BcastDVRHelper[.]dll

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General

Target

BcastDVRHelper.dll
Size

153KB
MD5

5cd66d3d7bce299a1ee61e099614f940
SHA1

607cf5729a26015d74cf373a1f725fe3a87042af
SHA256

03e678dcb5a00ad81a7402eda9665f61cae0af901dee71d1ac0241d030e1a538
SHA512

28df249310500974e54c760a6765391818af80d0f33fbe3e538dd53eed7d096da6cd0b5fca0e34c2cbbbc592c49bffe015142eb56295508c20b65e0e8746bafe
SSDEEP

3072:NpQBCxRDhyaCZR3xBeNN1HzTqtCvsj/4Yu9:UBe1yaCq1TTqtXL4

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BcastDVRHelper.dll

Files

BcastDVRHelper.dll
.dll windows:10 windows x86 arch:x86

ff58e4132e6e0bab226a0327c2cb5761

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

BcastDVRHelper.pdb

Imports

msvcrt

_onexit
__dllonexit
_unlock
??1type_info@@UAE@XZ
_except_handler4_common
_initterm
_amsg_exit
_XcptFilter
memcpy
__CxxFrameHandler3
_CxxThrowException
?what@exception@@UBEPBDXZ
??_V@YAXPAX@Z
?name@type_info@@QBEPBDXZ
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABQBD@Z
_callnewh
malloc
free
_vsnprintf_s
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@XZ
??1exception@@UAE@XZ
?terminate@@YAXXZ
_purecall
??3@YAXPAX@Z
memcmp
memcpy_s
memmove
_vsnwprintf
_lock
memset

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

GetProcAddress
GetModuleHandleExW
GetModuleFileNameA
LoadLibraryExW

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

CreateSemaphoreExW
CreateMutexExW
InitializeSRWLock
ReleaseSemaphore
Sleep
InitializeCriticalSectionEx
InitOnceBeginInitialize
WaitForSingleObject
AcquireSRWLockShared
InitOnceComplete
SetEvent
DeleteCriticalSection
EnterCriticalSection
CreateEventW
ReleaseSRWLockShared
LeaveCriticalSection
WaitForSingleObjectEx
OpenSemaphoreW
ReleaseMutex
AcquireSRWLockExclusive
ReleaseSRWLockExclusive

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

GetProcessHeap
HeapAlloc
HeapFree

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

GetLastError
RaiseException
UnhandledExceptionFilter
SetLastError
SetUnhandledExceptionFilter

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

WindowsStringHasEmbeddedNull
WindowsCreateString
WindowsCreateStringReference
WindowsGetStringRawBuffer
WindowsIsStringEmpty

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

GetCurrentThreadId
CreateThread
GetCurrentProcessId
GetCurrentProcess
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

DuplicateHandle
CloseHandle

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

RoTransformError
IsErrorPropagationEnabled
RoGetMatchingRestrictedErrorInfo
RoReportFailedDelegate
RoOriginateError
RoOriginateErrorW

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

EncodePointer
DecodePointer

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

CoTaskMemAlloc
CoCreateFreeThreadedMarshaler
RoGetAgileReference

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

QueryPerformanceCounter

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

GetSystemTime
GetLocalTime
GetTickCount
GetSystemTimeAsFileTime

systemeventsbrokerclient

SebDeleteEvent
SebCreateBroadcastNotificationEvent

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

EventRegister
EventWriteTransfer
EventSetInformation
EventUnregister

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

RoGetActivationFactory

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

SystemTimeToFileTime

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

MapViewOfFile
UnmapViewOfFile

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

WaitForMultipleObjects

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 130KB - Virtual size: 130KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 7KB

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

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ff58e4132e6e0bab226a0327c2cb5761

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-winrt-string-l1-1-0

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-core-winrt-error-l1-1-1

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

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

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

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

systemeventsbrokerclient

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

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

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

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

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

Exports

Exports

Sections

.text Size: 130KB - Virtual size: 130KB

.data Size: 6KB - Virtual size: 7KB

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

.rsrc Size: 1KB - Virtual size: 1KB

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

.text
Size: 130KB - Virtual size: 130KB

.data
Size: 6KB - Virtual size: 7KB

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

.rsrc
Size: 1KB - Virtual size: 1KB

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