Wurst_Installer[.]exe

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General

Target
Wurst_Installer.exe
Size 7.5MB
Sample240416-brdvgaff2v
SHA256 096111210234dc3917b632a0d8e1958fbbf7a9124ee1e8948fb74cb3c65fbbf0
MD5 df6c57f4fe366f4ca90052b68398cae2
SHA1 e08dc7d005e014071561cbc93232c01c4475f261
SHA512 04e8260460898d5d2f353def0e83215a3da8f5da796386fc2d8ac84ec1e9bf3cbcd34f9c705ebb9c7473cda0114d62aeb77d71dc7b4013dcfabe5e833b359e04
SSDEEP 196608:tdgkqiCs/SeKQ0o8hFX52x9gAD60YOAHWH1:Hqev0oyF8wU2nWH1
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Wurst_Installer.exe

File Explorer

Wurst_Installer.exe

.exe 7.5MB

Wurst_Installer.exe

IMPHASH e8a30656287fe831c9782204ed10cd68
SHA256 096111210234dc3917b632a0d8e1958fbbf7a9124ee1e8948fb74cb3c65fbbf0
MD5 df6c57f4fe366f4ca90052b68398cae2
SHA1 e08dc7d005e014071561cbc93232c01c4475f261
SHA512 04e8260460898d5d2f353def0e83215a3da8f5da796386fc2d8ac84ec1e9bf3cbcd34f9c705ebb9c7473cda0114d62aeb77d71dc7b4013dcfabe5e833b359e04
SSDEEP 196608:tdgkqiCs/SeKQ0o8hFX52x9gAD60YOAHWH1:Hqev0oyF8wU2nWH1
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

157008

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\sfxzip64\Release\sfxzip.pdb

kernel32

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

oleaut32

SysAllocString SysFreeString VariantClear

gdiplus

GdipCloneImage GdipAlloc GdipDisposeImage GdipCreateBitmapFromStream GdipCreateHBITMAPFromBitmap GdiplusStartup GdiplusShutdown GdipFree

Name

.text

Size

230KB

Virtual Size

229KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

68KB

Virtual Size

68KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

115KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

11KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

1024B

Virtual Size

776B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

_RDATA

Size

512B

Virtual Size

348B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

219KB

Virtual Size

218KB

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

Wurst_Installer.exe

kernel32

oleaut32

gdiplus

generic