MALICIOUS — 7a2b3bb85978d82bd0f8e6c3fb2a9860823c055dd458b3e46a2f814eda63e2d3
MALICIOUS — 7a2b3bb85978d82bd0f8e6c3fb2a9860823c055dd458b3e46a2f814eda63e2d3 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:
7a2b3bb85978d82bd0f8e6c3fb2a9860823c055dd458b3e46a2f814eda63e2d3 - SHA-1:
18902ca5b1c7555a0f46fe454eb761d5a1299aed - MD5:
5525809d340208c239b09f89112165a3 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dCgFNnry81BA3GdnTvdEe7O8swqOo:Qoa1taC0QFxPJnBEOOnJ - TLSH:
T1015A23464509670CE6F6C4843D6A263E9441E8F6A37C258B838FF0AEA7D7D1778210DB - Submitted as: 7a2b3bb85978d82bd0f8e6c3fb2a9860823c055dd458b3e46a2f814eda63e2d3
- 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 21 external host(s) at runtime (20 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
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\3F46.tmp -
6949e5269f79ab3b30ae825ce2cd739fc914457e81e4641d60f7d127426bdbe2 - 3db93ddde98d5a32113a2c20293197a42baae03312c5934c4cd2d27fa057b00a -
3db93ddde98d5a32113a2c20293197a42baae03312c5934c4cd2d27fa057b00a
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=1787895109&P2=404&P3=2&P4=RsG1vIdQUwhMRw76sdyZhHpDFkXp0dZhTyFN7gjbIIYrPGlha0jajVEcEy6g3uFuKoXCo%2fRqBqiw3HEGO7%2bCTw%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=1787895199&P2=404&P3=2&P4=C8I152Z6DObX2Y3rycO9IGIIRSIuqRFw3G9p%2bvmBcMFETfk%2bGsX14iFyaP6499Cn9otQlfmVFiHKBmggy3SiXw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 4.150.223.105
- 52.123.252.245
- 52.230.59.222
- 4.230.171.124
- 85.210.193.152
- 74.178.240.61
- 20.52.64.200
- 74.178.76.54
- 20.236.44.162
- 40.99.133.226
- 52.123.129.14
- 52.123.128.14
- 135.234.160.244
- 203.26.79.13
- 52.148.114.188
- 52.123.252.223
- 74.178.76.44
- 52.123.252.241
- 72.145.35.111
- 52.110.12.22
- 52.110.12.47
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report