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Ransomware Behaviour Detected

Informational False Positive
ALR-00308 · 2026-05-24T06:48:31Z

Description

File encryption behaviour detected on SW-CORE-01. 142 files renamed with .locked extension in 30 seconds. Attack Surface Scanner isolated endpoint.

Alert Metadata

Alert ID
ALR-00308
Timestamp
2026-05-24T06:48:31Z
Severity
Informational
Status
False Positive
Detection Source
Attack Surface Scanner
Assigned Analyst
EmilyAI (auto)

Endpoint Information

Hostname
SW-CORE-01
User Account
j.smith
Source IP
91.242.195.96
Destination IP
10.3.47.115
Origin Country
FR France

MITRE ATT&CK Mapping

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

Investigation Timeline

06:48:31 Event ingested by SOC365 Engine
06:48:33 EmilyAI triage started — correlation enrichment
06:48:41 EmilyAI confidence: 89% — escalated to human analyst
06:49:13 Alert assigned to analyst: EmilyAI (auto)
06:49:51 Investigation started — querying SIEM and threat intelligence
06:53:57 Containment action taken — endpoint isolated
07:03:37 Alert resolved — remediation complete

Related Alerts

ID Time Alert Severity Status Host
ALR-00086 1h ago Ransomware Behaviour Detected Informational False Positive SRV-BACKUP-01
ALR-00293 3h ago Ransomware Behaviour Detected Low False Positive WS-LAP-012
ALR-00148 5h ago Ransomware Behaviour Detected Low Investigating SRV-SQL-01
ALR-00344 5h ago Malware Signature Match Low Investigating SW-CORE-01
ALR-00338 7h ago Ransomware Behaviour Detected Low Open SW-CORE-01