Suspicious Matanbuchus Persistence via Update Tracker Task Scheduled Task (via process_creation)

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-11-06
Updated
2026-11-06

ATT&CK techniques

Execution → Priv Esc
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Defense Evasion

  5. Cred Access

  6. Discovery

  7. Lateral Movement

  8. Collection

  9. C2

  10. Exfiltration

  11. Impact

What it detects

This rule detects creation of the Update Tracker Task scheduled task that Matanbuchus 3.0 registers to relaunch its payload through msiexec with the -z flag. The combination of this task name and msiexec loading is unique to the loader.

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Suspicious Scheduled Task Persistence Named SchedulerLsass via schtasks (via process_creation)
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Suspicious Matanbuchus Persistence via Update Tracker Task Scheduled Task (via process_creation)
Pivot detection · T1053.005 · 9 related

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