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Ransomware Behaviour Detected

Medium False Positive
ALR-00042 · 2026-04-06T22:09:28Z

Description

File encryption behaviour detected on SRV-DC-01. 142 files renamed with .locked extension in 30 seconds. SOC365 Engine isolated endpoint.

Alert Metadata

Alert ID
ALR-00042
Timestamp
2026-04-06T22:09:28Z
Severity
Medium
Status
False Positive
Detection Source
SOC365 Engine
Assigned Analyst
Anika Patel

Endpoint Information

Hostname
SRV-DC-01
User Account
a.wilson
Source IP
185.189.220.218
Destination IP
10.1.16.134
Origin Country
DE Germany

MITRE ATT&CK Mapping

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

Investigation Timeline

22:09:28 Event ingested by SOC365 Engine
22:09:32 EmilyAI triage started — correlation enrichment
22:09:38 EmilyAI confidence: 88% — escalated to human analyst
22:09:54 Alert assigned to analyst: Anika Patel
22:11:36 Investigation started — querying SIEM and threat intelligence
22:13:13 Containment action taken — endpoint isolated
22:19:50 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00479 4h ago Ransomware Behaviour Detected High Investigating WS-LAP-011
ALR-00429 9h ago Ransomware Behaviour Detected Medium Resolved SRV-FILE-01
ALR-00341 15h ago Unusual Outbound Traffic Critical Open SRV-DC-01
ALR-00344 19h ago Ransomware Behaviour Detected Medium Open WS-PC-002
ALR-00275 1d ago Pass-the-Hash Detected Informational Investigating SRV-DC-01