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85.93.55.57 has a high threat confidence level of 69%, originating from Kirov, Russia, on the Rostelecom network (12389). It has been observed across 89 sessions targeting SMB, with detected attack patterns including smb remote service stager via mshta, First observed on January 21, 2026, most recently active March 7, 2026.
Composite behavior indicating remote lateral movement over SMB followed by service-based execution of a staged payload delivered through mshta invoking msiexec from remote infrastructure. The sequence combines IPC$ share access, SAMR and SVCCTL RPC binding, service control pipe interaction, and remote command execution consistent with administrative service creation or modification to execute a downloaded installer. This pattern is strongly associated with hands-on-keyboard intrusion activity and automated lateral propagation frameworks leveraging Windows service execution for payload deployment.