Analytics Alerts

Browse the Cortex analytics alert reference.

Severity
Detection module
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1 alert match the current filters.

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  • Mshta.exe spawns from a browser process Low 1 variation

    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.

    Activation:
    14 Days
    Training:
    30 Days
    Test:
    N/A (single event)
    Deduplication:
    1 Day
    ATT&CK tactics: Stealth (TA0005)
    ATT&CK techniques: System Binary Proxy Execution: Mshta (T1218.005)
    Required data: XDR Agent
    Detector tags: LOLBIN Execution Analytics
    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.

    Variations

    Mshta.exe spawns from a browser process that executes a script from a URL

    Medium overridden

    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. overridden