ApertureExternal[.]exe

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General

Target
ApertureExternal.exe
Size 8.3MB
Sample261024-tgj8lsay21
SHA256 26fb6d85b9e6ffc9abd6adbe3b0a40a73849c424b0cff440182903f533a1a725
MD5 b956047df04cba4afff369f061ac4196
SHA1 9eb0d84728cfc8bcee536663beaaa20cafe801df
SHA512 2d63235f0e5c8f91e8c001a13727887df9beb9c18f723fb34dc67cbb5db727c85758cb18073c4c5b9559f8f882a10bcaa417021ad03d7ade05a4a709569ddd79
SSDEEP 98304:TMC6fQ3qkGuoSp0Rt/2Ai9lxw/iCKq+VONBl2OHZNewyvfPBWVnvnto9VGt3nne3:oZ4auoSp+9HZNewyXCn/to9V4nh57i
TLSH
T150969E43F26290FCC22AC175D25AB233FA327C5D093179AB57E49B303EA5B606B1DB54
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ApertureExternal.exe

File Explorer

ApertureExternal.exe

.exe 8.3MB

ApertureExternal.exe

IMPHASH 76dc3ce9563bb60c061902467520cb68
SHA256 26fb6d85b9e6ffc9abd6adbe3b0a40a73849c424b0cff440182903f533a1a725
MD5 b956047df04cba4afff369f061ac4196
SHA1 9eb0d84728cfc8bcee536663beaaa20cafe801df
SHA512 2d63235f0e5c8f91e8c001a13727887df9beb9c18f723fb34dc67cbb5db727c85758cb18073c4c5b9559f8f882a10bcaa417021ad03d7ade05a4a709569ddd79
SSDEEP 98304:TMC6fQ3qkGuoSp0Rt/2Ai9lxw/iCKq+VONBl2OHZNewyvfPBWVnvnto9VGt3nne3:oZ4auoSp+9HZNewyXCn/to9V4nh57i
TLSH
T150969E43F26290FCC22AC175D25AB233FA327C5D093179AB57E49B303EA5B606B1DB54
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4144

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_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

kernel32

DeleteCriticalSection EnterCriticalSection InitializeCriticalSection LeaveCriticalSection RaiseException RtlUnwindEx VirtualProtect VirtualQuery __C_specific_handler CloseHandle GetLastError GetModuleHandleA GetProcAddress Sleep CompareStringOrdinal DuplicateHandle ExitProcess FlsAlloc FlsFree FlsSetValue FormatMessageW FreeLibrary GetCurrentProcess GetCurrentThread GetCurrentThreadId GetExitCodeProcess GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetProcessHeap GetSystemDirectoryW GetSystemInfo GetSystemTimePreciseAsFileTime GetUserDefaultUILanguage GetWindowsDirectoryW HeapAlloc HeapFree HeapReAlloc InitOnceBeginInitialize InitOnceComplete IsThreadAFiber LCIDToLocaleName LoadLibraryA LoadLibraryExA LoadLibraryExW LoadLibraryW MapViewOfFile MultiByteToWideChar ReleaseMutex RtlLookupFunctionEntry SetHandleInformation SetLastError SetThreadErrorMode SetThreadStackGuarantee SetWaitableTimer SleepEx SwitchToThread TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnmapViewOfFile WaitForSingleObject lstrlenW CancelIoEx CreateDirectoryW CreateFileW CreateIoCompletionPort CreateMutexW CreateProcessW CreateThread CreateWaitableTimerExW FindClose FindFirstFileExW FindNextFileW GetConsoleMode GetConsoleOutputCP GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFinalPathNameByHandleW GetFullPathNameW GetOverlappedResult GetQueuedCompletionStatusEx GetStdHandle GetTempPathW PostQueuedCompletionStatus ReadFile ReadFileEx SetFileCompletionNotificationModes SetFileInformationByHandle SetFileTime WriteConsoleW WriteFile WriteFileEx AddVectoredExceptionHandler CreateFileMappingA CreateToolhelp32Snapshot FreeEnvironmentStringsW GetCommandLineW GetCurrentDirectoryW GetEnvironmentStringsW GetEnvironmentVariableW Module32FirstW Module32NextW QueryPerformanceCounter QueryPerformanceFrequency RtlCaptureContext RtlVirtualUnwind SetEnvironmentVariableW SetUnhandledExceptionFilter

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

__p__environ

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

_set_new_mode calloc free malloc

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

_configthreadlocale

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

__setusermatherr floor log pow round roundf trunc

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

memcmp memcpy memmove

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

__p___argc __p___argv _cexit _configure_narrow_argv _crt_atexit _exit _fpreset _initialize_narrow_environment _set_app_type _initterm _initterm_e _set_invalid_parameter_handler abort exit signal

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

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf fflush setvbuf

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

memset strlen strncmp wcslen

ntdll

NtCreateNamedPipeFile RtlNtStatusToDosError NtCancelIoFileEx NtCreateFile NtDeviceIoControlFile NtOpenFile NtWriteFile RtlGetVersion

webview2loader

CreateCoreWebView2EnvironmentWithOptions GetAvailableCoreWebView2BrowserVersionString

bcryptprimitives

ProcessPrng

advapi32

RegGetValueW

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

WaitOnAddress WakeByAddressAll WakeByAddressSingle

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

RoOriginateErrorW

combase

CoCreateFreeThreadedMarshaler CoTaskMemAlloc CoTaskMemFree

comctl32

DefSubclassProc RemoveWindowSubclass SetWindowSubclass TaskDialogIndirect

dwmapi

DwmEnableBlurBehindWindow DwmGetWindowAttribute DwmSetWindowAttribute

gdi32

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

imm32

ImmGetCompositionStringW ImmGetContext ImmReleaseContext

ole32

CoCreateInstance CoInitializeEx CoUninitialize OleInitialize RegisterDragDrop RevokeDragDrop

oleaut32

GetErrorInfo SetErrorInfo SysFreeString SysStringLen

shell32

DragFinish DragQueryFileW SHAppBarMessage SHGetKnownFolderPath SHGetStockIconInfo ShellExecuteW

shlwapi

SHCreateMemStream

user32

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

ws2_32

WSACleanup WSAGetLastError WSAIoctl WSASend WSASocketW WSAStartup bind closesocket connect freeaddrinfo getaddrinfo getpeername getsockname getsockopt ioctlsocket recv send setsockopt shutdown

Name

.text

Size

4.5MB

Virtual Size

4.5MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

11KB

Virtual Size

11KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

3.5MB

Virtual Size

3.5MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.eh_fram

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

69KB

Virtual Size

69KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

104KB

Virtual Size

103KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

15KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

91KB

Virtual Size

90KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

19KB

Virtual Size

19KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

ApertureExternal.exe

kernel32

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

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

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

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

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

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

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

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

ntdll

webview2loader

bcryptprimitives

advapi32

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

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

combase

comctl32

dwmapi

gdi32

imm32

ole32

oleaut32

shell32

shlwapi

user32

ws2_32

generic