{"Id":"52ded752-2708-499e-8f37-98e4a9adc23c","Tags":["GLCKIO2.sys"],"Verified":"TRUE","Author":"Nasreddine Bencherchali","Created":"2023-05-06","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create GLCKIO2.sys binPath=C:\\windows\\temp\\GLCKIO2.sys type=kernel && sc.exe start GLCKIO2.sys","Description":"","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 10"},"Resources":["Internal Research"],"Detection":[],"Acknowledgement":{"Person":"","Handle":""},"KnownVulnerableSamples":[{"Filename":"GLCKIO2.sys","MD5":"dedd07993780d973c22c93e77ab69fa3","SHA1":"83b5e60943a92050fccb8acef7aa464c8f81d38e","SHA256":"e5b0772be02e2bc807804874cf669e97aa36f5aff1f12fa0a631a3c7b4dd0dc8","Authentihash":{"MD5":"9266ad818c7d32f3f6b759cbd20f742a","SHA1":"e78779533d76b402eab613557170ccbf5d951883","SHA256":"47489362609fa9bd398deec955d5600780bb3788eb29a282bcc5245905713eb0"},"Description":"","Company":"","InternalName":"","OriginalFilename":"","FileVersion":"","Product":"","ProductVersion":"","Copyright":"","MachineType":"AMD64","Imports":["ntoskrnl.exe","HAL.dll"],"ExportedFunctions":"","ImportedFunctions":["IofCompleteRequest","IoCreateDevice","IoCreateSymbolicLink","IoDeleteDevice","IoDeleteSymbolicLink","MmGetSystemRoutineAddress","ObfDereferenceObject","ZwClose","ZwOpenSection","ZwMapViewOfSection","ZwUnmapViewOfSection","KeBugCheckEx","ObReferenceObjectByHandle","RtlInitUnicodeString","HalTranslateBusAddress"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert High Assurance EV Root CA","ValidFrom":"2011-04-15 19:45:33","ValidTo":"2021-04-15 19:55:33","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"61204db4000000000027","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"8e3ffc222fbcebdbb8b23115ab259be7","SHA1":"ee20bff28ffe13be731c294c90d6ded5aae0ec0e","SHA256":"59826b69bc8c28118c96323b627da59aaca0b142cc5d8bad25a8fcfd399aa821","SHA384":"f2dab7e56a33298654924501499487f6ba72c7d9477476a186e1ed7a9be031fade0e35ac09eff5e56bbbab95ae5374e7"}},{"Subject":"??=TW, ??=Private Organization, serialNumber=23638777, C=TW, L=Taipei City, O=ASUSTeK Computer Inc., CN=ASUSTeK Computer Inc.","ValidFrom":"2019-04-01 00:00:00","ValidTo":"2022-01-11 12:00:00","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.11","IsCertificateAuthority":false,"SerialNumber":"0c64962e4467edcc1579646b7337ec8c","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"69796942ecdfadbd806bdea1460a5115","SHA1":"0ce9329828324db04bd0a7b101b4fbfedb3be8b2","SHA256":"efd9b83b154c3e805e1bf7fdfd6a7f7bfdcf2ff3e191d1c33bdc427b6c82039b","SHA384":"e27d21dc30c40e7b675120062e69c438e9f448ceed7b0434dedd129848c6a8edf05ec07ac25f5ec300be0da46a4c6eab"}},{"Subject":"C=US, O=DigiCert, CN=DigiCert Timestamp Responder","ValidFrom":"2014-10-22 00:00:00","ValidTo":"2024-10-22 00:00:00","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"03019a023aff58b16bd6d5eae617f066","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"a752afee44f017e8d74e3f3eb7914ae3","SHA1":"8eca80a6b80e9c69dcef7745748524afb8019e2d","SHA256":"82560fa7efec30b5ff82af643e6f3bf3d46868bbd5e7d76f93db185e9e3553a1","SHA384":"e8b11408c88f877ade4ca51114a175fb5dfd2d18d2a66be547c1c9e080fa8f592c7870e30dfab1c04d234993dd0907f3"}},{"Subject":"C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert EV Code Signing CA (SHA2)","ValidFrom":"2012-04-18 12:00:00","ValidTo":"2027-04-18 12:00:00","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.11","IsCertificateAuthority":true,"SerialNumber":"03f1b4e15f3a82f1149678b3d7d8475c","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"83f5de89f641d0fbf60248e10a7b9534","SHA1":"382a73a059a08698d6eb98c87e1b36fc750933a4","SHA256":"eec58131dc11cd7f512501b15fdbc6074c603b68ca91f7162d5a042054edb0cf","SHA384":"4a25018683cabfb8ec2cad136334f37f33c89aa8540326322991d997c8adfb7faf06ab602ebd46630fe75fe3d2edc6b1"}},{"Subject":"C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert Assured ID CA,1","ValidFrom":"2006-11-10 00:00:00","ValidTo":"2021-11-10 00:00:00","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"06fdf9039603adea000aeb3f27bbba1b","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"4e5ad189638cf52ba9cd881d4d44668c","SHA1":"cdc115e98d798b33904c820d63cc1e1afc19251d","SHA256":"37560fb9d548ab62cc3ed4669a4ab74828b5a108e67e829937ffb2d10a5f78dd","SHA384":"173bfb77183785621ef15f43ea807338cea6a02e8183317d9ef050c7237adda3fa2a5bdcd5a4c96da9f2c55900675b9f"}}],"Signer":[{"SerialNumber":"0c64962e4467edcc1579646b7337ec8c","Issuer":"C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert EV Code Signing CA (SHA2)","Version":1}]}],"RichPEHeaderHash":{"MD5":"05800026305f624e68f7d87b28b90bf7","SHA1":"a3797fea31e0668335977d41f2bc4f881da4b703","SHA256":"546ac15980de9dfce2c30fde487c74f853cff68c999e2a4cc1fc5a8f94f934b1"},"Sections":{".text":{"Entropy":6.398452415719764,"Virtual Size":"0x1374"},".rdata":{"Entropy":5.620562818704275,"Virtual Size":"0x6ec"},".data":{"Entropy":0.28109187076190567,"Virtual Size":"0x218"},".pdata":{"Entropy":3.564120960069972,"Virtual Size":"0xfc"},"INIT":{"Entropy":5.203063896503997,"Virtual Size":"0x2b2"},".reloc":{"Entropy":3.046439344671015,"Virtual Size":"0x14"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2019-04-22 09:44:46","Imphash":"531d2392dbdd314fb1d9318fe9e5c4d2","LoadsDespiteHVCI":"TRUE"}]}