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Ransomware Behaviour Detected

Informational Escalated
ALR-00409 · 2026-07-06T22:26:51Z

Description

File encryption behaviour detected on WS-PC-003. 142 files renamed with .locked extension in 30 seconds. DecoyPulse isolated endpoint.

Alert Metadata

Alert ID
ALR-00409
Timestamp
2026-07-06T22:26:51Z
Severity
Informational
Status
Escalated
Detection Source
DecoyPulse
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
WS-PC-003
User Account
j.smith
Source IP
103.5.216.198
Destination IP
10.0.192.231
Origin Country
GB United Kingdom

MITRE ATT&CK Mapping

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

Investigation Timeline

22:26:51 Event ingested by SOC365 Engine
22:26:52 EmilyAI triage started — correlation enrichment
22:26:56 EmilyAI confidence: 79% — escalated to human analyst
22:27:34 Alert assigned to analyst: EmilyAI (auto)
22:28:28 Investigation started — querying SIEM and threat intelligence
22:32:43 Containment action taken — endpoint isolated
22:43:27 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00107 1h ago Ransomware Behaviour Detected Informational Investigating SRV-SQL-01
ALR-00108 4h ago DLP Policy Violation Medium Escalated WS-PC-003
ALR-00237 1d ago Brute Force SSH Low Open WS-PC-003
ALR-00276 1d ago Ransomware Behaviour Detected Informational Open WS-LAP-011
ALR-00201 1d ago Ransomware Behaviour Detected Informational False Positive SW-CORE-01