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Kerberoasting Attempt

Critical Open
ALR-00451 · 2026-07-09T17:38:44Z

Description

Kerberoasting attack detected: user 'f.hall' requested TGS tickets for multiple service accounts in 2 minutes. Flagged by Dark Web Monitor.

Alert Metadata

Alert ID
ALR-00451
Timestamp
2026-07-09T17:38:44Z
Severity
Critical
Status
Open
Detection Source
Dark Web Monitor
Assigned Analyst
Marcus Webb

Endpoint Information

Hostname
WS-PC-006
User Account
f.hall
Source IP
91.243.195.110
Destination IP
10.3.23.164
Origin Country
KP North Korea

MITRE ATT&CK Mapping

Tactic
Credential Access
Technique
T1558.003
Reference
attack.mitre.org/techniques/T1558.003

Investigation Timeline

17:38:44 Event ingested by SOC365 Engine
17:38:46 EmilyAI triage started — correlation enrichment
17:38:49 EmilyAI confidence: 81% — escalated to human analyst
17:39:09 Alert assigned to analyst: Marcus Webb
17:40:33 Investigation started — querying SIEM and threat intelligence

Related Alerts

ID Time Alert Severity Status Host
ALR-00446 1h ago Failed MFA Challenge Medium Open WS-PC-006
ALR-00236 5h ago Pass-the-Hash Detected Low False Positive WS-PC-006
ALR-00305 8h ago Pass-the-Hash Detected Informational Resolved WS-PC-006
ALR-00323 14h ago Data Exfiltration Attempt Informational Investigating WS-PC-006
ALR-00004 19h ago Failed MFA Challenge Low Escalated WS-PC-006