HrtfApo[.]dll | Triage

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General

Target

HrtfApo.dll
Size

297KB
MD5

6127e21226cb126302261faf64091720
SHA1

5e67888646fec27bcfbe7f176129fbfa9044baf9
SHA256

02981a4e6ead4ee7033f25042fc447883c0ded3c19f6ee0b1fd929b9b744f92f
SHA512

3295dd2283454ba15529f339fcb6ca35bc03b591bbca1f7baf0e83c5d29c401ecf3bd39bce77572bd0ae9c38e82184ad89710b9ca62c6f502b2c0fe775141ac2
SSDEEP

6144:TCJm6xh4sAz6UrRon0t5BZXfBZVkTjHl0X2:TCJmSh4sAz6UrRon0lZX5Z4jC2

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

10823458339526ef391a713778f8fd38

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

??8type_info@@QBEHABV0@@Z
memcpy
_XcptFilter
_amsg_exit
__CxxFrameHandler3
_CxxThrowException
_initterm
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABQBD@Z
_callnewh
malloc
free
?terminate@@YAXXZ
_vsnprintf_s
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@XZ
_lock
??1exception@@UAE@XZ
_unlock
__dllonexit
_purecall
??3@YAXPAX@Z
memcmp
memset
_aligned_free
_finite
_aligned_malloc
_CIsqrt
_CIcos
_CIsin
memcpy_s
memmove
_vsnwprintf
??_V@YAXPAX@Z
_onexit
??1type_info@@UAE@XZ
_except_handler4_common
?what@exception@@UBEPBDXZ
__libm_sse2_acosf
__libm_sse2_asinf
__libm_sse2_cosf
__libm_sse2_expf
__libm_sse2_log10f
__libm_sse2_powf
__libm_sse2_sinf
_ftol2

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

LoadLibraryExW
GetModuleFileNameA
GetModuleHandleExW
GetProcAddress

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

WaitForSingleObject
ReleaseMutex
CreateSemaphoreExW
InitializeCriticalSection
DeleteCriticalSection
WaitForSingleObjectEx
OpenSemaphoreW
InitOnceExecuteOnce
Sleep
CreateMutexExW
LeaveCriticalSection
ReleaseSemaphore
EnterCriticalSection
InitOnceBeginInitialize
InitOnceComplete

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

HeapFree
GetProcessHeap
HeapAlloc

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

SetLastError
RaiseException
GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

GetCurrentProcessId
GetCurrentProcess
GetCurrentThreadId
TerminateProcess

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

FormatMessageW

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

OutputDebugStringW

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

CloseHandle

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

EventWriteTransfer
EventRegister
EventSetInformation
EventUnregister

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

RegCloseKey
RegQueryValueExW
RegOpenKeyExW

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

ExpandEnvironmentStringsW

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

CoCreateGuid
CoTaskMemFree
CoTaskMemAlloc

api-ms-win-core-wow64-l1-1-0

Wow64DisableWow64FsRedirection
Wow64RevertWow64FsRedirection

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

WriteFile
GetFileSizeEx
CreateFileW
ReadFile

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

WindowsCreateStringReference

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

RoActivateInstance

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime
GetTickCount

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

WaitForThreadpoolWorkCallbacks
SubmitThreadpoolWork
CreateThreadpoolWork
CloseThreadpoolWork

Exports

Exports

CreateHrtfApo

Sections

.text
Size: 280KB - Virtual size: 279KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 12KB

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

.reloc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

10823458339526ef391a713778f8fd38

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

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

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

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

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

api-ms-win-core-wow64-l1-1-0

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 280KB - Virtual size: 279KB

.data Size: 6KB - Virtual size: 12KB

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

.reloc Size: 5KB - Virtual size: 5KB

.text
Size: 280KB - Virtual size: 279KB

.data
Size: 6KB - Virtual size: 12KB

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

.reloc
Size: 5KB - Virtual size: 5KB