11Id : 2c7d54ff-7b49-4da8-ae77-00ac6fa2944f
22Tags :
33- HWAuidoOs2Ec.sys
4+ - havoc.sys
45Verified : ' TRUE'
56Author : Michael Haag
67Created : ' 2026-04-17'
@@ -19,6 +20,9 @@ Resources:
1920- https://github.com/magicsword-io/LOLDrivers/issues/325
2021- https://github.com/KeServiceDescriptorTable/vulnerable-drivers
2122- https://www.security.com/threat-intelligence/dragonforce-msteams-backdoor
23+ - https://www.huntress.com/blog/w2-malvertising-to-kernel-mode-edr-kill
24+ - https://www.welivesecurity.com/en/eset-research/killing-me-gently-inside-gentlemens-edr-killer-framework/
25+ - https://github.com/magicsword-io/LOLDrivers/issues/377
2226Detection : []
2327Acknowledgement :
2428 Person : ' '
@@ -170,3 +174,201 @@ KnownVulnerableSamples:
170174 Version : 1
171175 LoadsDespiteHVCI : ' TRUE'
172176 Imphash : 9cfa9662095195fc2607e952710e62ae
177+ - Filename : havoc.sys
178+ MD5 : eef8a950952696b018aa9c6da2f5d7ad
179+ SHA1 : 1fa071303fb846308571e64727501fb98b1c2be6
180+ SHA256 : 5abe477517f51d81061d2e69a9adebdcda80d36667d0afabe103fda4802d33db
181+ Filesize : 47240
182+ Signature : Signed
183+ Company : Huawei Device Co., Ltd.
184+ Description : HWAuidoOs2Ec
185+ Product : Huawei Audio Driver
186+ ProductVersion : 1.0.0.0
187+ FileVersion : 1.0.0.0
188+ OriginalFilename : HWAuidoOs2Ec.sys
189+ Imphash : 543809105fd767866c03705a39fb25a8
190+ Authentihash :
191+ MD5 : 1e4bd23e6cd64176a5602600c92398b6
192+ SHA1 : 129a114d49191b7b8663f3e84af8848458fe1e8a
193+ SHA256 : 097e26ab94ce6ac36fe5713e0120c805edb048e30bcfa317fd7025f50b761e92
194+ RichPEHeaderHash :
195+ MD5 : 46c2fd23a66e7b916e2783e27e89503f
196+ SHA1 : 2ba2dc432cd157097970a01333dfe5ce93f94330
197+ SHA256 : 355290ae40ad0699b4c2d5d80639cd97c98b6f42664efbf37f0f6279b138f27e
198+ Sections :
199+ .text :
200+ Entropy : 6.35819946938083
201+ Virtual Size : ' 0x2ed4'
202+ .rdata :
203+ Entropy : 4.401761607315822
204+ Virtual Size : ' 0xec4'
205+ .data :
206+ Entropy : 1.4047598783637012
207+ Virtual Size : ' 0x61c'
208+ .pdata :
209+ Entropy : 4.257343383367369
210+ Virtual Size : ' 0x450'
211+ PAGE :
212+ Entropy : 6.237332725680902
213+ Virtual Size : ' 0x1ea0'
214+ INIT :
215+ Entropy : 5.3553386411676245
216+ Virtual Size : ' 0x976'
217+ .rsrc :
218+ Entropy : 3.313302820377281
219+ Virtual Size : ' 0x3a0'
220+ .reloc :
221+ Entropy : 3.6635907381239066
222+ Virtual Size : ' 0x34'
223+ MagicHeader : 50 45 0 0
224+ CreationTimestamp : ' 2021-11-15 19:49:21'
225+ InternalName : HWAuidoOs2Ec
226+ Copyright : " Copyright \xA9 Huawei Device Co., Ltd. All rights reserved."
227+ MachineType : AMD64
228+ Imports :
229+ - ntoskrnl.exe
230+ - HAL.dll
231+ - WDFLDR.SYS
232+ ExportedFunctions : ' '
233+ ImportedFunctions :
234+ - memcpy_s
235+ - wcscat_s
236+ - ExAllocatePoolWithTag
237+ - ExFreePoolWithTag
238+ - MmMapIoSpace
239+ - MmUnmapIoSpace
240+ - IoWMIOpenBlock
241+ - IoWMIQueryAllData
242+ - IoWMIExecuteMethod
243+ - ObfDereferenceObject
244+ - MmGetSystemRoutineAddress
245+ - RtlGetVersion
246+ - ObReferenceObjectByHandle
247+ - ZwClose
248+ - ZwTerminateProcess
249+ - ZwOpenProcess
250+ - __C_specific_handler
251+ - PsProcessType
252+ - RtlTimeToTimeFields
253+ - KeInitializeEvent
254+ - ExAcquireFastMutex
255+ - ExReleaseFastMutex
256+ - ExSystemTimeToLocalTime
257+ - PsSetCreateProcessNotifyRoutineEx
258+ - KeSetEvent
259+ - KeWaitForMultipleObjects
260+ - KeWaitForSingleObject
261+ - PsCreateSystemThread
262+ - PsTerminateSystemThread
263+ - _wcsnicmp
264+ - InitSafeBootMode
265+ - ZwOpenKey
266+ - ZwQueryValueKey
267+ - ObOpenObjectByPointer
268+ - IoDeleteSymbolicLink
269+ - ZwSetSecurityObject
270+ - IoDeviceObjectType
271+ - IoCreateDevice
272+ - RtlGetDaclSecurityDescriptor
273+ - RtlGetGroupSecurityDescriptor
274+ - RtlGetOwnerSecurityDescriptor
275+ - RtlGetSaclSecurityDescriptor
276+ - SeCaptureSecurityDescriptor
277+ - _snwprintf
278+ - RtlLengthSecurityDescriptor
279+ - SeExports
280+ - RtlCreateSecurityDescriptor
281+ - wcschr
282+ - RtlAbsoluteToSelfRelativeSD
283+ - RtlAddAccessAllowedAce
284+ - RtlLengthSid
285+ - IoIsWdmVersionAvailable
286+ - RtlSetDaclSecurityDescriptor
287+ - ZwSetValueKey
288+ - ZwCreateKey
289+ - RtlFreeUnicodeString
290+ - IoDeleteDevice
291+ - IoCreateSymbolicLink
292+ - RtlCopyUnicodeString
293+ - IofCompleteRequest
294+ - DbgPrint
295+ - RtlInitUnicodeString
296+ - HalGetBusDataByOffset
297+ - WdfVersionBind
298+ - WdfVersionUnbind
299+ - WdfVersionUnbindClass
300+ - WdfVersionBindClass
301+ Signatures :
302+ - CertificatesInfo : ' '
303+ SignerInfo : ' '
304+ Certificates :
305+ - Subject : C=BE, O=GlobalSign nv,sa, CN=GlobalSign CodeSigning CA , SHA256 , G3
306+ ValidFrom : ' 2016-06-15 00:00:00'
307+ ValidTo : ' 2024-06-15 00:00:00'
308+ Signature : 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
309+ SignatureAlgorithmOID : 1.2.840.113549.1.1.11
310+ IsCertificateAuthority : true
311+ SerialNumber : 481b6a0726d2e83f2602d4825acd
312+ Version : 3
313+ CertificateType : CA
314+ IsCodeSigning : true
315+ IsCA : true
316+ TBS :
317+ MD5 : b35d3f705a99b93f2a1ade225053ed44
318+ SHA1 : 4f1dda8d1357ab594cec773c66c05e4bc8085801
319+ SHA256 : 06936bac8d2f85d9ce6f7348ea421a1a949219182845192667b0e671fe0e4285
320+ SHA384 : d62c8126b964a1f15546d741362aa5cf56c08a0e998b12f9554dc0ff4dc9d10294f9dfa325c8727d48754ff36b3a9a3b
321+ - Subject : C=US, O=DigiCert, Inc., CN=DigiCert Timestamp 2021
322+ ValidFrom : ' 2021-01-01 00:00:00'
323+ ValidTo : ' 2031-01-06 00:00:00'
324+ Signature : 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
325+ SignatureAlgorithmOID : 1.2.840.113549.1.1.11
326+ IsCertificateAuthority : false
327+ SerialNumber : 0d424ae0be3a88ff604021ce1400f0dd
328+ Version : 3
329+ CertificateType : Intermediate
330+ IsCodeSigning : false
331+ IsCA : false
332+ TBS :
333+ MD5 : c0189c338449a42fe8358c2c1fbecc60
334+ SHA1 : b8ac0ee6875594b80ad86a6df6dd1fa3048c187c
335+ SHA256 : a43de6baf968a942da017b70769fdb65b3cfb1bbca1f9174da26a7d8aae78ec5
336+ SHA384 : 76d3a316a5a106050298418cce3beea16100524723d9e3220b0de51bfb6f1c35a5d4c7cd10b358fef7bf94c3e3562150
337+ - Subject : C=CN, ST=Guangdong, L=Dongguan, O=Huawei Device Co., Ltd., OU=IT Dept.,
338+ CN=Huawei Device Co., Ltd.
339+ ValidFrom : ' 2020-04-08 08:30:19'
340+ ValidTo : ' 2023-04-09 08:30:19'
341+ Signature : 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
342+ SignatureAlgorithmOID : 1.2.840.113549.1.1.11
343+ IsCertificateAuthority : false
344+ SerialNumber : 4b18d6298c19a073602b9e7b
345+ Version : 3
346+ CertificateType : Leaf (Code Signing)
347+ IsCodeSigning : true
348+ IsCA : false
349+ TBS :
350+ MD5 : 71bdbc8a54046f3058155c9e75814db7
351+ SHA1 : aa25f4b5fbeda167fa4308b99acb47a729cc5787
352+ SHA256 : b5cfc93fce74edf4d63259ad1e0da3e8d115f22723c7f260248337f08144e5b6
353+ SHA384 : 6e32db4a37a11ad97e66ae8026979bf32988db16ab723c268086e5e9870d88953000a2c65526d64a7406179571abe3ec
354+ - Subject : C=US, O=DigiCert Inc, OU=www.digicert.com, CN=DigiCert SHA2 Assured
355+ ID Timestamping CA
356+ ValidFrom : ' 2016-01-07 12:00:00'
357+ ValidTo : ' 2031-01-07 12:00:00'
358+ Signature : 719512e951875669cdefddda7caa637ab378cf06374084ef4b84bfcacf0302fdc5a7c30e20422caf77f32b1f0c215a2ab705341d6aae99f827a266bf09aa60df76a43a930ff8b2d1d87c1962e85e82251ec4ba1c7b2c21e2d65b2c1435430468b2db7502e072c798d63c64e51f4810185f8938614d62462487638c91522caf2989e5781fd60b14a580d7124770b375d59385937eb69267fb536189a8f56b96c0f458690d7cc801b1b92875b7996385228c61ca79947e59fc8c0fe36fb50126b66ca5ee875121e458609bba0c2d2b6da2c47ebbc4252b4702087c49ae13b6e17c424228c61856cf4134b6665db6747bf55633222f2236b24ba24a95d8f5a68e52
359+ SignatureAlgorithmOID : 1.2.840.113549.1.1.11
360+ IsCertificateAuthority : true
361+ SerialNumber : 0aa125d6d6321b7e41e405da3697c215
362+ Version : 3
363+ CertificateType : CA
364+ IsCodeSigning : false
365+ IsCA : true
366+ TBS :
367+ MD5 : 8d26184fc613f89aba1cefb30fce1b53
368+ SHA1 : 63a7e376bad5ec2e419d514a403bcf46c8d31d95
369+ SHA256 : 56b5f0d9db578e3f142921daa387902722a76700375c7e1c4ae0ba004bacaa0c
370+ SHA384 : d8c9691fe9dbe182f07b49b07fbb4f589fa7b38b5c4d21f265d3a2e818f4b1bfb39e03faab2ec05bb10333a99914fb8a
371+ Signer :
372+ - SerialNumber : 4b18d6298c19a073602b9e7b
373+ Issuer : C=BE, O=GlobalSign nv,sa, CN=GlobalSign CodeSigning CA , SHA256 , G3
374+ Version : 1
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