MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b
SHA3-384 hash: e074fc02a8493c78efd4c2b42d52cfc34b5e4c9692ef433ca7c7f532d29950c7a1e5df58adac8426910c70238753a292
SHA1 hash: 2fdf6b03b33dff67a01afb0dfb83a44fa9d62b49
MD5 hash: 1e7dab72d509f79416412dc3a5c6582a
humanhash: louisiana-seven-utah-quebec
File name:AR Invoice 7480803.docx
Download: download sample
Signature Formbook
Create hunting rule
File size:634'837 bytes
First seen:2026-02-27 16:52:30 UTC
Last seen:Never
File type:Word file docx
MIME type:application/octet-stream
ssdeep 12288:Hktl/NXlQBkUK1DvgdjqVVHDQJJZKKOoIUDZyvOJFu8LZGpm1/aYQStIdum2gPAz:ix6k71D4hkVHMBKKZDIvs5Mim2gPuWk
TLSH T143D4223B1AD03E3EE42D46B7A6433DB0B5468D07C2B0346516171BCC9C6A92F9A592FF
TrID 52.2% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4)
38.8% (.ZIP) Open Packaging Conventions container (17500/1/4)
8.8% (.ZIP) ZIP compressed archive (4000/1)
Magika docx
Reporter abuse_ch
Tags:docx FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted OLE packages, if they are present within the input OOXML document
Link:
https://research.acce.ciphertechsolutions.com/results/a7fb64dc-bcdc-4238-9d6e-64cb03e4dda9/
Malware family:
n/a
ID:
1
File name:
AR Invoice 7480803.docx
Verdict:
No threats detected
Analysis date:
2026-02-27 17:00:25 UTC
Tags:
generated-doc arch-doc
Link:
https://app.any.run/tasks/bf864715-14ed-410a-97f9-394a9867e784

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.wordprocessingml.document
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

MiscreantPunch.EXEInsideOfRTF.1.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.PKillDOCXEmbeddedHexyEXEAxelF.20210920.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31655.XmlHeur.v2.afchunk.rtf.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.PKILLOOXMLRelsAfChunkBannedFileEXT.20220427.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a1cbfb8fffa866e3b2d90b
Tags:
obfuscated extens obfus
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/69a1cbf797feb4afd65fc15a/reports/9a8d0b18-231b-4885-8429-bcb02e73e874/overview
Verdict:
Malicious
Labled as:
Application.Lazy.3632;Trojan.Generic.Generic
Link:
https://www.hybrid-analysis.com/sample/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b
Gathering data
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b
Verdict:
Malicious
File Type:
docx
Detections:
HEUR:Exploit.MSOffice.Generic Trojan-Spy.Win32.Noon.sb Trojan-Dropper.Win32.Injector.sb Trojan.Win64.Agent.sb Trojan.MSOffice.SAgent.sb Trojan.MSOffice.Agent.sb Exploit.MSOffice.CVE-2018-0802.b HEUR:Exploit.Win32.CVE-2017-11882.a HEUR:Exploit.MSOffice.CVE-2017-11882.b Trojan.Win32.Agent.sb HEUR:Trojan.Win64.Agent.gen Exploit.MSOffice.CVE-2017-11882.sb Backdoor.Win32.Androm.sb
Link:
https://opentip.kaspersky.com/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b/results?tab=lookup
Score:
92%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b
Threat name:
Document-RTF.Trojan.Etset
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 00:10:54 UTC
File Type:
Document
Extracted files:
50
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvz74jbnv3qygdszvchdlwyqjvcwqfi2yvh6xkv6ojdnwddldcnq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260227-vd2h6ag18b/
Behaviour
Checks processor information in registry
Enumerates system info in registry
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3573fe242dae/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/3573fe242daee1830e59a88e35db104d4568151ac54febaabe7246db0c6b189b

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:Embedded_RTF_File
Create hunting rule
Author:Nicholas Dhaeyer - @DhaeyerWolf
Description:Related to CVE-2023-36884. Hunts for any zip-like archive (eg. office documents) that have an embedded .rtf file, based on the '.rtf' extension of the file.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:MAL_RTF_Embedded_OLE_PE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious string often used in PE files in a hex encoded object stream
Reference:https://www.nextron-systems.com/2018/01/22/creating-yara-rules-detect-embedded-exe-files-ole-objects/
Rule name:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments