Suspicious Java Runtime Execution from LocalAppData Staging Folder

PremiumReviewedSigma · High · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-08-03
Updated
2026-08-28

ATT&CK techniques

Execution → Defense Evasion
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Persistence

  5. Priv Esc

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects javaw executing from a user LocalAppData staging directory used by the Xeno stealer. The malware bundles a private Java runtime under Java and Microsoft GameDVR paths to run its malicious JAR while blending in with normal directories.

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