Suspicious Access To Chrome Elevation Service COM Object via Katz Stealer

ATT&CK techniques

Priv Esc → Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
- T1134.001Token Impersonation/Theft
Defense Evasion
- T1134.001Token Impersonation/Theft
Cred Access
- T1555.003Credentials from Web Browsers
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects a handle to the Chrome elevation service object being obtained by an unexpected process which infostealers abuse to decrypt application-bound encrypted cookies through the elevated COM service. Adversaries invoke the GoogleChromeElevationService to recover the master key protecting stored credentials and session cookies.

Reporting behind it

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Suspicious Access To Chrome Elevation Service COM Object via Katz Stealer

Pivot detection · T1555.003 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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