uhssvc[.]exe | Triage

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General

Target

uhssvc.exe
Size

360KB
MD5

49ad5158048f8c9650d488bfd6fa8478
SHA1

40f66d8e9905970b3477cff21ff20e3af0b108bf
SHA256

2522c3f082428610a62311fa5a2feb147beb08b20bf74dc3574edbbcd6352c07
SHA512

62baffd391198c2e15841515bfad6a9a3099ea64dca6d1a42b5952224b69c42acb136ab99eec85411ec87802fc2680316bd3c4fef710fc23b650a2119c30dfb0
SSDEEP

6144:g7UR5phvbTrp1S1OcdZsfBRWn8fFtucvQie:gEpZTrp1StdyrWnKFVG

Score

1^/10

Malware Config

Signatures

Files

uhssvc.exe
.exe windows x64

1907f38be5d352a4d87e957bcd9a5264

Code Sign

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15
Certificate

Issuer

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

Not Before

03/02/2023, 00:05

Not After

01/02/2024, 00:05

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

20:45:29:4a:cf:dd:bd:ea:7c:e3:76:13:df:a0:d4:15:26:01:c0:a1:11:54:d4:8f:0a:ff:e9:b0:a4:31:71:6d
Signer

Actual PE Digest

20:45:29:4a:cf:dd:bd:ea:7c:e3:76:13:df:a0:d4:15:26:01:c0:a1:11:54:d4:8f:0a:ff:e9:b0:a4:31:71:6d

Digest Algorithm

sha256

PE Digest Matches

true

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-crt-locale-l1-1-0

_lock_locales
_unlock_locales

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

__strncnt
memset
wcsnlen

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

_register_thread_local_exe_atexit_callback
_c_exit
_initterm
_initterm_e

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

_o__lock_file
_o__malloc_base
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__unlock_file
_o__wcsdup
_o__wcsicmp
_o__wcsupr_s
_o__wtoi
_o_abort
_o_exit
_o_fclose
_o_fflush
_o_fgetc
_o_fgetpos
_o_fputc
_o_fread
_o_free
_o_fsetpos
_o_fwrite
_o_islower
_o_isupper
_o_malloc
_o_mbstowcs
_o_rand
_o_setlocale
_o_setvbuf
_o_srand
_o_terminate
_o_towlower
_o_towupper
_o_ungetc
_o_wcstok_s
_o_wcstol
_o_wcstoul
__uncaught_exception
__C_specific_handler
_CxxThrowException
_o__invalid_parameter_noinfo_noreturn
_o__invalid_parameter_noinfo
_o__initialize_wide_environment
_o__initialize_onexit_table
_o__get_stream_buffer_pointers
_o__get_initial_wide_environment
_o__fseeki64
_o__free_base
wcsstr
_o__exit
_o__errno
_o__crt_atexit
_o__configure_wide_argv
_o__configthreadlocale
_o__cexit
_o__calloc_base
_o__callnewh
_o___stdio_common_vswprintf
_o___stdio_common_vsprintf_s
_o___stdio_common_vsnprintf_s
_o___stdio_common_vfwprintf
_o___stdio_common_vfprintf
_o___std_exception_destroy
_o___std_exception_copy
_o___pctype_func
_o___p__commode
_o___p___wargv
_o___p___argc
_o___acrt_iob_func
_o____mb_cur_max_func
_o____lc_locale_name_func
_o____lc_codepage_func
wcschr
__CxxFrameHandler3
memcmp
memcpy
memmove

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

DeleteFileW
CreateDirectoryW
GetFileAttributesW

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

GetModuleHandleExW
GetProcAddress
SizeofResource
GetModuleFileNameW
GetModuleFileNameA
LoadResource
LockResource
FreeLibrary
LoadLibraryExW
GetModuleHandleW

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

InitOnceExecuteOnce
InitOnceBeginInitialize
Sleep
InitOnceComplete

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

ControlTraceW
StartTraceW
EnableTraceEx2

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

RegCreateKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegSetValueExW
RegEnumValueW
RegOpenKeyExW
RegDeleteTreeW
RegGetValueW
RegDeleteValueW
RegQueryValueExW
RegCloseKey

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

CreateMutexW
WaitForSingleObject
CreateSemaphoreExW
CreateEventExW
ReleaseMutex
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
CreateEventW
OpenSemaphoreW
CreateMutexExW
SetEvent
ReleaseSemaphore
WaitForSingleObjectEx

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

HeapDestroy
HeapFree
HeapReAlloc
HeapSize
HeapAlloc
GetProcessHeap

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

GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError
RaiseException

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

TerminateProcess
CreateProcessW
GetExitCodeProcess
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId

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

ConvertStringSecurityDescriptorToSecurityDescriptorW

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

QueryTraceW

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

CoCreateInstance
CoInitializeEx
CoTaskMemFree
CoTaskMemAlloc
CoCreateFreeThreadedMarshaler
CoWaitForMultipleHandles
CoUninitialize
CoTaskMemRealloc

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

WaitForMultipleObjects

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

SetServiceStatus
StartServiceCtrlDispatcherW

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

EventRegister
EventWriteTransfer
EventUnregister
EventSetInformation

api-ms-win-core-shlwapi-legacy-l1-1-0

PathFindFileNameW
PathRemoveFileSpecW
PathFileExistsW

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

GetEnvironmentVariableW

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

GlobalFree
LocalFree
LocalAlloc

api-ms-win-core-threadpool-legacy-l1-1-0

QueueUserWorkItem

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

FormatMessageW
GetUserDefaultLocaleName
LCMapStringEx

api-ms-win-service-winsvc-l1-1-0

ControlService
RegisterServiceCtrlHandlerW
QueryServiceStatus

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

IsDebuggerPresent
OutputDebugStringW
DebugBreak

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

CloseHandle

oleaut32

SysFreeString
SysAllocString
VariantClear
VariantInit

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

GetWindowsDirectoryW
GetSystemDirectoryW
GetLocalTime
GetSystemWindowsDirectoryW
GetSystemTimeAsFileTime
GetSystemTime
GetVersionExA

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

lstrcmpW
lstrcmpiW

rpcrt4

UuidCreate

api-ms-win-core-kernel32-legacy-l1-1-0

MoveFileW

api-ms-win-service-management-l1-1-0

CloseServiceHandle
DeleteService
CreateServiceW
OpenServiceW
OpenSCManagerW

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

GetStringTypeW
MultiByteToWideChar
WideCharToMultiByte

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

EncodePointer
DecodePointer

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

RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

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

IsProcessorFeaturePresent

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

QueryPerformanceCounter

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

InitializeSListHead

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

_time64

winhttp

WinHttpCloseHandle
WinHttpSetTimeouts
WinHttpOpenRequest
WinHttpReadData
WinHttpSendRequest
WinHttpAddRequestHeaders
WinHttpConnect
WinHttpOpen
WinHttpQueryDataAvailable
WinHttpReceiveResponse
WinHttpQueryHeaders
WinHttpSetOption

api-ms-win-core-version-l1-1-1

GetFileVersionInfoSizeW
GetFileVersionInfoW

crypt32

CertVerifyCertificateChainPolicy

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

VerQueryValueW

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

GetNativeSystemInfo
GetProductInfo

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

WindowsCompareStringOrdinal
WindowsCreateStringReference
WindowsGetStringRawBuffer
WindowsCreateString
WindowsDeleteString

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

RoGetActivationFactory

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

RegSetKeyValueW

ntdll

RtlConvertDeviceFamilyInfoToString
RtlGetVersion
NtDeleteWnfStateName

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

SystemTimeToFileTime
FileTimeToSystemTime

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

SetRestrictedErrorInfo

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

RoGetMatchingRestrictedErrorInfo

api-ms-win-core-shlwapi-obsolete-l1-1-0

StrCmpIW

netapi32

NetGetAadJoinInformation
NetFreeAadJoinInformation

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

LoadLibraryW
FindResourceW

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

PathCchRemoveFileSpec
PathCchCombine

wintrust

WinVerifyTrust
WTHelperProvDataFromStateData
WTHelperGetProvSignerFromChain

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

ceilf

Sections

.text
Size: 204KB - Virtual size: 203KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 130KB - Virtual size: 129KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 944B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1907f38be5d352a4d87e957bcd9a5264

Code Sign

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15Certificate

Extended Key Usages

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

Key Usages

20:45:29:4a:cf:dd:bd:ea:7c:e3:76:13:df:a0:d4:15:26:01:c0:a1:11:54:d4:8f:0a:ff:e9:b0:a4:31:71:6dSigner

Headers

DLL Characteristics

File Characteristics

Imports

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

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

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

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

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

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

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

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

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

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-security-sddl-l1-1-0

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

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

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

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

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

api-ms-win-core-shlwapi-legacy-l1-1-0

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

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

api-ms-win-core-threadpool-legacy-l1-1-0

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

api-ms-win-service-winsvc-l1-1-0

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

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

oleaut32

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

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

rpcrt4

api-ms-win-core-kernel32-legacy-l1-1-0

api-ms-win-service-management-l1-1-0

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

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

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

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

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

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

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

winhttp

api-ms-win-core-version-l1-1-1

crypt32

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

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

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

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

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

ntdll

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

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

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

api-ms-win-core-shlwapi-obsolete-l1-1-0

netapi32

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

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

wintrust

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

Sections

.text Size: 204KB - Virtual size: 203KB

.rdata Size: 130KB - Virtual size: 129KB

.data Size: 2KB - Virtual size: 6KB

.pdata Size: 9KB - Virtual size: 8KB

.rsrc Size: 3KB - Virtual size: 3KB

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15
Certificate

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

20:45:29:4a:cf:dd:bd:ea:7c:e3:76:13:df:a0:d4:15:26:01:c0:a1:11:54:d4:8f:0a:ff:e9:b0:a4:31:71:6d
Signer

.text
Size: 204KB - Virtual size: 203KB

.rdata
Size: 130KB - Virtual size: 129KB

.data
Size: 2KB - Virtual size: 6KB

.pdata
Size: 9KB - Virtual size: 8KB

.rsrc
Size: 3KB - Virtual size: 3KB

.reloc
Size: 1024B - Virtual size: 944B