MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24. 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


MuckStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24
SHA3-384 hash: e629b4a740b40e215320b5403dbef86e6280748743feef2f6f964986aac22ffb308aee11a8b8f3ae4f3dc0f3e2a84da3
SHA1 hash: e231ed62fbf24e8ca91516f95e668eeaf1754595
MD5 hash: 84492dfda6a080fab81d7584ceba6d3a
humanhash: cardinal-berlin-emma-green
File name:Conference Proceedings.txt.lnk
Download: download sample
Signature MuckStealer
Create hunting rule
File size:68'956 bytes
First seen:2025-11-16 14:22:18 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 1536:4u7ZmAG4NYhNQ8Qgz493y+AK0/MXwXJyNaOa2yW45E2mmUaD:4u7N+Qg0ErK0/MXw5b2yRmmND
TLSH T1E063E1288FE1C904D5B299B6C11395AB4463FE262C7298D460FD862D1B53D49FC34F7E
Magika lnk
Reporter smica83
Tags:lnk MuckStealer

Intelligence

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

Sanesecurity.Malware.32317.LnkHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30774.LnkHeur.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD._OUTFILE.220426B64.6.UNOFFICIAL
Create hunting rule

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

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

TwinWave.EvilLNK.OddLook.20221214.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.LavenderBones.20240515.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.HotMetalDobermans.20240516.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6919de21bdb0ec3a9dc254af
Tags:
xtreme virus shell
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autorun base64 dropper evasive expand lolbin masquerade overlay powershell powershell
Link:
https://www.filescan.io/uploads/6919de1f3fa8f7a167b40654/reports/b118ae70-6416-4bb3-95ed-dbce37ffcb0a/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24
Verdict:
Malicious
File Type:
lnk
First seen:
2025-11-10T22:43:00Z UTC
Last seen:
2025-11-17T10:20:00Z UTC
Hits:
~10
Detections:
Trojan.WinLNK.Agent.sb HEUR:Trojan.WinLNK.ZDI-CAN-25373.gen HEUR:Trojan.WinLNK.Powecod.e HEUR:Trojan.WinLNK.Agent.gen HEUR:Trojan.Multi.Powecod.e HEUR:Trojan.Multi.Powecod.a
Link:
https://opentip.kaspersky.com/c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24/results?tab=lookup
Result
Threat name:
Python Stealer, Muck Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1814887
Signature
Found pyInstaller with non standard icon
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Suspicious powershell command line found
Uses an obfuscated file name to hide its real file extension (double extension)
Windows shortcut file (LNK) starts blacklisted processes
Yara detected Generic Python Stealer
Yara detected LNK With Padded Argument
Yara detected Muck Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814887 Sample: Conference Proceedings.txt.lnk Startdate: 16/11/2025 Architecture: WINDOWS Score: 100 36 gitlab.com 2->36 38 discord.com 2->38 50 Malicious sample detected (through community Yara rule) 2->50 52 Windows shortcut file (LNK) starts blacklisted processes 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 8 other signatures 2->56 8 powershell.exe 17 33 2->8         started        13 svchost.exe 1 1 2->13         started        15 OpenWith.exe 18 6 2->15         started        signatures3 process4 dnsIp5 42 gitlab.com 172.65.251.78, 443, 49713 CLOUDFLARENETUS United States 8->42 34 C:\Users\user\AppData\Local\...\VGQ4Oksv.exe, PE32+ 8->34 dropped 58 Found suspicious powershell code related to unpacking or dynamic code loading 8->58 60 Powershell drops PE file 8->60 17 VGQ4Oksv.exe 111 8->17         started        21 conhost.exe 1 8->21         started        44 127.0.0.1 unknown unknown 13->44 file6 signatures7 process8 file9 26 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 17->26 dropped 28 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 17->28 dropped 30 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 17->30 dropped 32 69 other malicious files 17->32 dropped 46 Multi AV Scanner detection for dropped file 17->46 48 Found pyInstaller with non standard icon 17->48 23 VGQ4Oksv.exe 17->23         started        signatures10 process11 dnsIp12 40 discord.com 162.159.136.232, 443, 49723 CLOUDFLARENETUS United States 23->40
Verdict:
Malware
YARA:
3 match(es)
Tags:
Batch Command DeObfuscated 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/84492dfda6a080fab81d7584ceba6d3a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24/
Verdict:
Malicious
Threat:
Trojan.Multi.Powecod
Link:
https://tip.neiki.dev/file/c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24
Threat name:
Shortcut.Trojan.Pantera
Create hunting rule
Status:
Malicious
First seen:
2025-11-11 17:05:14 UTC
File Type:
Binary
Extracted files:
1
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zg3dyyefmve2vy4zclhqmbamxv6e5yu5qyrvjaxiguwd2nkez4sa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access defense_evasion discovery execution pyinstaller spyware stealer
Link:
https://tria.ge/reports/251116-rpqdgsep2w/
Behaviour
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Detects Pyinstaller
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c9b63c608565/report/overview.html
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/c9b63c60856549aae39912cf06040cbd7c4ee29d86235482e8352c3d3544cf24

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:Detect_Remcos_RAT
Create hunting rule
Author:daniyyell
Description:Detects Remcos RAT payloads and commands
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:LNK_sospechosos
Create hunting rule
Author:Germán Fernández
Description:Detecta archivos .lnk sospechosos
Rule name:Long_RelativePath_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies shortcut (LNK) file with a long relative path. Might be used in an attempt to hide the path.
Rule name:PS_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
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.

Comments