{"Id":"da066835-f37c-40bf-86bb-d77ad45c7f30","Tags":["driver_fdd16a94.sys"],"Verified":"TRUE","Author":"Michael Haag","Created":"2024-09-10","MitreID":"T1068","Category":"malicious","Commands":{"Command":"sc.exe create driver_fdd16a94.sys binPath=C:\\windows\\temp\\driver_fdd16a94.sys type=kernel && sc.exe start driver_fdd16a94.sys","Description":"Sophos, from time to time, has observed a threat actor deploy variants of Poortry on different machines within a single estate during an attack. These variants contain the same payload, but signed with a different certificate than the driver first seen used during the attack.","Usecase":"Elevate privileges","Privileges":"kernel","OperatingSystem":"Windows 10"},"Resources":["https://news.sophos.com/en-us/2024/08/27/burnt-cigar-2/"],"Detection":[],"Acknowledgement":{"Person":"","Handle":""},"KnownVulnerableSamples":[{"Filename":"","MD5":"154f30d81f67dcb5b855d4db6f26c8a6","SHA1":"ffe5611f1f905f2caa4e846a51f31ef8856c95a2","SHA256":"fdd16a94a71644a8bb52c4e0fbfecb93f04cfe37bd91bac599cf9abfb822762f","Signature":"","Date":"","Publisher":"","Company":"","Description":"","Product":"","ProductVersion":"","FileVersion":"","MachineType":"AMD64","OriginalFilename":"","Imphash":"f4feb75af58dedd4a6974281dcbffc60","Authentihash":{"MD5":"bcf297b1129b502de6ba2a3d0963cb78","SHA1":"88888c2d89015a3a354b9ca2c374bfb934bfe40d","SHA256":"75aa0f984fdc2d0e1db632b65fbec424a87a8c68a822fca1e503a269eba71f2d"},"RichPEHeaderHash":{"MD5":"ffdf660eb1ebf020a1d0a55a90712dfb","SHA1":"3e905e3d061d0d59de61fcf39c994fcb0ec1bab3","SHA256":"2b3f99a94b7a7132854be769e27b331419c53989ef42f686d6f5ba09ddefefd6"},"Sections":{"0":{"Entropy":7.326462696290379,"Virtual Size":"0x176744"},".text":{"Entropy":6.135362511840688,"Virtual Size":"0xd345"},".rdata":{"Entropy":5.098874092882889,"Virtual Size":"0x17a0"},".data":{"Entropy":2.91974152779648,"Virtual Size":"0x18198"},".pdata":{"Entropy":7.78092848428939,"Virtual Size":"0x81c"},"PAGE":{"Entropy":6.215013467859407,"Virtual Size":"0x4f0"},"INIT":{"Entropy":5.538744394798921,"Virtual Size":"0x165a"},".reloc":{"Entropy":4.825465905347113,"Virtual Size":"0x1c8"}},"MagicHeader":"50 45 0 0","CreationTimestamp":"2024-07-28 01:29:20","InternalName":"","Copyright":"","Imports":["ntoskrnl.exe"],"ExportedFunctions":"","ImportedFunctions":["ExAllocatePoolWithTag","ExFreePoolWithTag","PsWrapApcWow64Thread","ObfDereferenceObject","PsGetCurrentThreadId","PsGetProcessId","PsIsThreadTerminating","PsLookupThreadByThreadId","KeInitializeApc","KeInsertQueueApc","KeTestAlertThread","PsGetThreadTeb","PsGetCurrentProcessWow64Process","ZwQuerySystemInformation","KeEnterCriticalRegion","KeLeaveCriticalRegion","KeEnterGuardedRegion","KeLeaveGuardedRegion","ExGetPreviousMode","IoGetCurrentProcess","PsGetThreadId","ZwSetInformationThread","NtClose","NtAllocateVirtualMemory","NtFreeVirtualMemory","KeAttachProcess","KeDetachProcess","KeSetIdealProcessorThread","PsLookupProcessByProcessId","ObOpenObjectByPointer","ZwQueryVirtualMemory","ZwFlushVirtualMemory","PsSuspendProcess","PsResumeProcess","NtQueryInformationProcess","NtSetInformationProcess","ZwFlushInstructionCache","ZwLockVirtualMemory","ZwUnlockVirtualMemory","ZwProtectVirtualMemory","ZwQueryInformationThread","NtWaitForSingleObject","PsLookupProcessThreadByCid","MmCopyVirtualMemory","PsGetContextThread","PsSetContextThread","NtQuerySystemInformationEx","PsProcessType","PsThreadType","MmHighestUserAddress","DbgPrint","KeWaitForSingleObject","KeStackAttachProcess","KeUnstackDetachProcess","ZwAllocateVirtualMemory","ZwFreeVirtualMemory","PsGetProcessWow64Process","RtlInitUnicodeString","RtlCompareUnicodeString","KeDelayExecutionThread","IoAllocateMdl","IoFreeMdl","ZwClose","PsGetProcessPeb","__C_specific_handler","KeInitializeEvent","KeSetEvent","ExAllocatePool","MmBuildMdlForNonPagedPool","IoAllocateIrp","IofCallDriver","IoCreateFile","IoFreeIrp","ObReferenceObjectByHandle","ObReferenceObjectByHandleWithTag","ObCloseHandle","ZwCreateFile","ZwReadFile","ZwWriteFile","IoGetFileObjectGenericMapping","IoCreateFileEx","MmFlushImageSection","ZwDeleteFile","SeCreateAccessState","ObCreateObject","IoFileObjectType","RtlAnsiStringToUnicodeString","RtlUnicodeStringToAnsiString","RtlFreeUnicodeString","RtlFreeAnsiString","_stricmp","strrchr","wcsstr","MmGetSystemRoutineAddress","RtlWriteRegistryValue","RtlCreateRegistryKey","RtlEqualUnicodeString","RtlTimeToTimeFields","RtlGetVersion","KeLowerIrql","KfRaiseIrql","ExSystemTimeToLocalTime","CmRegisterCallback","CmUnRegisterCallback","MmMapLockedPages","PsCreateSystemThread","PsTerminateSystemThread","IoBuildDeviceIoControlRequest","IofCompleteRequest","IoCreateDevice","IoCreateSymbolicLink","IoDeleteDevice","IoDeleteSymbolicLink","IoGetAttachedDeviceReference","IoGetDeviceObjectPointer","IoInitializeTimer","IoStartTimer","IoStopTimer","ObfReferenceObject","ObRegisterCallbacks","ObUnRegisterCallbacks","ObGetFilterVersion","ZwOpenKey","ZwDeleteKey","ZwQueryValueKey","RtlPrefixUnicodeString","KeBugCheck","MmIsAddressValid","PsGetProcessCreateTimeQuadPart","IoRegisterDriverReinitialization","RtlRandomEx","SeLocateProcessImageName","PsReferencePrimaryToken","PsDereferencePrimaryToken","IoEnumerateDeviceObjectList","ObMakeTemporaryObject","ObQueryNameString","FsRtlIsNameInExpression","swprintf","PsGetProcessImageFileName","ObReferenceObjectByName","PsGetProcessInheritedFromUniqueProcessId","PsRegisterPicoProvider","PsReferenceProcessFilePointer","PsInitialSystemProcess","IoDriverObjectType","ExAcquireFastMutex","ExReleaseFastMutex","PsGetCurrentProcessId","strncmp","ProbeForRead","MmUnmapLockedPages","MmUnmapIoSpace","MmMapIoSpaceEx","MmCopyMemory","ZwTerminateProcess","ZwOpenProcess","IoThreadToProcess","ZwWaitForSingleObject","ZwOpenFile","ZwCreateSection","ZwMapViewOfSection","ZwUnmapViewOfSection","RtlImageNtHeader","tolower","strstr","MmUserProbeAddress"],"Signatures":[{"CertificatesInfo":"","SignerInfo":"","Certificates":[{"Subject":"C=CN, ST=Guangdong, L=Shenzhen, O=Shenzhen yundian Technology Co., Ltd, CN=Shenzhen yundian Technology Co., Ltd","ValidFrom":"2013-05-20 00:00:00","ValidTo":"2014-05-20 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":false,"SerialNumber":"4efa7e7bba65ec1ab774f2b31357d599","Version":3,"CertificateType":"Leaf (Code Signing)","IsCodeSigning":true,"IsCA":false,"TBS":{"MD5":"f830820e8290f2defa077743ca6e7357","SHA1":"0b11022d5c65f12b15ea49da29c45a3bd51ff17b","SHA256":"c3bf6618b96463285ef2dabd06f631513585742cd9f2be85513f4d3763710211","SHA384":"c6079686cb82480e766a96ebe62d3a61fbf6e7dbbfb79248c0ac191dfe30b2e0017868a50f03a73caef4b8f730f6e014"}},{"Subject":"C=US, O=Thawte, Inc., CN=Thawte Code Signing CA , G2","ValidFrom":"2010-02-08 00:00:00","ValidTo":"2020-02-07 23:59:59","Signature":"56fe535ce1c79ebca7ed7e536d6a144b518c405e805faaa4e82fef38c804c9ca3ecfdf3a584eb0d4b663c52957fa02059a454d68db2a1bd4343d9f00c35acb9549a56ee1b0c5fc414d414a6fd377c8d7388de419de18f31f1565836d450c53f90a9a2ea55dbf6f32811892196a5500ad631c52067e55d92968ae4a7c189a79886b2323d827382a298776cafbc7b662231fed7a564cdd9c325bf53d0c4618953b2a2368836441d9006d0f1924156872bdc571676eac4cdb90eb51a51a6207d0be6a00473c722fec4f613e7385ce5a0ab7bac01c1375e3223928dd6d1d09469d4fbae8408191c6a4ce94721b01cf2a6e15679589ae7db7b7cdf90a3d75b66b3c25","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"47974d7873a5bcab0d2fb370192fce5e","Version":3,"CertificateType":"CA","IsCodeSigning":true,"IsCA":true,"TBS":{"MD5":"e3a93dc2a8a8a668fdbb286bfe9afab5","SHA1":"95795d2aa2a554a423bc8c6e5b0a016d14887d35","SHA256":"d8844186775bddbccaf3dc017064df7d760fd4b85c5d07561a3efd7da950f89e","SHA384":"78d972495720b43a6470b18ae1226bcca20707628087717a9364c14ca053ba264e6d149718b103542d9942200138a69d"}},{"Subject":"C=US, O=thawte, Inc., OU=Certification Services Division, OU=(c) 2006 thawte, Inc. , For authorized use only, CN=thawte Primary Root CA","ValidFrom":"2011-02-22 19:31:57","ValidTo":"2021-02-22 19:41:57","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.5","IsCertificateAuthority":true,"SerialNumber":"611fb0a400000000001d","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"a3f222107d4e1085e73b5b589c2f480b","SHA1":"b94aa26cd77c48d91a53ac44506cbd255e1d362c","SHA256":"a39ed0d6fd4eb1a6f7fed60f726e23eae668b7591bc004644625d22c701213fa","SHA384":"64b7643e4146016cbf83c911eb67e4601b6bb8d66f8ee8dcee67b815f91770d86ab23678b984430f22a963e5484881b7"}},{"Subject":"C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert Trusted Root G4","ValidFrom":"2022-08-01 00:00:00","ValidTo":"2031-11-09 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.12","IsCertificateAuthority":true,"SerialNumber":"0e9b188ef9d02de7efdb50e20840185a","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"21a266bd49f2778b24d13d95641ea6ac","SHA1":"21319f341fdf06bf6a104427afa8b7823b1ea7f3","SHA256":"e933dc68ee65abd1f9b1aa6738eff60a6895d3d8cc4accf0c69069aa3decd757","SHA384":"11533efd6b326a4e065a936de300fe0586a479f93d569d2403bd62c7ad35f1b2199daee3adb510f429c4fc97b4b024e3"}},{"Subject":"C=US, O=DigiCert, Inc., CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA","ValidFrom":"2022-03-23 00:00:00","ValidTo":"2037-03-22 23:59:59","Signature":"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","SignatureAlgorithmOID":"1.2.840.113549.1.1.11","IsCertificateAuthority":true,"SerialNumber":"073637b724547cd847acfd28662a5e5b","Version":3,"CertificateType":"CA","IsCodeSigning":false,"IsCA":true,"TBS":{"MD5":"e4b8ad9932ff9205f580cf8fb2afbb86","SHA1":"5301f7044d78bf94dd2b6e4871083a17fdba1dcc","SHA256":"c3d01499a5d1d2f71e0f44e78fbfa4b8aadb43dd4f226401e0c1d7a6d53357fa","SHA384":"84b5f399da5a4f4387269adfd951ef7d2197c29552ed2d2e449060664c3825d6bdb2acc3e563d999e54652f7384f445e"}},{"Subject":"C=US, 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23:59:59","Signature":"811ad6dea0a9b59817bc708d4f8a3c689cd825ffcb2ce4cdea5d2292ec8c2202a9b8cf80a8d9e7e3c5ed26828a712f18dd4eb6de6cd7e1609c2beded3d488eb86bba7c5dbdc26137684977a3eb90aa12d72785f38e1e92dac240389f5dc8a02e2578259d2a057a842998b657798fdb26562bb0f3a7bd370cd898764f56b952c2b69d38a981e76d415c8c69d1b92bc4c67bcf9cfa78e2931a76a26975d350e44412be200d9ea944d0f8e54977085a21c5b4cf98951a54bab9bcc16919bacf16f28337346eb04126ddde5a974f338dd48d777d7545a1a558266a0345ded950b5508caf56bd4cc5e146c528d3ade7430070decc989e198903ead49137ef4d52f3c96021c45647edda114b8c32c388e658e2b6db3ef95fb042d68fe31791d1aac055e386bfac272c41d09a334aa836d4b972967e977938485fcac2dc3d32df75d636675a89f8f6a7c7e54f353c00bdbe9c2a6c7901dcda44e63ade383b075e3958f47c733155a08011cb140c7eaebcfea4eb7965aa68d622ca3beb9a8235572816cb69f2329ab2d2d83ab8b146866bba17fdc4776c156caeabaf733ae84946b7d57fccb638c0d8ec1cf5b6a1b8432cdf4e4c7d1e6870c0770ad402e05c60bb28ff38e5525ad6ac1722234ef4ecd317fb506bff07771f71974441c9b846d36c327c582f674765e51b73b699f96b2c0646ef411ef0f05fe0dbd9ad908044af8010418a","SignatureAlgorithmOID":"1.2.840.113549.1.1.11","IsCertificateAuthority":false,"SerialNumber":"0544aff3949d0839a6bfdb3f5fe56116","Version":3,"CertificateType":"Intermediate","IsCodeSigning":false,"IsCA":false,"TBS":{"MD5":"7630cbd02cc6732394e9fdfe99d0d8f8","SHA1":"bc1890d694f9d392c4cbae6a174e35d70e7ec8b1","SHA256":"594a02de632b3a08ed6644c36994025e57f35bc8e7bd16cec5d347883390d1d8","SHA384":"31d9fb75262762d17046f31e5c54509f58a295d505e411019544000b64f607b44b3346b708fa50d48f199dba56f0c0b1"}}],"Signer":[{"SerialNumber":"4efa7e7bba65ec1ab774f2b31357d599","Issuer":"C=US, O=Thawte, Inc., CN=Thawte Code Signing CA , G2","Version":1}]}],"LoadsDespiteHVCI":"TRUE"}]}