wx[.]exe | Triage™

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General

Target
wx.exe
Size 16.8MB
Sample261017-lesszaeb73
SHA256 4f5f8b3dfc7b82628e6cc4dbf9b6a18017c8f2eda0b74e5c9609236f298b1f2e
MD5 190b666ba44eae3b46d4cdc6f2b72e75
SHA1 f2208a2ca4f82885ad6b6e5004999bb575f5c14c
SHA512 64e6ff09d87494c5e7c6dda158f99dcd9fb306c7b1e0e42d86b26cce70544f4bce5d48e773f1f9d7fdaf4d34bbefc69c3b6d8d85679741ec63c9e78272d47ba3
SSDEEP 393216:5Mos0jHo7L2RGiOHb3AlrIsqiq7UDRgkP638sItBwMG4m2RU:KvMon2RGiAb3OrRq/7EgXoPZFU
TLSH
T11F073309C7F101F4D8B76074CDD78812EA7678191B72EBAF03906E925E0B5E49F39B62
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
wx.exe

File Explorer

wx.exe

.exe 16.8MB

wx.exe

IMPHASH 2057790ae7855765d51bdc4142e62f9c
SHA256 4f5f8b3dfc7b82628e6cc4dbf9b6a18017c8f2eda0b74e5c9609236f298b1f2e
MD5 190b666ba44eae3b46d4cdc6f2b72e75
SHA1 f2208a2ca4f82885ad6b6e5004999bb575f5c14c
SHA512 64e6ff09d87494c5e7c6dda158f99dcd9fb306c7b1e0e42d86b26cce70544f4bce5d48e773f1f9d7fdaf4d34bbefc69c3b6d8d85679741ec63c9e78272d47ba3
SSDEEP 393216:5Mos0jHo7L2RGiOHb3AlrIsqiq7UDRgkP638sItBwMG4m2RU:KvMon2RGiAb3OrRq/7EgXoPZFU
TLSH
T11F073309C7F101F4D8B76074CDD78812EA7678191B72EBAF03906E925E0B5E49F39B62
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

211968

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

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

oleaut32

SysAllocString SysFreeString

gdiplus

GdipCloneImage GdipFree GdipDisposeImage GdipCreateBitmapFromStream GdipCreateHBITMAPFromBitmap GdiplusStartup GdiplusShutdown GdipAlloc

Name

.text

Size

306KB

Virtual Size

305KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

85KB

Virtual Size

84KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

7KB

Virtual Size

57KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

13KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

1024B

Virtual Size

864B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.fptable

Size

512B

Virtual Size

256B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

23KB

Virtual Size

22KB

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

wx.exe

kernel32

oleaut32

gdiplus

generic