Malicious CreativeUpdate Cryptominer Execution via mdworker Path (via process_creation)

PremiumReviewedSigma · High · v1
Product
macos
Category
process_creation
Author
HuntRule
Published
2026-10-31
Updated
2026-10-31

ATT&CK techniques

Impact
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

What it detects

This rule detects execution of a binary from a user Library mdworker directory, the masquerading path where OSX CreativeUpdate installs its cryptominer. The name imitates the legitimate macOS mdworker service to blend mining activity into normal system processes.

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Malicious CreativeUpdate Cryptominer Execution via mdworker Path (via process_creation)
Pivot detection · T1496 · 9 related

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