CloudExperienceHostUser[.]dll

Sharing

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General

Target

CloudExperienceHostUser.dll
Size

132KB
MD5

53caeb549848695efe764887d9f1aa27
SHA1

3bd683a556fc8ec037abfc006c3588853225e1f4
SHA256

fc73f1ee3d66c0f407cb6d480bbb8126f280bac760f3d99bcad2b0788a96503c
SHA512

c94db3541497daa2fe58ded51d7c44098ac5c62a58a7203e6f3783ccce293f25786a8adae0ed4f5252d0f96c0c182c7fa8348aa27c44324896ca3f25f6804101
SSDEEP

3072:J+h7QwrkYkocTTX+FZloov5QHN2/8Lff6WVAvT9SUEx:JCkYkt1Dr1irEx

Score

1^/10

Malware Config

Signatures

Files

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

a6c75ec4073c9ae35f5922d56b909e42

Code Sign

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bc
Certificate

Issuer

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

Not Before

18/08/2015, 17:15

Not After

18/11/2016, 17:15

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

1b:05:a8:28:e6:f7:be:d0:c7:3b:c9:55:35:d8:f0:dc:34:f3:c1:30:c1:dd:31:e9:36:16:37:c5:a6:ca:dc:74
Signer

Actual PE Digest

1b:05:a8:28:e6:f7:be:d0:c7:3b:c9:55:35:d8:f0:dc:34:f3:c1:30:c1:dd:31:e9:36:16:37:c5:a6:ca:dc:74

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

msvcrt

_vsnprintf_s
??0exception@@QAE@ABV0@@Z
_initterm
_lock
_unlock
__dllonexit
_amsg_exit
_onexit
??1type_info@@UAE@XZ
_except_handler4_common
memcpy
free
_XcptFilter
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABQBD@Z
memmove
_callnewh
??0exception@@QAE@XZ
??1exception@@UAE@XZ
_CxxThrowException
?what@exception@@UBEPBDXZ
??3@YAXPAX@Z
memcpy_s
_purecall
wcschr
__CxxFrameHandler3
_vsnwprintf
malloc
memset

twinapi.appcore

ord3
ord2

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

GetModuleFileNameA
LoadLibraryExW
GetModuleHandleExW
DisableThreadLibraryCalls
GetProcAddress
FreeLibraryAndExitThread
FreeLibrary

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

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

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

HeapFree
GetProcessHeap
HeapAlloc

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

SetLastError
RaiseException
GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

HSTRING_UserSize
HSTRING_UserMarshal
WindowsCreateString
WindowsDeleteString
WindowsIsStringEmpty
WindowsCreateStringReference
HSTRING_UserUnmarshal
HSTRING_UserFree
WindowsStringHasEmbeddedNull
WindowsGetStringRawBuffer
WindowsDuplicateString

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

DecodePointer
EncodePointer

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

OpenProcess
OpenProcessToken
TlsAlloc
CreateThread
GetCurrentProcessId
TlsGetValue
TlsSetValue
GetCurrentThreadId
TlsFree
TerminateProcess
GetProcessId
GetCurrentProcess

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

RoGetMatchingRestrictedErrorInfo
SetRestrictedErrorInfo
RoTransformError
RoReportFailedDelegate
GetRestrictedErrorInfo
IsErrorPropagationEnabled
RoOriginateError
RoOriginateErrorW

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

FormatMessageW

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

OutputDebugStringW

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

CloseHandle

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

QueryPerformanceCounter

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

GetSystemTimeAsFileTime
GetTickCount

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

CoReleaseMarshalData
CoInitializeEx
CoWaitForMultipleHandles
CoUninitialize
CreateStreamOnHGlobal
PropVariantClear
CoCreateFreeThreadedMarshaler
CoCreateInstance
CoMarshalInterface
CoGetCallerTID
CoGetCallContext
CoGetMalloc
CoTaskMemAlloc
StringFromCLSID
RoGetAgileReference
CoGetApartmentType
CoTaskMemFree

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

RoActivateInstance
RoGetActivationFactory

rpcrt4

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

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

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

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

CallbackMayRunLong
FreeLibraryWhenCallbackReturns
CloseThreadpoolTimer
WaitForThreadpoolTimerCallbacks
SetThreadpoolTimer
CreateThreadpoolTimer
TrySubmitThreadpoolCallback

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

CreateSemaphoreW

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

RegOpenKeyExW
RegCloseKey
RegGetValueW

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

CompareStringOrdinal

api-ms-win-security-base-l1-2-0

GetTokenInformation

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

ExpandEnvironmentStringsW

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

QueryFullProcessImageNameW

api-ms-win-rtcore-ntuser-synch-l1-1-0

MsgWaitForMultipleObjectsEx

ntdll

RtlFreeHeap
NtQueryInformationToken
RtlInitUnicodeString
RtlAllocateHeap
RtlNtStatusToDosErrorNoTeb
RtlCompareUnicodeString

propsys

PropVariantToStringAlloc

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

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

ApiSetQueryApiSetPresence

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 103KB - Virtual size: 102KB

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: 7KB - Virtual size: 7KB

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

.tls
Size: 512B - Virtual size: 9B

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: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a6c75ec4073c9ae35f5922d56b909e42

Code Sign

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bcCertificate

Extended Key Usages

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

Key Usages

1b:05:a8:28:e6:f7:be:d0:c7:3b:c9:55:35:d8:f0:dc:34:f3:c1:30:c1:dd:31:e9:36:16:37:c5:a6:ca:dc:74Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

twinapi.appcore

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

rpcrt4

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

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

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

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

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

api-ms-win-security-base-l1-2-0

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

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

api-ms-win-rtcore-ntuser-synch-l1-1-0

ntdll

propsys

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

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

Exports

Exports

Sections

.text Size: 103KB - Virtual size: 102KB

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

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

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

.tls Size: 512B - Virtual size: 9B

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

.reloc Size: 10KB - Virtual size: 9KB

33:00:00:00:bc:e1:20:fd:d2:7c:c8:ee:93:00:00:00:00:00:bc
Certificate

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

1b:05:a8:28:e6:f7:be:d0:c7:3b:c9:55:35:d8:f0:dc:34:f3:c1:30:c1:dd:31:e9:36:16:37:c5:a6:ca:dc:74
Signer

.text
Size: 103KB - Virtual size: 102KB

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

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

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

.tls
Size: 512B - Virtual size: 9B

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

.reloc
Size: 10KB - Virtual size: 9KB