de365e80-45cb-48fb-af6e-0a96a5ad7777

CtiIo64.sys

We were not able to verify the hash of this driver successfully, it has not been confirmed.

Description

The driver is part of Dragon Center (or MSI Center?) from MSI. It creates \Device\CtiIo ACLless DO and provides access to memory and IO. The driver is signed with WHQL cert.

  • UUID: de365e80-45cb-48fb-af6e-0a96a5ad7777
  • Created: 2023-05-22
  • Author: zwclose
  • Acknowledgement: zwclose | @zwclose

Download

This download link contains the vulnerable driver!

Commands

sc.exe create CtiIo64.sys binPath=C:\windows\temp\CtiIo64.sys type=kernel && sc.exe start CtiIo64.sys
Use CasePrivilegesOperating System
Elevate privilegeskernelWindows 10

Detections

YARA 🏹

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Exact Match

with header and size limitation

Threat Hunting

without header and size limitation

Renamed

for renamed driver files

Sigma 🛡️

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Names

detects loading using name only

Hashes

detects loading using hashes only

Sysmon 🔎

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Block

on hashes

Alert

on hashes

Resources


  • https://github.com/magicsword-io/LOLDrivers/pull/81

    • Known Vulnerable Samples

    PropertyValue
    Filename
    Creation Timestamp2021-05-06 21:21:55
    MD53f8cdaf7413000d34d6a1a1d5341a11b
    SHA1c1c869deee6293eee3d0d84b6706d90fab8f8558
    SHA2562121a2bb8ebbf2e6e82c782b6f3c6b7904f686aa495def25cf1cf52a42e16109
    Authentihash MD56bbd44ee42e3bbc6b4acc12fe11d765a
    Authentihash SHA1a19ec41abb65a26116bce1413470271d89d18995
    Authentihash SHA2562b4af74d74a4380130a1c46d2f1ffe112d87d9d7646540bbbd201c5bd176082b
    RichPEHeaderHash MD5ca146dde5be4c188affdff2cb309138f
    RichPEHeaderHash SHA12ccd48af92b211fe134d5fa3c7888b95d648825e
    RichPEHeaderHash SHA2561a49f88636cc1a3ab481d8a17a6bc61de8a93ff1dc8b6253dcc5e3cbcaac827c
    CompanyCreative Technology Innovation Co., LTd.
    DescriptionCTI IO driver
    ProductCtiIo64 Driver Version 1.0
    OriginalFilenameCtiIo64.sys

    Download

    Certificates

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    Certificate 33000000433a68189e33902987000000000043
    FieldValue
    ToBeSigned (TBS) MD53d790bd5602e84a4aa8560133ced0a41
    ToBeSigned (TBS) SHA1909e31e3e3808ab55d508fc0ba47e0132a57d7ab
    ToBeSigned (TBS) SHA256ac1acbcba260f10270527c3762457c1b96818466df9da51dfec3b147c90db453
    SubjectC=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher
    ValidFrom2020-12-15 22:25:28
    ValidTo2021-12-02 22:25:28
    Signature3a8e15af3660c47a1def4303906af38b6ca69186409b4f44ebe8106ece701f6e00e734fe1d0bb290d1496c3f17859e1f9ff1f31080dd8bfd2bb5013956c2f49ffe73916654f04c35b9df2fb27c55a71df3d8e1f25185d398abed244b42e27741c0b1c953c139c011b801f00e80ea992005a1305dd65bcb2032790b0d87636b75d2fb8f431546cd906ab0a55083a26d2649d822871b6aacd1b4d8c74ea2366903eeb318e7826db64e3a858d6377cf2f9a628f21d6ef65279603c18d25d365dd370cef1a45527deec589a331a221c909a8b0d2010d078970678c648d62168056e3b775233eac20e50cc039a85900749f627a419e8959fcf21efc89da76426107e43261ccdcaebad659b89abfdd5d1a78e9d438868b9ff58cac5176bddff8c8dd11008ed72ed249bb7d78af559b04561e6b44aae7846b103d2db8c0e31a5f661851f97acba0757b474c1caa49cf8eed86de15a4118743a418b6b415e7770265801ba51061b5d32125ed5ba1e27fe83ac795f9cc868949b14d59eb4f596763da9102f9e6ae8fe92de61d68af67a906e0be424f5c81dcecd4d190953a66384c3b5fe33f7b402a0934c2befd4a51b2f2850ef05e156fc4e1460eab2f67e3cbc999db761f57970ccafbc49040e999965f5306c1f5c90ce172d889a3aa63ec502a60020b2a7b4fff562b9dc5c50a8e06bc52f04ff0fe535591e2e6b7325239666152819a
    SignatureAlgorithmOID1.2.840.113549.1.1.11
    IsCertificateAuthorityFalse
    SerialNumber33000000433a68189e33902987000000000043
    Version3
    Certificate 330000000d690d5d7893d076df00000000000d
    FieldValue
    ToBeSigned (TBS) MD583f69422963f11c3c340b81712eef319
    ToBeSigned (TBS) SHA10c5e5f24590b53bc291e28583acb78e5adc95601
    ToBeSigned (TBS) SHA256d8be9e4d9074088ef818bc6f6fb64955e90378b2754155126feebbbd969cf0ae
    SubjectC=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014
    ValidFrom2014-10-15 20:31:27
    ValidTo2029-10-15 20:41:27
    Signature96b5c33b31f27b6ba11f59dd742c3764b1bca093f9f33347e9f95df21d89f4579ee33f10a3595018053b142941b6a70e5b81a2ccbd8442c1c4bed184c2c4bd0c8c47bcbd8886fb5a0896ae2c2fdfbf9366a32b20ca848a6945273f732332936a23e9fffdd918edceffbd6b41738d579cf8b46d499805e6a335a9f07e6e86c06ba8086725afc0998cdba7064d4093188ba959e69914b912178144ac57c3ae8eae947bcb3b8edd7ab4715bba2bc3c7d085234b371277a54a2f7f1ab763b94459ed9230cce47c099212111f52f51e0291a4d7d7e58f8047ff189b7fd19c0671dcf376197790d52a0fbc6c12c4c50c2066f50e2f5093d8cafb7fe556ed09d8a753b1c72a6978dcf05fe74b20b6af63b5e1b15c804e9c7aa91d4df72846782106954d32dd6042e4b61ac4f24636de357302c1b5e55fb92b59457a9243d7c4e963dd368f76c728caa8441be8321a66cde5485c4a0a602b469206609698dcd933d721777f886dac4772daa2466eab64682bd24e98fb35cc7fec3f136d11e5db77edc1c37e1f6a4a14f8b4a721c671866770cdd819a35d1fa09b9a7cc55d4d728e74077fa74d00fcdd682412772a557527cda92c1d8e7c19ee692c9f7425338208db38cc7cc74f6c3a6bc237117872fe55596460333e2edfc42de72cd7fb0a82256fb8d70c84a5e1c4746e2a95329ea0fecdb4188fd33bad32b2b19ab86d0543fbff0d0f
    SignatureAlgorithmOID1.2.840.113549.1.1.11
    IsCertificateAuthorityTrue
    SerialNumber330000000d690d5d7893d076df00000000000d
    Version3

    Imports

    Expand
    • ntoskrnl.exe
    • HAL.dll

    Imported Functions

    Expand
    • RtlInitUnicodeString
    • DbgPrint
    • ZwClose
    • ZwMapViewOfSection
    • ObReferenceObjectByHandle
    • ZwOpenSection
    • IoDeleteSymbolicLink
    • ZwUnmapViewOfSection
    • IofCompleteRequest
    • IoCreateSymbolicLink
    • IoCreateDevice
    • ObfDereferenceObject
    • IoDeleteDevice
    • HalTranslateBusAddress

    Exported Functions

    Expand

    Sections

    Expand
    • .text
    • .rdata
    • .data
    • .pdata
    • INIT
    • .rsrc

    Signature

    Expand
    {
  "Certificates": [
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "33000000433a68189e33902987000000000043",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
      "Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher",
      "TBS": {
        "MD5": "3d790bd5602e84a4aa8560133ced0a41",
        "SHA1": "909e31e3e3808ab55d508fc0ba47e0132a57d7ab",
        "SHA256": "ac1acbcba260f10270527c3762457c1b96818466df9da51dfec3b147c90db453",
        "SHA384": "c548f472f381df2da149c036e2f47be20293838eb23adce5e1b0ad1ba1fe8c33f688528452146c87dcb26070a2a23ced"
      },
      "ValidFrom": "2020-12-15 22:25:28",
      "ValidTo": "2021-12-02 22:25:28",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "330000000d690d5d7893d076df00000000000d",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
      "Subject": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014",
      "TBS": {
        "MD5": "83f69422963f11c3c340b81712eef319",
        "SHA1": "0c5e5f24590b53bc291e28583acb78e5adc95601",
        "SHA256": "d8be9e4d9074088ef818bc6f6fb64955e90378b2754155126feebbbd969cf0ae",
        "SHA384": "260ad59ba706420f68ba212931153bd89f760c464b21be55fba9d014fff322407859d4ebfb78ea9a3330f60dc9821a63"
      },
      "ValidFrom": "2014-10-15 20:31:27",
      "ValidTo": "2029-10-15 20:41:27",
      "Version": 3
    }
  ],
  "CertificatesInfo": "",
  "Signer": [
    {
      "Issuer": "C=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Third Party Component CA 2014",
      "SerialNumber": "33000000433a68189e33902987000000000043",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2024-04-09