MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89ba4e29870ba699521a6996967a1b7cd8c354bc09b53eb7ef7f0d6c8b03ae1d. 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 9 File information Comments

SHA256 hash: 89ba4e29870ba699521a6996967a1b7cd8c354bc09b53eb7ef7f0d6c8b03ae1d
SHA3-384 hash: 75f10afb3bb4c61026257dde0de2351ac270cc20fccf8ce45dd1d70380bf4ceacde89275960fbff94c353f9cabae2b78
SHA1 hash: 1412c1d2ad4226c76a04a832aa671423e02e4d72
MD5 hash: 107f0c7e6584c4acbab4b4ee93ad4c31
humanhash: uniform-eighteen-single-skylark
File name:SWIFT90097654.PDF.zip
Download: download sample
Signature Formbook
File size:1'038'485 bytes
First seen:2026-07-24 12:17:01 UTC
Last seen:2026-07-24 12:38:04 UTC
File type: zip
MIME type:application/zip
ssdeep 24576:UzBVVtLnYLBrPqvnvK0m2zBT+N2Stjo6yQN0:GLSrCPvlZeHFtN0
TLSH T1A62533949703219622FAE7388B7870485449AE94C1FD684EB9BD4E83EF6D1C5932F70F
Magika zip
Reporter TomU
Tags:FormBook zip

Intelligence


File Origin
# of uploads :
2
# of downloads :
100
Origin country :
CH CH
File Archive Information

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

File name:SWIFT90097654.PDF.exe
File size:1'133'568 bytes
SHA256 hash: 537b51a091c4176254ab69a08eec14183d44c868cf9c43666caddcaf2843d24f
MD5 hash: 0526be67da8581b2acf18d065db0f899
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Verdict:
Malicious
File Type:
zip
First seen:
2026-07-09T06:46:00Z UTC
Last seen:
2026-07-24T10:22:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.30 Zip Archive
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-07-09 15:31:51 UTC
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
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: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: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 89ba4e29870ba699521a6996967a1b7cd8c354bc09b53eb7ef7f0d6c8b03ae1d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments