CloudExperienceHostUser[.]dll

Sharing

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General

Target

CloudExperienceHostUser.dll
Size

198KB
MD5

2e9fc997dea8b0fc30761e7d2e2c54be
SHA1

31133736869214fe9371c1e105598bdf7c9bfe94
SHA256

27e38928588e5153becf77dabe6a5e5df8377ab814ef9127f68155ed176e1181
SHA512

3a90275e869681223ce683c25b9f5bee30abe67f6d9d9cd723f0619420e8b44b716012133439310c6a9de2922ffbc7869c9ee1086f1b06bc2687aaa3200e6102
SSDEEP

6144:spZE7XAT6WhTezB9jQpIp7JzrrCou4SbLz:srEj5jyLz

Score

1^/10

Malware Config

Signatures

Files

CloudExperienceHostUser.dll
.dll windows:10 windows x86 arch:x86

0abe32fb1c07e951f270ab4eb65a823a

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

Issuer

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

Not Before

04/03/2020, 18:30

Not After

03/03/2021, 18:30

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

58:18:79:24:de:c4:02:5c:fd:23:84:70:17:8f:b3:d9:c4:01:99:49:9f:72:88:41:fa:c4:fb:48:a2:e6:3f:4a
Signer

Actual PE Digest

58:18:79:24:de:c4:02:5c:fd:23:84:70:17:8f:b3:d9:c4:01:99:49:9f:72:88:41:fa:c4:fb:48:a2:e6:3f:4a

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

CloudExperienceHostUser.pdb

Imports

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

_initterm_e
_initterm

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

_o__errno
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__purecall
_o__register_onexit_function
_o__seh_filter_dll
memmove
_o__wtol
_o_free
_o_malloc
_o_terminate
_o_toupper
_except_handler4_common
_o__crt_atexit
_CxxThrowException
_o__configure_narrow_argv
_o__cexit
_o__callnewh
_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

twinapi.appcore

ord2
ord3

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

DisableThreadLibraryCalls
GetProcAddress
GetModuleFileNameA
GetModuleHandleW
GetModuleHandleExW

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

InitOnceExecuteOnce
InitOnceComplete
Sleep
InitOnceBeginInitialize

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

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

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

HeapAlloc
HeapFree
GetProcessHeap

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

SetLastError
UnhandledExceptionFilter
RaiseException
SetUnhandledExceptionFilter
GetLastError

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

WindowsCreateString
WindowsDuplicateString
HSTRING_UserUnmarshal
HSTRING_UserFree
HSTRING_UserMarshal
HSTRING_UserSize
WindowsCreateStringReference
WindowsDeleteString
WindowsGetStringRawBuffer
WindowsIsStringEmpty
WindowsStringHasEmbeddedNull

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

EventProviderEnabled
EventActivityIdControl
EventUnregister
EventRegister
EventSetInformation
EventWriteTransfer

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

DecodePointer
EncodePointer

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

GetCurrentThreadId
OpenProcessToken
GetCurrentProcess
TerminateProcess
GetProcessId
OpenThreadToken
GetCurrentProcessId
GetCurrentThread

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

RoOriginateErrorW
SetRestrictedErrorInfo
GetRestrictedErrorInfo
RoOriginateError
RoTransformError

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

FormatMessageW

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

OutputDebugStringW
DebugBreak
IsDebuggerPresent

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

DuplicateHandle
CloseHandle

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

OpenProcess
IsProcessorFeaturePresent

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime
GetTickCount64

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

InitializeSListHead

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

PropVariantClear
CoGetCallContext
CoCreateFreeThreadedMarshaler
CoWaitForMultipleHandles
CoRevertToSelf
CoImpersonateClient
CoReleaseMarshalData
CoCreateInstance
StringFromCLSID
CoTaskMemFree
CoTaskMemAlloc
CoMarshalInterface
CoGetMalloc
CoGetCallerTID
CreateStreamOnHGlobal

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

RoGetActivationFactory
RoActivateInstance

rpcrt4

IUnknown_AddRef_Proxy
NdrCStdStubBuffer2_Release
NdrDllGetClassObject
NdrDllCanUnloadNow
CStdStubBuffer_Invoke
NdrStubForwardingFunction
NdrStubCall2
CStdStubBuffer_IsIIDSupported
CStdStubBuffer_DebugServerQueryInterface
IUnknown_QueryInterface_Proxy
NdrOleFree
CStdStubBuffer_AddRef
IUnknown_Release_Proxy
NdrOleAllocate
CStdStubBuffer_DebugServerRelease

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

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

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

RoGetAgileReference

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

RoGetMatchingRestrictedErrorInfo
IsErrorPropagationEnabled
RoReportFailedDelegate

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

RegGetValueW
RegCloseKey
RegSetValueExW
RegOpenKeyExW

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

MultiByteToWideChar

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

RevertToSelf
GetAce
EqualSid
DuplicateTokenEx
GetTokenInformation

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

LocalFree
LocalAlloc

api-ms-win-stateseparation-helpers-l1-1-0

GetPersistedRegistryLocationW

combase

ord147

ntdll

RtlNtStatusToDosError
RtlCreateAcl
NtSetSecurityObject
RtlCreateSecurityDescriptor
NtQuerySecurityObject
RtlAddAccessAllowedAce
RtlSetDaclSecurityDescriptor
RtlGetAce
RtlLengthSid
RtlQueryInformationAcl
RtlAddAce
RtlGetDaclSecurityDescriptor

propsys

PropVariantToStringAlloc

msvcp_win

?_Xlength_error@std@@YAXPBD@Z

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

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

ApiSetQueryApiSetPresence

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 166KB - Virtual size: 165KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0abe32fb1c07e951f270ab4eb65a823a

Code Sign

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66Certificate

Extended Key Usages

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

Key Usages

58:18:79:24:de:c4:02:5c:fd:23:84:70:17:8f:b3:d9:c4:01:99:49:9f:72:88:41:fa:c4:fb:48:a2:e6:3f:4aSigner

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

twinapi.appcore

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

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

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

api-ms-win-stateseparation-helpers-l1-1-0

combase

ntdll

propsys

msvcp_win

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

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

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

Exports

Exports

Sections

.text Size: 166KB - Virtual size: 165KB

.data Size: 512B - Virtual size: 2KB

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

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

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

.reloc Size: 12KB - Virtual size: 11KB

33:00:00:02:66:bd:15:80:ef:a7:5c:d6:d3:00:00:00:00:02:66
Certificate

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

58:18:79:24:de:c4:02:5c:fd:23:84:70:17:8f:b3:d9:c4:01:99:49:9f:72:88:41:fa:c4:fb:48:a2:e6:3f:4a
Signer

.text
Size: 166KB - Virtual size: 165KB

.data
Size: 512B - Virtual size: 2KB

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

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

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

.reloc
Size: 12KB - Virtual size: 11KB