b4b19d78dc58f23e2ecb410af891a9a9[.]exe

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General

Target
b4b19d78dc58f23e2ecb410af891a9a9.exe
Size 484KB
Sample250218-drywrawqdn
SHA256 ca912d6c76152192dd0e1ce436ff328ae29973b912919cbb398dc7efd412ecfe
MD5 b4b19d78dc58f23e2ecb410af891a9a9
SHA1 e4f45af546acc0b2d9d7bfb0deafa656bddb4b9e
SHA512 64e8f31716b6438bcf600421da28c6519980ea92dde44a294a19b9d12b0c5a212f18258bb10f894e93c654ebf6e6fb6dd4337ab0de3a5c0011ecf91b778f28af
SSDEEP 12288:QLMEalqxXblqoRX5qbfphLxaO3qX+t4+K:cqaXNabfphLxa4w+K
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b4b19d78dc58f23e2ecb410af891a9a9.exe

File Explorer

b4b19d78dc58f23e2ecb410af891a9a9.exe

.exe 484KB

b4b19d78dc58f23e2ecb410af891a9a9.exe

IMPHASH b1c5b1beabd90d9fdabd1df0779ea832
SHA256 ca912d6c76152192dd0e1ce436ff328ae29973b912919cbb398dc7efd412ecfe
MD5 b4b19d78dc58f23e2ecb410af891a9a9
SHA1 e4f45af546acc0b2d9d7bfb0deafa656bddb4b9e
SHA512 64e8f31716b6438bcf600421da28c6519980ea92dde44a294a19b9d12b0c5a212f18258bb10f894e93c654ebf6e6fb6dd4337ab0de3a5c0011ecf91b778f28af
SSDEEP 12288:QLMEalqxXblqoRX5qbfphLxaO3qX+t4+K:cqaXNabfphLxa4w+K
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

207680

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

LocalFree GetLastError SetLastError FormatMessageW GetCurrentProcess DeviceIoControl SetFileTime CloseHandle RemoveDirectoryW CreateFileW DeleteFileW CreateHardLinkW GetShortPathNameW GetLongPathNameW MoveFileW GetFileType GetStdHandle WriteFile ReadFile FlushFileBuffers SetEndOfFile SetFilePointer GetCurrentProcessId CreateDirectoryW SetFileAttributesW GetFileAttributesW FindClose FindFirstFileW FindNextFileW GetVersionExW GetModuleFileNameW SetCurrentDirectoryW GetCurrentDirectoryW GetFullPathNameW FoldStringW GetModuleHandleW FindResourceW FreeLibrary GetProcAddress ExpandEnvironmentStringsW 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 GlobalMemoryStatusEx LoadResource SizeofResource GetTimeFormatW GetDateFormatW GetExitCodeProcess GetLocalTime GetTickCount MapViewOfFile UnmapViewOfFile CreateFileMappingW OpenFileMappingW GetCommandLineW SetEnvironmentVariableW GetTempPathW MoveFileExW GetLocaleInfoW GetNumberFormatW SetFilePointerEx GetConsoleMode GetConsoleCP HeapSize SetStdHandle GetProcessHeap FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineA GetOEMCP IsValidCodePage FindNextFileA RaiseException GetSystemInfo VirtualProtect VirtualQuery LoadLibraryExA RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter TerminateProcess IsProcessorFeaturePresent InitializeCriticalSectionAndSpinCount WaitForSingleObjectEx IsDebuggerPresent GetStartupInfoW QueryPerformanceCounter GetCurrentThreadId GetSystemTimeAsFileTime InitializeSListHead RtlPcToFileHeader RtlUnwindEx EncodePointer TlsAlloc TlsGetValue TlsSetValue TlsFree LoadLibraryExW QueryPerformanceFrequency GetModuleHandleExW GetModuleFileNameA GetACP HeapFree HeapAlloc GetStringTypeW HeapReAlloc LCMapStringW FindFirstFileExA

oleaut32

SysAllocString SysFreeString VariantClear

gdiplus

GdipCloneImage GdipFree GdipDisposeImage GdipCreateBitmapFromStream GdipCreateHBITMAPFromBitmap GdiplusStartup GdiplusShutdown GdipAlloc

Name

.text

Size

281KB

Virtual Size

280KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

74KB

Virtual Size

74KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

49KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

12KB

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

_RDATA

Size

512B

Virtual Size

348B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

57KB

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

b4b19d78dc58f23e2ecb410af891a9a9.exe

kernel32

oleaut32

gdiplus

generic