{"Id":"257d425f-f660-466c-8bee-c24cccf06daa","Tags":["AsmIo64.sys"],"Verified":"TRUE","Author":"Takahiro Haruyama","Created":"2023-10-12","MitreID":"T1542, T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create AsmIo64.sys binPath=C:\\windows\\temp\\AsmIo64.sys type=kernel && sc.exe start AsmIo64.sys","Description":"","Usecase":"Elevate privileges, firmware erasing/modification","Privileges":"kernel","OperatingSystem":"Windows 11"},"Resources":["https://github.com/ucsb-seclab/popkorn-artifact/tree/main/evaluation"],"Detection":[{"type":"yara_signature","value":"https://github.com/magicsword-io/LOLDrivers/blob/main/detections/yara/yara-rules_vuln_drivers_strict_renamed.yar"},{"type":"sigma_hash","value":"https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sigma/driver_load_win_vuln_drivers.yml"},{"type":"sigma_names","value":"https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sigma/driver_load_win_vuln_drivers_names.yml"},{"type":"sysmon_hash_detect","value":"https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sysmon/sysmon_config_vulnerable_hashes.xml"},{"type":"sysmon_hash_block","value":"https://github.com/magicsword-io/LOLDrivers/blob/main/detections/sysmon/sysmon_config_vulnerable_hashes_block.xml"}],"Acknowledgement":{"Person":"","Handle":""},"KnownVulnerableSamples":[{"Filename":"","MD5":"8f73c1c48ffddfca7d1a98faf83d18ff","SHA1":"8b53284fb23d34ca144544b19f8fba63700830d8","SHA256":"e4658d93544f69f5cb9aa6d9fec420fecc8750cb57e1e9798da38c139d44f2eb","Signature":"","Date":"","Publisher":"","Company":"Asmedia Technology  Inc.","Description":"Asmedia PCI Driver","Product":"Asmedia PCI Driver","ProductVersion":"1.0.1.0000","FileVersion":"1.0.1.0000 built by: WinDDK","MachineType":"AMD64","OriginalFilename":"AsmIo.sys","Imphash":"0c2219c9c5eab786fa876f74356eea20","Authentihash":{"MD5":"99f5e3f2ce4c4d50dfcf6ca02ca73ae9","SHA1":"4a127ea0beb39a525db4c95a4a690222945f5f22","SHA256":"1ca20c63d8f56c09c48d0faa1894f2e3fccd4b029fd711d9864355e5f29c19f8"},"RichPEHeaderHash":{"MD5":"f63ea2dd58c1c827e0782eaa925b3f89","SHA1":"12b2b973f610145de7a1e7a14b540bd1576bf458","SHA256":"3a75c6ee26ce098f085b2b62af2c019cf444815ac322108b1b3308c05f6b111d"},"Sections":{".text":{"Entropy":6.512585906736668,"Virtual Size":"0x1c03"},".rdata":{"Entropy":4.170633367783203,"Virtual Size":"0x1fc"},".data":{"Entropy":0.4702181866759453,"Virtual Size":"0x148"},".pdata":{"Entropy":3.5076370502897625,"Virtual Size":"0xcc"},"INIT":{"Entropy":5.102526566590903,"Virtual Size":"0x3d0"},".rsrc":{"Entropy":3.252725856961488,"Virtual Size":"0x380"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2015-02-02 03:25:13","InternalName":"AsmIo.sys","Copyright":"© Asmedia Technology.","Imports":["ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["IoBuildSynchronousFsdRequest","KeInitializeEvent","KeWaitForSingleObject","RtlAssert","IofCallDriver","_vsnprintf","DbgPrint","MmUnmapLockedPages","IoDeleteSymbolicLink","ExFreePoolWithTag","RtlInitUnicodeString","IoDeleteDevice","KeReleaseSpinLock","MmUnmapIoSpace","MmBuildMdlForNonPagedPool","IoFreeMdl","MmMapLockedPagesSpecifyCache","IoGetDeviceObjectPointer","ExAllocatePool","MmMapIoSpace","IofCompleteRequest","DbgSetDebugFilterState","IoCreateSymbolicLink","IoCreateDevice","IoAllocateMdl","KeAcquireSpinLockRaiseToDpc","KeBugCheckEx"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"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,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"d0785ad36e427c92b19f6826ab1e8020","SHA1":"365b7a9c21bd9373e49052c3e7b3e4646ddd4d43","SHA256":"c2abb7484da91a658548de089d52436175fdb760a1387d225611dc0613a1e2ff","SHA384":"eab4fe5ef90e0de4a6aa3a27769a5e879f588df5e4785aa4104debd1f81e19ea56d33e3a16e5facf99f68b5d8e3d287b"}},{"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":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"0ecff438c8febf356e04d86a981b1a50","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"e9d38360b914c8863f6cba3ee58764d3","SHA1":"4cba8eae47b6bf76f20b3504b98b8f062694a89b","SHA256":"88901d86a4cc1f1bb193d08e1fb63d27452e63f83e228c657ab1a92e4ade3976","SHA384":"e9f2a75334a9e336c5a4712eadee88d0374b0fdc273262f4e65c9040ad2793067cc076696db5279a478773485e285652"}},{"Subject":"C=TW, ST=Taipei, L=New Taipei City, O=ASMedia Technology Inc., OU=Digital ID Class 3 , Microsoft Software Validation v2, CN=ASMedia Technology Inc.","ValidFrom":"2013-04-27 00:00:00","ValidTo":"2016-06-25 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"7818ead53083ae1106a2d5a565786166","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"2ba4563cc7b153c752456fe1bb66230d","SHA1":"3c069ca2e4bdc4cf12982be3b200cdc1c89e1878","SHA256":"18edc5059f637786f76c3b6d9df9667092a11ba2e7574025b528d0014ee6a355","SHA384":"3abc81865df19eb337ce797d5ccb73dbf338e27ae77410110b81127b8d3a3cb354d113c5f4d73584261935a65f208b66"}},{"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,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"78a717e082dcc1cda3458d917e677d14","SHA1":"4a872e0e51f9b304469cd1dedb496ee9b8b983a4","SHA256":"317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8","SHA384":"b71052da4eb9157c8c1a5d7f55df19d69b9128598b72fcca608e5b7cc7d64c43c5504b9c86355a6dc22ee40c88cc385c"}},{"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,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"b30c31a572b0409383ed3fbe17e56e81","SHA1":"4843a82ed3b1f2bfbee9671960e1940c942f688d","SHA256":"03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9","SHA384":"bbda8407c4f9fc4e54d772f1c7fb9d30bc97e1f97ecd51c443063d1fa0644e266328781776cd5c44896c457c75f4d7da"}}],"Signer":[{"SerialNumber":"7818ead53083ae1106a2d5a565786166","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","Version":1}]}],"LoadsDespiteHVCI":"TRUE"}]}