MALICIOUS — DOC-X3ABYP.lnk
MALICIOUS — DOC-X3ABYP.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:
632048f3732e1031dbff5a45b28c4841bf07f6e4fcc6a37c6f0e0b5f6aac3228 - SHA-1:
6bb406d8a2b188ebf405ca970564eff50df9779c - MD5:
4e4dafa6f7202e6add15886e77598d86 - ssdeep:
24:8YfJtnyUD2+c4yAvG2Muh8sc9iOQegldLxw57FXiArHzbhwAtmeoLBqddNXuHY:8aStRLViXlA1FXLHeAIVsdLXuH - TLSH:
T1CA1557CEDE6C0351C63DC475024ABBEE9841B08024A6B70C1D08407607E365FEEE166E - Submitted as: DOC-X3ABYP.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.40364280
- 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 28 external host(s) at runtime (24 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)
14414 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
- bo-pdffiller.lat
- c.pki.goog
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- settings-win.data.microsoft.com
- windows.msn.com
Dropped files
- ca517a62cc4bd322c4afb74599b3f4a6f414d0fb6f750eae56a0d9c95d997f49 -
ca517a62cc4bd322c4afb74599b3f4a6f414d0fb6f750eae56a0d9c95d997f49 - bbca576907311ce8d79369c2ef479ca86ed74706ac524c687e5e9abfbcff7b17 -
bbca576907311ce8d79369c2ef479ca86ed74706ac524c687e5e9abfbcff7b17
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=1787645164&P2=404&P3=2&P4=jOAM0EVlto%2bD5KNzKLvxTklTadFkpNvnsUtI1LQOpJ0jn4SeOr0bFA%2blPjalWyfBkPPX9yqupzFPbi2YPM%2bK1A%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=1787645248&P2=404&P3=2&P4=lTSZ7UqpLsCrwFbsFhQ6U7Znnt7K3h0a9nBK89i2GKuinchKGBqTFzpynsnfMt%2fj3pOJjle7ZdWU60uuHfLoaA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
Embedded domains
- bo-pdffiller.lat
Embedded IP addresses
- 52.110.12.40
- 52.110.12.50
- 20.184.175.0
- 4.230.171.124
- 57.155.104.224
- 74.179.77.204
- 20.247.184.142
- 74.178.76.54
- 4.150.223.98
- 20.112.250.133
- 52.123.129.14
- 40.99.134.18
- 52.123.128.14
- 172.66.2.5
- 135.234.160.244
- 203.26.79.13
- 52.148.114.188
- 135.233.45.223
- 52.123.252.239
- 135.232.92.34
- 20.184.175.16
- 4.150.223.113
- 72.153.5.132
- 92.223.78.30
- 142.251.222.3
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report