MALICIOUS — b62cb083e32ec927688fbc481666bb47cd90c3a15c9660786872eaa964ce2261
MALICIOUS — b62cb083e32ec927688fbc481666bb47cd90c3a15c9660786872eaa964ce2261 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:
b62cb083e32ec927688fbc481666bb47cd90c3a15c9660786872eaa964ce2261 - SHA-1:
9d242dfacce5a21a9efcd9516e892878c248d979 - MD5:
8f036519ad5dbaa8ddcb6806b3bfa506 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dnh+tD2eHBgm0hPmSwqPE5To8u9HJt87rdu6sv:Qoa1taC0RrH6mFqPEopt8M6sv - TLSH:
T1895A235596186B0CD3F6C5882D18127E8441D0A7A3B8168F828FF15FB3DF9BB68211DB - Submitted as: b62cb083e32ec927688fbc481666bb47cd90c3a15c9660786872eaa964ce2261
- File type: pe · Size: 1958408 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): Dump:Generic.Dacic.17983.C83B492E
- Kaspersky (KVRT): Backdoor.Win32.Salgorea.ic
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): 3478.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 27 external host(s) at runtime (21 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\3478.tmp -
f78e4d5945e07b044020c81c27c186115098f551e1e732600bdb93a83021e763 - f952888630c8dfe6fa05b897370796fca2d2761dff7288532f2721fb0f05b80c -
f952888630c8dfe6fa05b897370796fca2d2761dff7288532f2721fb0f05b80c
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=1787387295&P2=404&P3=2&P4=lfVcSlJzWZQKzDdIlj9b6zlJvx0LUck95ILMc4qozQ%2fOGzRmvursVsz9tnTskOQZLlXu%2b%2f3eZiEnNsa4nI%2bIEg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 52.110.12.40
- 51.104.15.252
- 20.247.185.124
- 57.155.101.212
- 4.230.171.124
- 135.233.95.144
- 20.184.175.14
- 20.236.44.162
- 203.26.79.13
- 92.223.78.30
- 135.234.160.244
- 4.150.223.115
- 20.231.239.246
- 162.159.142.9
- 135.232.92.34
- 74.178.240.51
- 20.42.65.94
- 52.148.114.188
- 74.179.77.204
- 135.233.95.135
- 162.159.36.2
- 52.123.129.14
- 72.145.35.109
- 52.123.128.14
- 40.99.133.210
More Zusy samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report