Detectionhightest

Potential SysInternals ProcDump Evasion

Detects uses of the SysInternals ProcDump utility in which ProcDump or its output get renamed, or a dump file is moved or copied to a different name

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Florian Roth (Nextron Systems)Created Tue Jan 11Updated Tue May 0979b06761-465f-4f88-9ef2-150e24d3d737windows

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_1:
        CommandLine|contains:
            - 'copy procdump'
            - 'move procdump'
    selection_2:
        CommandLine|contains|all:
            - 'copy '
            - '.dmp '
        CommandLine|contains:
            - '2.dmp'
            - 'lsass'
            - 'out.dmp'
    selection_3:
        CommandLine|contains:
            - 'copy lsass.exe_'  # procdump default pattern e.g. lsass.exe_220111_085234.dmp
            - 'move lsass.exe_'  # procdump default pattern e.g. lsass.exe_220111_085234.dmp
    condition: 1 of selection_*