Malicious BRUSHLOGGER Rundll32 Execution from ProgramData (via process_creation)

ATT&CK techniques

Defense Evasion → Collection

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
- T1218.011Rundll32
Cred Access
- T1056.001Keylogging
Discovery
Lateral Movement
Collection
- T1056.001Keylogging
C2
Exfiltration
Impact

What it detects

This rule detects rundll32 loading the BRUSHLOGGER Recorder.dll from the attacker's ProgramData staging directory. Observed in Elastic Security Labs analysis where Recorder.dll under a Photoes Pics path is executed to capture keystrokes from financial services targets.

Reporting behind it

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Malicious BRUSHLOGGER Rundll32 Execution from ProgramData (via process_creation)

Pivot detection · T1218.011 · 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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