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Ransomware Behaviour Detected

Informational False Positive
ALR-00418 · 2026-10-07T14:52:04Z

Description

File encryption behaviour detected on SRV-APP-01. 142 files renamed with .locked extension in 30 seconds. Endpoint Agent isolated endpoint.

Alert Metadata

Alert ID
ALR-00418
Timestamp
2026-10-07T14:52:04Z
Severity
Informational
Status
False Positive
Detection Source
Endpoint Agent
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SRV-APP-01
User Account
k.brown
Source IP
185.52.220.103
Destination IP
10.3.147.232
Origin Country
VN Vietnam

MITRE ATT&CK Mapping

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

Investigation Timeline

14:52:04 Event ingested by SOC365 Engine
14:52:06 EmilyAI triage started — correlation enrichment
14:52:18 EmilyAI confidence: 90% — escalated to human analyst
14:52:41 Alert assigned to analyst: EmilyAI (auto)
14:53:49 Investigation started — querying SIEM and threat intelligence
14:56:11 Containment action taken — endpoint isolated
15:02:13 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00497 8h ago C2 Beacon Activity Low False Positive SRV-APP-01
ALR-00366 11h ago Port Scan Detected High Open SRV-APP-01
ALR-00242 13h ago Ransomware Behaviour Detected Informational Escalated WS-LAP-010
ALR-00484 14h ago Ransomware Behaviour Detected Low False Positive SRV-DC-01
ALR-00082 14h ago Ransomware Behaviour Detected Low False Positive SRV-FILE-01