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Ransomware Behaviour Detected

Low False Positive
ALR-00460 · 2026-04-11T19:46:18Z

Description

File encryption behaviour detected on WS-LAP-011. 142 files renamed with .locked extension in 30 seconds. Endpoint Agent isolated endpoint.

Alert Metadata

Alert ID
ALR-00460
Timestamp
2026-04-11T19:46:18Z
Severity
Low
Status
False Positive
Detection Source
Endpoint Agent
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-LAP-011
User Account
l.johnson
Source IP
194.67.62.208
Destination IP
10.2.207.201
Origin Country
RO Romania

MITRE ATT&CK Mapping

Tactic
Impact
Technique
T1486
Reference
attack.mitre.org/techniques/T1486

Investigation Timeline

19:46:18 Event ingested by SOC365 Engine
19:46:21 EmilyAI triage started — correlation enrichment
19:46:28 EmilyAI confidence: 98% — escalated to human analyst
19:46:41 Alert assigned to analyst: EmilyAI (auto)
19:48:37 Investigation started — querying SIEM and threat intelligence
19:56:05 Containment action taken — endpoint isolated
20:04:14 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00139 36m ago Unauthorised USB Device Medium Escalated WS-LAP-011
ALR-00058 4h ago Ransomware Behaviour Detected Low False Positive SRV-WEB-01
ALR-00483 6h ago Tor Exit Node Connection Low Investigating WS-LAP-011
ALR-00254 15h ago Ransomware Behaviour Detected High Escalated WS-PC-004
ALR-00083 23h ago Ransomware Behaviour Detected Informational False Positive SRV-FILE-01