WinRarInstall[.]exe

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General

Target
WinRarInstall.exe
Size 2.5MB
Sample250406-gey8javps7
SHA256 2eb373cbb792fae5bcbea81bc4f2e514e8ecb338ab963b8ef1c48b0ed4783c2b
MD5 b324177947fd4d6faf4b2b313b069571
SHA1 518e7b567494dbf8b01a8f9f7829b7474df67e8b
SHA512 dfb509634dd30a4a657d560c37f61a7be2eb790e023ad63c0617df19ea3a0e60e4bee1dc27c0708aa2737218ad35b82ae8a60417394fa20900ae6435a1dc4290
SSDEEP 49152:fDjlabwz9tdiOqeEadJ1VQ7zu/sSpBPPzbhmBOBfJXA33XlBaAyBSJtQd3i/7Vdm:rqwLdiOqeEadJ1VQ7zuRN8BOBfKHXSB3
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
WinRarInstall.exe

File Explorer

WinRarInstall.exe

.exe 2.5MB

WinRarInstall.exe

IMPHASH b1c5b1beabd90d9fdabd1df0779ea832
SHA256 2eb373cbb792fae5bcbea81bc4f2e514e8ecb338ab963b8ef1c48b0ed4783c2b
MD5 b324177947fd4d6faf4b2b313b069571
SHA1 518e7b567494dbf8b01a8f9f7829b7474df67e8b
SHA512 dfb509634dd30a4a657d560c37f61a7be2eb790e023ad63c0617df19ea3a0e60e4bee1dc27c0708aa2737218ad35b82ae8a60417394fa20900ae6435a1dc4290
SSDEEP 49152:fDjlabwz9tdiOqeEadJ1VQ7zu/sSpBPPzbhmBOBfJXA33XlBaAyBSJtQd3i/7Vdm:rqwLdiOqeEadJ1VQ7zuRN8BOBfKHXSB3
MD5 SHA1 SHA512 SSDEEP

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

208608

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

282KB

Virtual Size

281KB

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

57KB

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

23KB

Virtual Size

23KB

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

WinRarInstall.exe

kernel32

oleaut32

gdiplus

generic