Suspicious Larva-24009 Keylogger Log Staging in OneDrive Path (via file_event)

PremiumReviewedSigma · Medium · v1
Product
windows
Category
file_event
Author
HuntRule
Published
2026-09-05
Updated
2026-09-05

ATT&CK techniques

Cred Access → Collection
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Discovery

  9. Lateral Movement

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects the creation of keylogger output files named log.log or logv.log under the ProgramData Microsoft OneDrive directory as observed in the Larva-24009 campaign. The use of an OneDrive named folder under ProgramData for keystroke capture is a strong indicator of this actor.

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Possible Andariel Keylogger Output Archive Staged in Temp (via file_event)
Suspicious Parallax RAT Keylogger Output File Creation via File System (via file_event)
Suspicious Larva-24009 Keylogger Log Staging in OneDrive Path (via file_event)
Pivot detection · T1056.001 · 9 related

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