Detectionhightest

Potential LethalHTA Technique Execution

Detects potential LethalHTA technique where the "mshta.exe" is spawned by an "svchost.exe" process

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Markus NeisCreated Thu Jun 07Updated Tue Feb 07ed5d72a6-f8f4-479d-ba79-02f6a80d7471windows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection:
        ParentImage|endswith: '\svchost.exe'
        Image|endswith: '\mshta.exe'
    condition: selection

False Positives

Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References

MITRE ATT&CK

Tactics

Sub-techniques

Rule Metadata

Rule ID

ed5d72a6-f8f4-479d-ba79-02f6a80d7471

Status

test

Level

high

Type

Detection

Created

Thu Jun 07

Modified

Tue Feb 07

Author

Path

rules/windows/process_creation/proc_creation_win_mshta_lethalhta_technique.yml

Raw Tags

attack.defense-evasionattack.t1218.005