Suspicious DynamicWrapperX Registration via regsvr32 (via process_creation)

PremiumReviewedSigma · Medium · v1
Product
windows
Category
process_creation
Author
HuntRule
Published
2026-05-03
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. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

  14. Impact

What it detects

This rule detects regsvr32.exe silently registering libeay32.dll, the loading vector for the DynamicWrapperX component used by the SugarGh0st RAT. Abusing regsvr32 to register a renamed helper DLL provides script-driven Windows API access while evading application controls.

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Malicious Regsvr32 Executing DLL From Windows Temp
HttpSpy Payload Registration via Regsvr32 of Non-DLL File (via process_creation)
Malicious regsvr32 Scriptlet Execution via scrobj.dll
Suspicious DynamicWrapperX Registration via regsvr32 (via process_creation)
Pivot detection · T1218.010 · 9 related

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