Suspicious Attrib Hiding of Stealer Artifacts (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-08-10
Updated
2026-08-28

ATT&CK techniques

Defense Evasion
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Cred Access

  8. Discovery

  9. Lateral Movement

  10. Collection

  11. C2

  12. Exfiltration

  13. Impact

What it detects

This rule detects attrib.exe applying hidden and system attributes to Maranhao Stealer artifacts such as infoprocess.exe, crypto.key, or the Microsoft Updater directory. This hides malicious files from the user.

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Suspicious Batch Script Unhiding Files via Attrib From Temp
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Suspicious Attrib Hiding of Stealer Artifacts (via process_creation)
Pivot detection · T1564.001 · 9 related

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