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Ransomware Behaviour Detected

Informational False Positive
ALR-00210 · 2026-05-23T23:15:45Z

Description

File encryption behaviour detected on WS-PC-002. 142 files renamed with .locked extension in 30 seconds. Dark Web Monitor isolated endpoint.

Alert Metadata

Alert ID
ALR-00210
Timestamp
2026-05-23T23:15:45Z
Severity
Informational
Status
False Positive
Detection Source
Dark Web Monitor
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-PC-002
User Account
f.hall
Source IP
194.206.62.185
Destination IP
10.2.111.207
Origin Country
FR France

MITRE ATT&CK Mapping

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

Investigation Timeline

23:15:45 Event ingested by SOC365 Engine
23:15:47 EmilyAI triage started — correlation enrichment
23:15:51 EmilyAI confidence: 98% — escalated to human analyst
23:16:00 Alert assigned to analyst: EmilyAI (auto)
23:17:49 Investigation started — querying SIEM and threat intelligence
23:25:22 Containment action taken — endpoint isolated
23:31:01 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00326 9h ago Ransomware Behaviour Detected Low False Positive SRV-APP-01
ALR-00130 11h ago Ransomware Behaviour Detected Medium Escalated WS-MAC-005
ALR-00333 13h ago Ransomware Behaviour Detected High Open AP-WIFI-03
ALR-00024 18h ago Ransomware Behaviour Detected Low Escalated WS-PC-004
ALR-00338 1d ago Shadow IT Discovery Low Resolved WS-PC-002