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Ransomware Behaviour Detected

Medium False Positive
ALR-00260 · 2026-10-06T05:15:44Z

Description

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

Alert Metadata

Alert ID
ALR-00260
Timestamp
2026-10-06T05:15:44Z
Severity
Medium
Status
False Positive
Detection Source
DecoyPulse
Assigned Analyst
James Okonkwo

Endpoint Information

Hostname
SRV-SQL-01
User Account
s.jones
Source IP
194.173.62.242
Destination IP
10.0.56.24
Origin Country
RO Romania

MITRE ATT&CK Mapping

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

Investigation Timeline

05:15:44 Event ingested by SOC365 Engine
05:15:46 EmilyAI triage started — correlation enrichment
05:15:57 EmilyAI confidence: 93% — escalated to human analyst
05:16:00 Alert assigned to analyst: James Okonkwo
05:18:16 Investigation started — querying SIEM and threat intelligence
05:25:14 Containment action taken — endpoint isolated
05:27:01 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00498 6h ago Suspicious Scheduled Task Informational Resolved SRV-SQL-01
ALR-00294 8h ago Tor Exit Node Connection Medium Resolved SRV-SQL-01
ALR-00104 14h ago Ransomware Behaviour Detected Medium Escalated FW-EDGE-01
ALR-00186 1d ago Credential Stuffing Attempt Low Escalated SRV-SQL-01
ALR-00107 1d ago Ransomware Behaviour Detected Informational Escalated WS-PC-003