RTMediaFrame[.]dll

Sharing

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General

Target

RTMediaFrame.dll
Size

348KB
MD5

8963bffd73a9f3ef2fca316cb079bd81
SHA1

036f0374eaa97864f3b1be51b8e32102bc1155ce
SHA256

dd5cb0c79232e55d62b293769af1da502733ec4f53254cf4fa078cad2683d643
SHA512

2e1d07416e5ff17493db035d056475bd77da3afd9a34dcf4cbf9d726d54b5ebea5922a68972a976c73866d3a162d7ce9081d209b90bf971e725795edf9a16678
SSDEEP

6144:ngVO4hXZUV2XCONSRaqtrXZmGcqmZiOspOR5djj0GBvFLRd59kCmbJyk:gVO4hXaV2YRaqtrNcXWGBh7y0k

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
RTMediaFrame.dll

Files

RTMediaFrame.dll
.dll windows:10 windows x86 arch:x86

5a2394de1cd1858078c05dcd4865cac1

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

RtMediaFrame.pdb

Imports

msvcrt

??0exception@@QAE@ABV0@@Z
??0exception@@QAE@XZ
__ExceptionPtrRethrow
??_V@YAXPAX@Z
_isnan
_vsnwprintf
_wcsicmp
memmove_s
realloc
memcpy_s
_callnewh
??0exception@@QAE@ABQBD@Z
_CxxThrowException
memcpy
memmove
??1type_info@@UAE@XZ
??1exception@@UAE@XZ
?what@exception@@UBEPBDXZ
__ExceptionPtrCurrentException
__ExceptionPtrCreate
__ExceptionPtrCopy
??0exception@@QAE@ABQBDH@Z
__CxxFrameHandler3
memcmp
_except_handler4_common
_onexit
__dllonexit
_unlock
_lock
?terminate@@YAXXZ
_initterm
malloc
free
_amsg_exit
_XcptFilter
_purecall
??3@YAXPAX@Z
__ExceptionPtrDestroy
qsort
strncpy_s
strnlen
_ftol2
memset

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

RoTransformError
RoOriginateError
RoOriginateErrorW
GetRestrictedErrorInfo
SetRestrictedErrorInfo

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

EventRegister
EventWriteTransfer
EventUnregister
EventSetInformation

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

GetTraceEnableLevel
GetTraceLoggerHandle
RegisterTraceGuidsW
UnregisterTraceGuids
TraceMessage
GetTraceEnableFlags

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

GetModuleHandleW
GetModuleHandleExW
GetProcAddress
DisableThreadLibraryCalls
FreeLibrary
GetModuleFileNameA

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

EncodePointer
DecodePointer

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

InitializeSRWLock
CreateEventExW
ResetEvent
SetEvent
WaitForSingleObjectEx
InitializeCriticalSectionEx
DeleteCriticalSection
CreateSemaphoreExW
ReleaseSemaphore
ReleaseMutex
CreateMutexExW
InitializeCriticalSection
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockShared
EnterCriticalSection
CreateEventW
WaitForSingleObject
OpenSemaphoreW
LeaveCriticalSection

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

Sleep
InitOnceExecuteOnce

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

WindowsCreateString
WindowsCompareStringOrdinal
WindowsCreateStringReference
WindowsDeleteString
HSTRING_UserUnmarshal
HSTRING_UserFree
HSTRING_UserMarshal
HSTRING_UserSize
WindowsGetStringRawBuffer
WindowsDuplicateString
WindowsStringHasEmbeddedNull
WindowsIsStringEmpty

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

CreateStreamOnHGlobal
CoMarshalInterface
CoCreateInstance
CoGetInterfaceAndReleaseStream
PropVariantClear
CoGetApartmentType
CoTaskMemFree
IIDFromString
StringFromGUID2
CoTaskMemAlloc
CoCreateFreeThreadedMarshaler
CoReleaseMarshalData

rpcrt4

NdrDllGetClassObject
CStdStubBuffer_CountRefs
CStdStubBuffer_DebugServerQueryInterface
NdrCStdStubBuffer_Release
NdrDllCanUnloadNow
CStdStubBuffer_Invoke
NdrStubForwardingFunction
NdrOleFree
CStdStubBuffer_QueryInterface
NdrOleAllocate
CStdStubBuffer_Connect
IUnknown_AddRef_Proxy
CStdStubBuffer_IsIIDSupported
IUnknown_QueryInterface_Proxy
CStdStubBuffer_AddRef
CStdStubBuffer_Disconnect
NdrStubCall2
IUnknown_Release_Proxy
CStdStubBuffer_DebugServerRelease
NdrCStdStubBuffer2_Release

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

ObjectStublessClient17
ObjectStublessClient8
ObjectStublessClient6
ObjectStublessClient10
ObjectStublessClient16
NdrProxyForwardingFunction5
NdrProxyForwardingFunction3
ObjectStublessClient12
ObjectStublessClient14
ObjectStublessClient11
CStdStubBuffer2_CountRefs
CStdStubBuffer2_Connect
NdrProxyForwardingFunction4
ObjectStublessClient3
ObjectStublessClient18
ObjectStublessClient15
CStdStubBuffer2_Disconnect
ObjectStublessClient7
ObjectStublessClient13
ObjectStublessClient9
CStdStubBuffer2_QueryInterface
ObjectStublessClient19

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

QueryPerformanceCounter

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

TlsGetValue
TerminateProcess
GetCurrentProcessId
OpenProcessToken
TlsSetValue
GetCurrentProcess
GetCurrentThreadId

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

GetTickCount
GetTickCount64
GetSystemTimeAsFileTime

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

GetLastError
UnhandledExceptionFilter
SetLastError
RaiseException
SetUnhandledExceptionFilter

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

LocalFree

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

IsErrorPropagationEnabled
RoReportFailedDelegate
RoGetMatchingRestrictedErrorInfo

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

RoGetActivationFactory
RoActivateInstance

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

OpenProcess

api-ms-win-security-base-l1-1-0

GetTokenInformation

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

CloseHandle

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

RoGetAgileReference

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

CloseThreadpoolWork
SubmitThreadpoolWork
CreateThreadpoolWork

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

IsDebuggerPresent
DebugBreak
OutputDebugStringW

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

FormatMessageW

api-ms-win-shcore-taskpool-l1-1-0

SHTaskPoolQueueTask
SHTaskPoolAllowThreadReuse

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

GetProcessHeap
HeapAlloc
HeapFree

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 309KB - Virtual size: 309KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 64B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5a2394de1cd1858078c05dcd4865cac1

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

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

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

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

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

api-ms-win-security-base-l1-1-0

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

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

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

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

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

api-ms-win-shcore-taskpool-l1-1-0

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

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

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

Exports

Exports

Sections

.text Size: 309KB - Virtual size: 309KB

.data Size: 2KB - Virtual size: 6KB

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

.didat Size: 512B - Virtual size: 64B

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

.reloc Size: 25KB - Virtual size: 24KB

.text
Size: 309KB - Virtual size: 309KB

.data
Size: 2KB - Virtual size: 6KB

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

.didat
Size: 512B - Virtual size: 64B

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

.reloc
Size: 25KB - Virtual size: 24KB