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Ransomware Behaviour Detected

Medium Resolved
ALR-00484 · 2026-07-07T19:00:06Z

Description

File encryption behaviour detected on WS-PC-006. 142 files renamed with .locked extension in 30 seconds. Network IDS isolated endpoint.

Alert Metadata

Alert ID
ALR-00484
Timestamp
2026-07-07T19:00:06Z
Severity
Medium
Status
Resolved
Detection Source
Network IDS
Assigned Analyst
Anika Patel

Endpoint Information

Hostname
WS-PC-006
User Account
r.davies
Source IP
194.157.62.142
Destination IP
10.3.240.30
Origin Country
BR Brazil

MITRE ATT&CK Mapping

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

Investigation Timeline

19:00:06 Event ingested by SOC365 Engine
19:00:09 EmilyAI triage started — correlation enrichment
19:00:14 EmilyAI confidence: 79% — escalated to human analyst
19:00:41 Alert assigned to analyst: Anika Patel
19:02:15 Investigation started — querying SIEM and threat intelligence
19:08:44 Containment action taken — endpoint isolated
19:11:19 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00236 1h ago Ransomware Behaviour Detected Medium Resolved SRV-WEB-01
ALR-00060 3h ago Ransomware Behaviour Detected Low Open SRV-FILE-01
ALR-00043 6h ago Ransomware Behaviour Detected Medium False Positive SRV-DC-01
ALR-00059 9h ago Ransomware Behaviour Detected Low Investigating WS-MAC-005
ALR-00172 17h ago Ransomware Behaviour Detected High Investigating WS-PC-004