Autumn[.]exe | Triage™

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General

Target
Autumn.exe
Size 6.4MB
Sample261029-25ft4agy7q
SHA256 375c806396c33520a0a2f2f0b8a5cfba4bd837fc0077a34a02684332b082d67e
MD5 8340295a39d258952e5906181b5bdc08
SHA1 fddb2386ddc8914e728811e8d0fd03a4e4fdcbdf
SHA512 c820beaed2d3a78397b2fdb90b46bc02600344e665dbb29debe203117dcec3d72ca3268b7646a3ff1a48d26bd407259b475a053f44d8bbbcfd755e8722c4f135
SSDEEP 98304:1ollPm5MWylcDs2Xn+5feCVXTgPBo1N/GD+mCNaoIRsnOQ19/xu0AZNl:1+lLZSa1N/GD+nNXIa9YNZN
TLSH
T17D669C43F26290F8C52AC135D74A6232FA217C4A0B357AEB5BE44B353EA5FD0673DA14
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Autumn.exe

File Explorer

Autumn.exe

.exe 6.4MB

Autumn.exe

IMPHASH bb927b4c0b8cf7c614b2fb31ee4827a1
SHA256 375c806396c33520a0a2f2f0b8a5cfba4bd837fc0077a34a02684332b082d67e
MD5 8340295a39d258952e5906181b5bdc08
SHA1 fddb2386ddc8914e728811e8d0fd03a4e4fdcbdf
SHA512 c820beaed2d3a78397b2fdb90b46bc02600344e665dbb29debe203117dcec3d72ca3268b7646a3ff1a48d26bd407259b475a053f44d8bbbcfd755e8722c4f135
SSDEEP 98304:1ollPm5MWylcDs2Xn+5feCVXTgPBo1N/GD+mCNaoIRsnOQ19/xu0AZNl:1+lLZSa1N/GD+nNXIa9YNZN
TLSH
T17D669C43F26290F8C52AC135D74A6232FA217C4A0B357AEB5BE44B353EA5FD0673DA14
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

3487728

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

Autumn.pdb

bcryptprimitives

ProcessPrng

ntdll

NtOpenFile NtCreateNamedPipeFile NtWriteFile RtlNtStatusToDosError RtlGetVersion

kernel32

HeapReAlloc HeapFree GetModuleHandleW Sleep GetCurrentThreadId SwitchToThread lstrlenW WaitForSingleObject SetWaitableTimer AcquireSRWLockExclusive SetLastError WakeAllConditionVariable GetProcAddress GetCurrentThread WriteConsoleW SleepConditionVariableSRW GetConsoleOutputCP GetSystemTimeAsFileTime GetConsoleMode GetFullPathNameW CloseHandle FindClose FindNextFileW GetProcessHeap RtlPcToFileHeader RaiseException FreeLibrary SetThreadStackGuarantee LoadLibraryW RtlLookupFunctionEntry WaitForSingleObjectEx GetCurrentProcess GetCurrentProcessId WideCharToMultiByte ReleaseMutex FormatMessageW FindFirstFileExW MultiByteToWideChar FlsAlloc GetModuleHandleExW IsThreadAFiber FlsSetValue FlsFree HeapAlloc LoadLibraryA SleepEx GetFileInformationByHandle GetLastError SetFileTime SetFileInformationByHandle ExitProcess CompareStringOrdinal GetSystemDirectoryW GetWindowsDirectoryW GetFileAttributesW GetModuleFileNameW DuplicateHandle GetTempPathW GetFinalPathNameByHandleW LoadLibraryExW FlsGetValue OutputDebugStringW OutputDebugStringA GetSystemTimePreciseAsFileTime GetFileInformationByHandleEx LoadLibraryExA LCIDToLocaleName GetUserDefaultUILanguage EncodePointer ReleaseSRWLockExclusive GetSystemInfo GetModuleHandleA GetStdHandle RtlUnwindEx SetUnhandledExceptionFilter InitializeSListHead FreeEnvironmentStringsW GetEnvironmentStringsW CreateDirectoryW CreateFileW InitializeCriticalSectionEx CreateProcessW DeleteCriticalSection AddVectoredExceptionHandler QueryPerformanceCounter CreateThread SetEnvironmentVariableW GetCommandLineW DeviceIoControl CreateWaitableTimerExW RtlCaptureContext RtlVirtualUnwind GetCurrentDirectoryW CreateMutexA GetEnvironmentVariableW QueryPerformanceFrequency ReadFileEx WriteFileEx

user32

MapVirtualKeyExW GetWindowTextLengthW IsProcessDPIAware DispatchMessageA TrackPopupMenu GetWindowTextW SystemParametersInfoW SetParent AppendMenuW InsertMenuW SetFocus CreatePopupMenu CreateMenu RegisterWindowMessageA GetWindow MonitorFromRect GetSystemMenu DrawIconEx GetDC SetMenuItemInfoW CloseTouchInputHandle GetTouchInputInfo EnableMenuItem VkKeyScanW TrackMouseEvent SetCapture ReleaseCapture FillRect CheckMenuItem GetWindowLongW ScreenToClient SetWindowLongW SetWindowDisplayAffinity SetWindowTextW ShowCursor RegisterTouchWindow DefWindowProcW DrawTextW ReleaseDC SetCursor LoadCursorW GetWindowPlacement SetWindowPlacement AdjustWindowRect GetMonitorInfoW GetClipCursor SetPropW ClipCursor GetMenu UpdateWindow InvalidateRect SetWindowRgn SetCursorPos GetForegroundWindow InvalidateRgn SetWindowPos GetWindowRect FlashWindowEx GetActiveWindow ClientToScreen SendInput MapVirtualKeyW SetForegroundWindow AdjustWindowRectEx IsWindowEnabled EnableWindow GetWindowLongPtrW MonitorFromWindow IsIconic IsWindowVisible EnumDisplayMonitors MonitorFromPoint SendMessageW GetCursorPos OffsetRect GetClientRect RedrawWindow DestroyWindow SetWindowLongPtrW CreateWindowExW RegisterClassExW RegisterRawInputDevices PostMessageW MsgWaitForMultipleObjectsEx DispatchMessageW TranslateMessage GetMessageW PeekMessageW PostThreadMessageW MapWindowPoints DestroyIcon GetKeyboardState GetMenuBarInfo GetIconInfo LoadImageW ShowWindow GetSystemMetrics PostQuitMessage CreateAcceleratorTableW SystemParametersInfoA DestroyAcceleratorTable DestroyMenu ToUnicodeEx RemoveMenu GetParent FindWindowExW CreateIcon GetAsyncKeyState GetKeyState TranslateAcceleratorW GetUpdateRect ValidateRect GetRawInputData DrawMenuBar SetMenu GetMenuItemInfoW ChangeDisplaySettingsExW EnumChildWindows GetWindowDC GetKeyboardLayout GetMessageA

gdi32

GetDeviceCaps CombineRgn BitBlt GetDIBits DeleteDC SelectObject CreateDIBSection CreateCompatibleDC CreateSolidBrush SetTextColor SetBkMode CreateRectRgn DeleteObject

oleaut32

GetErrorInfo SysStringLen SysFreeString SetErrorInfo

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

WakeByAddressSingle WaitOnAddress WakeByAddressAll

ole32

CoInitializeEx CoCreateInstance CoInitialize RevokeDragDrop RegisterDragDrop CoUninitialize OleInitialize

dwmapi

DwmGetWindowAttribute DwmEnableBlurBehindWindow DwmSetWindowAttribute

imm32

ImmGetCompositionStringW ImmReleaseContext ImmGetContext

shell32

ShellExecuteExW ILFree ShellExecuteW SHOpenFolderAndSelectItems ILCreateFromPathW DragQueryFileW SHAppBarMessage SHGetKnownFolderPath DragFinish SHGetStockIconInfo

combase

CoCreateFreeThreadedMarshaler CoTaskMemFree CoTaskMemAlloc

comctl32

DefSubclassProc SetWindowSubclass TaskDialogIndirect RemoveWindowSubclass

shlwapi

SHCreateMemStream

advapi32

RegCloseKey RegQueryValueExW RegOpenKeyExW RegGetValueW EventWriteTransfer EventSetInformation EventRegister EventUnregister

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

RoOriginateErrorW

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

pow trunc floor roundf round __setusermatherr

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

strcpy_s _wcsicmp wcscmp wcslen

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

wcstol _ultow_s _wtoi

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

_cexit _c_exit _register_thread_local_exe_atexit_callback _seh_filter_exe _set_app_type _configure_narrow_argv _initialize_onexit_table _register_onexit_function _crt_atexit terminate _initialize_narrow_environment _get_initial_narrow_environment _initterm abort _initterm_e exit __p___argc __p___argv _exit

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

_set_fmode __p__commode

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

_configthreadlocale

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

free calloc _callnewh malloc _set_new_mode