cea8bd08-a3c5-4ae1-a568-387b909ada67
driver_146b8f4f.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.
This download link contains the malicious driver!
Commands
sc.exe create driver_c3d48ddd.sys binPath=C:\windows\temp\driver_c3d48ddd.sys type=kernel && sc.exe start driver_c3d48ddd.sys
Use Case | Privileges | Operating System |
---|---|---|
Elevate privileges | kernel | Windows 10 |
Detections
YARA 🏹
Resources
Known Vulnerable Samples
Property | Value |
---|---|
Filename | |
Creation Timestamp | 2017-02-03 00:44:18 |
MD5 | 448453590f8694e15f1f2092fdfd5efd |
SHA1 | a9146d13e031e7c9ce40b7be7c7dc6dc0e422e54 |
SHA256 | 146b8f4fc91a4915e8f6aa6e0d871f7161a809c46760ef602bab534836142436 |
Authentihash MD5 | dc0531b199dcebf3d9326c195436ea30 |
Authentihash SHA1 | 76fbc550334430d4986794018d7f9a5c30cb05a4 |
Authentihash SHA256 | 0058db5dab98d570d418af5c2ea15333bec7723b5819ab4f433d7e7760fae8ed |
RichPEHeaderHash MD5 | 017a60898a4d5cff248e20cac6b3a799 |
RichPEHeaderHash SHA1 | 3aad65f1716324770d57321fe8eee82c1148addc |
RichPEHeaderHash SHA256 | a37903b9f036ac3ad0e308e238390df6f5d12aec7a796c7fe4aabd8346f9827e |
Company | Pinchins Technology Co.,Ltd. |
Description | RWTKrl |
Product | RansomwareTerminator |
OriginalFilename | RWTKrl.sys |
Certificates
Expand
Certificate 7e93ebfb7cc64e59ea4b9a77d406fc3b
Field | Value |
---|---|
ToBeSigned (TBS) MD5 | d0785ad36e427c92b19f6826ab1e8020 |
ToBeSigned (TBS) SHA1 | 365b7a9c21bd9373e49052c3e7b3e4646ddd4d43 |
ToBeSigned (TBS) SHA256 | c2abb7484da91a658548de089d52436175fdb760a1387d225611dc0613a1e2ff |
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 |
Certificate 0ecff438c8febf356e04d86a981b1a50
Field | Value |
---|---|
ToBeSigned (TBS) MD5 | e9d38360b914c8863f6cba3ee58764d3 |
ToBeSigned (TBS) SHA1 | 4cba8eae47b6bf76f20b3504b98b8f062694a89b |
ToBeSigned (TBS) SHA256 | 88901d86a4cc1f1bb193d08e1fb63d27452e63f83e228c657ab1a92e4ade3976 |
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 |
Certificate 10a9caf34c8b7f963f76eb131ec8b9f4
Field | Value |
---|---|
ToBeSigned (TBS) MD5 | c8dafabce58e752c0b7c585f23af68e5 |
ToBeSigned (TBS) SHA1 | 06243f2dfe31293c25ba25bff90be09531921924 |
ToBeSigned (TBS) SHA256 | 96b4f4626a4a0ef8b8d47790eb711bfa2751a5876dfc12fd5e0fb269417bea96 |
Subject | C=CN, ST=Fujian, L=Fuzhou, O=Pinchins Technology Company Limited, OU=IT Dept, CN=Pinchins Technology Company Limited |
ValidFrom | 2016-11-10 00:00:00 |
ValidTo | 2018-11-02 23:59:59 |
Signature | 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 |
SignatureAlgorithmOID | 1.2.840.113549.1.1.5 |
IsCertificateAuthority | False |
SerialNumber | 10a9caf34c8b7f963f76eb131ec8b9f4 |
Version | 3 |
Certificate 611993e400000000001c
Field | Value |
---|---|
ToBeSigned (TBS) MD5 | 78a717e082dcc1cda3458d917e677d14 |
ToBeSigned (TBS) SHA1 | 4a872e0e51f9b304469cd1dedb496ee9b8b983a4 |
ToBeSigned (TBS) SHA256 | 317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8 |
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 | 812a82168c34672be503eb347b8ca2a3508af45586f11e8c8eae7dee0319ce72951848ad6211fd20fd3f4706015ae2e06f8c152c4e3c6a506c0b36a3cf7a0d9c42bc5cf819d560e369e6e22341678c6883762b8f93a32ab57fbe59fba9c9b2268fcaa2f3821b983e919527978661ee5b5d076bcd86a8e26580a8e215e2b2be23056aba0cf347934daca48c077939c061123a050d89a3ec9f578984fbecca7c47661491d8b60f195de6b84aacbc47c8714396e63220a5dc7786fd3ce38b71db7b9b03fcb71d3264eb1652a043a3fa2ead59924e7cc7f233424838513a7c38c71b242228401e1a461f17db18f7f027356cb863d9cdb9645d2ba55eefc629b4f2c7f821cc04ba57fd01b6abc667f9e7d3997ff4f522fa72f5fdff3a1c423aa1f98018a5ee8d1cd4669e4501feaaeefffb178f30f7f1cd29c59decb5d549003d85b8cbbb933a276a49c030ae66c9f723283276f9a48356c848ce5a96aaa0cc0cc47fb48e97af6de35427c39f86c0d6e473089705dbd054625e0348c2d59f7fa7668cd09db04fd4d3985f4b7ac97fb22952d01280c70f54b61e67cdc6a06c110384d34875e72afeb03b6e0a3aa66b769905a3f177686133144706fc537f52bd92145c4a246a678caf8d90aad0f679211b93267cc3ce1ebd883892ae45c6196a4950b305f8ae59378a6a250394b1598150e8ba8380b72335f476b9671d5918ad208d94 |
SignatureAlgorithmOID | 1.2.840.113549.1.1.5 |
IsCertificateAuthority | True |
SerialNumber | 611993e400000000001c |
Version | 3 |
Certificate 5200e5aa2556fc1a86ed96c9d44b33c7
Field | Value |
---|---|
ToBeSigned (TBS) MD5 | b30c31a572b0409383ed3fbe17e56e81 |
ToBeSigned (TBS) SHA1 | 4843a82ed3b1f2bfbee9671960e1940c942f688d |
ToBeSigned (TBS) SHA256 | 03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9 |
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 |
Imports
Expand
- ntoskrnl.exe
- HAL.dll
Imported Functions
Expand
- IoCreateNotificationEvent
- RtlInitUnicodeString
- memset
- MmGetSystemRoutineAddress
- PsGetVersion
- RtlDeleteElementGenericTable
- RtlGetElementGenericTable
- RtlIsGenericTableEmpty
- ObfDereferenceObject
- ObfReferenceObject
- ZwClose
- ZwQueryValueKey
- ZwOpenKey
- KeWaitForSingleObject
- IofCallDriver
- IoBuildDeviceIoControlRequest
- RtlEqualUnicodeString
- ObQueryNameString
- IoDeleteDevice
- IoDetachDevice
- IoAttachDeviceToDeviceStack
- KeDelayExecutionThread
- RtlInitializeGenericTable
- IoCreateDevice
- ExFreePoolWithTag
- ExAllocatePoolWithTag
- RtlCompareUnicodeString
- PsSetCreateProcessNotifyRoutine
- IoRegisterFsRegistrationChange
- IoDeleteSymbolicLink
- IoCreateSymbolicLink
- ExInitializeNPagedLookasideList
- IofCompleteRequest
- MmMapLockedPagesSpecifyCache
- RtlLookupElementGenericTable
- ExQueueWorkItem
- KeSetEvent
- ExfInterlockedInsertTailList
- RtlInsertElementGenericTable
- PsGetCurrentProcessId
- PsGetCurrentThreadId
- memcpy
- wcsncpy
- _wcsnicmp
- ZwQueryInformationFile
- ZwCreateFile
- wcsstr
- _wcslwr
- PsTerminateSystemThread
- ExfInterlockedRemoveHeadList
- _wcsupr
- KeSetPriorityThread
- KeGetCurrentThread
- IoFreeIrp
- IoGetTopLevelIrp
- KeClearEvent
- IoAllocateIrp
- ObReferenceObjectByHandle
- IoFileObjectType
- IoCreateFileSpecifyDeviceObjectHint
- DbgPrint
- IoVolumeDeviceToDosName
- ObOpenObjectByPointer
- PsProcessType
- PsLookupProcessByProcessId
- ZwQuerySymbolicLinkObject
- ZwOpenSymbolicLinkObject
- ZwWriteFile
- ZwReadFile
- ZwDeleteFile
- ExAllocatePool
- ObReferenceObjectByName
- IoDriverObjectType
- RtlTimeToTimeFields
- ExSystemTimeToLocalTime
- KeQuerySystemTime
- NtClose
- ZwQueryInformationProcess
- RtlCompareString
- RtlInitString
- ZwMapViewOfSection
- ZwCreateSection
- ZwOpenFile
- KeServiceDescriptorTable
- _stricmp
- PsGetProcessImageFileName
- PsCreateSystemThread
- MmIsAddressValid
- CmUnRegisterCallback
- CmRegisterCallback
- RtlVolumeDeviceToDosName
- RtlCopyUnicodeString
- memmove
- _snwprintf
- RtlAppendUnicodeStringToString
- RtlAppendUnicodeToString
- _wcsicmp
- ExInitializeResourceLite
- KeLeaveCriticalRegion
- ExAcquireResourceExclusiveLite
- KeEnterCriticalRegion
- ExAcquireResourceSharedLite
- ExReleaseResourceLite
- RtlAnsiStringToUnicodeString
- RtlInitAnsiString
- _allmul
- ZwDeleteValueKey
- KeTickCount
- KeBugCheckEx
- _vsnwprintf
- ExInterlockedPushEntrySList
- ExInterlockedPopEntrySList
- KeInitializeEvent
- RtlUnwind
- KeGetCurrentIrql
- ExAcquireFastMutex
- ExReleaseFastMutex
- HalReturnToFirmware
Exported Functions
Expand
Sections
Expand
- .text
- .rdata
- .data
- PAGE
- INIT
- .rsrc
- .reloc
Signature
Expand
{
"Certificates": [
{
"IsCertificateAuthority": true,
"SerialNumber": "7e93ebfb7cc64e59ea4b9a77d406fc3b",
"Signature": "03099b8f79ef7f5930aaef68b5fae3091dbb4f82065d375fa6529f168dea1c9209446ef56deb587c30e8f9698d23730b126f47a9ae3911f82ab19bb01ac38eeb599600adce0c4db2d031a6085c2a7afce27a1d574ca86518e979406225966ec7c7376a8321088e41eaddd9573f1d7749872a16065ea6386a2212a35119837eb6",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
"Subject": "C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services CA , G2",
"TBS": {
"MD5": "d0785ad36e427c92b19f6826ab1e8020",
"SHA1": "365b7a9c21bd9373e49052c3e7b3e4646ddd4d43",
"SHA256": "c2abb7484da91a658548de089d52436175fdb760a1387d225611dc0613a1e2ff",
"SHA384": "eab4fe5ef90e0de4a6aa3a27769a5e879f588df5e4785aa4104debd1f81e19ea56d33e3a16e5facf99f68b5d8e3d287b"
},
"ValidFrom": "2012-12-21 00:00:00",
"ValidTo": "2020-12-30 23:59:59",
"Version": 3
},
{
"IsCertificateAuthority": false,
"SerialNumber": "0ecff438c8febf356e04d86a981b1a50",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
"Subject": "C=US, O=Symantec Corporation, CN=Symantec Time Stamping Services Signer , G4",
"TBS": {
"MD5": "e9d38360b914c8863f6cba3ee58764d3",
"SHA1": "4cba8eae47b6bf76f20b3504b98b8f062694a89b",
"SHA256": "88901d86a4cc1f1bb193d08e1fb63d27452e63f83e228c657ab1a92e4ade3976",
"SHA384": "e9f2a75334a9e336c5a4712eadee88d0374b0fdc273262f4e65c9040ad2793067cc076696db5279a478773485e285652"
},
"ValidFrom": "2012-10-18 00:00:00",
"ValidTo": "2020-12-29 23:59:59",
"Version": 3
},
{
"IsCertificateAuthority": false,
"SerialNumber": "10a9caf34c8b7f963f76eb131ec8b9f4",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
"Subject": "C=CN, ST=Fujian, L=Fuzhou, O=Pinchins Technology Company Limited, OU=IT Dept, CN=Pinchins Technology Company Limited",
"TBS": {
"MD5": "c8dafabce58e752c0b7c585f23af68e5",
"SHA1": "06243f2dfe31293c25ba25bff90be09531921924",
"SHA256": "96b4f4626a4a0ef8b8d47790eb711bfa2751a5876dfc12fd5e0fb269417bea96",
"SHA384": "cc0c8ad8cb2e3bd3c4b8bee057d6c60475c84f31dc38a8b4cac8ad21ed44eb1c973f0d51d13fff8361e791e6ada7e548"
},
"ValidFrom": "2016-11-10 00:00:00",
"ValidTo": "2018-11-02 23:59:59",
"Version": 3
},
{
"IsCertificateAuthority": true,
"SerialNumber": "611993e400000000001c",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
"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",
"TBS": {
"MD5": "78a717e082dcc1cda3458d917e677d14",
"SHA1": "4a872e0e51f9b304469cd1dedb496ee9b8b983a4",
"SHA256": "317fa1d234ebc49040ebc5e8746f8997471496051b185a91bdd9dfbb23fab5f8",
"SHA384": "b71052da4eb9157c8c1a5d7f55df19d69b9128598b72fcca608e5b7cc7d64c43c5504b9c86355a6dc22ee40c88cc385c"
},
"ValidFrom": "2011-02-22 19:25:17",
"ValidTo": "2021-02-22 19:35:17",
"Version": 3
},
{
"IsCertificateAuthority": true,
"SerialNumber": "5200e5aa2556fc1a86ed96c9d44b33c7",
"Signature": "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",
"SignatureAlgorithmOID": "1.2.840.113549.1.1.5",
"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",
"TBS": {
"MD5": "b30c31a572b0409383ed3fbe17e56e81",
"SHA1": "4843a82ed3b1f2bfbee9671960e1940c942f688d",
"SHA256": "03cda47a6e654ed85d932714fc09ce4874600eda29ec6628cfbaeb155cab78c9",
"SHA384": "bbda8407c4f9fc4e54d772f1c7fb9d30bc97e1f97ecd51c443063d1fa0644e266328781776cd5c44896c457c75f4d7da"
},
"ValidFrom": "2010-02-08 00:00:00",
"ValidTo": "2020-02-07 23:59:59",
"Version": 3
}
],
"CertificatesInfo": "",
"Signer": [
{
"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",
"SerialNumber": "10a9caf34c8b7f963f76eb131ec8b9f4",
"Version": 1
}
],
"SignerInfo": ""
}
last_updated: 2025-01-13