title: Process Hacker and System Informer Driver Load
id: 67add051-9ee7-4ad3-93ba-42935615ae8d
status: experimental
description: Detects the load of drivers used by Process Hacker and System Informer
references:
    - https://processhacker.sourceforge.io/
    - https://systeminformer.sourceforge.io/
    - https://github.com/winsiderss/systeminformer
author: Florian Roth
date: 2022/11/16
tags:
    - attack.privilege_escalation
    - cve.2021.21551
    - attack.t1543
logsource:
    category: driver_load
    product: windows
detection:
    selection_image:
        ImageLoaded|endswith: 
            - '\kprocesshacker.sys'
            - '\SystemInformer.sys'
    selection_processhack_sysmon:
        Hashes|contains:
            - 'IMPHASH=821D74031D3F625BCBD0DF08B70F1E77'
            - 'IMPHASH=F86759BB4DE4320918615DC06E998A39'
            - 'IMPHASH=0A64EEB85419257D0CE32BD5D55C3A18'
            - 'IMPHASH=6E7B34DFC017700B1517B230DF6FF0D0'
    selection_processhack_hashes:
        Imphash:
            - '821D74031D3F625BCBD0DF08B70F1E77'
            - 'F86759BB4DE4320918615DC06E998A39'
            - '0A64EEB85419257D0CE32BD5D55C3A18'
            - '6E7B34DFC017700B1517B230DF6FF0D0'
    selection_systeminformer_sysmon:
        Hashes|contains:
            - 'SHA256=8B9AD98944AC9886EA4CB07700E71B78BE4A2740934BB7E46CA3B56A7C59AD24'
            - 'SHA256=A41348BEC147CA4D9EA2869817527EB5CEA2E20202AF599D2B30625433BCF454'
            - 'SHA256=38EE0A88AF8535A11EFE8D8DA9C6812AA07067B75A64D99705A742589BDD846D'
            - 'SHA256=A773891ACF203A7EB0C0D30942FB1347648F1CD918AE2BFD9A4857B4DCF5081B'
            - 'SHA256=4C3B81AC88A987BBDF7D41FA0AECC2CEDF5B9BD2F45E7A21F376D05345FC211D'
            - 'SHA256=3241BC14BEC51CE6A691B9A3562E5C1D52E9D057D27A3D67FD0B245C350B6D34'
            - 'SHA256=047C42E9BBA28366868847C7DAFC1E043FB038C796422D37220493517D68EE89'
            - 'SHA256=18931DC81E95D0020466FA091E16869DBE824E543A4C2C8FE644FA71A0F44FEB'
            - 'SHA256=B4C2EF76C204273132FDE38F0DED641C2C5EE767652E64E4C4071A4A973B6C1B'
            - 'SHA256=640954AFC268565F7DAA6E6F81A8EE05311E33E34332B501A3C3FE5B22ADEA97'
            - 'SHA256=251BE949F662C838718F8AA0A5F8211FB90346D02BD63FF91E6B224E0E01B656'
            - 'SHA256=E2606F272F7BA054DF16BE464FDA57211EF0D14A0D959F9C8DCB0575DF1186E4'
            - 'SHA256=3A9E1D17BEEB514F1B9B3BACAEE7420285DE5CBDCE89C5319A992C6CBD1DE138'
    selection_systeminformer_hashes:
        SHA256:
            - '8b9ad98944ac9886ea4cb07700e71b78be4a2740934bb7e46ca3b56a7c59ad24'
            - 'a41348bec147ca4d9ea2869817527eb5cea2e20202af599d2b30625433bcf454'
            - '38ee0a88af8535a11efe8d8da9c6812aa07067b75a64d99705a742589bdd846d'
            - 'a773891acf203a7eb0c0d30942fb1347648f1cd918ae2bfd9a4857b4dcf5081b'
            - '4c3b81ac88a987bbdf7d41fa0aecc2cedf5b9bd2f45e7a21f376d05345fc211d'
            - '3241bc14bec51ce6a691b9a3562e5c1d52e9d057d27a3d67fd0b245c350b6d34'
            - '047c42e9bba28366868847c7dafc1e043fb038c796422d37220493517d68ee89'
            - '18931dc81e95d0020466fa091e16869dbe824e543a4c2c8fe644fa71a0f44feb'
            - 'b4c2ef76c204273132fde38f0ded641c2c5ee767652e64e4c4071a4a973b6c1b'
            - '640954afc268565f7daa6e6f81a8ee05311e33e34332b501a3c3fe5b22adea97'
            - '251be949f662c838718f8aa0a5f8211fb90346d02bd63ff91e6b224e0e01b656'
            - 'e2606f272f7ba054df16be464fda57211ef0d14a0d959f9c8dcb0575df1186e4'
            - '3a9e1d17beeb514f1b9b3bacaee7420285de5cbdce89c5319a992c6cbd1de138'
    condition: 1 of selection*
falsepositives:
    - Legitimate user of process hacker or system informer by low level developers or system administrators
level: medium