6d21df78-d718-44df-b722-99eec654f5b2

MsIo64.sys :inline

Description

The MSI AmbientLink MsIo64 driver 1.0.0.8 has a Buffer Overflow (0x80102040, 0x80102044, 0x80102050,and 0x80102054)

  • UUID: 6d21df78-d718-44df-b722-99eec654f5b2
  • Created: 2023-01-09
  • Author: Michael Haag
  • Acknowledgement: |

DownloadBlock

This download link contains the vulnerable driver!

Commands

sc.exe create MsIo64.sys binPath=C:\windows\temp\MsIo64.sys type=kernel && sc.exe start MsIo64.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://www.matteomalvica.com/blog/2020/09/24/weaponizing-cve-2020-17382/
  • https://packetstormsecurity.com/files/159315/MSI-Ambient-Link-Driver-1.0.0.8-Privilege-Escalation.html
  • https://www.coresecurity.com/core-labs/advisories/msi-ambient-link-multiple-vulnerabilities
  • https://github.com/Exploitables/CVE-2020-17382
  • https://github.com/namazso/physmem_drivers

    • CVE

  • CVE-2020-17382

    • Known Vulnerable Samples

    PropertyValue
    FilenameMsIo64.sys
    Creation Timestamp2019-10-16 19:19:01
    MD5dc943bf367ae77016ae399df8e71d38a
    SHA16b54f8f137778c1391285fee6150dfa58a8120b1
    SHA25643ba8d96d5e8e54cab59d82d495eeca730eeb16e4743ed134cdd495c51a4fc89
    Authentihash MD59bb721ac0afc94a499a238ae32418d51
    Authentihash SHA104a903f13528536f1d0b1751886754d9aa5cdafa
    Authentihash SHA2565bf00eff58e5bbe4cf578ec37b9e13c8fa74511fb2644352fcc091347153a709
    RichPEHeaderHash MD516fd38750e66bdbd1fea732d9f09426a
    RichPEHeaderHash SHA17ce9165e772f5ac8f706f6f6af8144fcf014918d
    RichPEHeaderHash SHA256cca1d17de91fd6c28483d04c00c9e3040abe9ddc2db79db94f16372a6dedfe85
    CompanyMICSYS Technology Co., LTd
    DescriptionMICSYS driver
    ProductMsIo64 Driver Version 1.1
    OriginalFilenameMsIo64.sys

    Download

    Certificates

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    Certificate 33000000319479a318f5522d06000000000031
    FieldValue
    ToBeSigned (TBS) MD55b81fd0f706522a8d7c9f2957283c0b4
    ToBeSigned (TBS) SHA184d894599653a8ed0e0b2802db3197dc177908cc
    ToBeSigned (TBS) SHA2564fa629304df4287c97ae5b7e481974316e9daf776b0cdeffab1671e7dca68fb4
    SubjectC=US, ST=Washington, L=Redmond, O=Microsoft Corporation, CN=Microsoft Windows Hardware Compatibility Publisher
    ValidFrom2019-06-05 18:34:00
    ValidTo2020-06-03 18:34:00
    Signature312314217055afc1a5751181c7d2d7619b23ba17166e6ae6f358b16921c925c6e3b75c31b93035f357c154fe4d347019e927db1957193b741e3371b46f4d6212b3bec972d6ff2297e8b1f2391f840045471ee31c524d4f5bf1cae4a32b73f6e48f51f777bb5b8a726db2a387c7c8df42289540f4f3d27b37d4ab4854efba809021879f3257d5670d70003a51d62bbc68e345a769f37ccb3ad336b7b3c494f5d56ef8300228d29835e5129b070742a220f83b6c9d5e2589cf2e7a1f7b59cfc81cda3232fc2fa448d736db546dc4b274cad3da83433deaa3eb9919b23ad08dc4055a8026711adcfccdb47d7a7c1adb2671ecc7198a786973807699a0ee236a46771f88913b769693b0b8ce9b002a40c2aa426edfd9a98368f89817b0d174458a390e11628e21f77e751431fae13831228e0e357610a24d89806d85390e9b3831792f62688bf04f91ee9a854b252452de7e752f39e57765a09a4ff41ae96144593a8a99688c6c9ad6b9fcaba1189ef2372b99e96db3fe6402b0e125b17f36c6f70fc1eb83257ce639b6c691a9ec031dddb9fa6536bb8e6080c9db976533f4ddfb73309b6498543cc94d3283d43668d614dd60a4fe707eb3b871da3204c534c8cc73cbc66aeb36cefd765439eef68d7ee9c515eb617f051a72097d0a25003df2dceccc9a0c4be1fd27e473955cc83ee9dba626748b1cb723c3b1c8b8ebc59321a0f5
    SignatureAlgorithmOID1.2.840.113549.1.1.11
    IsCertificateAuthorityFalse
    SerialNumber33000000319479a318f5522d06000000000031
    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": "33000000319479a318f5522d06000000000031",
      "Signature": "312314217055afc1a5751181c7d2d7619b23ba17166e6ae6f358b16921c925c6e3b75c31b93035f357c154fe4d347019e927db1957193b741e3371b46f4d6212b3bec972d6ff2297e8b1f2391f840045471ee31c524d4f5bf1cae4a32b73f6e48f51f777bb5b8a726db2a387c7c8df42289540f4f3d27b37d4ab4854efba809021879f3257d5670d70003a51d62bbc68e345a769f37ccb3ad336b7b3c494f5d56ef8300228d29835e5129b070742a220f83b6c9d5e2589cf2e7a1f7b59cfc81cda3232fc2fa448d736db546dc4b274cad3da83433deaa3eb9919b23ad08dc4055a8026711adcfccdb47d7a7c1adb2671ecc7198a786973807699a0ee236a46771f88913b769693b0b8ce9b002a40c2aa426edfd9a98368f89817b0d174458a390e11628e21f77e751431fae13831228e0e357610a24d89806d85390e9b3831792f62688bf04f91ee9a854b252452de7e752f39e57765a09a4ff41ae96144593a8a99688c6c9ad6b9fcaba1189ef2372b99e96db3fe6402b0e125b17f36c6f70fc1eb83257ce639b6c691a9ec031dddb9fa6536bb8e6080c9db976533f4ddfb73309b6498543cc94d3283d43668d614dd60a4fe707eb3b871da3204c534c8cc73cbc66aeb36cefd765439eef68d7ee9c515eb617f051a72097d0a25003df2dceccc9a0c4be1fd27e473955cc83ee9dba626748b1cb723c3b1c8b8ebc59321a0f5",
      "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": "5b81fd0f706522a8d7c9f2957283c0b4",
        "SHA1": "84d894599653a8ed0e0b2802db3197dc177908cc",
        "SHA256": "4fa629304df4287c97ae5b7e481974316e9daf776b0cdeffab1671e7dca68fb4",
        "SHA384": "0b89dc122fc7ebf80881a5047ffbbcb0bec30636516aff4f43307e2a925a476cabfc26e2cc392ad748d655f6ec4c8b75"
      },
      "ValidFrom": "2019-06-05 18:34:00",
      "ValidTo": "2020-06-03 18:34:00",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "330000000d690d5d7893d076df00000000000d",
      "Signature": "96b5c33b31f27b6ba11f59dd742c3764b1bca093f9f33347e9f95df21d89f4579ee33f10a3595018053b142941b6a70e5b81a2ccbd8442c1c4bed184c2c4bd0c8c47bcbd8886fb5a0896ae2c2fdfbf9366a32b20ca848a6945273f732332936a23e9fffdd918edceffbd6b41738d579cf8b46d499805e6a335a9f07e6e86c06ba8086725afc0998cdba7064d4093188ba959e69914b912178144ac57c3ae8eae947bcb3b8edd7ab4715bba2bc3c7d085234b371277a54a2f7f1ab763b94459ed9230cce47c099212111f52f51e0291a4d7d7e58f8047ff189b7fd19c0671dcf376197790d52a0fbc6c12c4c50c2066f50e2f5093d8cafb7fe556ed09d8a753b1c72a6978dcf05fe74b20b6af63b5e1b15c804e9c7aa91d4df72846782106954d32dd6042e4b61ac4f24636de357302c1b5e55fb92b59457a9243d7c4e963dd368f76c728caa8441be8321a66cde5485c4a0a602b469206609698dcd933d721777f886dac4772daa2466eab64682bd24e98fb35cc7fec3f136d11e5db77edc1c37e1f6a4a14f8b4a721c671866770cdd819a35d1fa09b9a7cc55d4d728e74077fa74d00fcdd682412772a557527cda92c1d8e7c19ee692c9f7425338208db38cc7cc74f6c3a6bc237117872fe55596460333e2edfc42de72cd7fb0a82256fb8d70c84a5e1c4746e2a95329ea0fecdb4188fd33bad32b2b19ab86d0543fbff0d0f",
      "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": "33000000319479a318f5522d06000000000031",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2024-09-26