HrtfApo[.]dll | Triage

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General

Target

HrtfApo.dll
Size

336KB
MD5

9ce87248ab7b1efea53d823af0c66ecc
SHA1

594ec0afb1b80a11f5bb72a8cfac855364bf522b
SHA256

fa7dec66a6a536a986312b5cd2b6bbef3e57b6b75287edce011b0892d28a35ef
SHA512

f2dc7737ab45ba25d3b7dd80036695b96e6d3059b64baac0e2eb4af6656d6fe0a316c1782f7ea7c5057d72d4ca3f5bcb3f32324714d49b590e436f5ca2c9d5a2
SSDEEP

6144:NCoE3e02ZzGmcvLshdkSPvAxBZ5BZhlPTL9Pz:8oE3etGmUMdkSPvOZHZ/Hl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
HrtfApo.dll

Files

HrtfApo.dll
.dll windows:10 windows x86 arch:x86

c03779581f56a360cf542322ab085471

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

HrtfApo.pdb

Imports

msvcrt

memcpy_s
??0exception@@QAE@ABQBD@Z
free
memcmp
memset
_amsg_exit
_isnan
_CIsqrt
_CIcos
_CIsin
_XcptFilter
_callnewh
_vsnprintf_s
??0exception@@QAE@ABQBDH@Z
__libm_sse2_sinf
_except_handler4_common
??0exception@@QAE@ABV0@@Z
_aligned_malloc
malloc
??1type_info@@UAE@XZ
?terminate@@YAXXZ
??0exception@@QAE@XZ
_lock
_unlock
_initterm
??1exception@@UAE@XZ
_purecall
memmove
memcpy
_CxxThrowException
_onexit
??3@YAXPAX@Z
__dllonexit
__CxxFrameHandler3
?what@exception@@UBEPBDXZ
_vsnwprintf
_aligned_free
_CIacos
_CIlog10
__libm_sse2_acosf
__libm_sse2_asinf
__libm_sse2_cosf
__libm_sse2_expf
__libm_sse2_log10f
__libm_sse2_logf
__libm_sse2_pow
__libm_sse2_powf
_ftol2

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

GetModuleFileNameA
GetModuleHandleW
GetProcAddress
GetModuleHandleExW

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

DeleteCriticalSection
WaitForSingleObjectEx
CreateSemaphoreExW
OpenSemaphoreW
ReleaseSemaphore
LeaveCriticalSection
EnterCriticalSection
ReleaseMutex
CreateMutexExW
InitializeCriticalSectionEx
WaitForSingleObject

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

HeapAlloc
HeapFree
GetProcessHeap

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

UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError
GetLastError

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

GetCurrentThreadId
GetCurrentProcess
TerminateProcess
GetCurrentProcessId

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

FormatMessageW

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

DebugBreak
IsDebuggerPresent
OutputDebugStringW

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

CloseHandle

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

EventWriteTransfer
EventSetInformation
EventRegister
EventUnregister

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

InitOnceComplete
InitOnceExecuteOnce
InitOnceBeginInitialize
Sleep

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

RegOpenKeyExW
RegCloseKey

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

CoCreateInstance
CoTaskMemAlloc
CoTaskMemFree
CoCreateGuid
CoCreateFreeThreadedMarshaler

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

QueryPerformanceCounter
QueryPerformanceFrequency

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

MapViewOfFile
UnmapViewOfFile

rpcrt4

NdrClientCall4
RpcStringFreeW
RpcBindingFree
RpcExceptionFilter
RpcStringBindingComposeW
RpcBindingFromStringBindingW

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

GetSystemTimeAsFileTime
GetTickCount

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

SubscribeFeatureStateChangeNotification
UnsubscribeFeatureStateChangeNotification
RecordFeatureUsage

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

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

ApiSetQueryApiSetPresence

Exports

Exports

CreateHrtfApo
CreateHrtfApoWithDatasetType
CreateHrtfEngineFactory
GetHrtfEngineMinFrameCount
IsHrtfApoAvailable

Sections

.text
Size: 311KB - Virtual size: 310KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 9KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 1000B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c03779581f56a360cf542322ab085471

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

Exports

Exports

Sections

.text Size: 311KB - Virtual size: 310KB

.data Size: 9KB - Virtual size: 10KB

.idata Size: 4KB - Virtual size: 4KB

.didat Size: 512B - Virtual size: 8B

.rsrc Size: 1024B - Virtual size: 1000B

.reloc Size: 9KB - Virtual size: 8KB

.text
Size: 311KB - Virtual size: 310KB

.data
Size: 9KB - Virtual size: 10KB

.idata
Size: 4KB - Virtual size: 4KB

.didat
Size: 512B - Virtual size: 8B

.rsrc
Size: 1024B - Virtual size: 1000B

.reloc
Size: 9KB - Virtual size: 8KB