Suspicious PowerShell Execution

Medium Resolved

ALR-00161 · 2026-05-21T22:50:41Z

Description

Encoded PowerShell command executed on FW-EDGE-01 by user 'f.hall'. Command attempts to download and execute remote payload. Flagged by EmilyAI Triage.

Alert Metadata

Alert ID: ALR-00161
Timestamp: 2026-05-21T22:50:41Z
Severity: Medium
Status: Resolved
Detection Source: EmilyAI Triage
Assigned Analyst: James Okonkwo

Endpoint Information

Hostname: FW-EDGE-01
User Account: f.hall
Source IP: 185.116.220.234
Destination IP: 10.3.118.142
Origin Country: UA Ukraine

MITRE ATT&CK Mapping

Tactic: Execution
Technique: T1059.001
Reference: attack.mitre.org/techniques/T1059.001

Investigation Timeline

22:50:41 Event ingested by SOC365 Engine

22:50:42 EmilyAI triage started — correlation enrichment

22:50:51 EmilyAI confidence: 97% — escalated to human analyst

22:50:59 Alert assigned to analyst: James Okonkwo

22:53:11 Investigation started — querying SIEM and threat intelligence

22:57:57 Containment action taken — endpoint isolated

23:04:46 Alert resolved — remediation complete

Related Alerts

ID	Time	Alert	Severity	Status	Host
ALR-00414	10h ago	Certificate Anomaly	High	Escalated	FW-EDGE-01
ALR-00274	11h ago	Suspicious PowerShell Execution	Informational	False Positive	SRV-WEB-01
ALR-00449	11h ago	Suspicious Scheduled Task	Informational	Escalated	FW-EDGE-01
ALR-00409	14h ago	Suspicious PowerShell Execution	Medium	Escalated	SW-CORE-01
ALR-00082	18h ago	Unusual Outbound Traffic	Low	False Positive	FW-EDGE-01