rostrap[.]exe | Triage™

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General

Target
rostrap.exe
Size 3.8MB
Sample240713-ychansvarp
SHA256 6e97a3afc6580f3ca0f17a61ee98350d3d3be791bd4c9c3428926e3f40e199be
MD5 3da3fa7ef74e6912844e3b7eea44c475
SHA1 b8078c6b01a37c6b3bce3bd93eb11b8d5b88d37e
SHA512 a64cc30dd4f1c44f630bd91ffa6426ddc9af94fc85d40c7c30ec1869748b828362be4efadb6e54fc21f739217d1d587c24d37225f72a0dc4ed09a4a296e99136
SSDEEP 98304:O3GM47lTHdcFcNQBUb4vzWsyQj0jvDeug4WGR/JvY3csQ:O3GTp9ZyS8asyQjaLeugYR/JicsQ
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rostrap.exe

File Explorer

rostrap.exe

.exe 3.8MB

rostrap.exe

IMPHASH b1c5b1beabd90d9fdabd1df0779ea832
SHA256 6e97a3afc6580f3ca0f17a61ee98350d3d3be791bd4c9c3428926e3f40e199be
MD5 3da3fa7ef74e6912844e3b7eea44c475
SHA1 b8078c6b01a37c6b3bce3bd93eb11b8d5b88d37e
SHA512 a64cc30dd4f1c44f630bd91ffa6426ddc9af94fc85d40c7c30ec1869748b828362be4efadb6e54fc21f739217d1d587c24d37225f72a0dc4ed09a4a296e99136
SSDEEP 98304:O3GM47lTHdcFcNQBUb4vzWsyQj0jvDeug4WGR/JvY3csQ:O3GTp9ZyS8asyQjaLeugYR/JicsQ
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

208480

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

284KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

74KB

Virtual Size

76KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

6KB

Virtual Size

60KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

12KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.didat

Size

1024B

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

_RDATA

Size

512B

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

73KB

Virtual Size

73KB

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

rostrap.exe

kernel32

oleaut32

gdiplus

generic