{"DetectionScope":"context-only","ResearchEvidence":{"Id":"ea0e7351-b65c-4c5a-9863-83b9d5efcec3","Tags":["ampa.sys"],"Verified":"TRUE","Author":"Northwave Cyber Security","Created":"2024-09-11","MitreID":"T1068","Category":"vulnerable driver","Commands":{"Command":"sc.exe create ampa binPath=C:\\windows\\temp\\ampa.sys type=kernel && sc.exe start ampa","Description":"Northwave Cyber Security contributed this driver based on in-house research. The driver has a CVSSv3 score of 8.8, indicating a privilege escalation impact. This vulnerability could potentially be exploited for privilege escalation or other malicious activities.","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 10"},"Resources":[],"Detection":[],"Acknowledgement":{"Person":"Northwave Cyber Security","Handle":""},"KnownVulnerableSamples":[{"Filename":"ampa.sys","MD5":"d0c50c113fe59c21ad59932e6b9c202f","SHA1":"41ff9cf9091fef6da6dfa3279310655a84ed5845","SHA256":"01d51df682136cce453bb1da8964073e6bc7297ce4dae7301c753bb618a69469","Signature":"","Date":"","Publisher":"","Company":"","Description":"","Product":"","ProductVersion":"","FileVersion":"","MachineType":"AMD64","OriginalFilename":"","Imphash":"e54cb614fcaa06fed22c681d4526d8bf","Authentihash":{"MD5":"d08b5fabcd47f8dac29c560649573a49","SHA1":"b503a13858755b769fa47d94ad5dccface9a4ee6","SHA256":"fcae081ec5093f2f794e0fe32456a07d2294decea356ba84f5ca7c0af407b671"},"RichPEHeaderHash":{"MD5":"372b4c724687acc96710b406c74424df","SHA1":"b528b33ef8be28b0730a801245461fec1c0dbd84","SHA256":"1ed2a96cbf2e91a5bbe4ea80d07a897faaf34b94365b10643cfef339be7f7083"},"Sections":{".text":{"Entropy":6.102024756223843,"Virtual Size":"0x2048"},".rdata":{"Entropy":4.166134117348444,"Virtual Size":"0x32c"},".data":{"Entropy":0.4804878386624626,"Virtual Size":"0x128"},".pdata":{"Entropy":3.8622613276243682,"Virtual Size":"0x138"},"INIT":{"Entropy":5.005454896365848,"Virtual Size":"0x5dc"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2015-11-09 20:34:49","InternalName":"","Copyright":"","Imports":["ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["MmMapLockedPagesSpecifyCache","IoGetDeviceObjectPointer","IoBuildAsynchronousFsdRequest","ExAllocatePool","_vsnwprintf","IofCompleteRequest","IoGetLowerDeviceObject","KeWaitForSingleObject","IoBuildDeviceIoControlRequest","IoFreeIrp","ExFreePoolWithTag","IoGetAttachedDeviceReference","RtlCompareUnicodeString","MmUnlockPages","ObfReferenceObject","RtlInitUnicodeString","ObfDereferenceObject","KeSetEvent","RtlUnicodeStringToInteger","wcsncpy","ObReferenceObjectByName","KeInitializeEvent","IofCallDriver","IoFreeMdl","ObQueryNameString","IoDriverObjectType","IoDeleteSymbolicLink","IoDeleteDevice","IoCreateSymbolicLink","IoCreateDevice","InbvSolidColorFill","InbvSetScrollRegion","InbvResetDisplay","InbvSetTextColor","InbvDisplayString","ExAllocatePoolWithTag","ZwSetValueKey","wcsncat","KeReleaseSpinLock","ZwClose","ZwFlushKey","ZwDeleteKey","ZwEnumerateKey","ZwQueryKey","ZwOpenKey","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=CN, ST=SiChuan, L=ChengDu, O=CHENGDU AOMEI Tech Co., Ltd., CN=CHENGDU AOMEI Tech Co., Ltd.","ValidFrom":"2016-06-29 00:00:00","ValidTo":"2019-06-29 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"28736d0d296789512bac66cce86c4a00","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"4c93a544ef2dacd77773714dc2decb2a","SHA1":"fe76f8127d047eb7fa8d0953886c61e76f7a2edf","SHA256":"e709f276f00712d30c1c2be02d74b34419b9a069f3424c67f906c8543bd1e6b7","SHA384":"20d1076f3a1709ed9ee4b11539174a9399493ccb59c2c899769411a30e01a6cc7d1e7c5834ac16993eda016a7f6eb141"}},{"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":"28736d0d296789512bac66cce86c4a00","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"}]}}