CastingShellExt[.]dll

Sharing

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General

Target

CastingShellExt.dll
Size

131KB
MD5

3a537f6c6eb7c2ea198a563f9564cba1
SHA1

b71490dcb1f9a2bc7ad99f4fa52ce9896e7209c0
SHA256

b94ae22f7fc45e7c4d9f17e55eed06521006cf9d859a80ff39d04b21d3b8787b
SHA512

28bdc6dd684030a5feffd37d9c3c5ca72351593cb3fb13237834f111960a48407a54c9c128d22fb7f85bd5e64d394fb9b25fdbab61dce835dd448078ac3c9fc8
SSDEEP

3072:/kSbdpWLA/NKcVbzgPm46Xdmagw5D7y/DmlfkYpaOw4:/vpWLAFT/TNmagwtgDlYr

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

d7fe1fad95cd1c98d6a56e1d5607db4d

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

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

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

TraceMessage
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle

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

DisableThreadLibraryCalls
FindStringOrdinal
FreeLibrary
GetModuleHandleExW
FreeLibraryAndExitThread
LoadLibraryExW
GetModuleFileNameA
GetProcAddress

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

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

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
GetSystemTimeAsFileTime
GetTickCount

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

PathCchAppend

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

CoGetApartmentType
CoCreateInstance
CoTaskMemAlloc
CoInitializeEx
CoGetInterfaceAndReleaseStream
CoReleaseMarshalData
CoMarshalInterThreadInterfaceInStream
RoGetAgileReference
CoWaitForMultipleHandles
CoUninitialize
CoCreateFreeThreadedMarshaler

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

GetCurrentProcessId
TlsAlloc
GetCurrentThreadId
TlsFree
TlsSetValue
CreateThread
GetCurrentProcess
TerminateProcess
TlsGetValue

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

WindowsSubstringWithSpecifiedLength
WindowsDeleteString
WindowsGetStringRawBuffer
WindowsDuplicateString
WindowsCreateStringReference
WindowsCreateString

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

SetLastError
GetLastError
RaiseException
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

SHGetThreadRef
SHSetThreadRef
SHCreateThreadRef

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

FreeLibraryWhenCallbackReturns
CallbackMayRunLong
CloseThreadpoolTimer
WaitForThreadpoolTimerCallbacks
TrySubmitThreadpoolCallback
SetThreadpoolTimer
CreateThreadpoolTimer

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

ord256
SHCreateDefaultContextMenu
SHCreateDefaultExtractIcon

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

GetProcessHeap
HeapFree
HeapAlloc

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

DelayLoadFailureHook
ResolveDelayLoadedAPI

Exports

Exports

CreateViewObjectForContentDirectoryFolder
CreateViewObjectForMediaServerFolder
DllCanUnloadNow
DllGetClassObject
DllMain
GetContextMenuForContentDirectoryFolder
GetContextMenuForMediaServerFolder
GetExtractIconForContentDirectoryFolder
GetExtractIconForMediaServerFolder
GetPlatformSpecificLockScreenAppLauncher
IsLockScreenActive

Sections

.text
Size: 49KB - Virtual size: 48KB

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

d7fe1fad95cd1c98d6a56e1d5607db4d

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: 49KB - Virtual size: 48KB

.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: 49KB - Virtual size: 48KB

.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