PCHealthCheck[.]exe

Sharing

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General

Target

PCHealthCheck.exe
Size

845KB
MD5

29c737dd94cfc96aeea18ecaf37a2564
SHA1

c08936ca6e7f7f23f85b38fe715bf823a99f5f65
SHA256

ca2ce5adbf3120f7ede02e7d256e6f986a5584b6be96763ca1b8ee2626ed07e1
SHA512

8ad9aadcaa1fcd74d770f321e063f0d5b9271e9c68867db2f0d6638ee071163e3738f127a1e1af4b39d67ee05c5014c86f49ea3110ab95ec7131caf7441ec74a
SSDEEP

12288:zxeR1/aV3lawM08hr9V7J5pjLRmiMRO95tjrRO95tjw:zxezUlawM0SRNJ9miMR25tjrR25tjw

Score

1^/10

Malware Config

Signatures

Files

PCHealthCheck.exe
.exe windows x64

48a860af17852fcbf578eff5b5fcee06

Code Sign

33:00:00:02:53:e3:83:de:96:de:c5:6e:cc:00:00:00:00:02:53
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:33

Not After

01/09/2022, 18:33

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

ad:5c:ea:0e:fd:79:c0:db:f2:37:b5:c7:f8:ab:fb:86:c0:a7:63:a1:9b:cc:31:4a:e7:49:e7:a6:cd:06:55:41
Signer

Actual PE Digest

ad:5c:ea:0e:fd:79:c0:db:f2:37:b5:c7:f8:ab:fb:86:c0:a7:63:a1:9b:cc:31:4a:e7:49:e7:a6:cd:06:55:41

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

16/03/2023, 15:37
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

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

SubscribeFeatureStateChangeNotification
RecordFeatureUsage
UnsubscribeFeatureStateChangeNotification
GetFeatureEnabledState

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

kernel32

InitOnceComplete
InitOnceBeginInitialize
HeapAlloc
GetProcessHeap
HeapFree
SetThreadpoolTimer
CloseThreadpoolTimer
WaitForThreadpoolTimerCallbacks
SetLastError
CreateThreadpoolTimer
ExpandEnvironmentStringsW
K32GetModuleFileNameExW
GetModuleFileNameW
GetModuleFileNameA
CreateSemaphoreExW
ReleaseSemaphore
GetModuleHandleExW
WaitForSingleObject
ReleaseMutex
WaitForSingleObjectEx
OpenSemaphoreW
GetProcAddress
CreateMutexExW
GetCurrentProcessId
GetModuleHandleW
DebugBreak
GetUserGeoID
LocalFree
IsDebuggerPresent
OutputDebugStringW
FormatMessageW
GetCurrentThreadId
AcquireSRWLockExclusive
GetFileAttributesW
FindNextFileW
GetLocaleInfoEx
GetExitCodeProcess
ReleaseSRWLockExclusive
DeviceIoControl
WriteFile
CreateFileW
CreateEventExW
SetEvent
CompareStringOrdinal
GetSystemTimeAsFileTime
GetCurrentPackageId
AreFileApisANSI
MultiByteToWideChar
GetLastError
WaitForThreadpoolWaitCallbacks
SetThreadpoolWait
CreateThreadpoolWait
GetSystemPowerStatus
GetCurrentProcess
FreeLibrary
GetPhysicallyInstalledSystemMemory
GetSystemWindowsDirectoryW
GetDiskFreeSpaceExW
GetActiveProcessorCount
LoadLibraryExW
GetNativeSystemInfo
IsProcessorFeaturePresent
VerSetConditionMask
WideCharToMultiByte
FormatMessageA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
VerifyVersionInfoW
CloseHandle
EnterCriticalSection
GetFileAttributesExW
LocalAlloc
GetFileInformationByHandle
RemoveDirectoryW
GetGeoInfoW
GetThreadPreferredUILanguages
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
ResetEvent
CreateEventW
GetStartupInfoW
LocaleNameToLCID
CancelSynchronousIo
GetTempPathW
QueryPerformanceCounter
InitializeSListHead
GetProductInfo
LoadLibraryW
InterlockedPushEntrySList
TrySubmitThreadpoolCallback
RaiseException
InitializeCriticalSectionEx
DeleteCriticalSection
GetLocaleInfoW
GetUserDefaultUILanguage
MulDiv
CreateDirectoryW
DeleteFileW
FindClose
FindFirstFileExW
CloseThreadpoolWait

advapi32

InitiateSystemShutdownExW
LookupPrivilegeValueW
OpenProcessToken
RegCloseKey
RegOpenKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegNotifyChangeKeyValue
EventActivityIdControl
RegSetKeyValueW
RegCreateKeyW
AdjustTokenPrivileges
RegGetValueW
EventRegister
EventSetInformation
EventUnregister
EventWriteTransfer

ole32

OleSetContainedObject
CoTaskMemFree
CoCreateInstance
CoCreateGuid
StringFromGUID2
CoCreateFreeThreadedMarshaler
CoTaskMemAlloc
CoUninitialize
CoSetProxyBlanket
OleLockRunning
CoGetApartmentType
CoGetObjectContext
CoInitializeEx

msvcp140

?_Syserror_map@std@@YAPEBDH@Z
?_Winerror_map@std@@YAHH@Z
?_Throw_Cpp_error@std@@YAXH@Z
_Thrd_join
_Thrd_id
_Cnd_do_broadcast_at_thread_exit
??5?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@AEAH@Z
?get@?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAAGXZ
_Cnd_unregister_at_thread_exit
_Cnd_destroy_in_situ
?__ExceptionPtrDestroy@@YAXPEAX@Z
_Cnd_broadcast
_Cnd_register_at_thread_exit
?__ExceptionPtrCopy@@YAXPEAXPEBX@Z
?_Rethrow_future_exception@std@@YAXVexception_ptr@1@@Z
?__ExceptionPtrToBool@@YA_NPEBX@Z
_Cnd_wait
?_Throw_future_error@std@@YAXAEBVerror_code@1@@Z
?__ExceptionPtrRethrow@@YAXPEBX@Z
?__ExceptionPtrCurrentException@@YAXPEAX@Z
?__ExceptionPtrCreate@@YAXPEAX@Z
?_ReportUnobservedException@details@Concurrency@@YAXXZ
?ReportUnhandledError@_ExceptionHolder@details@Concurrency@@AEAAXXZ
?__ExceptionPtrAssign@@YAXPEAXPEBX@Z
?_Reset@_ContextCallback@details@Concurrency@@AEAAXXZ
??0task_continuation_context@Concurrency@@AEAA@XZ
_Cnd_init_in_situ
?GetCurrentThreadId@platform@details@Concurrency@@YAJXZ
?_Release_chore@details@Concurrency@@YAXPEAU_Threadpool_chore@12@@Z
?_Schedule_chore@details@Concurrency@@YAHPEAU_Threadpool_chore@12@@Z
?_Throw_C_error@std@@YAXH@Z
?_Capture@_ContextCallback@details@Concurrency@@AEAAXXZ
?_LogScheduleTask@_TaskEventLogger@details@Concurrency@@QEAAX_N@Z
?_LogCancelTask@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogTaskExecutionCompleted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogTaskCompleted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogWorkItemStarted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogWorkItemCompleted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
_Thrd_yield
?__ExceptionPtrCopyException@@YAXPEAXPEBX1@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@K@Z
?put@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@_W@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
_Mtx_lock
_Mtx_unlock
_Mtx_init_in_situ
_Mtx_destroy_in_situ
?_Xbad_function_call@std@@YAXXZ
?_Gndec@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAPEA_WXZ
?_Ipfx@?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAA_N_N@Z
?_Xlength_error@std@@YAXPEBD@Z
?getloc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEBA?AVlocale@2@XZ
?snextc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAGXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?unshift@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
?sbumpc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAGXZ
?sgetc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAGXZ
?out@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEB_W1AEAPEB_WPEAD3AEAPEAD@Z
?in@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEA_W3AEAPEA_W@Z
?_Xbad_alloc@std@@YAXXZ
?id@?$codecvt@_WDU_Mbstatet@@@std@@2V0locale@2@A
??1?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?imbue@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAPEAV12@PEA_W_J@Z
?xsputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEB_W_J@Z
?xsgetn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEA_W_J@Z
?_Getcat@?$codecvt@_WDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?uflow@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAGXZ
?gbump@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXH@Z
?showmanyc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JXZ
?_Pninc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAPEA_WXZ
?_Unlock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
??Bid@locale@std@@QEAA_KXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
??0?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@_N@Z
??1?$basic_istream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?_Init@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@H@Z
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
?uncaught_exception@std@@YA_NXZ
?_Lock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
??0?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
??1?$basic_iostream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
??0?$basic_iostream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@@Z
??1?$basic_ios@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
??0?$basic_ios@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?_CallInContext@_ContextCallback@details@Concurrency@@QEBAXV?$function@$$A6AXXZ@std@@_N@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memcpy
memcmp
__std_terminate
__std_exception_copy
__std_exception_destroy
_purecall
__current_exception
__C_specific_handler
_CxxThrowException
memset
__current_exception_context
memmove

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

_invalid_parameter_noinfo
_errno
_invalid_parameter_noinfo_noreturn
__p___argc
terminate
__p___wargv
exit
_beginthreadex
abort
_register_thread_local_exe_atexit_callback
_c_exit
_exit
_initterm_e
_initterm
_get_wide_winmain_command_line
_initialize_wide_environment
_configure_wide_argv
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table

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

_wcsicmp
_wcsnicmp
iswspace
strncmp

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

__stdio_common_vswprintf_s
__stdio_common_vswprintf
__stdio_common_vswscanf
__stdio_common_vsnprintf_s
__p__commode
_set_fmode
fflush
setvbuf
fsetpos
_fseeki64
fgetpos
fgetwc
fgetc
ungetc
ungetwc
fputwc
fwrite
fclose

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

free
malloc
_callnewh
_set_new_mode

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

wcstoull
_wtoi

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

_lock_file
_unlock_file

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

___lc_codepage_func
_configthreadlocale

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

ceilf
__setusermatherr

pchealthclientvb

GetBackupStatus
GetSVUpgradeAvailStatus
SetBackupStatus
IsManagedDevice
GetEligibilityStatus
GetOneDriveBackupStatus
IsVirtualMachine

pchealthclient

GetWindowsUpdateStatus

tbs

Tbsi_GetDeviceInfo

netapi32

NetApiBufferFree
NetGetAadJoinInformation
NetGetJoinInformation
NetFreeAadJoinInformation

shlwapi

UrlIsW
PathRemoveFileSpecW
StrStrIW
ord168
ord176
UrlCanonicalizeW
PathIsDirectoryW

urlmon

CoInternetSetFeatureEnabled

msi

ord70
ord205

winhttp

WinHttpSendRequest
WinHttpOpenRequest
WinHttpQueryHeaders
WinHttpReadData
WinHttpQueryDataAvailable
WinHttpCloseHandle
WinHttpConnect
WinHttpSetOption
WinHttpReceiveResponse
WinHttpOpen

wintrust

WTHelperGetProvSignerFromChain
WTHelperProvDataFromStateData
WinVerifyTrust

crypt32

CertVerifyCertificateChainPolicy

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

RoOriginateError

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

RoActivateInstance

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

WindowsCreateStringReference

setupapi

SetupDiGetClassDevsW
SetupDiEnumDeviceInterfaces
SetupDiGetDeviceInterfaceDetailW
SetupDiDestroyDeviceInfoList

user32

GetKeyState
DefWindowProcW
GetWindowLongPtrW
RegisterClassExW
LoadIconW
PostMessageW
GetActiveWindow
FlashWindowEx
GetDpiForSystem
CreateWindowExW
SetWindowLongPtrW
AdjustWindowRectExForDpi
GetWindowLongW
GetMonitorInfoW
MonitorFromWindow
GetForegroundWindow
GetDC
LoadStringW
PostThreadMessageW
GetMessageW
TranslateMessage
DispatchMessageW
GetDpiForWindow
GetClientRect
SetWindowTextW
SetWindowPos
LoadCursorW
PostQuitMessage
GetSystemMetrics
ShowWindow

gdi32

GetDeviceCaps
DeleteDC

shell32

SHGetKnownFolderPath
ShellExecuteExW

oleaut32

SafeArrayGetLBound
SafeArrayUnlock
SafeArrayLock
VariantCopy
SafeArrayGetElement
SysFreeString
VariantClear
SysAllocString
VariantInit
SetErrorInfo
SafeArrayGetUBound
SafeArrayDestroy
SysStringLen
SysAllocStringLen
GetErrorInfo

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

WakeByAddressSingle
WaitOnAddress

Sections

.text
Size: 352KB - Virtual size: 351KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 231KB - Virtual size: 230KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 103KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 123KB - Virtual size: 123KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

48a860af17852fcbf578eff5b5fcee06

Code Sign

33:00:00:02:53:e3:83:de:96:de:c5:6e:cc:00:00:00:00:02:53Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

ad:5c:ea:0e:fd:79:c0:db:f2:37:b5:c7:f8:ab:fb:86:c0:a7:63:a1:9b:cc:31:4a:e7:49:e7:a6:cd:06:55:41Signer

Signature Validations

Verification

16/03/2023, 15:37 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

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

version

kernel32

advapi32

ole32

msvcp140

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

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

pchealthclientvb

pchealthclient

tbs

netapi32

shlwapi

urlmon

msi

winhttp

wintrust

crypt32

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

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

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

setupapi

user32

gdi32

shell32

oleaut32

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

Sections

.text Size: 352KB - Virtual size: 351KB

.rdata Size: 231KB - Virtual size: 230KB

.data Size: 103KB - Virtual size: 105KB

.pdata Size: 18KB - Virtual size: 18KB

.rsrc Size: 123KB - Virtual size: 123KB

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

33:00:00:02:53:e3:83:de:96:de:c5:6e:cc:00:00:00:00:02:53
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

ad:5c:ea:0e:fd:79:c0:db:f2:37:b5:c7:f8:ab:fb:86:c0:a7:63:a1:9b:cc:31:4a:e7:49:e7:a6:cd:06:55:41
Signer

16/03/2023, 15:37
Valid: false

.text
Size: 352KB - Virtual size: 351KB

.rdata
Size: 231KB - Virtual size: 230KB

.data
Size: 103KB - Virtual size: 105KB

.pdata
Size: 18KB - Virtual size: 18KB

.rsrc
Size: 123KB - Virtual size: 123KB

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