MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419
SHA3-384 hash: a262a3448b9a32069a45be54b621f91a76787d2ace46d48afe8aa4a3a2cce1ed5d39d9cc70aab6ac51dbc7d028649718
SHA1 hash: 015f03391583bf6478312f6a38ecd6daf90ad1bb
MD5 hash: e7023b74e78af249fd40a8770e7bc878
humanhash: tennis-video-lima-cola
File name:putty.pdf.lnk
Download: download sample
File size:2'622 bytes
First seen:2025-10-23 06:02:25 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 24:8Ayw/BHYVKVWO+/CW8PIWXdd79dsrab7Z:8y5agwWXdJ9AaZ
TLSH T1A45159142EE50318F3B7CB7668BA6312897BB845CE718B8D009C46482B23215F4A9F6B
Magika lnk
Reporter abuse_ch
Tags:lnk

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28759.LnkHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30777.LnkHeur.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.LOLBinOddLookPSHELL.20220711.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.OddLook.202207213.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.Guinnesses.20220719.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.HTTPDottedQuadPolicykill.20220908.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.Guinnesses.20221102.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.Guinnesses.20221108.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.KingForADaypshell.20231121.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.SilverChairs4SilverBacks.20221114.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f920b83edd081eba40d847
Tags:
obfuscate xtreme sage
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419/results/dashboard
Payload URLs
URL
File name
http://84.200.80.22/puttystage.mp4
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 evasive masquerade powershell powershell
Link:
https://www.filescan.io/uploads/68f9c55fc85c5c5697334658/reports/3a9ad90c-b75a-4500-9f33-6ee90c3a75e5/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419
Verdict:
Malicious
File Type:
lnk
First seen:
2025-10-19T22:17:00Z UTC
Last seen:
2025-10-23T10:13:00Z UTC
Hits:
~100
Detections:
Trojan-Downloader.Agent.HTTP.C&C PDM:Trojan.Win32.Generic HEUR:Trojan.Multi.GenBadur.genw HEUR:Trojan.WinLNK.ZDI-CAN-25373.gen HEUR:Trojan.WinLNK.Agent.gen HEUR:Trojan.Multi.Powedon.a NetTool.PowerShellGet.HTTP.C&C NetTool.PowerShellUA.HTTP.C&C
Link:
https://opentip.kaspersky.com/921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1800333
Signature
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Uses an obfuscated file name to hide its real file extension (double extension)
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Yara detected LNK With Padded Argument
Behaviour
Behavior Graph:
Download SVG
Verdict:
Malware
YARA:
2 match(es)
Tags:
Batch Command Execution: CMD in LNK Execution: PowerShell in LNK LNK LOLBin LOLBin:powershell.exe Malicious PowerShell PowerShell Call T1059.001 T1059.003 T1202: Indirect Command Execution T1204.002
Link:
https://app.malva.re/file/e7023b74e78af249fd40a8770e7bc878
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419/
Verdict:
Malicious
Threat:
NetTool.PowerShellUA.HTTP
Link:
https://tip.neiki.dev/file/921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419
Threat name:
Shortcut.Trojan.WinLnk
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 02:22:56 UTC
File Type:
Binary
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sinpyeg6vhmrm5krspc7shkgh2mz7irofcf3byaxt3n2go2pwqmq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/251023-gskx3afx7f/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Badlisted process makes network request
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/921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419

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:Download_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:EXT_EXPL_ZTH_LNK_EXPLOIT_A
Create hunting rule
Author:Peter Girnus
Description:This YARA file detects padded LNK files designed to exploit ZDI-CAN-25373.
Reference:https://www.trendmicro.com/en_us/research/25/c/windows-shortcut-zero-day-exploit.html
Rule name:PS_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:SUSP_LNK_PowerShell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference to powershell inside an lnk file, which is suspicious
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

Shortcut (lnk) lnk 921afc10dea9d916755193c5f91d463e999fa22e288bb0e0179edba33b4fb419

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3683990/
  
Delivery method
Distributed via web download

Comments