Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Hour |
Required Data |
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Detection Modules |
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Detector Tags |
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ATT&CK Tactic |
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ATT&CK Technique |
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Severity |
Informational |
Description
Regasm.exe and regsvcs.exe are used to register .NET COM assemblies, which are typically located in specific paths, attackers might leverage that to execute code within a Microsoft signed binary.
Attacker's Goals
Load untrusted code into a trusted Microsoft context to evade detection.
Investigative actions
- Verify if the loaded dll is known to be malicious.
- Track down which process dropped the library being loaded.
- Validate if the actions being done by the regasm.exe process are malicious.