{"Id":"9e87b6b0-00ed-4259-bcd7-05e2c924d58c","Tags":["BSMEMx64.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2023-01-09","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create BSMEMx64.sys binPath=C:\\windows\\temp\\BSMEMx64.sys type=kernel && sc.exe start BSMEMx64.sys","Description":"","OperatingSystem":"Windows 10","Privileges":"kernel","Usecase":"Elevate privileges"},"Resources":["https://github.com/eclypsium/Screwed-Drivers/blob/master/DRIVERS.md"],"Detection":[{"type":"yara_signature","value":"https://github.com/magicsword-io/LOLDrivers/blob/main/detections/yara/f929bead59e9424ab90427b379dcdd63fbfe0c4fb5e1792e3a1685541cd5ec65.yara"},{"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"},{"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":{"Handle":"","Person":""},"KnownVulnerableSamples":[{"Authentihash":{"MD5":"464c033940c536ca2b627ba616f33fd0","SHA1":"59e1a1abd37be9c1e33dd7d47526394d6ecb9c49","SHA256":"20c87381f8f0bf953cb109a5d50a2184c0104cc8ab30e2f94dfba89a5d19b9d8"},"Company":"BIOSTAR Group","Copyright":"Copyright (c) 2002-2006 BIOSTAR Group","CreationTimestamp":"2012-07-26 05:34:27","Date":"","Description":"I/O Interface driver file","ExportedFunctions":"","FileVersion":"1, 1, 0, 0","Filename":"BSMEMx64.sys","ImportedFunctions":["KeInitializeEvent","ExAllocatePoolWithTag","ExFreePoolWithTag","ObfDereferenceObject","KeWaitForSingleObject","ExInterlockedInsertTailList","RtlTimeToTimeFields","PsTerminateSystemThread","ZwWriteFile","ExInterlockedRemoveHeadList","KeSetPriorityThread","ZwCreateFile","RtlInitUnicodeString","PsCreateSystemThread","IoCreateSymbolicLink","IoCreateDevice","IoDeleteSymbolicLink","IoStartNextPacket","IoReleaseCancelSpinLock","IoAcquireCancelSpinLock","MmUnmapIoSpace","MmMapIoSpace","KeRemoveEntryDeviceQueue","IoStartPacket","IofCompleteRequest","ObReferenceObjectByHandle","ZwClose","IoDeleteDevice","KeSetEvent","HalSetBusDataByOffset","HalTranslateBusAddress","HalGetBusDataByOffset"],"Imports":["ntoskrnl.exe","HAL.dll"],"InternalName":"I/O driver","MD5":"49fe3d1f3d5c2e50a0df0f6e8436d778","MachineType":"AMD64","MagicHeader":"50 45 0 0","OriginalFilename":"BS_I2cIo.sys","Product":"BIOSTAR I/O driver fle","ProductVersion":"1, 1, 0, 0","Publisher":"","RichPEHeaderHash":{"MD5":"4ed2618a21b160612d932949de7cc9c1","SHA1":"c8532f6c93c3309ef18d1af84e23974e37c416c9","SHA256":"b6afffab9ad144e0b85cfb4291c424fe49ccb7755d35ecc957a676995d30d30a"},"SHA1":"9d07df024ec457168bf0be7e0009619f6ac4f13c","SHA256":"f929bead59e9424ab90427b379dcdd63fbfe0c4fb5e1792e3a1685541cd5ec65","Sections":{".text":{"Entropy":5.497681647688023,"Virtual Size":"0x2f80"},".rdata":{"Entropy":4.793247819425211,"Virtual Size":"0xa44"},".data":{"Entropy":2.072964022170868,"Virtual Size":"0x478"},".pdata":{"Entropy":3.902550941909573,"Virtual Size":"0x180"},"PAGE":{"Entropy":5.038194818532384,"Virtual Size":"0x14b"},"INIT":{"Entropy":5.491111922058012,"Virtual Size":"0x7dc"},".rsrc":{"Entropy":3.2817760862665835,"Virtual Size":"0x408"},".reloc":{"Entropy":3.593030469985413,"Virtual Size":"0xf8"}},"Signature":["BIOSTAR MICROTECH INT'L CORP","VeriSign Class 3 Code Signing 2009-2 CA","VeriSign Class 3 Public Primary CA"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services Signer , G3","ValidFrom":"2012-05-01 00:00:00","ValidTo":"2012-12-31 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"79a2a585f9d1154213d9b83ef6b68ded","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"e6d820afb23af20a65cf0b03247ea05e","SHA1":"7a8f7c37453f99390ee1e94bb5d3d1cba3a0eea7","SHA256":"7e722dc40e6b9abf8c20aa4d887e34b6d2c6b8cbe53a055d49bf9f5e946e0d27","SHA384":"7e14609969a388d38d227df1dbb9ce086c9a820142c94fd1a28ef2835a8aa528aef4c6399bce344d79adb5f3dad86afa"}},{"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)09, CN=VeriSign Class 3 Code Signing 2009,2 CA","ValidFrom":"2009-05-21 00:00:00","ValidTo":"2019-05-20 23:59:59","Signature":"8b03c0dd94d841a26169b015a878c730c6903c7e42f724b6e4837317047f04109ca1e2fa812febc0ca44e772e050b6551020836e9692e49a516ab43731dca52deb8c00c71d4fe74d32ba85f84ebefa675565f06abe7aca64381a101078457631f3867a030f60c2b35d9df68b6676821b59e183e5bd49a53856e5de41770e580f","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"655226e1b22e18e1590f2985ac22e75c","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"650704c342850095f3288eaf791147d4","SHA1":"4cdc38c800761463749c3cbd94a12f32e49877bf","SHA256":"07b8f662558ec85b71b43a79c6e94698144f4ced2308af21e7ba1e5d461da214","SHA384":"2a271d052213438467d09d60eaa4010c8642fff3eb0070e0cf9969428713c8fdc066b90996d594dd3136f5bd0af5a22a"}},{"Subject":"C=US, O=VeriSign, Inc., OU=Class 3 Public Primary Certification Authority","ValidFrom":"2006-05-23 17:01:29","ValidTo":"2016-05-23 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ST=TAIPEI HSIEN, L=HSIN TIEN, O=BIOSTAR MICROTECH INT'L CORP, OU=Digital ID Class 3 , Microsoft Software Validation v2, OU=BMA;BMG, CN=BIOSTAR MICROTECH INT'L CORP","ValidFrom":"2010-09-19 00:00:00","ValidTo":"2013-10-19 23:59:59","Signature":"06b346c5f71bba225d131ad7b037d6c016703a8f3d89746a2d49e5641a0ccd4034c78e4a5a756380d88cf8321b3c886cb5e2656c16c03cff1588b126a7d206fd98fd7e2d61cc80998dfb58d4652112aa258506f779543fcc0b72c06f2174f11bb01017a5c49ae4b31fd913cee75241022e7c5bd14ffff2dbe5f9c211b1a8b3bd9cc3cb5648712c5b57397f136c105148021299be4d99ba1c29d611adb10695d4565a697efe03e6c95d869883c63dffb2fac5f3db7612608f6ee7a59646031231292c7904d69bd997c266ad2f1bca7e35453a08e53d8d9e302b9bbeeca812c64f03bc641cdeb7c5ba70999724f7d92918f1f8a8657f95290cc16ee0e281a785e7","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"124dc5a63cc2bd8265445e912ed07d1f","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"beccd5c41126e0c537cf489954b53feb","SHA1":"109fbb823652c1148c4949cdc860abd5b4ad24e5","SHA256":"aac7608d0bcb286dc9869eb39125b27a960d9533db860cc9e3148149ca149c4a","SHA384":"16a03de40518fd3ffcee724d218effca4edfd9abf66d374d45ef3310ccf7e5be707f27588306b4c1bf28172a7d281869"}}],"Signer":[{"SerialNumber":"124dc5a63cc2bd8265445e912ed07d1f","Issuer":"C=US, O=VeriSign, Inc., OU=VeriSign Trust Network, OU=Terms of use at https://www.verisign.com/rpa (c)09, CN=VeriSign Class 3 Code Signing 2009,2 CA","Version":1}]}],"Imphash":"f939ef0b7f792672866386600f82aa04","LoadsDespiteHVCI":"FALSE"}]}