MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84. 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


XWorm


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84
SHA3-384 hash: 29db6f1c41d579bf494dbb778a52f8df584877415cf57035c352c434625f306bc95002d30b081f3a34cd8cb3a34afc6a
SHA1 hash: cb36f4be293daf5dc81c59c46c0395c2eed55bfc
MD5 hash: a7bc5b7bb43e6241c7f2b3a88474201b
humanhash: ceiling-hotel-zebra-maryland
File name:Stgna.pdf.lnk
Download: download sample
Signature XWorm
Create hunting rule
File size:2'878 bytes
First seen:2025-09-06 06:56:54 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 24:8Ayw/BHYVKVWO+/CWY9qmOMtXKGlUdd79dsH3k:8y5aqqhMt6GedJ9
TLSH T1A95107395EE60324E2B2DB7658BA6312B8377C45FA318A4D00CD47445763615F4E4F6F
Magika lnk
Reporter abuse_ch
Tags:lnk xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
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.Guinnesses.20221102.UNOFFICIAL
Create hunting rule

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bbdbd7eb163e0ec184eade
Tags:
n/a
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive masquerade
Link:
https://www.filescan.io/uploads/68bbdd0c37c25fcf12d57c73/reports/7f78929d-b2d8-4097-ad52-90ecc5b3ff9a/overview
Verdict:
Malicious
Labled as:
LNK/Autorun.Generic
Link:
https://www.hybrid-analysis.com/sample/41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84
Verdict:
Malicious
File Type:
lnk
First seen:
2025-09-05T17:23:00Z UTC
Last seen:
2025-09-05T17:23:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.WinLNK.ZDI-CAN-25373.gen HEUR:Trojan.WinLNK.Agent.gen HEUR:Trojan.Multi.Agent.gen
Link:
https://opentip.kaspersky.com/41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1772260
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Suricata IDS alerts for network traffic
Suspicious execution chain found
Uses an obfuscated file name to hide its real file extension (double extension)
Windows shortcut file (LNK) starts blacklisted processes
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LNK With Padded Argument
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772260 Sample: Stgna.pdf.lnk Startdate: 06/09/2025 Architecture: WINDOWS Score: 100 46 x1.i.lencr.org 2->46 48 i.ibb.co 2->48 50 5 other IPs or domains 2->50 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 14 other signatures 2->70 11 powershell.exe 20 2->11         started        signatures3 process4 signatures5 74 Windows shortcut file (LNK) starts blacklisted processes 11->74 76 Encrypted powershell cmdline option found 11->76 78 Suspicious execution chain found 11->78 80 Powershell drops PE file 11->80 14 powershell.exe 37 11->14         started        17 conhost.exe 1 11->17         started        process6 signatures7 90 Windows shortcut file (LNK) starts blacklisted processes 14->90 92 Encrypted powershell cmdline option found 14->92 94 Loading BitLocker PowerShell Module 14->94 19 powershell.exe 17 20 14->19         started        22 curl.exe 1 14->22         started        25 MpCmdRun.exe 14->25         started        process8 dnsIp9 44 C:\Users\user\AppData\Local\Temp\Tabls.exe, PE32 19->44 dropped 27 Tabls.exe 15 3 19->27         started        31 Acrobat.exe 61 19->31         started        56 agriculture-lawyer.com 172.67.137.253, 443, 49689, 49693 CLOUDFLARENETUS United States 22->56 58 127.0.0.1 unknown unknown 22->58 33 conhost.exe 25->33         started        file10 process11 dnsIp12 62 i.ibb.co 45.43.142.2, 443, 49694 CLOUD-SOUTHUS United States 27->62 82 Antivirus detection for dropped file 27->82 84 Multi AV Scanner detection for dropped file 27->84 86 Writes to foreign memory regions 27->86 88 3 other signatures 27->88 35 InstallUtil.exe 27->35         started        39 AcroCEF.exe 31->39         started        signatures13 process14 dnsIp15 52 23.254.138.236, 4090, 49703 HOSTWINDSUS United States 35->52 72 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 35->72 54 e8652.dscx.akamaiedge.net 23.197.253.105, 49698, 80 AKAMAI-ASUS United States 39->54 41 AcroCEF.exe 39->41         started        signatures16 process17 dnsIp18 60 23.47.168.24, 443, 49701 AKAMAI-ASUS United States 41->60
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/a7bc5b7bb43e6241c7f2b3a88474201b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84
Threat name:
Shortcut.Backdoor.Xworm
Create hunting rule
Status:
Suspicious
First seen:
2025-09-06 05:11:36 UTC
File Type:
Binary
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ihg3v65itowxpulyirmolqrg5nafzkpuno3fuoaddreks7to56ca._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
XWorm
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Link:
https://tria.ge/reports/250906-hvhfdssthx/
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
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
23.254.138.236:4090
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/41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84

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: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

File information

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

Web download

XWorm

Shortcut (lnk) lnk 41cdbafba89bad77d1784458e5c226eb405ca9f46bb65a38031c48a97e6eef84

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3617926/
  
Delivery method
Distributed via web download

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