MALICIOUS — 13bf73655ba4158204934de3561386af8bbc608f60fe5d7b2d476d99ebf78cbf
MALICIOUS — 13bf73655ba4158204934de3561386af8bbc608f60fe5d7b2d476d99ebf78cbf 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:
13bf73655ba4158204934de3561386af8bbc608f60fe5d7b2d476d99ebf78cbf - SHA-1:
59628d0b70251d63cf49d6fe53f9d45f8ac6c52d - MD5:
2d583a038fd3f0d788d8fe884e408095 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
24576:N2oo60HPdt+1CRiY2eOBvcj3u10dWA4GG5PheEVfSQx9/I3Z/OkrejLkb09n90q8:Qoa1taC070dWAzyDVNIJGkCjDHbSX - TLSH:
T14D5A2346561D770CE3F1C5802C29122EC442E4E7A77C198A924FF18EB7DB66B64221FB - Submitted as: 13bf73655ba4158204934de3561386af8bbc608f60fe5d7b2d476d99ebf78cbf
- 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 22 external host(s) at runtime (24 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
101 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\A2.tmp -
385072fce910b496b2afc47b3a3a84ed82c5f6b0f2dbde4810bb5026bbd9f125 - f4b7b2a4a1d4917a8832056714527c50c3a4d51c19f5213563d29a895c53c7ab -
f4b7b2a4a1d4917a8832056714527c50c3a4d51c19f5213563d29a895c53c7ab
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=1787892686&P2=404&P3=2&P4=ekY1qvYryiWh7tPpCE5lqfumcnwAJwgOGrR3Se2E%2fUojnKjfg4L7qm94xpnLs9rxIjOy9QgXf8Buh0gUh0y9Vw%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=1787892755&P2=404&P3=2&P4=OcFeN5QyEkn44eUeO%2fvHYSetx7M53TBoSjKv9gCpJdYYhEmgOcdtZGEs%2bNCsAmFqqOJpZdRq4sgGBdtk4MkGtw%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
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 52.123.252.198
- 20.42.65.94
- 4.247.188.233
- 20.247.185.124
- 4.230.171.124
- 4.144.132.223
- 172.215.188.225
- 74.178.76.128
- 4.150.223.97
- 74.178.240.51
- 20.76.201.171
- 52.123.128.14
- 20.184.175.1
- 172.178.240.162
- 57.154.63.210
- 203.26.79.13
- 74.178.76.44
- 52.110.12.40
- 52.148.114.188
- 52.110.12.22
- 72.154.7.105
- 52.110.12.16
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report