Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
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 |
Low |
Description
Mshta is the Microsoft HTML Application Host. It executes HTML applications on Windows. Detected when a browser process has spawned mshta, which can be a potential attack vector.
Attacker's Goals
Execute malicious code through system binary proxy execution to bypass application controls and security monitoring.
Investigative actions
- Examine the command line arguments passed to mshta for suspicious URLs or file paths.
- Check the browser process that spawned mshta for signs of compromise.
- Review network connections around the time of execution.
- Analyze any HTML applications (.hta files) that may have been executed.