CoreMessaging[.]dll

Sharing

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General

Target

CoreMessaging.dll
Size

777KB
MD5

a8d1ac93678a40577cd19e7561d7a714
SHA1

3461f4349ef97f0fde633219894da0f67f4a69bc
SHA256

7bf17030a0ffaba28d8322d466718de8cf499cd1b72b7d7b50543e6d93914998
SHA512

ed56cb05f740dc8a1462e861da1d0cdada247b743ffd7e8c77ba34db6bcc06ac7eb6958fc4d1eae4c1fa75d5f81206f7f0b55a3edf2f1608b6cc1f26569f5fd3
SSDEEP

24576:Pz9josK+bhQDbXtntstQF3ROQfxcg6GA6:PVosrbhQDbXluSpp6F6

Score

1^/10

Malware Config

Signatures

Files

CoreMessaging.dll
.dll windows:10 windows x86 arch:x86

345e67613280ba4f965702cb83e693fe

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/12/2020, 21:29

Not After

02/12/2021, 21:29

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

c8:a7:cf:3d:7e:10:13:a1:ff:56:f5:1d:45:4c:02:0b:ad:8b:00:25:e6:6c:21:0c:62:c0:e1:ac:10:13:de:05
Signer

Actual PE Digest

c8:a7:cf:3d:7e:10:13:a1:ff:56:f5:1d:45:4c:02:0b:ad:8b:00:25:e6:6c:21:0c:62:c0:e1:ac:10:13:de:05

Digest Algorithm

sha256

PE Digest Matches

true

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

CoreMessaging.pdb

Imports

api-ms-win-crt-runtime-l1-1-0

_initterm_e
_initterm

api-ms-win-crt-private-l1-1-0

_o__configure_narrow_argv
_o__crt_atexit
_o__dclass
_o__errno
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__purecall
_o__register_onexit_function
_o__seh_filter_dll
memmove
_o__wcsicmp
_o_calloc
_o_ceil
_o_free
_o_malloc
_o_realloc
_o_terminate
__current_exception
__current_exception_context
_except_handler4_common
_o__cexit
_o__callnewh
_o__aligned_offset_malloc
_o__aligned_free
_CxxThrowException
_o___stdio_common_vswprintf
_o___stdio_common_vsnprintf_s
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
__std_terminate
__CxxFrameHandler3
memcmp
memcpy

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

memset

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

GetModuleHandleW
GetProcAddress
GetModuleFileNameA
LoadLibraryExA
DisableThreadLibraryCalls
GetModuleHandleExW
FreeLibrary
LoadLibraryExW

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

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

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

HeapFree
HeapAlloc
HeapSize
GetProcessHeap

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

SetUnhandledExceptionFilter
RaiseException
GetLastError
UnhandledExceptionFilter
SetLastError

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

GetCurrentProcess
TerminateProcess
OpenProcessToken
OpenThread
GetThreadPriority
GetCurrentThreadId
CreateThread
GetCurrentProcessId
GetCurrentThread
SetThreadPriority
OpenThreadToken
TlsSetValue
TlsGetValue
TlsFree
TlsAlloc

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

FormatMessageW

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

DebugBreak
IsDebuggerPresent
OutputDebugStringW

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

GetHandleInformation
DuplicateHandle
CloseHandle

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

IsProcessorFeaturePresent
OpenProcess

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime
GetTickCount
GetTickCount64
GetSystemInfo

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

InterlockedPushEntrySList
QueryDepthSList
InterlockedPopEntrySList
InitializeSListHead
InterlockedFlushSList

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

ApiSetQueryApiSetPresence

msvcp_win

_Mtx_init_in_situ
_Mtx_destroy_in_situ
?_Xlength_error@std@@YAXPBD@Z

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

RtlCaptureStackBackTrace

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

EventUnregister
EventRegister
EventWriteTransfer

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

SetThreadpoolWait
CreateThreadpoolWait
WaitForThreadpoolTimerCallbacks
CreateThreadpoolTimer
CloseThreadpoolWait
CloseThreadpoolTimer
CallbackMayRunLong
SetThreadpoolTimer

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

WaitForMultipleObjects

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

VirtualFree
VirtualProtect
VirtualQuery
VirtualAlloc

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

LocalFree

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

InitOnceExecuteOnce
WakeByAddressAll
WaitOnAddress

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

WriteFile
ReadFile

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

GetOverlappedResult

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

GetTokenInformation
RevertToSelf

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

RaiseFailFastException

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

DecodePointer
EncodePointer

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

MultiByteToWideChar

ntdll

NtQuerySystemInformation
RtlFreeUnicodeString
NtAlpcConnectPortEx
NtAlpcQueryInformation
NtAlpcAcceptConnectPort
NtAlpcCreatePort
RtlInitUnicodeString
NtAlpcDisconnectPort
AlpcInitializeMessageAttribute
NtAlpcImpersonateClientOfPort
RtlClearThreadWorkOnBehalfTicket
RtlSetThreadWorkOnBehalfTicket
AlpcGetMessageAttribute
NtAlpcSendWaitReceivePort
NtClose
NtAllocateReserveObject
NtRemoveIoCompletionEx
NtSetIoCompletionEx
NtAssociateWaitCompletionPacket
NtCreateIoCompletion
NtCancelWaitCompletionPacket
NtCreateWaitCompletionPacket
RtlGetAppContainerNamedObjectPath

Exports

Exports

CoreUICallComputeMaximumMessageSize
CoreUICallCreateConversationHost
CoreUICallCreateEndpointHost
CoreUICallCreateEndpointHostWithSendPriority
CoreUICallGetAddressOfParameterInBuffer
CoreUICallReceive
CoreUICallSend
CoreUICallSendVaList
CoreUIConfigureTestHost
CoreUIConfigureUserIntegration
CoreUICreate
CoreUICreateAnonymousStream
CoreUICreateEx
CoreUIInitializeTestService
CoreUIOpenExisting
CoreUIRouteToTestRegistrar
CoreUIUninitializeTestService
CreateDispatcherQueueController
CreateDispatcherQueueForCurrentThread
DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject
GetDispatcherQueueForCurrentThread
MsgBlobCreateShared
MsgBlobCreateStack
MsgBufferShare
MsgRelease
MsgStringCreateShared
MsgStringCreateStack
ServiceMain
SvchostPushServiceGlobals

Sections

.text
Size: 679KB - Virtual size: 679KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 364B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 35KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

345e67613280ba4f965702cb83e693fe

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:edCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

c8:a7:cf:3d:7e:10:13:a1:ff:56:f5:1d:45:4c:02:0b:ad:8b:00:25:e6:6c:21:0c:62:c0:e1:ac:10:13:de:05Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-private-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

msvcp_win

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

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

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

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

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

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

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

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

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

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

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

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

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

ntdll

Exports

Exports

Sections

.text Size: 679KB - Virtual size: 679KB

.data Size: 2KB - Virtual size: 4KB

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

.didat Size: 512B - Virtual size: 364B

.rsrc Size: 37KB - Virtual size: 36KB

.reloc Size: 35KB - Virtual size: 35KB

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

c8:a7:cf:3d:7e:10:13:a1:ff:56:f5:1d:45:4c:02:0b:ad:8b:00:25:e6:6c:21:0c:62:c0:e1:ac:10:13:de:05
Signer

.text
Size: 679KB - Virtual size: 679KB

.data
Size: 2KB - Virtual size: 4KB

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

.didat
Size: 512B - Virtual size: 364B

.rsrc
Size: 37KB - Virtual size: 36KB

.reloc
Size: 35KB - Virtual size: 35KB