7f645b95-4374-47ae-be1a-e4415308b550

WCPU.sys :inline

Description

WCPU.sys is a vulnerable driver and more information will be added as found.

  • UUID: 7f645b95-4374-47ae-be1a-e4415308b550
  • Created: 2023-01-09
  • Author: Michael Haag
  • Acknowledgement: |

DownloadBlock

This download link contains the vulnerable driver!

Commands

sc.exe create WCPU.sys binPath=C:\windows\temp\WCPU.sys type=kernel && sc.exe start WCPU.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 🔎

Expand

Block

on hashes

Alert

on hashes

Resources


  • https://github.com/namazso/physmem_drivers

    • Known Vulnerable Samples

    PropertyValue
    FilenameWCPU.sys
    Creation Timestamp2006-12-21 03:21:24
    MD5c1d063c9422a19944cdaa6714623f2ec
    SHA1f36a47edfacd85e0c6d4d22133dd386aee4eec15
    SHA256159e7c5a12157af92e0d14a0d3ea116f91c09e21a9831486e6dc592c93c10980
    Authentihash MD51a77777592eb402fe56bcb43d618d02e
    Authentihash SHA181e3e81048e0f323eee8d04aa9b291d77caa21e0
    Authentihash SHA25654bc506b2f0cf66d12d4a2415ab743c2b2a1f3079089e3e0c0c1f3f49dd7335e
    RichPEHeaderHash MD5d101f9368f4b720f40c512b9a7b67cc4
    RichPEHeaderHash SHA1abea1a5ff4c4e312d9bfb9d3cbcc21f4195c4809
    RichPEHeaderHash SHA2560d1f45e9aa0988e1a7aee185bbf5bf48fd4c4b7e1168c8ecb79f47a15dd03616
    CompanyWindows (R) Codename Longhorn DDK provider
    DescriptionASUS TDE CPU Driver
    ProductWindows (R) Codename Longhorn DDK driver
    OriginalFilenameCPU Driver

    Download

    Certificates

    Expand
    Certificate 3825d7faf861af9ef490e726b5d65ad5
    FieldValue
    ToBeSigned (TBS) MD5d6c7684e9aaa508cf268335f83afe040
    ToBeSigned (TBS) SHA118066d20ad92409c567cdfde745279ff71c75226
    ToBeSigned (TBS) SHA256a612fb22ce8be6dab75e47c98508f98496583e79c9c97b936a8caee9ea9f3fff
    SubjectC=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services Signer , G2
    ValidFrom2007-06-15 00:00:00
    ValidTo2012-06-14 23:59:59
    Signature50c54bc82480dfe40d24c2de1ab1a102a1a6822d0c831581370a820e2cb05a1761b5d805fe88dbf19191b3561a40a6eb92be3839b07536743a984fe437ba9989ca95421db0b9c7a08d57e0fad5640442354e01d133a217c84daa27c7f2e1864c02384d8378c6fc53e0ebe00687dda4969e5e0c98e2a5bebf8285c360e1dfad28d8c7a54b64dac71b5bbdac3908d53822a1338b2f8a9aebbc07213f44410907b5651c24bc48d34480eba1cfc902b414cf54c716a3805cf9793e5d727d88179e2c43a2ca53ce7d3df62a3ab84f9400a56d0a835df95e53f418b3570f70c3fbf5ad95a00e17dec4168060c90f2b6e8604f1ebf47827d105c5ee345b5eb94932f233
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber3825d7faf861af9ef490e726b5d65ad5
    Version3
    Certificate 47bf1995df8d524643f7db6d480d31a4
    FieldValue
    ToBeSigned (TBS) MD5518d2ea8a21e879c942d504824ac211c
    ToBeSigned (TBS) SHA121ce87d827077e61abddf2beba69fde5432ea031
    ToBeSigned (TBS) SHA2561ec3b4f02e03930a470020e0e48d24b84678bb558f46182888d870541f5e25c7
    SubjectC=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services CA
    ValidFrom2003-12-04 00:00:00
    ValidTo2013-12-03 23:59:59
    Signature4a6bf9ea58c2441c318979992b96bf82ac01d61c4ccdb08a586edf0829a35ec8ca9313e704520def47272f0038b0e4c9934e9ad4226215f73f37214f703180f18b3887b3e8e89700fecf55964e24d2a9274e7aaeb76141f32acee7c9d95eddbb2b853eb59db5d9e157ffbeb4c57ef5cf0c9ef097fe2bd33b521b1b3827f73f4a
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber47bf1995df8d524643f7db6d480d31a4
    Version3
    Certificate 4191a15a3978dfcf496566381d4c75c2
    FieldValue
    ToBeSigned (TBS) MD541011f8d0e7c7a6408334ca387914c61
    ToBeSigned (TBS) SHA1c7fc1727f5b75a6421a1f95c73bbdb23580c48e5
    ToBeSigned (TBS) SHA25688dd3952638ee82738c03168e6fd863fe4eab1059ee5e2926ad8cb587c255dc0
    SubjectC=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)04, CN=VeriSign Class 3 Code Signing 2004 CA
    ValidFrom2004-07-16 00:00:00
    ValidTo2014-07-15 23:59:59
    Signatureae3a17b84a7b55fa6455ec40a4ed494190999c89bcaf2e1dca7823f91c190f7feb68bc32d98838dedc3fd389b43fb18296f1a45abaed2e26d3de7c016e000a00a4069211480940f91c1879672324e0bbd5e150ae1bf50edde02e81cd80a36c524f9175558aba22f2d2ea4175882f63557d1e545a9559cad93481c05f5ef67ab5
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber4191a15a3978dfcf496566381d4c75c2
    Version3
    Certificate 610c120600000000001b
    FieldValue
    ToBeSigned (TBS) MD553c41bc1164e09e0cd1617a5bf913efd
    ToBeSigned (TBS) SHA193c03aac8951d494ecd5696b1c08658541b18727
    ToBeSigned (TBS) SHA25640bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b
    SubjectC=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority
    ValidFrom2006-05-23 17:01:29
    ValidTo2016-05-23 17:11:29
    Signature01e446b33b457f7513877e5f43de468ecb8abdb64741bccccc7491d8ce395195a4a6b547c0efd2da7b8f5711f4328c7ccd3fee42da04214af7c843884a6f5cca14fc4bd19f4cbdd4556ecc02be0da6888f8609baa425bde8b0f0fa8b714e67b0cb82a8d78e55f737ebf03e88efe4e08afd1c6e2e61414875b4b02c1d28d8490fd715f02473253ccc880cde284c6554fe5eae8cea19ad2c51b29b3a47f53c80350117e24987d6544afb4bab07bcbf7d79cfbf35005cbb9ecffc82891b39a05197b6dec0b307ff449644c0342a195cabeef03bec294eb513c537857e75d5b4d60d066eb5d26c237167eaf1718eaf4e74aa0cf9ecbf4c58fa5e909b6d39cb86883f8b1ca81632d5fe6db9f1f8b3ead791f6364778c0272a15c768d6f4c5fc4f4ec8673f102d409ff11ec96148e7a703fc31730cf04688fe56da492995ef09daa3e5beef60ecd954a0599c28bd54ef66157f874c84dba60e95672e517b3439b641c28c846826dc240209e7818e0a972defeea7b998a60f818dc710b5e1ed982f486f53854964789bec5dac970b5526c3efba8dc8d1a52f5a7f936b611a339b18b8a26210de24ea76e12f43ebecdd7c12342489da2855aee5754e312b6763b6a8d7ab730a03cec5ea593fc7eb2a45aea8625b2f009939abb45f73c308ec80118f470e8f2a1343e191066255bbffba3da9a93d260faeca7d628b155589d694344dd665
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber610c120600000000001b
    Version3
    Certificate 23eab3ac30c7016a299c8d31d99f3ae8
    FieldValue
    ToBeSigned (TBS) MD554f73eaca10fe12ff2e14194e2f019b8
    ToBeSigned (TBS) SHA1471cb77202e7d4941a5bff8ba813f5ed221dc32e
    ToBeSigned (TBS) SHA2569dba2d4765226ca91fb7104e0cbd01308c4e8ed9727ea661eeaa473d7825ee35
    SubjectC=TW, ST=Taiwan, L=Taipei / Peitou, O=ASUSTeK Computer Inc., OU=Digital ID Class 3 , Microsoft Software Validation v2, OU=Quality Testing Department, CN=ASUSTeK Computer Inc.
    ValidFrom2007-07-03 00:00:00
    ValidTo2008-07-26 23:59:59
    Signature2eca2db768d60f241f8c155b9db4bc91a02d16a3f1ec09059aa3b91a4ee0e44317d1f286d12133f44f4b282141287a8b9a3781b46184f732a599edb622e6057156d99221a130091c9f171f1a5f75125a68270d5c21ac379541136b8bf164a0ee6c9b9f5557754ea940f1c836e6d823528d764aaa41b038d84523e395c0ada5e17fea7912a0d10aa807fc0b89d4d116b92dbfc7028f1a23d5d679ac9a1023952a2cf98940ad5cc16bd9381403751ebd52c892205205d51d72b2a83ddb92547fce93e2b6617a42c7249312344ee0b9184859e8b1dd39bd5e61ab5999cbc8aa8807c8538c1926e49a9bbc29dcdf266a603c85f8df773c9659bcf08ffe2ba0f1cfa5
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber23eab3ac30c7016a299c8d31d99f3ae8
    Version3

    Imports

    Expand
    • ntoskrnl.exe
    • HAL.dll

    Imported Functions

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

    Exported Functions

    Expand

    Sections

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

    Signature

    Expand
    {
  "Certificates": [
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "3825d7faf861af9ef490e726b5d65ad5",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services Signer , G2",
      "TBS": {
        "MD5": "d6c7684e9aaa508cf268335f83afe040",
        "SHA1": "18066d20ad92409c567cdfde745279ff71c75226",
        "SHA256": "a612fb22ce8be6dab75e47c98508f98496583e79c9c97b936a8caee9ea9f3fff",
        "SHA384": "35c249d6ad0261a6229b2a727067ac6ba32a5d24b30b9249051f748c7735fbe2ec2ef26a702c50df1790fbe32a65aee7"
      },
      "ValidFrom": "2007-06-15 00:00:00",
      "ValidTo": "2012-06-14 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "47bf1995df8d524643f7db6d480d31a4",
      "Signature": "4a6bf9ea58c2441c318979992b96bf82ac01d61c4ccdb08a586edf0829a35ec8ca9313e704520def47272f0038b0e4c9934e9ad4226215f73f37214f703180f18b3887b3e8e89700fecf55964e24d2a9274e7aaeb76141f32acee7c9d95eddbb2b853eb59db5d9e157ffbeb4c57ef5cf0c9ef097fe2bd33b521b1b3827f73f4a",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services CA",
      "TBS": {
        "MD5": "518d2ea8a21e879c942d504824ac211c",
        "SHA1": "21ce87d827077e61abddf2beba69fde5432ea031",
        "SHA256": "1ec3b4f02e03930a470020e0e48d24b84678bb558f46182888d870541f5e25c7",
        "SHA384": "53e346bbde23779a5d116cc9d86fdd71c97b1f1b343439f8a11aa1d3c87af63864bb8488a5aeb2d0c26a6a1e0b15f03f"
      },
      "ValidFrom": "2003-12-04 00:00:00",
      "ValidTo": "2013-12-03 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "4191a15a3978dfcf496566381d4c75c2",
      "Signature": "ae3a17b84a7b55fa6455ec40a4ed494190999c89bcaf2e1dca7823f91c190f7feb68bc32d98838dedc3fd389b43fb18296f1a45abaed2e26d3de7c016e000a00a4069211480940f91c1879672324e0bbd5e150ae1bf50edde02e81cd80a36c524f9175558aba22f2d2ea4175882f63557d1e545a9559cad93481c05f5ef67ab5",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)04, CN=VeriSign Class 3 Code Signing 2004 CA",
      "TBS": {
        "MD5": "41011f8d0e7c7a6408334ca387914c61",
        "SHA1": "c7fc1727f5b75a6421a1f95c73bbdb23580c48e5",
        "SHA256": "88dd3952638ee82738c03168e6fd863fe4eab1059ee5e2926ad8cb587c255dc0",
        "SHA384": "a00aa5ed457c41e37967882644d63366bae014f03a986576d8514164d7027acf7d0b5e03d764db2558f60db148954459"
      },
      "ValidFrom": "2004-07-16 00:00:00",
      "ValidTo": "2014-07-15 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "610c120600000000001b",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority",
      "TBS": {
        "MD5": "53c41bc1164e09e0cd1617a5bf913efd",
        "SHA1": "93c03aac8951d494ecd5696b1c08658541b18727",
        "SHA256": "40bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b",
        "SHA384": "f51d4e75ba638f7314cd59b8d6d45f3b34d35ce6986e9d205cd6f333e8e8d8e9c91f636e6bc84731b6661673f40963d8"
      },
      "ValidFrom": "2006-05-23 17:01:29",
      "ValidTo": "2016-05-23 17:11:29",
      "Version": 3
    },
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "23eab3ac30c7016a299c8d31d99f3ae8",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=TW, ST=Taiwan, L=Taipei / Peitou, O=ASUSTeK Computer Inc., OU=Digital ID Class 3 , Microsoft Software Validation v2, OU=Quality Testing Department, CN=ASUSTeK Computer Inc.",
      "TBS": {
        "MD5": "54f73eaca10fe12ff2e14194e2f019b8",
        "SHA1": "471cb77202e7d4941a5bff8ba813f5ed221dc32e",
        "SHA256": "9dba2d4765226ca91fb7104e0cbd01308c4e8ed9727ea661eeaa473d7825ee35",
        "SHA384": "272d877ad02e5487a0864e4d876a9e06fea5ead9cd149e7a48c4f111cfa8dc2f05f1042f2822b42360896da334e6390d"
      },
      "ValidFrom": "2007-07-03 00:00:00",
      "ValidTo": "2008-07-26 23:59:59",
      "Version": 3
    }
  ],
  "CertificatesInfo": "",
  "Signer": [
    {
      "Issuer": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)04, CN=VeriSign Class 3 Code Signing 2004 CA",
      "SerialNumber": "23eab3ac30c7016a299c8d31d99f3ae8",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2024-09-26