solarabootstraper[.]exe

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General

Target
solarabootstraper.exe
Size 497KB
Sample240625-vpd71avfjk
SHA256 d0452f63e207ead4ba0828fba9cd46d54c08906ac3f35f1c0b27dda2d60fbc83
MD5 48258af1b1134dffa388c6f2590325c3
SHA1 e2fa6a4351d7b358e6b20e9194b63b54751458d4
SHA512 1eeceefb8843f72b55e1b517039ab53cd72af3bb294fe9b06ce0a6207749506bf299cd913a4a1088ffa002069821d346ec3fc045fa701014110beec03d7d208c
SSDEEP 12288:4yveQB/fTHIGaPkKEYzURNA/bAgzfCxS6PZXOB4:4uDXTIGaPhEYzUzAT4SwZXv
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
solarabootstraper.exe

File Explorer

solarabootstraper.exe

.exe 497KB

solarabootstraper.exe

IMPHASH b1c5b1beabd90d9fdabd1df0779ea832
SHA256 d0452f63e207ead4ba0828fba9cd46d54c08906ac3f35f1c0b27dda2d60fbc83
MD5 48258af1b1134dffa388c6f2590325c3
SHA1 e2fa6a4351d7b358e6b20e9194b63b54751458d4
SHA512 1eeceefb8843f72b55e1b517039ab53cd72af3bb294fe9b06ce0a6207749506bf299cd913a4a1088ffa002069821d346ec3fc045fa701014110beec03d7d208c
SSDEEP 12288:4yveQB/fTHIGaPkKEYzURNA/bAgzfCxS6PZXOB4:4uDXTIGaPhEYzUzAT4SwZXv
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

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

78KB

Virtual Size

77KB

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

solarabootstraper.exe

kernel32

oleaut32

gdiplus

generic