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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 299e207cc2b5de5a0e8335ec9fa9dc54967f8180a6db787235991be8da36b0b4. 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 11 File information Comments

SHA256 hash: 299e207cc2b5de5a0e8335ec9fa9dc54967f8180a6db787235991be8da36b0b4
SHA3-384 hash: b77bf10ada6cd78bf7341ddd7a9643e0c87bede0884cc56ceb01c631a1faabf65dbb1bd75dd849c0160fdc9e0988ee9a
SHA1 hash: d72712b325c374e08e492b67f7acb04e0d020d5c
MD5 hash: 0542ae83482a813ad7ea6f8bcd7f001e
humanhash: blue-vegan-november-quiet
File name:FacturaX22-2081761-pdf.rar
Download: download sample
Signature Formbook
File size:706'665 bytes
First seen:2026-10-28 10:47:45 UTC
Last seen:2026-10-28 10:48:09 UTC
File type: rar
MIME type:application/vnd.rar
ssdeep 12288:4y8AZe1VePugJaGIOQXZqhLWofOIM3BdV7tIDQtLpcoenl/Ja+Y47Be2PGd:eA01UoGgHon8tImPeHamlPG
TLSH T120E42348F9D97E31A9740DB90728E8823CDA953D19FB4A49191FCF13E096EE121C66FC
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter TomU
Tags:FormBook rar

Intelligence


File Origin
# of uploads :
3
# of downloads :
73
Origin country :
CH CH
File Archive Information

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

File name:OtV8Vm6Tftwcvy5.exe
File size:779'776 bytes
SHA256 hash: f813713233bd1beb4be5a65203b99b482c94b6305c4bda360bc1d356d1ce78fc
MD5 hash: 7cd76d389d2436ea4c9da92b60841156
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
virus micro msil
Verdict:
Malicious
File Type:
rar
First seen:
2026-10-22T12:54:00Z UTC
Last seen:
2026-10-27T05:48:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout Rar Archive SOS: 0.45
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-10-23 06:22:54 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
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:DotNet_RGB_Embedded_AssemblyLoader_Hunt
Author:ShadowOpCode
Description:Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading
Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:HUNT_NET_Loader_ImagePixel_To_AssemblyLoad
Author:Anish Bogati
Description:Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait
Author:Marjoriefort
Description:Detects Derialock (pe, etat extrait)
Rule name:WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)
Rule name:WIN_Sample_Unique_69354b41
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 299e207cc2b5de5a0e8335ec9fa9dc54967f8180a6db787235991be8da36b0b4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments