619953be-2115-4da2-bb59-603fcf93a3d2

fastdumpx64.sys :inline

Description

fastdumpx64.sys is a vulnerable kernel driver from the KeServiceDescriptorTable/vulnerable-drivers repository. The driver exposes dangerous kernel primitives to usermode.

  • UUID: 619953be-2115-4da2-bb59-603fcf93a3d2
  • Created: 2026-04-17
  • Author: Michael Haag
  • Acknowledgement: | [@rainbowdynamix, @DbgPrint](https://twitter.com/@rainbowdynamix, @DbgPrint)

Download

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Commands

sc.exe create fastdumpx64 binPath=C:\windows\temp\fastdumpx64.sys type=kernel && sc.exe start fastdumpx64
Use CasePrivilegesOperating System
Elevate privilegeskernelWindows 10

Detections

YARA 🏹

Expand

Exact Match

with header and size limitation

Threat Hunting

without header and size limitation

Renamed

for renamed driver files

Sigma 🛡️

Expand

Names

detects loading using name only

Hashes

detects loading using hashes only

Sysmon 🔎

Expand

Block

on hashes

Alert

on hashes

Resources


  • https://github.com/magicsword-io/LOLDrivers/issues/325
  • https://github.com/KeServiceDescriptorTable/vulnerable-drivers

    • Known Vulnerable Samples

    PropertyValue
    Filenamefastdumpx64.sys
    Creation Timestamp2019-07-16 10:34:35
    MD5016c1d3cc193732736eeaeb3094154f2
    SHA1624fc5ef63f1c58ef6c0202080a08be12aa441df
    SHA2569cb90643674a941bca2ff0823618e4790a737b9bdcfe882b3af6926591b84d80
    Authentihash MD56f2eb3bb8a7c0f352e7eb07b7cbc9354
    Authentihash SHA1be48eedeb189bc1a31232e700cbe2f2e49da9151
    Authentihash SHA25632157838040ddbd0f7b5ccaf597f6e338b9e00cdb2705e8719149d1ad8249a88
    RichPEHeaderHash MD5a6b0faf16c368e3c06229fa662289734
    RichPEHeaderHash SHA12b5b85dab8465e2d9f6c9605e35a7d204e532dd4
    RichPEHeaderHash SHA25677506c37916a1642800ba5c639b40b5033de119ceb6019aba6b67f9e2e51fcd0
    CompanyCounterTack
    Descriptionfastdumpx64.sys (AMD64) Kernel Driver
    ProductFastdump
    OriginalFilenamefastdumpx64.sys

    Download

    Certificates

    Expand
    Certificate 28231a25aeec83ade5824031b4e28040
    FieldValue
    ToBeSigned (TBS) MD52311dce0f4469ee5101cdfe9805c120f
    ToBeSigned (TBS) SHA12f460655e055f3e9584968541b4eaa9c74e47507
    ToBeSigned (TBS) SHA2566e6728c7caefc09d38fd4b7879910b3d0d4bb8a5c113649fe5c8a6fe93cf3fce
    SubjectC=US, ST=Massachusetts, L=Waltham, O=CounterTack, Inc., CN=CounterTack, Inc.
    ValidFrom2019-03-14 00:00:00
    ValidTo2020-03-30 23:59:59
    Signature3445c2828d4f5d99ef788f1d531be96f90acd38dddbe24b3d80db70ab394513344cd57c4c46942c8a0b42c440819d986ce7fe4c65593f53f31e8233a15d12bf2e03842062f29dfad068ec0a650616ee85a67ee73fbf9d9108499e5f15dc4d7506a7c0ec9d7ac771e32fbbbc125044ce0dbac9a6ebcec1226c38b2287e05ac627d4daa17035c4cc8dba5327e4fd660504dfea2afe459733f7e098a0d8e651e29b41785a68c9ad671284cd09d6abf13d8fdc27b3a74d87c7567772e9ed57d964715c7764c25fefdbdd4a4260512c65a4d7902d87d45fbffffc46a1fbde983274e88fd563ad6154dced0898ca2b3c53560aa1ddf112ce98c95b1f2b993152567a37
    SignatureAlgorithmOID1.2.840.113549.1.1.11
    IsCertificateAuthorityFalse
    SerialNumber28231a25aeec83ade5824031b4e28040
    Version3
    Certificate 3d78d7f9764960b2617df4f01eca862a
    FieldValue
    ToBeSigned (TBS) MD51f056ff7d5f874984dc605402b7cb042
    ToBeSigned (TBS) SHA1bdb348353a2203deb4b767914fa1bd7248dd728b
    ToBeSigned (TBS) SHA256a08e79c386083d875014c409c13d144e0a24386132980df11ff59737c8489eb1
    SubjectC=US, O=Symantec Corporation, OU=Symantec Trust Network, CN=Symantec Class 3 SHA256 Code Signing CA
    ValidFrom2013-12-10 00:00:00
    ValidTo2023-12-09 23:59:59
    Signature13851a1e69a937f7a0bda4af7e1d6153fe9d8c5e0ca6751e781723ddfdec1a035539fb7195c7655aa78e30d2445a61db706fda2105c22e73ba49f1d193fe5dc9cd5e03e0899e3f741ed7f7388ba9d6cfbb352f3358a89256d1c84d3b82e6798416fc28b0b147f31da23eee87d9a67fa456a53fad842e29de7cbca8aaa33d0401eaba93a20e502229174c87e43a115fd6a425899b056b2fb4c9014c277b0bac190522a060153fdac9fb4d4c8ffb726777fd2794c7ba350e8849fe8dfd28af4a12bd0db39705de440c15fa362b03dcc15001f1a1115d14e5e2bd274b54be2b845e0fa6c374050aef97c38922b11f77f3bdcd43d4f14ca93fb58b84af64f2d01421
    SignatureAlgorithmOID1.2.840.113549.1.1.11
    IsCertificateAuthorityTrue
    SerialNumber3d78d7f9764960b2617df4f01eca862a
    Version3
    Certificate 611993e400000000001c
    FieldValue
    ToBeSigned (TBS) MD578a717e082dcc1cda3458d917e677d14
    ToBeSigned (TBS) SHA14a872e0e51f9b304469cd1dedb496ee9b8b983a4
    ToBeSigned (TBS) SHA256317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8
    SubjectC=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
    ValidFrom2011-02-22 19:25:17
    ValidTo2021-02-22 19:35:17
    Signature812a82168c34672be503eb347b8ca2a3508af45586f11e8c8eae7dee0319ce72951848ad6211fd20fd3f4706015ae2e06f8c152c4e3c6a506c0b36a3cf7a0d9c42bc5cf819d560e369e6e22341678c6883762b8f93a32ab57fbe59fba9c9b2268fcaa2f3821b983e919527978661ee5b5d076bcd86a8e26580a8e215e2b2be23056aba0cf347934daca48c077939c061123a050d89a3ec9f578984fbecca7c47661491d8b60f195de6b84aacbc47c8714396e63220a5dc7786fd3ce38b71db7b9b03fcb71d3264eb1652a043a3fa2ead59924e7cc7f233424838513a7c38c71b242228401e1a461f17db18f7f027356cb863d9cdb9645d2ba55eefc629b4f2c7f821cc04ba57fd01b6abc667f9e7d3997ff4f522fa72f5fdff3a1c423aa1f98018a5ee8d1cd4669e4501feaaeefffb178f30f7f1cd29c59decb5d549003d85b8cbbb933a276a49c030ae66c9f723283276f9a48356c848ce5a96aaa0cc0cc47fb48e97af6de35427c39f86c0d6e473089705dbd054625e0348c2d59f7fa7668cd09db04fd4d3985f4b7ac97fb22952d01280c70f54b61e67cdc6a06c110384d34875e72afeb03b6e0a3aa66b769905a3f177686133144706fc537f52bd92145c4a246a678caf8d90aad0f679211b93267cc3ce1ebd883892ae45c6196a4950b305f8ae59378a6a250394b1598150e8ba8380b72335f476b9671d5918ad208d94
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber611993e400000000001c
    Version3

    Imports

    Expand
    • ntoskrnl.exe

    Imported Functions

    Expand
    • MmUnmapLockedPages
    • IoDeleteSymbolicLink
    • RtlInitUnicodeString
    • IoDeleteDevice
    • MmUnmapIoSpace
    • MmBuildMdlForNonPagedPool
    • IoFreeMdl
    • MmMapLockedPagesSpecifyCache
    • MmMapIoSpace
    • ZwClose
    • IofCompleteRequest
    • ObReferenceObjectByHandle
    • IoCreateSymbolicLink
    • ObfDereferenceObject
    • MmGetPhysicalMemoryRanges
    • ZwOpenSection
    • IoAllocateMdl
    • MmGetSystemRoutineAddress
    • PsGetVersion
    • KeQueryActiveProcessors
    • KeReleaseSpinLock
    • MmFreeNonCachedMemory
    • MmGetPhysicalAddress
    • ZwWaitForSingleObject
    • ZwCreateFile
    • KeQueryTimeIncrement
    • PsInitialSystemProcess
    • MmAllocateNonCachedMemory
    • ZwQueryInformationFile
    • ZwWriteFile
    • DbgPrint
    • KeAcquireSpinLockRaiseToDpc
    • KeRevertToUserAffinityThread
    • KeSetSystemAffinityThread
    • KeBugCheckEx
    • ZwOpenKey
    • ZwQueryValueKey
    • IoCreateDevice
    • ObOpenObjectByPointer
    • ZwSetSecurityObject
    • IoDeviceObjectType
    • _snwprintf
    • RtlLengthSecurityDescriptor
    • SeCaptureSecurityDescriptor
    • ExFreePoolWithTag
    • RtlCreateSecurityDescriptor
    • RtlSetDaclSecurityDescriptor
    • RtlAbsoluteToSelfRelativeSD
    • IoIsWdmVersionAvailable
    • SeExports
    • wcschr
    • _wcsnicmp
    • ExAllocatePoolWithTag
    • RtlLengthSid
    • RtlAddAccessAllowedAce
    • RtlGetSaclSecurityDescriptor
    • RtlGetDaclSecurityDescriptor
    • RtlGetGroupSecurityDescriptor
    • RtlGetOwnerSecurityDescriptor
    • ZwCreateKey
    • ZwSetValueKey
    • RtlFreeUnicodeString
    • __C_specific_handler

    Exported Functions

    Expand

    Sections

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

    Signature

    Expand
    {
  "Certificates": [
    {
      "CertificateType": "Leaf (Code Signing)",
      "IsCA": false,
      "IsCertificateAuthority": false,
      "IsCodeSigning": true,
      "SerialNumber": "28231a25aeec83ade5824031b4e28040",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
      "Subject": "C=US, ST=Massachusetts, L=Waltham, O=CounterTack, Inc., CN=CounterTack, Inc.",
      "TBS": {
        "MD5": "2311dce0f4469ee5101cdfe9805c120f",
        "SHA1": "2f460655e055f3e9584968541b4eaa9c74e47507",
        "SHA256": "6e6728c7caefc09d38fd4b7879910b3d0d4bb8a5c113649fe5c8a6fe93cf3fce",
        "SHA384": "0447269ceadf731593b2a732fdbe118be68894cba88974a210201a9088c89bb089896415342b8786f7b0403a3af31ecb"
      },
      "ValidFrom": "2019-03-14 00:00:00",
      "ValidTo": "2020-03-30 23:59:59",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": true,
      "SerialNumber": "3d78d7f9764960b2617df4f01eca862a",
      "Signature": "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",
      "SignatureAlgorithmOID": "1.2.840.113549.1.1.11",
      "Subject": "C=US, O=Symantec Corporation, OU=Symantec Trust Network, CN=Symantec Class 3 SHA256 Code Signing CA",
      "TBS": {
        "MD5": "1f056ff7d5f874984dc605402b7cb042",
        "SHA1": "bdb348353a2203deb4b767914fa1bd7248dd728b",
        "SHA256": "a08e79c386083d875014c409c13d144e0a24386132980df11ff59737c8489eb1",
        "SHA384": "fa2729064b49e0d77540c1ee95d5f74acaf8eaf55197851a3a40383335f8113e51190bc48b552196edf8ac5cf0c89278"
      },
      "ValidFrom": "2013-12-10 00:00:00",
      "ValidTo": "2023-12-09 23:59:59",
      "Version": 3
    },
    {
      "CertificateType": "CA",
      "IsCA": true,
      "IsCertificateAuthority": true,
      "IsCodeSigning": false,
      "SerialNumber": "611993e400000000001c",
      "Signature": "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",
      "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
    }
  ],
  "CertificatesInfo": "",
  "Signer": [
    {
      "Issuer": "C=US, O=Symantec Corporation, OU=Symantec Trust Network, CN=Symantec Class 3 SHA256 Code Signing CA",
      "SerialNumber": "28231a25aeec83ade5824031b4e28040",
      "Version": 1
    }
  ],
  "SignerInfo": ""
}

    source

    last_updated: 2026-04-20