hunting rule
File size:701'310 bytes
First seen:2025-10-14 06:38:40 UTC
Last seen:2025-10-14 06:39:08 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:U7BhYrbZqHKYY66WKMA+pZiMnTpEdXedswMoD41sXC3ubg1:uSbUHKYSWKoXiXXedo2Cebw
TLSH T127E42398E0F37801D57FAB8F29C4554C2F9B055B018A7FBE3B7924D73D20E554A4EA22
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 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 14:35:42 -0700"
Subject: "RE: Purchase Order - HOM-OS-20-25-813"
Attachment: "purchase order.r15"

Intelligence

File Origin
# of uploads :
3
# of downloads :
57
Origin country :
CH CH
File Archive Information

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

File name:purchase order.exe
File size:763'904 bytes
SHA256 hash: 44eb0ca230176e7653e8287dac64b16e4cfde7088635498e52d802d8a3dcb7e9
MD5 hash: c2cd239bc23861e9a4bdaa53659d3715
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=68edf02b04e22ce9acd9c978
Tags:
virus spawn shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap krypt lolbin masquerade msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego unsafe vbc vbnet zero
Link:
https://www.filescan.io/uploads/68edf029fe81c560ba586dda/reports/ef607ac7-c8bd-41a2-bec7-18a1a9af7d87/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3
Verdict:
Malicious
File Type:
rar
First seen:
2025-10-13T22:54:00Z UTC
Last seen:
2025-10-16T03:04:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3/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: 0.35
Link:
https://app.malva.re/file/b17d74af27b1387b187aee5e73528f0f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 02:51:40 UTC
File Type:
Binary (Archive)
Extracted files:
18
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eai5ib3u5iw5ud7ajnrrdhrr2akg625gxynzzx7rdi5kvuzxkgzq._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-hg67laxta1/
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/2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 2011d40774ea2dda0fe04b63119e31d0146f6ba6be1b9cdff11a3aaad33751b3

(this sample)

Formbook

Executable exe 44eb0ca230176e7653e8287dac64b16e4cfde7088635498e52d802d8a3dcb7e9

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 44eb0ca230176e7653e8287dac64b16e4cfde7088635498e52d802d8a3dcb7e9
  
Dropping
Formbook
  
Dropping
MD5 c2cd239bc23861e9a4bdaa53659d3715

Comments