MALICIOUS — DOC-NT1XJJ.lnk
MALICIOUS — DOC-NT1XJJ.lnk is a lnk sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (73/100), attributed to the WinLNK family. 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
9ca8d0646a06dc54d4b791a6f670b25f2a05e64ee3582dbad0be524438b0f608 - SHA-1:
0afdb1ae76307d89f2d7ed1d2191ba76682d63e6 - MD5:
ff9fe62b49b068fe5ff666c8cc414c54 - ssdeep:
48:8aS7x+m064sVl1r3xd+BLnqI8wyPdLXuH:8aSl+mNbJ38Iwcu - TLSH:
T17A154BCED53C034AC63CC478024BFBEED840B0905466B70D1E0842BA16E7167EFA256E - Submitted as: DOC-NT1XJJ.lnk
- File type: lnk · Size: 2477 bytes
- Verdict: malicious (73/100) · Family: WinLNK
Detections (3 of 53 engines)
- Microsoft Defender: Trojan:Win32/WinLNK.HGQ!MTB
- Emsisoft (Emergency Kit): Trojan.Generic.40385824
- Kaspersky (KVRT): HEUR:Trojan.WinLNK.Rufus.gen
MITRE ATT&CK
Why this verdict
The malicious score of 73/100 is the fusion of 4 weighted signals:
- Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 23 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1622, T1082 - dynamic signal, weight 0.40, confidence 0.75
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
14883 behavior events · 2 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ma-pdffiller.lat
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- ca517a62cc4bd322c4afb74599b3f4a6f414d0fb6f750eae56a0d9c95d997f49 -
ca517a62cc4bd322c4afb74599b3f4a6f414d0fb6f750eae56a0d9c95d997f49 - 8ab0766285974a4c3891c4fd78745dc8207711206745f1a7c3bbdbb27b38426a -
8ab0766285974a4c3891c4fd78745dc8207711206745f1a7c3bbdbb27b38426a
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787643582&P2=404&P3=2&P4=VfoZBqDGkKUZrPOT5Dm6swNVlNRtOid2FP7uMbEEhBDqNBxZgnmnwoGBTdJ3kUwqlUbPkCXXPUgrONktngC9RQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/45cd9142-6feb-4946-89e7-63e58fada30a?P1=1787643673&P2=404&P3=2&P4=QO01Yvd0LEv5o5xaj9GBezZCSltvAOERnx0eGTCwwddkS1Mm3YiG0Z5vOsQAeP8kdgfMHHJ9o%2fRjI5C1kBaXJQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ma-pdffiller.lat
Embedded IP addresses
- 20.184.175.14
- 4.247.188.233
- 4.230.171.124
- 4.247.188.224
- 20.247.184.142
- 74.179.77.204
- 74.178.76.54
- 20.184.175.4
- 203.26.79.13
- 4.150.223.99
- 20.112.250.133
- 52.123.129.14
- 52.123.128.14
- 20.165.94.46
- 135.234.160.245
- 52.148.114.188
- 135.233.45.221
- 72.154.7.98
- 4.150.223.96
- 51.11.192.50
- 92.223.78.30
- 52.110.12.42
- 52.110.12.47
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report