NitroCoreOptimizer[.]exe

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General

Target
NitroCoreOptimizer.exe
Size 11.8MB
Sample261102-jpac9sat3q
SHA256 27a6ebfe65c6ee55e088b2d513834a3647c7031f5b67209e0b5daa0afa144492
MD5 e8eac5266e4bb6e81763f72b259d9d81
SHA1 5f884ce4ff15af1a27e3d347f316a39564803830
SHA512 be0e13a6ee8140c9ad3f599e3b10ae448366af5c08054e7633a56053b8c68eaf6f8a9fb177462130ca51b5d89328283017e4abe4565581c0e3fe4f674e236bbc
SSDEEP 196608:BiE0W8/La+NTwhLL9GA1HeT39IigwsJauDXURuAtjdSYEQVdCk0ax8Z3pED:kjW8ELJf1+TtIiFZuARuAtjdS9QV8axV
TLSH
T1D7C633D933960895DC9E927AA3E9412F67E270AF436892CB6BE00C431F571D8DF36B41
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
NitroCoreOptimizer.exe

File Explorer

NitroCoreOptimizer.exe

.exe 11.8MB
main.pyc

28KB

NitroCoreOptimizer.exe

IMPHASH 72c4e339b7af8ab1ed2eb3821c98713a
SHA256 27a6ebfe65c6ee55e088b2d513834a3647c7031f5b67209e0b5daa0afa144492
MD5 e8eac5266e4bb6e81763f72b259d9d81
SHA1 5f884ce4ff15af1a27e3d347f316a39564803830
SHA512 be0e13a6ee8140c9ad3f599e3b10ae448366af5c08054e7633a56053b8c68eaf6f8a9fb177462130ca51b5d89328283017e4abe4565581c0e3fe4f674e236bbc
SSDEEP 196608:BiE0W8/La+NTwhLL9GA1HeT39IigwsJauDXURuAtjdSYEQVdCk0ax8Z3pED:kjW8ELJf1+TtIiFZuARuAtjdS9QV8axV
TLSH
T1D7C633D933960895DC9E927AA3E9412F67E270AF436892CB6BE00C431F571D8DF36B41
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Detects Pyinstaller

pyinstaller
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

52768

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

user32

CreateWindowExW ShutdownBlockReasonCreate MsgWaitForMultipleObjects ShowWindow DestroyWindow RegisterClassW DefWindowProcW PeekMessageW DispatchMessageW TranslateMessage PostMessageW GetMessageW MessageBoxW MessageBoxA SystemParametersInfoW DestroyIcon SetWindowLongPtrW GetWindowLongPtrW GetClientRect InvalidateRect ReleaseDC GetDC DrawTextW GetDialogBaseUnits EndDialog DialogBoxIndirectParamW MoveWindow SendMessageW

comctl32

ord380

kernel32

GetACP IsValidCodePage GetStringTypeW GetFileAttributesExW SetEnvironmentVariableW FlushFileBuffers GetCurrentDirectoryW LCMapStringW CompareStringW FlsFree GetOEMCP GetCPInfo GetModuleHandleW MulDiv FormatMessageW GetLastError GetModuleFileNameW LoadLibraryExW SetDllDirectoryW CreateSymbolicLinkW GetProcAddress GetEnvironmentStringsW GetCommandLineW GetEnvironmentVariableW ExpandEnvironmentStringsW DeleteFileW FindClose FindFirstFileW FindNextFileW GetDriveTypeW RemoveDirectoryW GetTempPathW CloseHandle QueryPerformanceCounter QueryPerformanceFrequency WaitForSingleObject Sleep GetCurrentProcess TerminateProcess GetExitCodeProcess CreateProcessW GetStartupInfoW FreeLibrary LocalFree SetConsoleCtrlHandler K32EnumProcessModules K32GetModuleFileNameExW CreateFileW FindFirstFileExW GetFinalPathNameByHandleW MultiByteToWideChar WideCharToMultiByte FlsSetValue FreeEnvironmentStringsW GetProcessHeap GetTimeZoneInformation HeapSize HeapReAlloc WriteConsoleW SetEndOfFile CreateDirectoryW RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter IsProcessorFeaturePresent GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent RtlUnwindEx SetLastError EnterCriticalSection LeaveCriticalSection DeleteCriticalSection InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree EncodePointer RaiseException RtlPcToFileHeader GetCommandLineA GetFileInformationByHandle GetFileType PeekNamedPipe SystemTimeToTzSpecificLocalTime FileTimeToSystemTime ReadFile GetFullPathNameW SetStdHandle GetStdHandle WriteFile ExitProcess GetModuleHandleExW HeapFree GetConsoleMode ReadConsoleW SetFilePointerEx GetConsoleOutputCP GetFileSizeEx HeapAlloc FlsAlloc FlsGetValue

advapi32

OpenProcessToken GetTokenInformation ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertSidToStringSidW

gdi32

SelectObject DeleteObject CreateFontIndirectW