HrtfApo[.]dll | Triage

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General

Target

HrtfApo.dll
Size

332KB
MD5

44eab843584fb8e5da365376d1a235cb
SHA1

96a079e1b46c6625d815d88302919ddf5b83e54b
SHA256

6d9540e5187c842c4d8087fa79256654905535f41c417281a6e26eea8cb60288
SHA512

9719ad36a72c04789edbd492e981b24dba4d9a602d432cb3dd88062eb9c3533517e9670b273ffcf59c6e426b0e8afed5e0dd61b93018c0d5f55a7b6fec2e5009
SSDEEP

6144:L/nFHPvA8pPqzEvzrC/X5BZlBZFVrM4DJC:bnFHNpP0EvzrC/3ZrZX9

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

4ed835b39e2d68b671e7d18e84742aa0

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

_amsg_exit
_XcptFilter
memmove
memcpy
_initterm
?terminate@@YAXXZ
_CxxThrowException
_lock
?what@exception@@UBEPBDXZ
??0exception@@QAE@ABQBDH@Z
_unlock
_callnewh
malloc
_aligned_free
free
__dllonexit
_vsnprintf_s
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@XZ
??1exception@@UAE@XZ
_purecall
_onexit
memcmp
memset
_aligned_malloc
_CIsqrt
_CIcos
_CIsin
??3@YAXPAX@Z
memcpy_s
??1type_info@@UAE@XZ
_except_handler4_common
__libm_sse2_sinf
__CxxFrameHandler3
_vsnwprintf
??0exception@@QAE@ABQBD@Z
__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
GetModuleHandleExW
GetModuleHandleW
GetProcAddress

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

CreateMutexExW
EnterCriticalSection
LeaveCriticalSection
CreateSemaphoreExW
OpenSemaphoreW
WaitForSingleObjectEx
ReleaseSemaphore
WaitForSingleObject
ReleaseMutex
InitializeCriticalSectionEx
DeleteCriticalSection

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

HeapFree
GetProcessHeap
HeapAlloc

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

SetUnhandledExceptionFilter
GetLastError
SetLastError
UnhandledExceptionFilter

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

GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
TerminateProcess

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

FormatMessageW

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

IsDebuggerPresent
OutputDebugStringW
DebugBreak

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

CloseHandle

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

EventWriteTransfer
EventSetInformation
EventUnregister
EventRegister

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

InitOnceExecuteOnce
InitOnceComplete
Sleep
InitOnceBeginInitialize

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

RegOpenKeyExW
RegCloseKey

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

CoCreateInstance
CoTaskMemAlloc
CoCreateGuid
CoCreateFreeThreadedMarshaler
CoTaskMemFree

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

QueryPerformanceFrequency
QueryPerformanceCounter

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

UnmapViewOfFile
MapViewOfFile

rpcrt4

NdrClientCall4
RpcBindingFree
RpcStringBindingComposeW
RpcBindingFromStringBindingW
RpcStringFreeW
RpcExceptionFilter

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

GetSystemTimeAsFileTime
GetTickCount

Exports

Exports

CreateHrtfApo
CreateHrtfApoWithOptions
CreateHrtfEngineFactory
IsHrtfApoAvailable

Sections

.text
Size: 307KB - Virtual size: 307KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.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

4ed835b39e2d68b671e7d18e84742aa0

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

Exports

Exports

Sections

.text Size: 307KB - Virtual size: 307KB

.data Size: 10KB - Virtual size: 11KB

.idata Size: 4KB - Virtual size: 3KB

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

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

.text
Size: 307KB - Virtual size: 307KB

.data
Size: 10KB - Virtual size: 11KB

.idata
Size: 4KB - Virtual size: 3KB

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

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