2026-07-11_37609bfe7a854596e3202bbfcb4c1b5f_mespinoza

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General

Target
2026-07-11_37609bfe7a854596e3202bbfcb4c1b5f_mespinoza
Size 276KB
Sample260711-2p86psc18t
SHA256 39543167c674012ef09cca6e1fc1b10ab892759af0955eefdc4f0f68a3e4c662
MD5 37609bfe7a854596e3202bbfcb4c1b5f
SHA1 7b1f8b4dfff9881ff28a97a6f7a9aa66fa85791c
SHA512 98610e96ca0d20f6a4eaa300fd0a56de74aaea6b19b158cd2f95fb70be2b9b8210589bc9dbb1bb986dddee2045ccbc51d883048de89811c432e8043f029cba8e
SSDEEP 6144:2jSPs9a2ew/nkNZEfVIagzfyo2svEb8SZ9P8633+D:2GPs9Tew/kNa9lg2o2s8p9P8s+D
TLSH
T143548D9EB7A05CF2D6938235C9519672F6B2B8A55E20CB0F1271C77F6F23660ED28311
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-07-11_37609bfe7a854596e3202bbfcb4c1b5f_mespinoza

File Explorer

2026-07-11_37609bfe7a854596e3202bbfcb4c1b5f_mespinoza

.exe 276KB

2026-07-11_37609bfe7a854596e3202bbfcb4c1b5f_mespinoza

IMPHASH 354b502a18753a5396ed0bdf24e61923
SHA256 39543167c674012ef09cca6e1fc1b10ab892759af0955eefdc4f0f68a3e4c662
MD5 37609bfe7a854596e3202bbfcb4c1b5f
SHA1 7b1f8b4dfff9881ff28a97a6f7a9aa66fa85791c
SHA512 98610e96ca0d20f6a4eaa300fd0a56de74aaea6b19b158cd2f95fb70be2b9b8210589bc9dbb1bb986dddee2045ccbc51d883048de89811c432e8043f029cba8e
SSDEEP 6144:2jSPs9a2ew/nkNZEfVIagzfyo2svEb8SZ9P8633+D:2GPs9Tew/kNa9lg2o2s8p9P8s+D
TLSH
T143548D9EB7A05CF2D6938235C9519672F6B2B8A55E20CB0F1271C77F6F23660ED28311
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

46140

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

P:\Target\x64\ship\oneaddins\x-none\iecontentservice.pdb

vcruntime140

__std_exception_copy __std_exception_destroy __telemetry_main_invoke_trigger __telemetry_main_return_trigger __C_specific_handler __vcrt_InitializeCriticalSectionEx memset memmove wcschr wcsrchr memcpy memcmp __std_terminate __CxxFrameHandler3 _CxxThrowException wcsstr

api-ms-win-crt-runtime-l1-1-0

_invalid_parameter_noinfo_noreturn _errno _configure_narrow_argv _initterm _invalid_parameter_noinfo _initialize_narrow_environment _initterm_e exit _crt_atexit _register_onexit_function _initialize_onexit_table terminate _exit _seh_filter_exe _set_app_type _register_thread_local_exe_atexit_callback _c_exit _cexit _get_narrow_winmain_command_line

api-ms-win-crt-string-l1-1-0

strncpy_s _wcsicmp wcscpy_s isdigit wcscmp wcsncpy_s

api-ms-win-crt-heap-l1-1-0

realloc free _recalloc malloc _set_new_mode

api-ms-win-crt-stdio-l1-1-0

__p__commode __stdio_common_vswprintf_s __stdio_common_vsnprintf_s __stdio_common_vswprintf _set_fmode

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale __initialize_lconv_for_unsigned_char

kernel32

EncodePointer LoadLibraryExA VirtualQuery GetSystemInfo LCIDToLocaleName GetLongPathNameW GetUserDefaultLocaleName IsValidCodePage GetShortPathNameA GetModuleFileNameA WideCharToMultiByte OutputDebugStringW GetCommandLineW DecodePointer CloseHandle RaiseException GetLastError EnterCriticalSection LeaveCriticalSection InitializeCriticalSectionEx DeleteCriticalSection Sleep OpenProcess CreateFileMappingW OpenFileMappingW FreeLibrary GetModuleFileNameW GetModuleHandleW GetProcAddress LoadLibraryExW LoadResource SizeofResource FindResourceW GlobalFree lstrcmpiW MultiByteToWideChar QueryPerformanceCounter GetProcessHeap HeapSetInformation GetCurrentProcessId GetCurrentThreadId GetSystemTimeAsFileTime GetTickCount VirtualProtect WerRegisterMemoryBlock HeapAlloc HeapFree RtlCaptureContext RtlLookupFunctionEntry RtlVirtualUnwind UnhandledExceptionFilter SetUnhandledExceptionFilter GetCurrentProcess TerminateProcess IsProcessorFeaturePresent SetEvent ResetEvent WaitForSingleObjectEx CreateEventW InitializeSListHead IsDebuggerPresent GetStartupInfoW FlsAlloc FlsFree GetStringTypeExW SetLastError CompareStringEx

gdiplus

GdipCreateBitmapFromHBITMAP GdipGetImageThumbnail GdipGetImageEncodersSize GdipSaveImageToStream GdipDisposeImage GdipCloneImage GdiplusShutdown GdiplusStartup GdipFree GdipAlloc GdipGetImageEncoders

msvcp140

?_Xout_of_range@std@@YAXPEBD@Z _Thrd_sleep _Xtime_get_ticks ?_Xbad_function_call@std@@YAXXZ ?_Xlength_error@std@@YAXPEBD@Z ?_Xbad_alloc@std@@YAXXZ

Name

.text

Size

157KB

Virtual Size

156KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

55KB

Virtual Size

55KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

7KB

Virtual Size

14KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

9KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-07-11_37609bfe7a854596e3202bbfcb4c1b5f_mespinoza

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

kernel32

gdiplus

msvcp140

generic