CastingShellExt[.]dll

Sharing

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General

Target

CastingShellExt.dll
Size

130KB
MD5

3c85cc056b2e83026224cbc6cf6f8aca
SHA1

b067802576e0fbc37cebfa83b0ded3852b86d2f8
SHA256

1499f3bcb13adb408be51f60802c4394bd4c78762224b84bc2e51eb7ad885026
SHA512

3756130ff98901157523048c3579cafc4b93374c2b41f2d83a9d392825b9c42934da2ae44f08c10bb59ff29962f53b03be09048d137954afbd0eee8d68ab271a
SSDEEP

3072:RfkGeb68pcVbzgPm46Xdmagw5D7y/DmlfkYJBz:WGKQ/TNmagwtgDlY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
CastingShellExt.dll

Files

CastingShellExt.dll
.dll windows:10 windows x86 arch:x86

87b5c44336286a4df70c988846be9b32

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

CastingShellExt.pdb

Imports

msvcrt

_purecall
_except_handler4_common
__CxxFrameHandler3
_callnewh
wcscspn
_onexit
__dllonexit
_unlock
_lock
_initterm
malloc
_amsg_exit
_XcptFilter
free
_vsnwprintf
memcpy_s
memset

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

GetTraceLoggerHandle
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableFlags
GetTraceEnableLevel
TraceMessage

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

GetModuleFileNameA
DisableThreadLibraryCalls
FreeLibrary
GetProcAddress
GetModuleHandleExW
LoadLibraryExW
FindStringOrdinal
FreeLibraryAndExitThread

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

RoOriginateError

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

EncodePointer
DecodePointer

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

CreateEventExW
AcquireSRWLockShared
CreateMutexExW
WaitForSingleObject
SetEvent
Sleep
ReleaseMutex
CreateSemaphoreExW
ReleaseSemaphore
ReleaseSRWLockShared
AcquireSRWLockExclusive
OpenSemaphoreW
WaitForSingleObjectEx
InitializeSRWLock
ReleaseSRWLockExclusive

api-ms-win-core-shlwapi-legacy-l1-1-0

PathParseIconLocationW

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

CompareStringOrdinal

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

GetSystemDirectoryW
GetTickCount
GetSystemTimeAsFileTime

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

PathCchAppend

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

CoUninitialize
CoGetApartmentType
CoWaitForMultipleHandles
CoCreateFreeThreadedMarshaler
CoGetInterfaceAndReleaseStream
CoReleaseMarshalData
CoMarshalInterThreadInterfaceInStream
CoTaskMemAlloc
RoGetAgileReference
CoInitializeEx
CoCreateInstance

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

GetCurrentProcessId
TlsAlloc
GetCurrentThreadId
TlsGetValue
TlsSetValue
CreateThread
TlsFree
TerminateProcess
GetCurrentProcess

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

WindowsDuplicateString
WindowsGetStringRawBuffer
WindowsCreateStringReference
WindowsSubstringWithSpecifiedLength
WindowsCreateString
WindowsDeleteString

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

SetLastError
GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
RaiseException

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

SHGetThreadRef
SHSetThreadRef
SHCreateThreadRef

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

SetThreadpoolTimer
CreateThreadpoolTimer
FreeLibraryWhenCallbackReturns
CallbackMayRunLong
CloseThreadpoolTimer
WaitForThreadpoolTimerCallbacks
TrySubmitThreadpoolCallback

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

CloseHandle

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

CreateSemaphoreW

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

IUnknown_QueryService

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

RegGetValueW

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

RoActivateInstance
RoGetActivationFactory

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

QueryPerformanceCounter

shell32

SHCreateDefaultContextMenu
SHCreateDefaultExtractIcon
ord256

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

OutputDebugStringW

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

FormatMessageW

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

HeapAlloc
HeapFree
GetProcessHeap

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

Exports

Exports

CreateViewObjectForContentDirectoryFolder
CreateViewObjectForMediaServerFolder
DllCanUnloadNow
DllGetClassObject
DllMain
GetContextMenuForContentDirectoryFolder
GetContextMenuForMediaServerFolder
GetExtractIconForContentDirectoryFolder
GetExtractIconForMediaServerFolder
GetPlatformSpecificLockScreenAppLauncher
IsLockScreenActive

Sections

.text
Size: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 44B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 71KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

87b5c44336286a4df70c988846be9b32

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

api-ms-win-core-shlwapi-legacy-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

shell32

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

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

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

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

Exports

Exports

Sections

.text Size: 48KB - Virtual size: 47KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 5KB - Virtual size: 4KB

.didat Size: 512B - Virtual size: 44B

.rsrc Size: 71KB - Virtual size: 70KB

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

.text
Size: 48KB - Virtual size: 47KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 5KB - Virtual size: 4KB

.didat
Size: 512B - Virtual size: 44B

.rsrc
Size: 71KB - Virtual size: 70KB

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