AudioEng[.]dll

Sharing

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General

Target

AudioEng.dll
Size

475KB
MD5

f36dc34856bf2a2a4d095a896b5310ba
SHA1

6f9d8494f83240f69d41ea278bc58531d18478c2
SHA256

9da29c044aa2c39a692d70a89b7985dd9741e94f4149eb354285eb98fa521e26
SHA512

a4068e78f32bef05f3ab231c1d83da0c547d7fd15ea1482c51e66a4992165eddaca45f39b7d2e812fe8b42939bcff112d02b0b8981c1eee44034d6741588d954
SSDEEP

12288:fuM5q15s2/azNQiqGKuV2/uxMWopVRF7g:fuD/2C+jV2/uxoTF7g

Score

1^/10

Malware Config

Signatures

Files

AudioEng.dll
.dll regsvr32 windows:10 windows x86 arch:x86

47eeb6b77d6e9d0494887e2a329914ac

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/03/2020, 18:30

Not After

03/03/2021, 18:30

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

48:9d:67:a2:95:87:bb:c6:e4:11:16:92:92:84:de:24:a5:b4:3d:be:e8:de:b5:31:65:1f:1d:c6:2a:e8:40:09
Signer

Actual PE Digest

48:9d:67:a2:95:87:bb:c6:e4:11:16:92:92:84:de:24:a5:b4:3d:be:e8:de:b5:31:65:1f:1d:c6:2a:e8:40:09

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

AUDIOENG.pdb

Imports

msvcrt

_CIpow
ceil
floor
malloc
_except_handler4_common
_CIexp
memcmp
__dllonexit
_unlock
_lock
realloc
_errno
??1type_info@@UAE@XZ
_ftol2_sse
_ftol2
?terminate@@YAXXZ
_initterm
_onexit
_amsg_exit
_XcptFilter
memset
memmove_s
_CxxThrowException
calloc
_CIsqrt
_resetstkoflw
_finite
_isnan
_vsnwprintf
_purecall
_CIsin
wcscat_s
__CxxFrameHandler3
wcsncpy_s
wcscpy_s
memcpy_s
free
_CIcos
memcpy

oleaut32

VarUI4FromStr

api-ms-win-eventing-provider-l1-1-0

EventSetInformation
EventWrite
EventRegister
EventWriteTransfer
EventUnregister

api-ms-win-core-errorhandling-l1-1-1

GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RaiseException
SetLastError

api-ms-win-core-com-l1-1-1

CoTaskMemAlloc
PropVariantClear
CoTaskMemFree
CoDisconnectObject
CoTaskMemRealloc
CoCreateInstance
StringFromGUID2

api-ms-win-core-string-l1-1-0

MultiByteToWideChar

api-ms-win-core-string-obsolete-l1-1-0

lstrcmpiW

api-ms-win-core-localization-l1-2-1

SetThreadLocale
GetThreadLocale

api-ms-win-core-handle-l1-1-0

DuplicateHandle
CloseHandle

api-ms-win-core-winrt-error-l1-1-1

RoOriginateError

api-ms-win-core-synch-l1-2-0

InitializeCriticalSectionEx
WaitForSingleObjectEx
Sleep
WaitForMultipleObjectsEx
CreateWaitableTimerExW
ReleaseSRWLockShared
InitOnceBeginInitialize
CreateEventW
SetEvent
AcquireSRWLockShared
LeaveCriticalSection
ReleaseSRWLockExclusive
DeleteCriticalSection
EnterCriticalSection
InitOnceInitialize
InitializeSRWLock
AcquireSRWLockExclusive
CancelWaitableTimer
InitOnceExecuteOnce
WaitForSingleObject
SetWaitableTimer
InitializeCriticalSection
ResetEvent

api-ms-win-core-util-l1-1-0

DecodePointer

api-ms-win-core-libraryloader-l1-2-0

LockResource
SizeofResource
FreeLibrary
LoadResource
GetProcAddress
LoadLibraryExW
GetModuleHandleW
GetModuleFileNameW
FindResourceExW
DisableThreadLibraryCalls

api-ms-win-core-string-l2-1-0

CharNextW

api-ms-win-core-registry-l1-1-0

RegCreateKeyExW
RegSetValueExW
RegDeleteKeyExW
RegCloseKey
RegGetValueW
RegQueryValueExW
RegQueryInfoKeyW
RegEnumKeyExW
RegDeleteValueW
RegOpenKeyExW

api-ms-win-eventing-classicprovider-l1-1-0

TraceMessage
GetTraceLoggerHandle
TraceEvent
GetTraceEnableLevel
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableFlags

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter
QueryPerformanceFrequency

ntdll

EtwUnregisterTraceGuids
EtwGetTraceEnableFlags
EtwGetTraceLoggerHandle
EtwGetTraceEnableLevel
EtwRegisterTraceGuidsW
RtlExtendMemoryBlockLookaside
RtlDestroyMemoryBlockLookaside
RtlNtStatusToDosError
RtlLockCurrentThread
RtlFreeMemoryBlockLookaside
RtlUnlockCurrentThread
RtlLockMemoryBlockLookaside
RtlUnlockModuleSection
RtlLockModuleSection
RtlCreateMemoryBlockLookaside
RtlUnlockMemoryBlockLookaside
NtQueryInformationProcess
RtlAllocateMemoryBlockLookaside
NtClose
EtwLogTraceEvent
NtSetTimerResolution

api-ms-win-core-heap-l1-2-0

HeapDestroy
HeapFree
HeapAlloc
GetProcessHeap
HeapSize
HeapReAlloc

api-ms-win-core-sysinfo-l1-2-1

GetTickCount64
GetTickCount
GetSystemTimeAsFileTime

api-ms-win-core-processthreads-l1-1-2

GetCurrentThread
GetCurrentProcess
TerminateProcess
SetThreadPriority
CreateThread
GetCurrentProcessId
GetCurrentThreadId

api-ms-win-core-synch-l1-2-1

WaitForMultipleObjects

api-ms-win-core-memory-l1-1-2

SetProcessWorkingSetSizeEx
GetProcessWorkingSetSizeEx

api-ms-win-core-debug-l1-1-1

OutputDebugStringA

avrt

AvSetMmThreadCharacteristicsA
AvSetMultimediaMode
AvThreadOpenTaskIndex
AvTaskIndexYieldCancel
AvQuerySystemResponsiveness
AvTaskIndexYield
AvSetMmThreadPriority
AvRevertMmThreadCharacteristics

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI
DelayLoadFailureHook

Exports

Exports

AERT_Allocate
AERT_Free
DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 418KB - Virtual size: 417KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

RT_CODE
Size: 512B - Virtual size: 351B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

RT_BSS
Size: - Virtual size: 40B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 4KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

RT_DATA
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

RT_CONST
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

47eeb6b77d6e9d0494887e2a329914ac

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

48:9d:67:a2:95:87:bb:c6:e4:11:16:92:92:84:de:24:a5:b4:3d:be:e8:de:b5:31:65:1f:1d:c6:2a:e8:40:09Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

oleaut32

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-errorhandling-l1-1-1

api-ms-win-core-com-l1-1-1

api-ms-win-core-string-l1-1-0

api-ms-win-core-string-obsolete-l1-1-0

api-ms-win-core-localization-l1-2-1

api-ms-win-core-handle-l1-1-0

api-ms-win-core-winrt-error-l1-1-1

api-ms-win-core-synch-l1-2-0

api-ms-win-core-util-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-string-l2-1-0

api-ms-win-core-registry-l1-1-0

api-ms-win-eventing-classicprovider-l1-1-0

api-ms-win-core-profile-l1-1-0

ntdll

api-ms-win-core-heap-l1-2-0

api-ms-win-core-sysinfo-l1-2-1

api-ms-win-core-processthreads-l1-1-2

api-ms-win-core-synch-l1-2-1

api-ms-win-core-memory-l1-1-2

api-ms-win-core-debug-l1-1-1

avrt

api-ms-win-core-delayload-l1-1-1

Exports

Exports

Sections

.text Size: 418KB - Virtual size: 417KB

RT_CODE Size: 512B - Virtual size: 351B

RT_BSS Size: - Virtual size: 40B

.data Size: 4KB - Virtual size: 13KB

.idata Size: 6KB - Virtual size: 6KB

.didat Size: 512B - Virtual size: 12B

RT_DATA Size: 5KB - Virtual size: 5KB

RT_CONST Size: 3KB - Virtual size: 2KB

.rsrc Size: 8KB - Virtual size: 7KB

.reloc Size: 15KB - Virtual size: 15KB

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

48:9d:67:a2:95:87:bb:c6:e4:11:16:92:92:84:de:24:a5:b4:3d:be:e8:de:b5:31:65:1f:1d:c6:2a:e8:40:09
Signer

.text
Size: 418KB - Virtual size: 417KB

RT_CODE
Size: 512B - Virtual size: 351B

RT_BSS
Size: - Virtual size: 40B

.data
Size: 4KB - Virtual size: 13KB

.idata
Size: 6KB - Virtual size: 6KB

.didat
Size: 512B - Virtual size: 12B

RT_DATA
Size: 5KB - Virtual size: 5KB

RT_CONST
Size: 3KB - Virtual size: 2KB

.rsrc
Size: 8KB - Virtual size: 7KB

.reloc
Size: 15KB - Virtual size: 15KB