d158321b-4d56-49c5-9a18-bcff9f4a2ebe

BS_HWMIo64.sys

Description

BS_HWMIo64.sys is a vulnerable driver and more information will be added as found.

UUID: d158321b-4d56-49c5-9a18-bcff9f4a2ebe
Created: 2023-01-09
Author: Michael Haag
Acknowledgement: |

This download link contains the vulnerable driver!

Commands

sc.exe create BS_HWMIo64.sys binPath=C:\windows\temp\BS_HWMIo64.sys type=kernel &amp;&amp; sc.exe start BS_HWMIo64.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 🔎

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Block

on hashes

Alert

on hashes

Resources

https://github.com/eclypsium/Screwed-Drivers/blob/master/DRIVERS.md

Known Vulnerable Samples

Property	Value
Filename	BS_HWMIo64.sys
Creation Timestamp	2016-06-03 19:39:23
MD5	338a98e1c27bc76f09331fcd7ae413a5
SHA1	9c24dd75e4074041dbe03bf21f050c77d748b8e9
SHA256	60c6f4f34c7319cb3f9ca682e59d92711a05a2688badbae4891b1303cd384813
Authentihash MD5	d6f9dc5cd435d1c210cd4053886b9f36
Authentihash SHA1	3281135748c9c7a9ddace55c648c720af810475f
Authentihash SHA256	3de51a3102db7297d96b4de5b60aca5f3a07e8577bbbed7f755f1de9a9c38e75
RichPEHeaderHash MD5	9e4425704fab855e1d15d14884b50fc4
RichPEHeaderHash SHA1	fc1001bb82b6e079b79ce69deb28d7e2c44b50d7
RichPEHeaderHash SHA256	b5dd410353c4011fe699e4a824a89792144f5a11c756f64d5b5acfea3a9f1c8a

Download

Certificates

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Certificate 7e93ebfb7cc64e59ea4b9a77d406fc3b

Field	Value
ToBeSigned (TBS) MD5	d0785ad36e427c92b19f6826ab1e8020
ToBeSigned (TBS) SHA1	365b7a9c21bd9373e49052c3e7b3e4646ddd4d43
ToBeSigned (TBS) SHA256	c2abb7484da91a658548de089d52436175fdb760a1387d225611dc0613a1e2ff
Subject	C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services CA , G2
ValidFrom	2012-12-21 00:00:00
ValidTo	2020-12-30 23:59:59
Signature	03099b8f79ef7f5930aaef68b5fae3091dbb4f82065d375fa6529f168dea1c9209446ef56deb587c30e8f9698d23730b126f47a9ae3911f82ab19bb01ac38eeb599600adce0c4db2d031a6085c2a7afce27a1d574ca86518e979406225966ec7c7376a8321088e41eaddd9573f1d7749872a16065ea6386a2212a35119837eb6
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	7e93ebfb7cc64e59ea4b9a77d406fc3b
Version	3

Certificate 0ecff438c8febf356e04d86a981b1a50

Field	Value
ToBeSigned (TBS) MD5	e9d38360b914c8863f6cba3ee58764d3
ToBeSigned (TBS) SHA1	4cba8eae47b6bf76f20b3504b98b8f062694a89b
ToBeSigned (TBS) SHA256	88901d86a4cc1f1bb193d08e1fb63d27452e63f83e228c657ab1a92e4ade3976
Subject	C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services Signer , G4
ValidFrom	2012-10-18 00:00:00
ValidTo	2020-12-29 23:59:59
Signature	783bb4912a004cf08f62303778a38427076f18b2de25dca0d49403aa864e259f9a40031cddcee379cb216806dab632b46dbff42c266333e449646d0de6c3670ef705a4356c7c8916c6e9b2dfb2e9dd20c6710fcd9574dcb65cdebd371f4378e678b5cd280420a3aaf14bc48829910e80d111fcdd5c766e4f5e0e4546416e0db0ea389ab13ada097110fc1c79b4807bac69f4fd9cb60c162bf17f5b093d9b5be216ca13816d002e380da8298f2ce1b2f45aa901af159c2c2f491bdb22bbc3fe789451c386b182885df03db451a179332b2e7bb9dc20091371eb6a195bcfe8a530572c89493fb9cf7fc9bf3e226863539abd6974acc51d3c7f92e0c3bc1cd80475
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	False
SerialNumber	0ecff438c8febf356e04d86a981b1a50
Version	3

Certificate 32ba71c02f695ce02de7e6be26c4e481

Field	Value
ToBeSigned (TBS) MD5	63308081ef616eacfd255ea80348d48e
ToBeSigned (TBS) SHA1	71101c0cb853bbae1723d1b1fe54acc512bbc1c5
ToBeSigned (TBS) SHA256	742cc2473ca94322239868d3930b1c7dc43c47e476d96676e4e05e192646b8e7
Subject	C=TW, ST=TAIPEI HSIEN, L=HSIN TIEN, O=BIOSTAR MICROTECH INT'L CORP, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=BIOSTAR MICROTECH INT'L CORP
ValidFrom	2013-08-26 00:00:00
ValidTo	2016-11-24 23:59:59
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	False
SerialNumber	32ba71c02f695ce02de7e6be26c4e481
Version	3

Certificate 611993e400000000001c

Field	Value
ToBeSigned (TBS) MD5	78a717e082dcc1cda3458d917e677d14
ToBeSigned (TBS) SHA1	4a872e0e51f9b304469cd1dedb496ee9b8b983a4
ToBeSigned (TBS) SHA256	317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8
Subject	C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=(c) 2006 VeriSign, Inc. , For authorized use only, CN=VeriSign Class 3 Public Primary Certification Authority , G5
ValidFrom	2011-02-22 19:25:17
ValidTo	2021-02-22 19:35:17
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	611993e400000000001c
Version	3

Certificate 5200e5aa2556fc1a86ed96c9d44b33c7

Field	Value
ToBeSigned (TBS) MD5	b30c31a572b0409383ed3fbe17e56e81
ToBeSigned (TBS) SHA1	4843a82ed3b1f2bfbee9671960e1940c942f688d
ToBeSigned (TBS) SHA256	03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9
Subject	C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)10, CN=VeriSign Class 3 Code Signing 2010 CA
ValidFrom	2010-02-08 00:00:00
ValidTo	2020-02-07 23:59:59
Signature	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
SignatureAlgorithmOID	1.2.840.113549.1.1.5
IsCertificateAuthority	True
SerialNumber	5200e5aa2556fc1a86ed96c9d44b33c7
Version	3

Imports

Expand

ntoskrnl.exe
HAL.dll

Imported Functions

Expand

KeInitializeSemaphore
IoCreateSymbolicLink
IoCreateDevice
KeSetEvent
MmUnmapIoSpace
KeDelayExecutionThread
PsCreateSystemThread
IoStartNextPacket
PsTerminateSystemThread
ExEventObjectType
MmMapIoSpace
IoDeleteDevice
ObReferenceObjectByHandle
KeWaitForSingleObject
KeReleaseSemaphore
ObfDereferenceObject
IoReleaseCancelSpinLock
IoAcquireCancelSpinLock
IoStartPacket
IofCompleteRequest
KeRemoveEntryDeviceQueue
KeBugCheckEx
RtlInitUnicodeString
ZwClose
IoDeleteSymbolicLink
HalSetBusDataByOffset
HalGetBusDataByOffset

Exported Functions

Expand

Sections

Expand

.text
.rdata
.data
.pdata
INIT

Signature

Expand

{
  "Certificates": [
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "7e93ebfb7cc64e59ea4b9a77d406fc3b",
      "Signature": "03099b8f79ef7f5930aaef68b5fae3091dbb4f82065d375fa6529f168dea1c9209446ef56deb587c30e8f9698d23730b126f47a9ae3911f82ab19bb01ac38eeb599600adce0c4db2d031a6085c2a7afce27a1d574ca86518e979406225966ec7c7376a8321088e41eaddd9573f1d7749872a16065ea6386a2212a35119837eb6",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services CA , G2",
      "TBS": {
        "MD5": "d0785ad36e427c92b19f6826ab1e8020",
        "SHA1": "365b7a9c21bd9373e49052c3e7b3e4646ddd4d43",
        "SHA256": "c2abb7484da91a658548de089d52436175fdb760a1387d225611dc0613a1e2ff",
        "SHA384": "eab4fe5ef90e0de4a6aa3a27769a5e879f588df5e4785aa4104debd1f81e19ea56d33e3a16e5facf99f68b5d8e3d287b"
      },
      "ValidFrom": "2012-12-21 00:00:00",
      "ValidTo": "2020-12-30 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "0ecff438c8febf356e04d86a981b1a50",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services Signer , G4",
      "TBS": {
        "MD5": "e9d38360b914c8863f6cba3ee58764d3",
        "SHA1": "4cba8eae47b6bf76f20b3504b98b8f062694a89b",
        "SHA256": "88901d86a4cc1f1bb193d08e1fb63d27452e63f83e228c657ab1a92e4ade3976",
        "SHA384": "e9f2a75334a9e336c5a4712eadee88d0374b0fdc273262f4e65c9040ad2793067cc076696db5279a478773485e285652"
      },
      "ValidFrom": "2012-10-18 00:00:00",
      "ValidTo": "2020-12-29 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": false,
      "SerialNumber": "32ba71c02f695ce02de7e6be26c4e481",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=TW, ST=TAIPEI HSIEN, L=HSIN TIEN, O=BIOSTAR MICROTECH INT\u0027L CORP, OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=BIOSTAR MICROTECH INT\u0027L CORP",
      "TBS": {
        "MD5": "63308081ef616eacfd255ea80348d48e",
        "SHA1": "71101c0cb853bbae1723d1b1fe54acc512bbc1c5",
        "SHA256": "742cc2473ca94322239868d3930b1c7dc43c47e476d96676e4e05e192646b8e7",
        "SHA384": "c98dc933ece7503d27498db2e37e5ab9e1ca3c8ddd7ce22eea3faf9ab86361945396553fb6d2898cee4444ecea8e7bad"
      },
      "ValidFrom": "2013-08-26 00:00:00",
      "ValidTo": "2016-11-24 23:59:59",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "611993e400000000001c",
      "Signature": "812a82168c34672be503eb347b8ca2a3508af45586f11e8c8eae7dee0319ce72951848ad6211fd20fd3f4706015ae2e06f8c152c4e3c6a506c0b36a3cf7a0d9c42bc5cf819d560e369e6e22341678c6883762b8f93a32ab57fbe59fba9c9b2268fcaa2f3821b983e919527978661ee5b5d076bcd86a8e26580a8e215e2b2be23056aba0cf347934daca48c077939c061123a050d89a3ec9f578984fbecca7c47661491d8b60f195de6b84aacbc47c8714396e63220a5dc7786fd3ce38b71db7b9b03fcb71d3264eb1652a043a3fa2ead59924e7cc7f233424838513a7c38c71b242228401e1a461f17db18f7f027356cb863d9cdb9645d2ba55eefc629b4f2c7f821cc04ba57fd01b6abc667f9e7d3997ff4f522fa72f5fdff3a1c423aa1f98018a5ee8d1cd4669e4501feaaeefffb178f30f7f1cd29c59decb5d549003d85b8cbbb933a276a49c030ae66c9f723283276f9a48356c848ce5a96aaa0cc0cc47fb48e97af6de35427c39f86c0d6e473089705dbd054625e0348c2d59f7fa7668cd09db04fd4d3985f4b7ac97fb22952d01280c70f54b61e67cdc6a06c110384d34875e72afeb03b6e0a3aa66b769905a3f177686133144706fc537f52bd92145c4a246a678caf8d90aad0f679211b93267cc3ce1ebd883892ae45c6196a4950b305f8ae59378a6a250394b1598150e8ba8380b72335f476b9671d5918ad208d94",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
      "Subject": "C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=(c) 2006 VeriSign, Inc. , For authorized use only, CN=VeriSign Class 3 Public Primary Certification Authority , G5",
      "TBS": {
        "MD5": "78a717e082dcc1cda3458d917e677d14",
        "SHA1": "4a872e0e51f9b304469cd1dedb496ee9b8b983a4",
        "SHA256": "317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8",
        "SHA384": "b71052da4eb9157c8c1a5d7f55df19d69b9128598b72fcca608e5b7cc7d64c43c5504b9c86355a6dc22ee40c88cc385c"
      },
      "ValidFrom": "2011-02-22 19:25:17",
      "ValidTo": "2021-02-22 19:35:17",
      "Version": 3
    },
    {
      "IsCertificateAuthority": true,
      "SerialNumber": "5200e5aa2556fc1a86ed96c9d44b33c7",
      "Signature": "5622e634a4c461cb48b901ad56a8640fd98c91c4bbcc0ce5ad7aa0227fdf47384a2d6cd17f711a7cec70a9b1f04fe40f0c53fa155efe749849248581261c911447b04c638cbba134d4c645e80d85267303d0a98c646ddc7192e645056015595139fc58146bfed4a4ed796b080c4172e737220609be23e93f449a1ee9619dccb1905cfc3dd28dac423d6536d4b43d40288f9b10cf2326cc4b20cb901f5d8c4c34ca3cd8e537d66fa520bd34eb26d9ae0de7c59af7a1b42191336f86e858bb257c740e58fe751b633fce317c9b8f1b969ec55376845b9cad91faaced93ba5dc82153c2825363af120d5087111b3d5452968a2c9c3d921a089a052ec793a54891d3",
      "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)10, CN=VeriSign Class 3 Code Signing 2010 CA",
      "TBS": {
        "MD5": "b30c31a572b0409383ed3fbe17e56e81",
        "SHA1": "4843a82ed3b1f2bfbee9671960e1940c942f688d",
        "SHA256": "03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9",
        "SHA384": "bbda8407c4f9fc4e54d772f1c7fb9d30bc97e1f97ecd51c443063d1fa0644e266328781776cd5c44896c457c75f4d7da"
      },
      "ValidFrom": "2010-02-08 00:00:00",
      "ValidTo": "2020-02-07 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)10, CN=VeriSign Class 3 Code Signing 2010 CA",
      "SerialNumber": "32ba71c02f695ce02de7e6be26c4e481",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

source

last_updated: 2024-04-09