MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0. 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


Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0
SHA3-384 hash: af6222e96eb3fb78ebe6ada14b3a3ab851cceb7363293acf36c69f0b9ce23c5a9b8f78ac7673e4a51559196a1efd69b1
SHA1 hash: 858e841b91f16d3567b133b3c90d01e0499d5169
MD5 hash: 8b8903b0e7b7a1a7f501277624bc7e6b
humanhash: delaware-oregon-delaware-oxygen
File name:Shell.Explorer.1-auto.rtf
Download: download sample
File size:5'543 bytes
First seen:2026-02-03 13:31:45 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 24:PKfzxds4Up/wVEZaxxUiUHEETlKCWlhvanHRvXDpRKbjfjY:IvYnOgEEAt3yxvTpRKXk
TLSH T12FB15E7870C64CB5F6E7C004289F7D2040F1F1DBDAC54AA063BCE630B9E5A9A5F49488
TrID 83.3% (.RTF) Rich Text Format (5000/1)
16.6% (.JSON) JSON object (generic) (1000/1)
Magika rtf
Reporter smica83
Tags:cve-2017-0199 CVE-2017-11882 CVE-2026-21509 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted component(s) such as package(s) and OLE files
Link:
https://research.acce.ciphertechsolutions.com/results/eae50d1c-767d-444b-b5c7-a0864af21de5/
Malware family:
n/a
ID:
1
File name:
Shell.Explorer.1-auto.rtf
Verdict:
No threats detected
Analysis date:
2026-02-03 13:32:54 UTC
Tags:
ole-embedded
Link:
https://app.any.run/tasks/de7eb9cd-b02d-4194-9d2e-75a215269c39

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.26291.RtfHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27291.RtfHeur.UNOFFICIAL
Create hunting rule

Rtf.Exploit.CVE_2026_21509-10059214-0
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

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

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6981f8f1183032faf3eeeb6f
Tags:
office small remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
DNS request
Creating a file
Searching for the window
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0
Verdict:
Malicious
File Type:
rtf
First seen:
2026-02-02T18:31:00Z UTC
Last seen:
2026-02-02T19:09:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.MSOffice.Generic
Link:
https://opentip.kaspersky.com/5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1862429
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office drops RTF file
Behaviour
Behavior Graph:
Download SVG
Score:
87%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0/
Verdict:
Malicious
Threat:
Exploit.MSOffice
Link:
https://tip.neiki.dev/file/5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0
Threat name:
Win32.Exploit.Tudimons
Create hunting rule
Status:
Malicious
First seen:
2026-02-03 13:37:38 UTC
File Type:
Document
Extracted files:
6
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l44xgj5owidrry3ex33b5c5nkb3xe4ekpun7kxmlqrixbru7hxqa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260203-qs8tkabx7d/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5f397327aeb20718e364bef61e8bad507772708a7d1bf55d8b845170c69f3de0

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: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

File information

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

Comments