MALICIOUS — fd419ba5d557c734c4d4a5cdd8f66fd2110b075cea75243dae6b23775bf679df
MALICIOUS — fd419ba5d557c734c4d4a5cdd8f66fd2110b075cea75243dae6b23775bf679df is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Zusy family. 4 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
fd419ba5d557c734c4d4a5cdd8f66fd2110b075cea75243dae6b23775bf679df - SHA-1:
7ea56364af29dc7eb6095c58b7b025fdd437c708 - MD5:
172ef21b1bbd9297059daf83ff850e7e - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SF2c5xGP0tMqyCXqzvkIZbk3yGc:O+K88uPCHsPAMqyCXyvkIxCyGc - TLSH:
T1D15A23815A299B4DE2F6D4903C1A36BEC542E5D593BC088A128FF10E77CB67770321A7 - Submitted as: fd419ba5d557c734c4d4a5cdd8f66fd2110b075cea75243dae6b23775bf679df
- File type: pe · Size: 2089472 bytes
- Verdict: malicious (98/100) · Family: Zusy
Detections (4 of 52 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 98/100 is the fusion of 6 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload (Zusy): F685.tmp - dynamic signal, weight 0.62, confidence 0.90
- 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 (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
98 behavior events · 2 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\F685.tmp -
6ac4c6c2a630aefeeafe5380161e4a5590cb7ad5fb8263e22b92dbde3721fe17 - d7b8a3ede446e07f4254509802a541e085fe359368c829bec6a8138c3fc8821d -
d7b8a3ede446e07f4254509802a541e085fe359368c829bec6a8138c3fc8821d
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=1787406227&P2=404&P3=2&P4=VXlCti9pU6oK4KBWgNUOi0EHFL6QKaQ%2fKXZB%2fBOGNfXS4HkN0z8bhUslFYpKrzkJmlK0jKb7TVc1BaUeEMmI2w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 4.150.223.105
- 52.253.84.76
- 85.210.193.152
- 4.230.171.124
- 135.233.95.144
- 135.233.95.135
- 4.150.223.98
- 40.99.133.242
- 135.233.45.221
- 52.123.128.14
- 20.184.175.2
- 52.168.117.168
- 52.148.114.188
- 52.168.117.175
- 20.236.44.162
- 40.103.64.226
- 52.123.129.14
- 203.26.79.13
- 20.42.65.91
- 52.123.252.220
- 135.232.92.34
- 72.145.35.103
- 52.110.12.40
More Zusy samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report