FoxCore[.]exe | Triage™

General

Target
FoxCore.exe
Size 99.6MB
Sample240608-k59czabe85
SHA256 01d439a600deb305a2102e1253b549d28e456ad0c57e9842b6889fc20e62c659
MD5 6c4adfc0b81eb0ff6a146b8901ff2022
SHA1 9d87247da2cace6e6d2467a0cfadcb08c35dafea
SHA512 41944f46ef2953c4a153907002cd0bacb4117a6737a2f09e3edfcf8ee33825d51d0ed5480f907254d32dc70a7cb37ce0fd2ba5ddadb1b66c321296b950b2777d
SSDEEP 3145728:z7WgmakAghejK8XPQHwfv6aZRYwgFa0RWYX:PRmakthejKhHwfv6aZywUD
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
FoxCore.exe

File Explorer

FoxCore.exe

.exe 99.6MB

FoxCore.exe

IMPHASH e2a1496c94d52a035fe47259ee6587b7
SHA256 01d439a600deb305a2102e1253b549d28e456ad0c57e9842b6889fc20e62c659
MD5 6c4adfc0b81eb0ff6a146b8901ff2022
SHA1 9d87247da2cace6e6d2467a0cfadcb08c35dafea
SHA512 41944f46ef2953c4a153907002cd0bacb4117a6737a2f09e3edfcf8ee33825d51d0ed5480f907254d32dc70a7cb37ce0fd2ba5ddadb1b66c321296b950b2777d
SSDEEP 3145728:z7WgmakAghejK8XPQHwfv6aZRYwgFa0RWYX:PRmakthejKhHwfv6aZywUD
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

2

Major OS version

5

Entry point

149424

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

D:\Projects\WinRAR\sfx\build\sfxrar64\Release\sfxrar.pdb

kernel32

GetLastError SetLastError FormatMessageW GetCurrentProcess DeviceIoControl SetFileTime CloseHandle CreateDirectoryW RemoveDirectoryW CreateFileW DeleteFileW CreateHardLinkW GetShortPathNameW GetLongPathNameW MoveFileW GetFileType GetStdHandle WriteFile ReadFile FlushFileBuffers SetEndOfFile SetFilePointer SetFileAttributesW GetFileAttributesW FindClose FindFirstFileW FindNextFileW GetVersionExW GetCurrentDirectoryW GetFullPathNameW FoldStringW GetModuleFileNameW GetModuleHandleW FindResourceW FreeLibrary GetProcAddress GetCurrentProcessId ExitProcess SetThreadExecutionState Sleep LoadLibraryW GetSystemDirectoryW CompareStringW AllocConsole FreeConsole AttachConsole WriteConsoleW GetProcessAffinityMask CreateThread SetThreadPriority InitializeCriticalSection EnterCriticalSection LeaveCriticalSection DeleteCriticalSection SetEvent ResetEvent ReleaseSemaphore WaitForSingleObject CreateEventW CreateSemaphoreW GetSystemTime SystemTimeToTzSpecificLocalTime TzSpecificLocalTimeToSystemTime SystemTimeToFileTime FileTimeToLocalFileTime LocalFileTimeToFileTime FileTimeToSystemTime GetCPInfo IsDBCSLeadByte MultiByteToWideChar WideCharToMultiByte GlobalAlloc LockResource GlobalLock GlobalUnlock GlobalFree LoadResource SizeofResource SetCurrentDirectoryW GetExitCodeProcess GetLocalTime GetTickCount MapViewOfFile UnmapViewOfFile CreateFileMappingW OpenFileMappingW GetCommandLineW SetEnvironmentVariableW ExpandEnvironmentStringsW GetTempPathW MoveFileExW GetLocaleInfoW GetTimeFormatW GetDateFormatW GetNumberFormatW SetFilePointerEx GetConsoleMode GetConsoleCP HeapSize SetStdHandle GetProcessHeap FreeEnvironmentStringsW RaiseException GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind IsDebuggerPresent UnhandledExceptionFilter SetUnhandledExceptionFilter GetStartupInfoW IsProcessorFeaturePresent QueryPerformanceCounter GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead RtlUnwindEx RtlPcToFileHeader EncodePointer InitializeCriticalSectionAndSpinCount TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW QueryPerformanceFrequency TerminateProcess GetModuleHandleExW GetModuleFileNameA GetACP HeapFree HeapAlloc HeapReAlloc GetStringTypeW LCMapStringW FindFirstFileExA FindNextFileA IsValidCodePage GetOEMCP GetCommandLineA GetEnvironmentStringsW

gdiplus

GdiplusShutdown GdiplusStartup GdipCreateHBITMAPFromBitmap GdipCreateBitmapFromStream GdipDisposeImage GdipCloneImage GdipFree GdipAlloc

Name

.text

Size

217KB

Virtual Size

217KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

64KB

Virtual Size

64KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

5KB

Virtual Size

145KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

10KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

1024B

Virtual Size

800B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

56KB

Virtual Size

56KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

FoxCore.exe

kernel32

gdiplus

generic