MALICIOUS — 581a4c5c03d7caa9c876df7c17aed17274a178d7a1e5437c031e5bd56e46a029
MALICIOUS — 581a4c5c03d7caa9c876df7c17aed17274a178d7a1e5437c031e5bd56e46a029 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:
581a4c5c03d7caa9c876df7c17aed17274a178d7a1e5437c031e5bd56e46a029 - SHA-1:
289ae1db3b43e1268075bf186aba428424ab6b32 - MD5:
356fecbf6d757734a90a2bfda6e6871d - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SF6IGHJ26/Bh8Ko4M1y6VFPH4a8HhPIyGc:O+K88uPCHdIJXEKc1yWFPn82yGc - TLSH:
T1F75A23C197295B08E2F1D490281A666DC582E5D69A7C1CCE538FF01E73CB97B383225B - Submitted as: 581a4c5c03d7caa9c876df7c17aed17274a178d7a1e5437c031e5bd56e46a029
- 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 (21 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
99 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
- config.edge.skype.com
- v20.events.data.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\B224.tmp -
ae306472c28b667d9b8145541dfc94b816f1caf059abbc9fbc825f133d68c04b - 2e12882d1e9d88f1528389e6a1b520ee255dae65b5b64afa4be1407e14c47a0a -
2e12882d1e9d88f1528389e6a1b520ee255dae65b5b64afa4be1407e14c47a0a
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=1787862703&P2=404&P3=2&P4=IgWSuzhdxytzXQqU4j7sLnE6HEvsfk0znwqa2QrfYHfqxIi5su80%2btijDn%2bixNz79QiYFxt7NOij97%2fknxVJfg%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=1787862752&P2=404&P3=2&P4=A%2ft%2fQkEY6n96Tl%2fWnF7AsokWJW1h8itgXjgO4ekwe3LrqEzXm9zhFUglqgShCxIf5KQjB3cid3nuHYtZfLRQWg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- j.co
- schemas.microsoft.com
Embedded IP addresses
- 52.123.252.216
- 52.168.117.169
- 4.230.171.124
- 4.144.132.114
- 85.210.196.11
- 135.233.95.144
- 135.232.92.97
- 104.208.16.94
- 20.236.44.162
- 52.123.128.14
- 52.123.129.14
- 13.89.179.15
- 135.234.160.245
- 92.223.78.30
- 52.110.12.25
- 52.123.252.222
- 52.110.12.24
- 135.233.95.80
- 203.26.79.13
- 52.148.114.188
- 72.145.35.105
- 52.110.12.44
- 52.110.12.15
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report