30d6c39c-1d93-4101-8dd3-322ff0ab7fb3

NetFlt.sys

We were not able to verify the hash of this driver successfully, it has not been confirmed.

Description

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

  • UUID: 30d6c39c-1d93-4101-8dd3-322ff0ab7fb3
  • Created: 2023-01-09
  • Author: Michael Haag
  • Acknowledgement: |

Commands

sc.exe create NetFlt.sys binPath=C:\windows\temp\NetFlt.sys type=kernel && sc.exe start NetFlt.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://learn.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-driver-block-rules
  • https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-defender-application-control/microsoft-recommended-driver-block-rules

    • Known Vulnerable Samples

    PropertyValue
    FilenameNetFlt.sys
    Creation Timestamp
    MD5
    SHA1
    SHA256f8886a9c759e0426e08d55e410b02c5b05af3c287b15970175e4874316ffaf13

    Imports

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    Imported Functions

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    Exported Functions

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    Sections

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    Signature

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    PropertyValue
    Filename
    Creation Timestamp2018-09-29 14:21:09
    MD5165178829b5587a628977bfca6fd6900
    SHA1e3048cd05573dc1d30b1088859bc728ef67aaad0
    SHA256760be95d4c04b10df89a78414facf91c0961020e80561eee6e2cb94b43b76510
    Authentihash MD5e6afe5e6540dab647a06673be116690b
    Authentihash SHA1b04ecc8dd0d52fe4552d2c4d693d67fae20c460f
    Authentihash SHA256f8886a9c759e0426e08d55e410b02c5b05af3c287b15970175e4874316ffaf13
    RichPEHeaderHash MD531ff42aa5ca7dd66d08b22acf09fc77b
    RichPEHeaderHash SHA14714126b3344521afd77ab9af0c0c7f02cad7214
    RichPEHeaderHash SHA256f01b7291df1bce93e3b404221cf8cee691cb1b79871cce7978d99936d9406ee8

    Download

    Certificates

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    Certificate 7e93ebfb7cc64e59ea4b9a77d406fc3b
    FieldValue
    ToBeSigned (TBS) MD5d0785ad36e427c92b19f6826ab1e8020
    ToBeSigned (TBS) SHA1365b7a9c21bd9373e49052c3e7b3e4646ddd4d43
    ToBeSigned (TBS) SHA256c2abb7484da91a658548de089d52436175fdb760a1387d225611dc0613a1e2ff
    SubjectC=US, O=Symantec Corporation, CN=Symantec Time Stamping Services CA , G2
    ValidFrom2012-12-21 00:00:00
    ValidTo2020-12-30 23:59:59
    Signature03099b8f79ef7f5930aaef68b5fae3091dbb4f82065d375fa6529f168dea1c9209446ef56deb587c30e8f9698d23730b126f47a9ae3911f82ab19bb01ac38eeb599600adce0c4db2d031a6085c2a7afce27a1d574ca86518e979406225966ec7c7376a8321088e41eaddd9573f1d7749872a16065ea6386a2212a35119837eb6
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber7e93ebfb7cc64e59ea4b9a77d406fc3b
    Version3
    Certificate 0ecff438c8febf356e04d86a981b1a50
    FieldValue
    ToBeSigned (TBS) MD5e9d38360b914c8863f6cba3ee58764d3
    ToBeSigned (TBS) SHA14cba8eae47b6bf76f20b3504b98b8f062694a89b
    ToBeSigned (TBS) SHA25688901d86a4cc1f1bb193d08e1fb63d27452e63f83e228c657ab1a92e4ade3976
    SubjectC=US, O=Symantec Corporation, CN=Symantec Time Stamping Services Signer , G4
    ValidFrom2012-10-18 00:00:00
    ValidTo2020-12-29 23:59:59
    Signature783bb4912a004cf08f62303778a38427076f18b2de25dca0d49403aa864e259f9a40031cddcee379cb216806dab632b46dbff42c266333e449646d0de6c3670ef705a4356c7c8916c6e9b2dfb2e9dd20c6710fcd9574dcb65cdebd371f4378e678b5cd280420a3aaf14bc48829910e80d111fcdd5c766e4f5e0e4546416e0db0ea389ab13ada097110fc1c79b4807bac69f4fd9cb60c162bf17f5b093d9b5be216ca13816d002e380da8298f2ce1b2f45aa901af159c2c2f491bdb22bbc3fe789451c386b182885df03db451a179332b2e7bb9dc20091371eb6a195bcfe8a530572c89493fb9cf7fc9bf3e226863539abd6974acc51d3c7f92e0c3bc1cd80475
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber0ecff438c8febf356e04d86a981b1a50
    Version3
    Certificate 06ac27b7c8985c4d40006b362e4b42ef
    FieldValue
    ToBeSigned (TBS) MD5b4f984fa296ebed6a2de0fd41e3a8943
    ToBeSigned (TBS) SHA11ef4fb65a78f8986bf07cbfadf337c0b7adfa0b9
    ToBeSigned (TBS) SHA2567d0c90a2709a9f0286d90e509680b02696769a960da897dfadeb8d6ecd8b86eb
    SubjectC=CN, ST=, L=, O=, OU=, CN=
    ValidFrom2017-07-12 00:00:00
    ValidTo2019-10-11 23:59:59
    Signature66054a913dde7f2816a209d078362671f9f875b38df2c564fb60288eab00536e96b19b4226330797a4b17376b096a952ac9694328cf09ad080e169ec1e1f04c22f87fa8c61fa54f1398316b2b5e2854009a06af391bbfa7d887b89f9d321ee930d3c5b9fcf0fc9cb6d5dfd77526470968d6fcc224052d891b90618b3830a798150235d4b72535accdec987e46c3469906266bf4705f4c2730e6fad70210172bd85a6f6c5a8e976d3ba1601592e5e421f7cf18e1fecb1f0e1eae8d2d7b4de6de5d4e3c88fbfe90ae699239765d24e9232e5b74a20ab25d0911069017f004cc5a4a492dacef0adffb6ee796e359f6f5f6d6692eaedd9ef71071da40577cbadd79b
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityFalse
    SerialNumber06ac27b7c8985c4d40006b362e4b42ef
    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
    Certificate 5200e5aa2556fc1a86ed96c9d44b33c7
    FieldValue
    ToBeSigned (TBS) MD5b30c31a572b0409383ed3fbe17e56e81
    ToBeSigned (TBS) SHA14843a82ed3b1f2bfbee9671960e1940c942f688d
    ToBeSigned (TBS) SHA25603cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9
    SubjectC=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
    ValidFrom2010-02-08 00:00:00
    ValidTo2020-02-07 23:59:59
    Signature5622e634a4c461cb48b901ad56a8640fd98c91c4bbcc0ce5ad7aa0227fdf47384a2d6cd17f711a7cec70a9b1f04fe40f0c53fa155efe749849248581261c911447b04c638cbba134d4c645e80d85267303d0a98c646ddc7192e645056015595139fc58146bfed4a4ed796b080c4172e737220609be23e93f449a1ee9619dccb1905cfc3dd28dac423d6536d4b43d40288f9b10cf2326cc4b20cb901f5d8c4c34ca3cd8e537d66fa520bd34eb26d9ae0de7c59af7a1b42191336f86e858bb257c740e58fe751b633fce317c9b8f1b969ec55376845b9cad91faaced93ba5dc82153c2825363af120d5087111b3d5452968a2c9c3d921a089a052ec793a54891d3
    SignatureAlgorithmOID1.2.840.113549.1.1.5
    IsCertificateAuthorityTrue
    SerialNumber5200e5aa2556fc1a86ed96c9d44b33c7
    Version3

    Imports

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    • ntoskrnl.exe
    • NDIS.SYS

    Imported Functions

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    • KeBugCheckEx
    • ZwOpenKey
    • ZwClose
    • ZwQueryValueKey
    • IofCompleteRequest
    • ExFreePoolWithTag
    • ExAllocatePoolWithTag
    • _vsnprintf
    • MmMapLockedPagesSpecifyCache
    • KeAcquireSpinLockRaiseToDpc
    • DbgPrint
    • KeAcquireSpinLockAtDpcLevel
    • KeReleaseSpinLockFromDpcLevel
    • KeReleaseSpinLock
    • RtlInitUnicodeString
    • NdisInitializeEvent
    • NdisRegisterDeviceEx
    • NdisDeregisterDeviceEx
    • NdisFSendNetBufferLists
    • NdisFIndicateReceiveNetBufferLists
    • NdisFReturnNetBufferLists
    • NdisFIndicateStatus
    • NdisWaitEvent
    • NdisFCancelSendNetBufferLists
    • NdisFSendNetBufferListsComplete
    • NdisSetEvent
    • NdisResetEvent
    • NdisRetreatNetBufferDataStart
    • NdisAdvanceNetBufferDataStart
    • NdisFSetAttributes
    • NdisFDeregisterFilterDriver
    • NdisAllocateMemoryWithTagPriority
    • NdisFRegisterFilterDriver
    • NdisFreeMemory

    Exported Functions

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    Sections

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

    Signature

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    source

    last_updated: 2024-04-09