MALICIOUS — 84a4fb664f7d9087489ce5eb301ee9a14750cb0c907eb17cbef747dfaf7c3101
MALICIOUS — 84a4fb664f7d9087489ce5eb301ee9a14750cb0c907eb17cbef747dfaf7c3101 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:
84a4fb664f7d9087489ce5eb301ee9a14750cb0c907eb17cbef747dfaf7c3101 - SHA-1:
1bd8cfce83e25f7676bd30928562d47695460e66 - MD5:
d37180dac497a821e93a07ba264feefb - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFWr0a0bejz2BE14Zy3Wzp/tIpyGc:O+K88uPCHcAeH2BECGpyGc - TLSH:
T19F5A23C56A199B4DE7F1C5803826366E8081F5D2977C088E824FF02EB7DB57B247219B - Submitted as: 84a4fb664f7d9087489ce5eb301ee9a14750cb0c907eb17cbef747dfaf7c3101
- 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 27 external host(s) at runtime (28 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
98 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
- c.pki.goog
- 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
Dropped files
- C:\Users\analyst\AppData\Local\Temp\747A.tmp -
00f8657f7e9b8aa0cc8cc1ee049d6fe49e91a0eac23104c7d1400051b6512cce - 0b1af0f68c190aff392cb07f6841b7054c3ddfece632e69393700374ce5b307c -
0b1af0f68c190aff392cb07f6841b7054c3ddfece632e69393700374ce5b307c
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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787938269&P2=404&P3=2&P4=ioN63qXwH%2fSasx7y%2fOB3Xb19Gjo8dz9qUNLiXeimW1%2bZmdcd3gFtgF7oS%2frqkywQBBfCA5BQp0yYeRzT%2b0x6zw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787938334&P2=404&P3=2&P4=WamSgZfYVBNJg%2fWjBZJUHlc6jQbrFsIPTyQgY0HkSUYI8tRz6e6bBDSMeVMjwmWtVcEFX9qMJ6e2sW6pCKNf%2bw%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
- 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=1787335005&P2=404&P3=2&P4=a5uVuL4Ki7KGo8a4p9Q92YMEMe5KL9k3Vgvdb1uTdy94S790dTFjtInGh3RVYChgyU%2fjf4DP%2b7sEh%2fQeXU4uMw%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=1787334578&P2=404&P3=2&P4=VzYPU8CoYuRGyPJ%2fBInSEm%2fiVPmzjFuBLYKJovB0uMl6%2fljLw247cV5dxMGuRE3MNEJ%2fDFzgjt0CVADOP5%2fcfA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 4.150.223.96
- 4.230.171.124
- 48.211.4.16
- 4.144.132.114
- 135.232.92.137
- 135.232.92.97
- 52.168.112.67
- 20.236.44.162
- 52.123.129.14
- 52.123.128.14
- 135.232.92.34
- 203.26.79.13
- 172.178.240.161
- 52.123.252.218
- 52.148.114.188
- 52.110.12.21
- 52.110.12.49
- 40.79.150.121
- 72.145.35.101
- 74.178.76.128
- 135.233.45.222
- 172.175.111.170
- 20.50.80.215
- 135.233.95.80
- 92.223.78.30
More Zusy samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report