{"Id":"a338a9fc-9fe3-400c-9fe4-69bb7892602d","Tags":["UCOREW64.SYS"],"Verified":"TRUE","Author":"Michael Haag","Created":"2023-01-09","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create UCOREW64.SYS binPath=C:\\windows\\temp\\UCOREW64.SYS type=kernel && sc.exe start UCOREW64.SYS","Description":"","OperatingSystem":"Windows 10","Privileges":"kernel","Usecase":"Elevate privileges"},"Resources":["https://github.com/eclypsium/Screwed-Drivers/blob/master/DRIVERS.md"],"Detection":[],"Acknowledgement":{"Handle":"","Person":""},"KnownVulnerableSamples":[{"Authentihash":{"MD5":"6957cb828dd243621e2e67c948171264","SHA1":"c55173b926235b8678bddb9b49a1a8b9a92a1ada","SHA256":"f9c290ffc007e94fb61aecff42d267c1e626ec7939025b1a7d7285441d1c490d"},"Company":"","Copyright":"","CreationTimestamp":"2008-04-22 07:01:50","Date":"","Description":"","ExportedFunctions":"","FileVersion":"","Filename":"UCOREW64.SYS","ImportedFunctions":["MmMapLockedPages","MmBuildMdlForNonPagedPool","IoAllocateMdl","MmGetPhysicalAddress","MmIsAddressValid","MmAllocateContiguousMemory","DbgPrint","MmUnmapLockedPages","MmMapIoSpace","MmUnmapIoSpace","IoFreeMdl","ZwMapViewOfSection","ObReferenceObjectByHandle","ZwOpenSection","RtlInitUnicodeString","ZwUnmapViewOfSection","IoDeleteDevice","IoDeleteSymbolicLink","IofCompleteRequest","IoCreateSymbolicLink","IoCreateDevice","ZwClose","MmFreeContiguousMemory","HalTranslateBusAddress"],"Imports":["ntoskrnl.exe","HAL.dll"],"InternalName":"","MD5":"a17c58c0582ee560c72f60764ed63224","MachineType":"AMD64","MagicHeader":"50 45 0 0","OriginalFilename":"","Product":"","ProductVersion":"","Publisher":"","RichPEHeaderHash":{"MD5":"6acaf901cdbe1b7ccb7ac8f25cddac3b","SHA1":"d2e07f98c23fa821659b14533fa1734b478fb627","SHA256":"c820b388e3fb5223c2ce1b6b764aca527b34b3335ec7c20a408946dc26b4c1ef"},"SHA1":"bbc0b9fd67c8f4cefa3d76fcb29ff3cef996b825","SHA256":"a7c8f4faf3cbb088cac7753d81f8ec4c38ccb97cd9da817741f49272e8d01200","Sections":{".text":{"Entropy":6.361965845410384,"Virtual Size":"0x18d0"},".pdata":{"Entropy":3.4274538707186792,"Virtual Size":"0x90"},"INIT":{"Entropy":4.624071499789533,"Virtual Size":"0x31a"}},"Signature":["American Megatrends, Inc.","VeriSign Class 3 Code Signing 2004 CA","VeriSign Class 3 Public Primary CA"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services Signer , G2","ValidFrom":"2007-06-15 00:00:00","ValidTo":"2012-06-14 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"3825d7faf861af9ef490e726b5d65ad5","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"d6c7684e9aaa508cf268335f83afe040","SHA1":"18066d20ad92409c567cdfde745279ff71c75226","SHA256":"a612fb22ce8be6dab75e47c98508f98496583e79c9c97b936a8caee9ea9f3fff","SHA384":"35c249d6ad0261a6229b2a727067ac6ba32a5d24b30b9249051f748c7735fbe2ec2ef26a702c50df1790fbe32a65aee7"}},{"Subject":"C=US, O=VeriSign, Inc., CN=VeriSign Time Stamping Services CA","ValidFrom":"2003-12-04 00:00:00","ValidTo":"2013-12-03 23:59:59","Signature":"4a6bf9ea58c2441c318979992b96bf82ac01d61c4ccdb08a586edf0829a35ec8ca9313e704520def47272f0038b0e4c9934e9ad4226215f73f37214f703180f18b3887b3e8e89700fecf55964e24d2a9274e7aaeb76141f32acee7c9d95eddbb2b853eb59db5d9e157ffbeb4c57ef5cf0c9ef097fe2bd33b521b1b3827f73f4a","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"47bf1995df8d524643f7db6d480d31a4","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"518d2ea8a21e879c942d504824ac211c","SHA1":"21ce87d827077e61abddf2beba69fde5432ea031","SHA256":"1ec3b4f02e03930a470020e0e48d24b84678bb558f46182888d870541f5e25c7","SHA384":"53e346bbde23779a5d116cc9d86fdd71c97b1f1b343439f8a11aa1d3c87af63864bb8488a5aeb2d0c26a6a1e0b15f03f"}},{"Subject":"C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)04, CN=VeriSign Class 3 Code Signing 2004 CA","ValidFrom":"2004-07-16 00:00:00","ValidTo":"2014-07-15 23:59:59","Signature":"ae3a17b84a7b55fa6455ec40a4ed494190999c89bcaf2e1dca7823f91c190f7feb68bc32d98838dedc3fd389b43fb18296f1a45abaed2e26d3de7c016e000a00a4069211480940f91c1879672324e0bbd5e150ae1bf50edde02e81cd80a36c524f9175558aba22f2d2ea4175882f63557d1e545a9559cad93481c05f5ef67ab5","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"4191a15a3978dfcf496566381d4c75c2","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"41011f8d0e7c7a6408334ca387914c61","SHA1":"c7fc1727f5b75a6421a1f95c73bbdb23580c48e5","SHA256":"88dd3952638ee82738c03168e6fd863fe4eab1059ee5e2926ad8cb587c255dc0","SHA384":"a00aa5ed457c41e37967882644d63366bae014f03a986576d8514164d7027acf7d0b5e03d764db2558f60db148954459"}},{"Subject":"C=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority","ValidFrom":"2006-05-23 17:01:29","ValidTo":"2016-05-23 17:11:29","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"610c120600000000001b","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"53c41bc1164e09e0cd1617a5bf913efd","SHA1":"93c03aac8951d494ecd5696b1c08658541b18727","SHA256":"40bddadac24dc61ca4fb5cab2a2bc5d876bc36808311039a7a3e1a4066f7489b","SHA384":"f51d4e75ba638f7314cd59b8d6d45f3b34d35ce6986e9d205cd6f333e8e8d8e9c91f636e6bc84731b6661673f40963d8"}},{"Subject":"C=US, ST=Georgia, L=Norcross, O=American Megatrends, Inc., OU=Digital ID Class 3 , Microsoft Software Validation v2, OU=Headquarters, CN=American Megatrends, Inc.","ValidFrom":"2006-09-30 00:00:00","ValidTo":"2009-11-16 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"08dfd80b2826716554b1fb8cfa5043d7","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"960327b70b290ec28fa2e85cbb7a41fa","SHA1":"a2ac59e0c82196d6661212232bd3bcf0588e40ea","SHA256":"8bb26b4dc7c105fd9cdd0604cedbf3647a700dc4ddadcad839d8e27312253e73","SHA384":"7cfe0dfecc1d1abfa204d28c446f706736b73a35cb37e4c2a40c7f3b68eef14ebfb665a6f23e3c0413cd8caf5979607e"}}],"Signer":[{"SerialNumber":"08dfd80b2826716554b1fb8cfa5043d7","Issuer":"C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)04, CN=VeriSign Class 3 Code Signing 2004 CA","Version":1}]}],"Imphash":"0dcd262801389f839ce909cb173448e2","LoadsDespiteHVCI":"FALSE"}]}