MALICIOUS — f2f8fd55c5c0aa144e2fab50234e3707147756243ff4fcf3cee38f9836701dd1
MALICIOUS — f2f8fd55c5c0aa144e2fab50234e3707147756243ff4fcf3cee38f9836701dd1 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:
f2f8fd55c5c0aa144e2fab50234e3707147756243ff4fcf3cee38f9836701dd1 - SHA-1:
c06761363e8c35435d43887839fb28eb0f828682 - MD5:
56e4603d89a55a875e0301b303f35bd3 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070d1r15p3VpV7zX+LjeSvLfqsyy3vxbiGK41U:Qoa1taC0g15Lp1zXkxvu+3ZbC4K - TLSH:
T1285A23455B497B4CE3F5C8846D6D166EC881A8E6B33819CB82CFF01EA3CB567742109B - Submitted as: f2f8fd55c5c0aa144e2fab50234e3707147756243ff4fcf3cee38f9836701dd1
- File type: pe · Size: 1958408 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): Dump:Generic.Dacic.17983.C83B492E
- Kaspersky (KVRT): Backdoor.Win32.Salgorea.ic
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 30 external host(s) at runtime (24 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
136 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
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\C500.tmp -
e6ead38312216bb1bbdfffb7d3f2219dc8b2f3bcabb81e339604695c3487fd2d - 4d268e393e433826bb35fe26a0a6c3874954c523981553f9d0375c1f2f3266e3 -
4d268e393e433826bb35fe26a0a6c3874954c523981553f9d0375c1f2f3266e3
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/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=1787820378&P2=404&P3=2&P4=lzVOA5e%2fkqkYxRkh4emf%2bc9j15D6et%2f0nb4X7gGz%2fGnmNUfiKxK%2fn5nV0SCactuK%2bR1TuuMtDhmEgoZng6UL5g%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=1787820444&P2=404&P3=2&P4=FLiyqDv8nnVS9LdPjDzl5dTzwoyodiBmpWZOycFf%2b2U3Y8WqQA2%2bD3gP9QFe4o450d1qBGalvA7l8rP7eqyCBA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- vs.au
- schemas.microsoft.com
Embedded IP addresses
- 20.42.179.192
- 52.138.229.67
- 52.123.252.232
- 4.230.171.124
- 172.215.188.232
- 52.230.60.54
- 74.179.77.204
- 20.184.175.6
- 74.178.240.51
- 52.123.129.14
- 20.76.201.171
- 52.123.128.14
- 162.159.142.9
- 13.69.109.130
- 52.123.252.227
- 203.26.79.13
- 92.223.78.30
- 135.233.45.221
- 52.123.252.241
- 74.178.76.44
- 52.110.12.40
- 52.110.12.22
- 52.148.114.188
- 52.123.252.198
- 20.184.175.9
File paths
- o:\R8
- a:\Y!
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report