mssyncsvc[.]exe | Triage™

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General

Target
mssyncsvc.exe
Size 963KB
Sample260703-ksemtsd191
SHA256 b97235d8902bd007af1d30ab8de02882959b966f33a3fbe5b6251bf51264ad1a
MD5 f3009684e48916d1b8679a7e8f0af07d
SHA1 36441340376d5307d7f1fe83c05b50188a6151fb
SHA512 0edaa0c49e48d3833be65c8cf0da93e2294be530f5c00e18c693608d33eb3b5d0a878c605bca0e7af2cf2a04b9a391353a8a54b3419707fcbe0f7867250b4446
SSDEEP 24576:+MTbzQpyMgO7Gb+5322HTLptJdTAkgO4Y5X:+Ez/MgO7GbU3tHlz3
TLSH
T1E8253B2A6A5C00ACD1B2D5F8DA275903E671788A03357DEF07D05DB21E176A8AB3FF11
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mssyncsvc.exe

File Explorer

mssyncsvc.exe

.exe 963KB

mssyncsvc.exe

IMPHASH 028e2bdb4a7f2ccc78eab8186731de3d
SHA256 b97235d8902bd007af1d30ab8de02882959b966f33a3fbe5b6251bf51264ad1a
MD5 f3009684e48916d1b8679a7e8f0af07d
SHA1 36441340376d5307d7f1fe83c05b50188a6151fb
SHA512 0edaa0c49e48d3833be65c8cf0da93e2294be530f5c00e18c693608d33eb3b5d0a878c605bca0e7af2cf2a04b9a391353a8a54b3419707fcbe0f7867250b4446
SSDEEP 24576:+MTbzQpyMgO7Gb+5322HTLptJdTAkgO4Y5X:+Ez/MgO7GbU3tHlz3
TLSH
T1E8253B2A6A5C00ACD1B2D5F8DA275903E671788A03357DEF07D05DB21E176A8AB3FF11
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

548128

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

advapi32

GetTokenInformation RegQueryValueExW RegEnumValueW QueryServiceStatusEx OpenServiceW RegDeleteValueW RegOpenKeyExW OpenEventLogW StartServiceW OpenProcessToken RegSetValueExW RegEnumKeyExW ControlService DeleteService CloseEventLog RegCreateKeyExW RegFlushKey OpenSCManagerW ClearEventLogW CloseServiceHandle RegCloseKey CreateServiceW AdjustTokenPrivileges LookupPrivilegeValueW

ole32

CoUninitialize StringFromGUID2 CoCreateGuid CoInitializeEx

setupapi

CM_Reenumerate_DevNode SetupDiDestroyDeviceInfoList SetupDiGetClassDevsW SetupDiEnumDeviceInfo CM_Locate_DevNodeA SetupDiCallClassInstaller CM_Get_Device_IDW SetupDiSetClassInstallParamsW

crypt32

CryptUnprotectData CryptProtectData

user32

ExitWindowsEx

kernel32

SetStdHandle GetProcessHeap SetEnvironmentVariableW FreeEnvironmentStringsW HeapSize HeapReAlloc GetOEMCP GetACP IsValidCodePage WriteConsoleW SetEndOfFile GetEnvironmentStringsW ReadConsoleW EnumSystemLocalesW ReadFile GetModuleFileNameA SizeofResource GetVolumeInformationW SetConsoleTextAttribute GetCurrentProcess GetStdHandle WriteFile DeviceIoControl GetFullPathNameA GetTempPathW WaitForSingleObject CreateFileW GetLogicalDriveStringsW MultiByteToWideChar Sleep GetTempPathA GetTickCount64 GetLastError TerminateThread LockResource CloseHandle CreateThread GetWindowsDirectoryA LoadResource FindResourceW SetFilePointerEx LocalFree GetCurrentProcessId GetModuleHandleW WideCharToMultiByte FormatMessageA GetDriveTypeW FlushFileBuffers GetLocaleInfoEx FindClose FindFirstFileW FindFirstFileExW FindNextFileW GetFileAttributesExW SetFileInformationByHandle CreateFile2 AreFileApisANSI GetProcAddress GetFileInformationByHandleEx QueryPerformanceCounter QueryPerformanceFrequency GetCurrentThreadId EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx GetStringTypeW GetCPInfo SetUnhandledExceptionFilter GetStartupInfoW GetSystemTimeAsFileTime InitializeSListHead GetUserDefaultLCID RtlLookupFunctionEntry RtlUnwindEx RtlPcToFileHeader RaiseException SetLastError FlsAlloc FlsGetValue FlsSetValue FlsFree IsProcessorFeaturePresent ExitProcess TerminateProcess FreeLibrary GetModuleHandleExW GetModuleFileNameW GetCommandLineA GetCommandLineW RtlCaptureContext RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter GetFileSizeEx GetFileType HeapAlloc GetTimeZoneInformation GetConsoleOutputCP GetConsoleMode HeapFree GetExitCodeProcess CreateProcessW VirtualProtect LoadLibraryExW GetDateFormatW GetTimeFormatW CompareStringW LCMapStringW GetLocaleInfoW IsValidLocale RtlUnwind

Name

.text

Size

756KB

Virtual Size

756KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

171KB

Virtual Size

170KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

23KB

Virtual Size

23KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1024B

Virtual Size

608B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

mssyncsvc.exe

advapi32

ole32

setupapi

crypt32

user32

kernel32

generic