start_yara[.]exee | Triage™

General

Target
start_yara.exee
Size 4.6MB
Sample240910-j1bepstdmj
SHA256 bf2a11710eb16103afbcb200979c9a6de040a9b6d5e77bde5d6a93b5837aa6f1
MD5 90bacba6d4a481397d3a759f06bf7271
SHA1 bf0c904a0d72981e51ff575272203c03c8e3327a
SHA512 a6582bf8132cd1c3aba5a345e1fb79c255f187b6e68d7ea0dc0c34bd8596ac1462cf97beb5716ef5fd85f09436e61b1c2b03f690f9e7198d8666a3b03c9e4ad7
SSDEEP 98304:VllLJqs6/is/bhFAf5lx7pll23uog6rbre/Zs/z1rzN:VlusXs/bhC17HzD66xs/z1rB
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
start_yara.exee

File Explorer

start_yara.exee

.exe 4.6MB

start_yara.exee

IMPHASH 91e96141ed5dbe3bc541c8aad7ff3c38
SHA256 bf2a11710eb16103afbcb200979c9a6de040a9b6d5e77bde5d6a93b5837aa6f1
MD5 90bacba6d4a481397d3a759f06bf7271
SHA1 bf0c904a0d72981e51ff575272203c03c8e3327a
SHA512 a6582bf8132cd1c3aba5a345e1fb79c255f187b6e68d7ea0dc0c34bd8596ac1462cf97beb5716ef5fd85f09436e61b1c2b03f690f9e7198d8666a3b03c9e4ad7
SSDEEP 98304:VllLJqs6/is/bhFAf5lx7pll23uog6rbre/Zs/z1rzN:VlusXs/bhC17HzD66xs/z1rB
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

1

Major OS version

5

Entry point

89056

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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_32BIT_MACHINE

PDB paths

D:\Projects\WinRAR\sfx\build\sfxzip32\Release\sfxzip.pdb

kernel32

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

oleaut32

VariantClear

gdiplus

GdiplusStartup GdipCreateHBITMAPFromBitmap GdipCreateBitmapFromStreamICM GdiplusShutdown GdipCreateBitmapFromStream GdipDisposeImage GdipCloneImage GdipFree GdipAlloc

Name

.text

Size

159KB

Virtual Size

158KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

42KB

Virtual Size

41KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

4KB

Virtual Size

215KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didat

Size

512B

Virtual Size

352B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

56KB

Virtual Size

56KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

10KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

start_yara.exee

kernel32

oleaut32

gdiplus

generic