7f645b95-4374-47ae-be1a-e4415308b550

WCPU.sys

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: |

This download link contains the vulnerable driver!

Commands

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

Use Case	Privileges	Operating System
Elevate privileges	kernel	Windows 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

Property	Value
Filename	WCPU.sys
Creation Timestamp	2006-12-21 03:21:24
MD5	c1d063c9422a19944cdaa6714623f2ec
SHA1	f36a47edfacd85e0c6d4d22133dd386aee4eec15
SHA256	159e7c5a12157af92e0d14a0d3ea116f91c09e21a9831486e6dc592c93c10980
Authentihash MD5	1a77777592eb402fe56bcb43d618d02e
Authentihash SHA1	81e3e81048e0f323eee8d04aa9b291d77caa21e0
Authentihash SHA256	54bc506b2f0cf66d12d4a2415ab743c2b2a1f3079089e3e0c0c1f3f49dd7335e
RichPEHeaderHash MD5	d101f9368f4b720f40c512b9a7b67cc4
RichPEHeaderHash SHA1	abea1a5ff4c4e312d9bfb9d3cbcc21f4195c4809
RichPEHeaderHash SHA256	0d1f45e9aa0988e1a7aee185bbf5bf48fd4c4b7e1168c8ecb79f47a15dd03616
Company	Windows (R) Codename Longhorn DDK provider
Description	ASUS TDE CPU Driver
Product	Windows (R) Codename Longhorn DDK driver
OriginalFilename	CPU Driver

Download

Certificates

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Certificate 3825d7faf861af9ef490e726b5d65ad5

Field	Value
ToBeSigned (TBS) MD5	d6c7684e9aaa508cf268335f83afe040
ToBeSigned (TBS) SHA1	18066d20ad92409c567cdfde745279ff71c75226
ToBeSigned (TBS) SHA256	a612fb22ce8be6dab75e47c98508f98496583e79c9c97b936a8caee9ea9f3fff
Subject	C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services Signer , G2
ValidFrom	2007-06-15 00:00:00
ValidTo	2012-06-14 23:59:59
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	False
SerialNumber	3825d7faf861af9ef490e726b5d65ad5
Version	3

Certificate 47bf1995df8d524643f7db6d480d31a4

Field	Value
ToBeSigned (TBS) MD5	518d2ea8a21e879c942d504824ac211c
ToBeSigned (TBS) SHA1	21ce87d827077e61abddf2beba69fde5432ea031
ToBeSigned (TBS) SHA256	1ec3b4f02e03930a470020e0e48d24b84678bb558f46182888d870541f5e25c7
Subject	C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services CA
ValidFrom	2003-12-04 00:00:00
ValidTo	2013-12-03 23:59:59
Signature	4a6bf9ea58c2441c318979992b96bf82ac01d61c4ccdb08a586edf0829a35ec8ca9313e704520def47272f0038b0e4c9934e9ad4226215f73f37214f703180f18b3887b3e8e89700fecf55964e24d2a9274e7aaeb76141f32acee7c9d95eddbb2b853eb59db5d9e157ffbeb4c57ef5cf0c9ef097fe2bd33b521b1b3827f73f4a
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	47bf1995df8d524643f7db6d480d31a4
Version	3

Certificate 4191a15a3978dfcf496566381d4c75c2

Field	Value
ToBeSigned (TBS) MD5	41011f8d0e7c7a6408334ca387914c61
ToBeSigned (TBS) SHA1	c7fc1727f5b75a6421a1f95c73bbdb23580c48e5
ToBeSigned (TBS) SHA256	88dd3952638ee82738c03168e6fd863fe4eab1059ee5e2926ad8cb587c255dc0
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
ValidFrom	2004-07-16 00:00:00
ValidTo	2014-07-15 23:59:59
Signature	ae3a17b84a7b55fa6455ec40a4ed494190999c89bcaf2e1dca7823f91c190f7feb68bc32d98838dedc3fd389b43fb18296f1a45abaed2e26d3de7c016e000a00a4069211480940f91c1879672324e0bbd5e150ae1bf50edde02e81cd80a36c524f9175558aba22f2d2ea4175882f63557d1e545a9559cad93481c05f5ef67ab5
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	4191a15a3978dfcf496566381d4c75c2
Version	3

Certificate 610c120600000000001b

Field	Value
ToBeSigned (TBS) MD5	53c41bc1164e09e0cd1617a5bf913efd
ToBeSigned (TBS) SHA1	93c03aac8951d494ecd5696b1c08658541b18727
ToBeSigned (TBS) SHA256	40bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b
Subject	C=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority
ValidFrom	2006-05-23 17:01:29
ValidTo	2016-05-23 17:11:29
Signature	01e446b33b457f7513877e5f43de468ecb8abdb64741bccccc7491d8ce395195a4a6b547c0efd2da7b8f5711f4328c7ccd3fee42da04214af7c843884a6f5cca14fc4bd19f4cbdd4556ecc02be0da6888f8609baa425bde8b0f0fa8b714e67b0cb82a8d78e55f737ebf03e88efe4e08afd1c6e2e61414875b4b02c1d28d8490fd715f02473253ccc880cde284c6554fe5eae8cea19ad2c51b29b3a47f53c80350117e24987d6544afb4bab07bcbf7d79cfbf35005cbb9ecffc82891b39a05197b6dec0b307ff449644c0342a195cabeef03bec294eb513c537857e75d5b4d60d066eb5d26c237167eaf1718eaf4e74aa0cf9ecbf4c58fa5e909b6d39cb86883f8b1ca81632d5fe6db9f1f8b3ead791f6364778c0272a15c768d6f4c5fc4f4ec8673f102d409ff11ec96148e7a703fc31730cf04688fe56da492995ef09daa3e5beef60ecd954a0599c28bd54ef66157f874c84dba60e95672e517b3439b641c28c846826dc240209e7818e0a972defeea7b998a60f818dc710b5e1ed982f486f53854964789bec5dac970b5526c3efba8dc8d1a52f5a7f936b611a339b18b8a26210de24ea76e12f43ebecdd7c12342489da2855aee5754e312b6763b6a8d7ab730a03cec5ea593fc7eb2a45aea8625b2f009939abb45f73c308ec80118f470e8f2a1343e191066255bbffba3da9a93d260faeca7d628b155589d694344dd665
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	610c120600000000001b
Version	3

Certificate 23eab3ac30c7016a299c8d31d99f3ae8

Field	Value
ToBeSigned (TBS) MD5	54f73eaca10fe12ff2e14194e2f019b8
ToBeSigned (TBS) SHA1	471cb77202e7d4941a5bff8ba813f5ed221dc32e
ToBeSigned (TBS) SHA256	9dba2d4765226ca91fb7104e0cbd01308c4e8ed9727ea661eeaa473d7825ee35
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.
ValidFrom	2007-07-03 00:00:00
ValidTo	2008-07-26 23:59:59
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	False
SerialNumber	23eab3ac30c7016a299c8d31d99f3ae8
Version	3

Imports

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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": "01e446b33b457f7513877e5f43de468ecb8abdb64741bccccc7491d8ce395195a4a6b547c0efd2da7b8f5711f4328c7ccd3fee42da04214af7c843884a6f5cca14fc4bd19f4cbdd4556ecc02be0da6888f8609baa425bde8b0f0fa8b714e67b0cb82a8d78e55f737ebf03e88efe4e08afd1c6e2e61414875b4b02c1d28d8490fd715f02473253ccc880cde284c6554fe5eae8cea19ad2c51b29b3a47f53c80350117e24987d6544afb4bab07bcbf7d79cfbf35005cbb9ecffc82891b39a05197b6dec0b307ff449644c0342a195cabeef03bec294eb513c537857e75d5b4d60d066eb5d26c237167eaf1718eaf4e74aa0cf9ecbf4c58fa5e909b6d39cb86883f8b1ca81632d5fe6db9f1f8b3ead791f6364778c0272a15c768d6f4c5fc4f4ec8673f102d409ff11ec96148e7a703fc31730cf04688fe56da492995ef09daa3e5beef60ecd954a0599c28bd54ef66157f874c84dba60e95672e517b3439b641c28c846826dc240209e7818e0a972defeea7b998a60f818dc710b5e1ed982f486f53854964789bec5dac970b5526c3efba8dc8d1a52f5a7f936b611a339b18b8a26210de24ea76e12f43ebecdd7c12342489da2855aee5754e312b6763b6a8d7ab730a03cec5ea593fc7eb2a45aea8625b2f009939abb45f73c308ec80118f470e8f2a1343e191066255bbffba3da9a93d260faeca7d628b155589d694344dd665",
      "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: 2024-04-09