2026-09-30_bbcb671824d3ef13681e59d267f27808_elex_mespinoza

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General

Target
2026-09-30_bbcb671824d3ef13681e59d267f27808_elex_mespinoza
Size 1001KB
Sample261001-hx2xtavzhy
SHA256 a14393b6c5888de398a6f05bab6544c14eeefb88f217eeb143ea11c34b83d225
MD5 bbcb671824d3ef13681e59d267f27808
SHA1 ebcee7faf7caef9d667a11351b7d618d13ee5206
SHA512 ccac82d8a66fd7aefd38553dbbca7f0c1d95231b29fc6f3ffa0afe4b915b8af2f2d094f9cf6ba433959107c018752b1915bef6c55f269f37ac80f4af1a63a24d
SSDEEP 24576:VlM0neCBd4q6zq2/SmEhBwpemIwpefBxKDYEZkiedT32p:Bf6zqXmnpeapefLeXp
TLSH
T1B925BF81222DBB3DCCD310B03ADD763BA27A1D492B2445DF17E1AEF99D122C216BD91D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

Malware Config

Signatures

Detects executables packed with VMProtect. 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_VMProtect

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-09-30_bbcb671824d3ef13681e59d267f27808_elex_mespinoza

File Explorer

2026-09-30_bbcb671824d3ef13681e59d267f27808_elex_mespinoza

.exe 1001KB

2026-09-30_bbcb671824d3ef13681e59d267f27808_elex_mespinoza

IMPHASH 96a04b689eac55d2ce88e469ce9d0b0e
SHA256 a14393b6c5888de398a6f05bab6544c14eeefb88f217eeb143ea11c34b83d225
MD5 bbcb671824d3ef13681e59d267f27808
SHA1 ebcee7faf7caef9d667a11351b7d618d13ee5206
SHA512 ccac82d8a66fd7aefd38553dbbca7f0c1d95231b29fc6f3ffa0afe4b915b8af2f2d094f9cf6ba433959107c018752b1915bef6c55f269f37ac80f4af1a63a24d
SSDEEP 24576:VlM0neCBd4q6zq2/SmEhBwpemIwpefBxKDYEZkiedT32p:Bf6zqXmnpeapefLeXp
TLSH
T1B925BF81222DBB3DCCD310B03ADD763BA27A1D492B2445DF17E1AEF99D122C216BD91D
MD5 SHA1 SHA512 SSDEEP TLSH

Detects executables packed with VMProtect.
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

248640

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE

PDB paths

/builds/worker/workspace/obj-build/browser/app/firefox.pdb

mozglue

??2@YAPAXI@Z ??3@YAXPAX@Z ??3@YAXPAXI@Z ??_U@YAPAXI@Z ??_V@YAXPAX@Z ?BeginProcessRuntimeInit@detail@mscom@mozilla@@YAAA_NXZ ?DllBlocklist_Initialize@@YAXI@Z ?DllBlocklist_SetBasicDllServices@@YAXPAVDllServicesBase@detail@glue@mozilla@@@Z ?DllBlocklist_SetFullDllServices@@YAXPAVDllServicesBase@detail@glue@mozilla@@@Z ?EndProcessRuntimeInit@detail@mscom@mozilla@@YAXXZ ?GetProfilingStack@AutoProfilerLabel@baseprofiler@mozilla@@SAPAVProfilingStack@23@XZ ?IsWin32kLockedDown@mozilla@@YA_NXZ ?MapRemoteViewOfFile@mozilla@@YAPAXPAX0_K0KKK@Z ?Now@TimeStamp@mozilla@@CA?AV12@_N@Z ?ensureCapacitySlow@ProfilingStack@baseprofiler@mozilla@@AAEXXZ ?gTwoCharEscapes@detail@mozilla@@3QBDB ?profiler_init@baseprofiler@mozilla@@YAXPAX@Z ?profiler_shutdown@baseprofiler@mozilla@@YAXXZ _wcsdup free malloc moz_xmalloc mozalloc_abort realloc strdup

advapi32

AccessCheck CheckTokenMembership ConvertSidToStringSidW ConvertStringSecurityDescriptorToSecurityDescriptorW ConvertStringSidToSidW CopySid CreateProcessAsUserW CreateRestrictedToken CreateWellKnownSid DeregisterEventSource DuplicateToken DuplicateTokenEx EqualSid FreeSid GetAce GetKernelObjectSecurity GetLengthSid GetNamedSecurityInfoW GetSecurityDescriptorSacl GetSecurityInfo GetSidSubAuthority GetSidSubAuthorityCount GetTokenInformation ImpersonateLoggedOnUser InitializeSecurityDescriptor InitializeSid IsValidSid LookupPrivilegeValueW MapGenericMask OpenProcessToken RegCloseKey RegCreateKeyExW RegDeleteValueW RegDisablePredefinedCache RegGetValueW RegOpenKeyExW RegQueryValueExW RegSetValueExW RegisterEventSourceW ReportEventW RevertToSelf SetEntriesInAclW SetKernelObjectSecurity SetSecurityDescriptorDacl SetSecurityDescriptorGroup SetSecurityDescriptorOwner SetSecurityInfo SetThreadToken SetTokenInformation SystemFunction036

ntdll

NtOpenFile NtQueryInformationProcess NtQueryVirtualMemory NtUnmapViewOfSection RtlAcquireSRWLockExclusive RtlAcquireSRWLockShared RtlAllocateHeap RtlCaptureStackBackTrace RtlCompareMemory RtlCompareUnicodeString RtlDuplicateUnicodeString RtlEqualUnicodeString RtlFreeHeap RtlFreeUnicodeString RtlGetVersion RtlInitUnicodeString RtlNtStatusToDosError RtlQueryPerformanceCounter RtlReAllocateHeap RtlReleaseSRWLockExclusive RtlReleaseSRWLockShared RtlRunOnceExecuteOnce RtlSetLastWin32Error VerSetConditionMask memcmp memcpy memmove memset

msvcp140

??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ ??0ios_base@std@@IAE@XZ ??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ ??1ios_base@std@@UAE@XZ ??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@G@Z ??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z ??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@I@Z ??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@K@Z ??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@PBX@Z ??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@_J@Z ?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ ?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ ?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ ?_Xlength_error@std@@YAXPBD@Z ?_Xout_of_range@std@@YAXPBD@Z ?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z ?fail@ios_base@std@@QBE_NXZ ?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ ?good@ios_base@std@@QBE_NXZ ?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z ?init@?$basic_ios@DU?$char_traits@D@std@@@std@@IAEXPAV?$basic_streambuf@DU?$char_traits@D@std@@@2@_N@Z ?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z ?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ ?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z ?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ ?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ ?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z ?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z

kernel32

AcquireSRWLockExclusive AssignProcessToJobObject AttachConsole CloseHandle CreateEventW CreateFileMappingA CreateFileMappingW CreateFileW CreateIoCompletionPort CreateJobObjectW CreateMutexW CreateNamedPipeW CreateProcessW CreateRemoteThread CreateThread CreateToolhelp32Snapshot DebugBreak DeleteCriticalSection DeleteFileW DeleteProcThreadAttributeList DuplicateHandle EncodePointer EnterCriticalSection EnumSystemLocalesEx ExpandEnvironmentStringsW FlushInstructionCache FreeEnvironmentStringsW FreeLibrary GetCurrentDirectoryW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetEnvironmentStringsW GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileInformationByHandle GetFileInformationByHandleEx GetFileType GetLastError GetLongPathNameW GetModuleFileNameW GetModuleHandleA GetModuleHandleExW GetModuleHandleW GetNativeSystemInfo GetProcAddress GetProcessHandleCount GetProcessHeaps GetProcessId GetQueuedCompletionStatus GetStdHandle GetSystemInfo GetSystemTimeAsFileTime GetThreadId GetTickCount GetUserDefaultLCID GetUserDefaultLangID GetUserDefaultLocaleName GetVersionExW GetVolumePathNameW GlobalMemoryStatusEx HeapDestroy HeapSetInformation InitOnceExecuteOnce InitializeCriticalSection InitializeCriticalSectionAndSpinCount InitializeCriticalSectionEx InitializeProcThreadAttributeList InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent LeaveCriticalSection LoadLibraryExA LoadLibraryExW LoadLibraryW LocalFree MapViewOfFile Module32FirstW Module32NextW MultiByteToWideChar OpenProcess OutputDebugStringA PostQueuedCompletionStatus ProcessIdToSessionId QueryFullProcessImageNameW QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadFile ReadProcessMemory RegisterWaitForSingleObject ReleaseSRWLockExclusive ResetEvent ResumeThread SearchPathW SetDllDirectoryW SetEnvironmentVariableW SetEvent SetFilePointerEx SetHandleInformation SetInformationJobObject SetLastError SetStdHandle SetUnhandledExceptionFilter SignalObjectAndWait Sleep TerminateJobObject TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnhandledExceptionFilter UnmapViewOfFile UnregisterWaitEx UpdateProcThreadAttribute VerifyVersionInfoA VirtualAlloc VirtualAllocEx VirtualFree VirtualFreeEx VirtualProtect VirtualProtectEx VirtualQuery VirtualQueryEx WaitForSingleObject WaitForSingleObjectEx WideCharToMultiByte WriteFile WriteProcessMemory lstrlenW

vcruntime140

_CxxThrowException __CxxFrameHandler3 _except_handler3 _except_handler4_common _purecall strrchr wcschr

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

__p___argc __p___wargv _beginthreadex _c_exit _cexit _configure_wide_argv _controlfp_s _crt_atexit _errno _exit _get_initial_wide_environment _initialize_onexit_table _initialize_wide_environment _initterm _initterm_e _invalid_parameter_noinfo_noreturn _register_onexit_function _register_thread_local_exe_atexit_callback _seh_filter_exe _set_app_type exit terminate

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

__acrt_iob_func __p__commode __stdio_common_vfprintf __stdio_common_vsnprintf_s __stdio_common_vsnwprintf_s __stdio_common_vsprintf __stdio_common_vswprintf _dup _fileno _get_osfhandle _set_fmode _wfopen _wtmpnam_s fclose fgets freopen

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

__setusermatherr _fdopen

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

_configthreadlocale

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

__p__environ _putenv _wgetenv getenv

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

_gmtime64_s _time64 strftime

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

_ltoa wcstoul

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

_stricmp _wcsicmp _wcslwr_s _wcsnicmp strcpy strlen tolower towlower towupper wcscat_s wcscmp wcscpy wcscpy_s wcslen wcsncmp wcspbrk wcstok_s

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

_wmakepath_s _wsplitpath_s

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

rand_s

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

_set_new_mode

GetHandleVerifier GetNtLoaderAPI IsSandboxedProcess NativeNtBlockSet_Write _TargetConfigureOPMProtectedOutput@20 _TargetCreateNamedPipeW@36 _TargetCreateOPMProtectedOutputs@24 _TargetCreateProcessA@44 _TargetCreateProcessW@44 _TargetCreateThread@28 _TargetDestroyOPMProtectedOutput@8 _TargetEnumDisplayDevicesA@20 _TargetEnumDisplayMonitors@20 _TargetGdiDllInitialize@12 _TargetGetCertificate@20 _TargetGetCertificateByHandle@20 _TargetGetCertificateSize@16 _TargetGetCertificateSizeByHandle@16 _TargetGetMonitorInfoA@12 _TargetGetMonitorInfoW@12 _TargetGetOPMInformation@16 _TargetGetOPMRandomNumber@12 _TargetGetStockObject@8 _TargetGetSuggestedOPMProtectedOutputArraySize@12 _TargetNtCreateEvent@24 _TargetNtCreateFile@48 _TargetNtCreateKey@32 _TargetNtMapViewOfSection@44 _TargetNtOpenEvent@16 _TargetNtOpenFile@28 _TargetNtOpenKey@16 _TargetNtOpenKeyEx@20 _TargetNtOpenProcess@20 _TargetNtOpenProcessToken@16 _TargetNtOpenProcessTokenEx@20 _TargetNtOpenThread@20 _TargetNtOpenThreadToken@20 _TargetNtOpenThreadTokenEx@24 _TargetNtQueryAttributesFile@12 _TargetNtQueryFullAttributesFile@12 _TargetNtSetInformationFile@24 _TargetNtSetInformationThread@20 _TargetNtUnmapViewOfSection@12 _TargetRegisterClassW@8 _TargetSetOPMSigningKeyAndSequenceNumbers@12 g_handles_to_close g_interceptions g_nt g_originals g_shared_IPC_size g_shared_delayed_integrity_level g_shared_delayed_mitigations g_shared_policy_size g_shared_section

Name

.text

Size

242KB

Virtual Size

241KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

37KB

Virtual Size

36KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.00cfg

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.freestd

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

13B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

201KB

Virtual Size

201KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.vmp0

Size

508KB

Virtual Size

1.6MB

Characteristics

IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

2026-09-30_bbcb671824d3ef13681e59d267f27808_elex_mespinoza

mozglue

advapi32

ntdll

msvcp140

kernel32

vcruntime140

api-ms-win-crt-runtime-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

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

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

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

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

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

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

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

generic