mcutil[.]dll | Triage™

General

Target
mcutil.dll
Size 882KB
Sample261026-xbhdlsbg26
SHA256 b268b5003461fc0fcf75c52ee1afe598c3f4a45e612780d5a067e3daf2511223
MD5 c8e966ae9ea1a30ddd5901865eeeb52e
SHA1 7b7b51d139d09212d2f5155c920397755a24f92a
SHA512 7975bdb9718799f0ae2c8d763e626b6552a651627b2f3066a8bc9bf580154ad534015bd542420709ebef2a9ca7f548506c91e13b2b98534bda9a297a45fbd29d
SSDEEP 12288:gs6KNARd262EgcnemCk5nGc8u/VJT0GNIuv9s9Qbbnbol:W2EnekGc8udx0GNICLbnb
TLSH
T11415AE55F2E801FCD5779038C99BAA0BE672785607609ADF23E005693F737E056BB322
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mcutil.dll

File Explorer

mcutil.dll

.dll 882KB

mcutil.dll

IMPHASH 09a90860803ec1c8effc50d9473ee170
SHA256 b268b5003461fc0fcf75c52ee1afe598c3f4a45e612780d5a067e3daf2511223
MD5 c8e966ae9ea1a30ddd5901865eeeb52e
SHA1 7b7b51d139d09212d2f5155c920397755a24f92a
SHA512 7975bdb9718799f0ae2c8d763e626b6552a651627b2f3066a8bc9bf580154ad534015bd542420709ebef2a9ca7f548506c91e13b2b98534bda9a297a45fbd29d
SSDEEP 12288:gs6KNARd262EgcnemCk5nGc8u/VJT0GNIuv9s9Qbbnbol:W2EnekGc8udx0GNICLbnb
TLSH
T11415AE55F2E801FCD5779038C99BAA0BE672785607609ADF23E005693F737E056BB322
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

6

Entry point

473504

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DLL

PDB paths

C:\Users\User\Downloads\mcutil (3)\mcutil\bin\Release\mcutil.pdb

user32

CallWindowProcW LoadCursorW ScreenToClient ClientToScreen GetCursorPos SetCursor SetCursorPos GetClientRect IsWindowUnicode ReleaseCapture SetCapture GetCapture GetKeyState GetMessageExtraInfo TrackMouseEvent GetKeyboardLayout EmptyClipboard GetClipboardData SetClipboardData CloseClipboard OpenClipboard GetForegroundWindow MapVirtualKeyA GetKeyNameTextA GetAsyncKeyState SetWindowLongPtrW WindowFromDC

shell32

ShellExecuteA ShellExecuteW

kernel32

CreateFileW SetStdHandle GetProcessHeap SetEnvironmentVariableW FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA GetOEMCP GetACP IsValidCodePage GetTimeZoneInformation ReadConsoleW SetFilePointerEx GetFileSizeEx GetConsoleMode GetConsoleOutputCP WriteFile FlushFileBuffers GetFileType GetStdHandle EnumSystemLocalesW GetUserDefaultLCID IsValidLocale GetLocaleInfoW LCMapStringW CompareStringW GetTimeFormatW GetDateFormatW LoadLibraryExW UnhandledExceptionFilter CloseHandle Sleep CreateThread HeapSize DisableThreadLibraryCalls FreeLibraryAndExitThread GetModuleFileNameW GetModuleHandleW GetProcAddress GetTickCount64 GlobalAlloc GlobalUnlock GlobalLock GlobalFree MultiByteToWideChar WideCharToMultiByte FreeLibrary LoadLibraryA QueryPerformanceCounter QueryPerformanceFrequency GetLocaleInfoA GetSystemInfo VirtualAlloc VirtualFree VirtualQuery HeapCreate HeapDestroy HeapAlloc HeapReAlloc HeapFree GetCurrentProcess GetCurrentProcessId GetCurrentThreadId OpenThread SuspendThread ResumeThread GetThreadContext SetThreadContext FlushInstructionCache VirtualProtect CreateToolhelp32Snapshot Thread32First Thread32Next IsDebuggerPresent WriteConsoleW SetEndOfFile GetLocalTime FindClose LocalFree FormatMessageA GetLocaleInfoEx CreateDirectoryW RtlUnwind FindFirstFileW FindFirstFileExW FindNextFileW GetFileAttributesExW SetFileInformationByHandle CreateFile2 AreFileApisANSI GetLastError GetFileInformationByHandleEx EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection EncodePointer DecodePointer LCMapStringEx GetStringTypeW GetCPInfo ReleaseSRWLockExclusive AcquireSRWLockExclusive WakeAllConditionVariable SleepConditionVariableSRW SetUnhandledExceptionFilter GetStartupInfoW GetSystemTimeAsFileTime InitializeSListHead RtlPcToFileHeader RaiseException RtlLookupFunctionEntry RtlUnwindEx InterlockedFlushSList SetLastError FlsAlloc FlsGetValue FlsSetValue FlsFree ReadFile IsProcessorFeaturePresent ExitProcess TerminateProcess GetModuleHandleExW RtlCaptureContext RtlVirtualUnwind

imm32

ImmGetContext ImmReleaseContext ImmSetCompositionWindow ImmSetCandidateWindow

Name

.text

Size

664KB

Virtual Size

663KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

173KB

Virtual Size

173KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

7KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

32KB

Virtual Size

31KB

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

512B

Virtual Size

480B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

mcutil.dll

user32

shell32

kernel32

imm32

generic