monopst[.]dll | Triage™

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General

Target
monopst.dll
Size 7.5MB
Sample260416-gmxpnsbs21
SHA256 f51ee0aceb0ecb3802effd08087081146c6edb1bfc0cb53bce502a5f23cc7e3c
MD5 36c6f24c4d2231fd5cf757d423b9dfd7
SHA1 2e427493adc742631ee1bb5b91b32df98b9db20c
SHA512 7fa2f3f80fe504aa71a7631597959660ed1b1286809513020560041b625cd609d7988bcc4e31cf2885f6d667bfbfb865729985e3bf9b785d211efba7b4650491
SSDEEP 98304:Q4Qt7dOfjplRh8HURaqybInFojC6j1Wjr4eXr+oYexS/nxkc+AFmkXB/:Q4QtBOfjpfhdR6OnAFmkX
TLSH
T18D866D11F6025529F49700FAD7BC86AED9AD9E70035A20F392C8BD8A65F78D2363171F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
monopst.dll

File Explorer

monopst.dll

.dll 7.5MB

monopst.dll

IMPHASH 720f3c913737e9a298937fbc838ddc1d
SHA256 f51ee0aceb0ecb3802effd08087081146c6edb1bfc0cb53bce502a5f23cc7e3c
MD5 36c6f24c4d2231fd5cf757d423b9dfd7
SHA1 2e427493adc742631ee1bb5b91b32df98b9db20c
SHA512 7fa2f3f80fe504aa71a7631597959660ed1b1286809513020560041b625cd609d7988bcc4e31cf2885f6d667bfbfb865729985e3bf9b785d211efba7b4650491
SSDEEP 98304:Q4Qt7dOfjplRh8HURaqybInFojC6j1Wjr4eXr+oYexS/nxkc+AFmkXB/:Q4QtBOfjpfhdR6OnAFmkX
TLSH
T18D866D11F6025529F49700FAD7BC86AED9AD9E70035A20F392C8BD8A65F78D2363171F
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5063903

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

C:\Users\Andrei\Documents\GitHub\Release\memedingus.pdb

kernel32

GlobalUnlock GlobalLock GlobalFree MultiByteToWideChar WideCharToMultiByte CreateThread GetCurrentProcess WriteProcessMemory GetLastError GetCurrentProcessId VirtualProtect Sleep GetTempPathA K32GetModuleInformation GetSystemTimeAsFileTime IsDebuggerPresent IsProcessorFeaturePresent TerminateProcess SetUnhandledExceptionFilter UnhandledExceptionFilter VirtualFree VirtualAlloc GetModuleHandleExA GetModuleFileNameA GetCurrentThreadId AcquireSRWLockExclusive LoadLibraryA ReleaseSRWLockExclusive GetFileInformationByHandleEx AreFileApisANSI GetProcAddress GetModuleHandleA FreeLibrary QueryPerformanceFrequency QueryPerformanceCounter WriteFile CreateFileA GetFileAttributesExW FindNextFileW FindFirstFileExW FindFirstFileW FindClose CreateFileW CreateDirectoryW GetCurrentDirectoryW GetLocaleInfoEx FormatMessageA LocalFree VirtualQuery FlushInstructionCache SetLastError InitializeSListHead GlobalAlloc CloseHandle GetLocalTime

user32

GetCursorPos ScreenToClient GetAsyncKeyState GetForegroundWindow GetKeyState GetCapture SetCapture ReleaseCapture GetClientRect SetCursorPos SetCursor ClientToScreen LoadCursorA OpenClipboard CloseClipboard SetClipboardData GetClipboardData EmptyClipboard CallWindowProcA SetWindowLongA FindWindowA

gdi32

AddFontMemResourceEx

advapi32

RegCreateKeyExA RegGetValueA RegCloseKey

shell32

ShellExecuteA

msvcp140

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d3dx9_43

D3DXCreateTextureFromFileExA D3DXCreateSprite D3DXCreateFontA D3DXCreateTextureFromFileInMemoryEx

imm32

ImmSetCompositionWindow ImmGetContext ImmSetCandidateWindow ImmReleaseContext

vcruntime140

__std_type_info_destroy_list _except_handler4_common __current_exception_context memcmp memset __CxxFrameHandler3 memcpy _purecall __current_exception strrchr memmove __RTDynamicCast strstr memchr _CxxThrowException __std_exception_destroy __std_exception_copy strchr __std_type_info_compare

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

strncpy wcslen strcmp strcpy_s strncmp strcpy toupper strlen strpbrk isblank

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

calloc _callnewh free malloc

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

abs qsort srand rand

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

sin acos fmod asin log fabs atan2 fmaxf atan pow _dsign exp _CItanh _CIcosh tanh sinh cosh ldexp tan cos floor llround ceil _fdtest _ldtest _dtest _fdsign _ldsign sqrt _CIsinh

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

_gmtime64 _localtime64_s _localtime64 _mktime64 clock _time64 _difftime64 strftime

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

strerror abort _invoke_watson _initterm_e _initterm _errno strerror_s _cexit _crt_atexit _execute_onexit_table _register_onexit_function _initialize_onexit_table _initialize_narrow_environment _configure_narrow_argv _seh_filter_dll terminate exit system

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

atof strtoll strtoull strtoul strtod strtol

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

__stdio_common_vfwprintf_p __stdio_common_vfwprintf_s __stdio_common_vfwprintf __stdio_common_vfwscanf __stdio_common_vswprintf ungetc putchar __stdio_common_vsnprintf_s tmpnam __stdio_common_vswprintf_s __stdio_common_vsnwprintf_s __stdio_common_vswprintf_p __stdio_common_vswscanf fopen __stdio_common_vfprintf_s __stdio_common_vfprintf_p __stdio_common_vfscanf tmpfile _popen _pclose _ftelli64 fgets clearerr __stdio_common_vsscanf __stdio_common_vfprintf __stdio_common_vsprintf_p ftell __p__fmode fseek _wfopen __stdio_common_vsprintf_s __stdio_common_vsprintf fputs getc fwrite _fseeki64 fsetpos _fsopen fread fputc fgetpos fgetc fflush ferror feof fclose freopen_s _get_stream_buffer_pointers __acrt_iob_func setvbuf

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

_unlock_file rename _lock_file remove

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

localeconv setlocale ___lc_codepage_func

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

getenv

__swprintf_l __vswprintf_l _fprintf_l _fprintf_p _fprintf_p_l _fprintf_s_l _fscanf_l _fscanf_s_l _fwprintf_l _fwprintf_p _fwprintf_p_l _fwprintf_s_l _fwscanf_l _fwscanf_s_l _printf_l _printf_p _printf_p_l _printf_s_l _scanf_l _scanf_s_l _scprintf _scprintf_l _scprintf_p _scprintf_p_l _scwprintf _scwprintf_l _scwprintf_p _scwprintf_p_l _snprintf _snprintf_c _snprintf_c_l _snprintf_l _snprintf_s _snprintf_s_l _snscanf _snscanf_l _snscanf_s _snscanf_s_l _snwprintf _snwprintf_l _snwprintf_s _snwprintf_s_l _snwscanf _snwscanf_l _snwscanf_s _snwscanf_s_l _sprintf_l _sprintf_p _sprintf_p_l _sprintf_s_l _sscanf_l _sscanf_s_l _swprintf _swprintf_c _swprintf_c_l _swprintf_l _swprintf_p _swprintf_p_l _swprintf_s_l _swscanf_l _swscanf_s_l _vfprintf_l _vfprintf_p _vfprintf_p_l _vfprintf_s_l _vfscanf_l _vfscanf_s_l _vfwprintf_l _vfwprintf_p _vfwprintf_p_l _vfwprintf_s_l _vfwscanf_l _vfwscanf_s_l _vprintf_l _vprintf_p _vprintf_p_l _vprintf_s_l _vscanf_l _vscanf_s_l _vscprintf _vscprintf_l _vscprintf_p _vscprintf_p_l _vscwprintf _vscwprintf_l _vscwprintf_p _vscwprintf_p_l _vsnprintf _vsnprintf_c _vsnprintf_c_l _vsnprintf_l _vsnprintf_s _vsnprintf_s_l _vsnwprintf _vsnwprintf_l _vsnwprintf_s _vsnwprintf_s_l _vsnwscanf_l _vsnwscanf_s_l _vsprintf_l _vsprintf_p _vsprintf_p_l _vsprintf_s_l _vsscanf_l _vsscanf_s_l _vswprintf _vswprintf_c _vswprintf_c_l _vswprintf_l _vswprintf_p _vswprintf_p_l _vswprintf_s_l _vswscanf_l _vswscanf_s_l _vwprintf_l _vwprintf_p _vwprintf_p_l _vwprintf_s_l _vwscanf_l _vwscanf_s_l _wprintf_l _wprintf_p _wprintf_p_l _wprintf_s_l _wscanf_l _wscanf_s_l fprintf fprintf_s fscanf fscanf_s fwprintf fwprintf_s fwscanf fwscanf_s printf printf_s scanf scanf_s snprintf sprintf sprintf_s sscanf sscanf_s swprintf swprintf_s swscanf swscanf_s vfprintf vfprintf_s vfscanf vfscanf_s vfwprintf vfwprintf_s vfwscanf vfwscanf_s vprintf vprintf_s vscanf vscanf_s vsnprintf vsnprintf_s vsprintf vsprintf_s vsscanf vsscanf_s vswprintf vswprintf_s vswscanf vswscanf_s vwprintf vwprintf_s vwscanf vwscanf_s wprintf wprintf_s wscanf wscanf_s