MALICIOUS — 31a3b068b7a7f147ccda597a013f4db43025260c6a127c1ddfaa24ff6f1e93e0
MALICIOUS — 31a3b068b7a7f147ccda597a013f4db43025260c6a127c1ddfaa24ff6f1e93e0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Zusy family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
31a3b068b7a7f147ccda597a013f4db43025260c6a127c1ddfaa24ff6f1e93e0 - SHA-1:
1e52b8f3627941758b0facdb84840d3be91e91cf - MD5:
2a8b4d124dcb9250a5d5489eee746cdf - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFkGyXpxXoXLtQzjwYFEz1jx+mLscyGc:O+K88uPCHav5xYb4jJqZpyGc - TLSH:
T1945A23815A294B08D3F2C9402C19277E8542E5D7D7BC09CE428FF12E63E796BB47216B - Submitted as: 31a3b068b7a7f147ccda597a013f4db43025260c6a127c1ddfaa24ff6f1e93e0
- File type: pe · Size: 2089472 bytes
- Verdict: malicious (96/100) · Family: Zusy
Detections (4 of 55 engines)
- ClamAV (daily): Win.Malware.Zusy-9764479-0
- Microsoft Defender: Trojan:Win32/Salgorea!pz
- Emsisoft (Emergency Kit): Trojan.GenericKDZ.110085
- Kaspersky (KVRT): Backdoor.Win32.Salgorea.ie
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 4 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 23 external host(s) at runtime (27 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
103 behavior events · 1 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
- 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
- settings-win.data.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\BB9A.tmp -
7bdbdebf5b82fead0d7c6da68793455274b120ad062cc0d121abdc809067023b - 5d29552b33bb00d6860fe712d821f522ffb1cce5e84c05c8de20192e6bece57c -
5d29552b33bb00d6860fe712d821f522ffb1cce5e84c05c8de20192e6bece57c
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- 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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787904975&P2=404&P3=2&P4=c1rF%2fZ8yCwmlWrxlvLU8fC39EbP90lR91HnXLphS5ZsHd3qgPg8fMHUbcPqB3XTHBS9cKn%2foem5S4AubZgCkBg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787905034&P2=404&P3=2&P4=RkbHT7lveKnmzXDlHxGcBGanh901%2bxvvXY07Kxh6IEUWarr5cpSnLalhSMaqlnUbZW6CbhJ%2fjSi2XF5NVIVr1w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787301654&P2=404&P3=2&P4=gpadtJmitaBaVrD9%2fjLFN7cBm%2bU%2bEyuXtdGFOxnhfOzYA1i1ah7YA0pbwoVleOSkBgmHgoCQ5UeXuhUsnDEUlQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787301334&P2=404&P3=2&P4=bgkeE2fIACDNTf5YrU1TZX1AZzpSZXGYJT4VL08vmc%2b5Udlk0%2b%2f93MXjGujGTrGZ7wrIlh9YXp3es6Kl0CFtww%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 52.168.117.174
- 40.84.97.4
- 4.230.171.124
- 4.144.132.114
- 74.179.77.204
- 4.150.223.109
- 74.178.240.51
- 92.223.78.30
- 20.112.250.133
- 52.123.128.14
- 52.123.129.14
- 203.26.79.13
- 172.178.240.162
- 135.232.92.137
- 52.110.12.49
- 52.110.12.32
- 135.232.92.34
- 52.148.114.188
- 72.154.7.107
- 172.170.180.133
- 20.184.175.6
- 52.182.141.63
- 52.110.12.31
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report