uhssvc[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

uhssvc.exe
Size

338KB
MD5

13b9189ca51d925ff78151a0e14c40ce
SHA1

0e5fa1577287b46407635a1a42bc11a29a08f047
SHA256

78aedd6d13c45b2e080bc26527ccf3bdabf764a2108249ba8b3ac4387c6a6376
SHA512

1206623d45af852e2f48e2c01e9bbb60858b975a99c07a234d8d242ca5b4abfc02eddc4f92f372f30102cb42086870015adaa609257be303f8625493de93b54e
SSDEEP

6144:+q7zuWAbV2ATzvz75JWh8PbREQIdZ1sG8sQ:tiWO2ATvNi8PbRoZaxsQ

Score

1^/10

Malware Config

Signatures

Files

uhssvc.exe
.exe windows x64

486a6c129da076de0c30af67fc039cb0

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

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

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

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

54:d2:24:c3:5e:0a:fe:d6:df:87:aa:63:37:08:34:a3:f5:db:e0:2c:ed:95:d2:cd:d3:82:40:3f:75:f0:24:cf
Signer

Actual PE Digest

54:d2:24:c3:5e:0a:fe:d6:df:87:aa:63:37:08:34:a3:f5:db:e0:2c:ed:95:d2:cd:d3:82:40:3f:75:f0:24:cf

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

16/03/2023, 15:35
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-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
Sleep
InitOnceBeginInitialize
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
CreateSemaphoreExW
WaitForSingleObject
CreateEventExW
LeaveCriticalSection
ReleaseMutex
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

GetLocalTime
GetWindowsDirectoryW
GetSystemDirectoryW
GetSystemTimeAsFileTime
GetVersionExA
GetSystemWindowsDirectoryW
GetSystemTime

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
WideCharToMultiByte
MultiByteToWideChar

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

GetFileVersionInfoW
GetFileVersionInfoSizeW

crypt32

CertVerifyCertificateChainPolicy

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

VerQueryValueW

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

GetProductInfo
GetNativeSystemInfo

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

WindowsCreateStringReference
WindowsCompareStringOrdinal
WindowsCreateString
WindowsGetStringRawBuffer
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

FileTimeToSystemTime
SystemTimeToFileTime

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: 193KB - Virtual size: 192KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 119KB - Virtual size: 118KB

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

486a6c129da076de0c30af67fc039cb0

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

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

Key Usages

54:d2:24:c3:5e:0a:fe:d6:df:87:aa:63:37:08:34:a3:f5:db:e0:2c:ed:95:d2:cd:d3:82:40:3f:75:f0:24:cfSigner

Signature Validations

Verification

16/03/2023, 15:35 Valid: false

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: 193KB - Virtual size: 192KB

.rdata Size: 119KB - Virtual size: 118KB

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

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

54:d2:24:c3:5e:0a:fe:d6:df:87:aa:63:37:08:34:a3:f5:db:e0:2c:ed:95:d2:cd:d3:82:40:3f:75:f0:24:cf
Signer

16/03/2023, 15:35
Valid: false

.text
Size: 193KB - Virtual size: 192KB

.rdata
Size: 119KB - Virtual size: 118KB

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

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

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

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