2026-10-23_149a1d5dc85ea889b4d22a714f988a2c_mespinoza

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General

Target
2026-10-23_149a1d5dc85ea889b4d22a714f988a2c_mespinoza
Size 167KB
Sample261023-sdblmadb27
SHA256 cc696c7e37a2d9351df11fbdac448f80fa717c18f7ca2b778a2d0fb9309e89e7
MD5 149a1d5dc85ea889b4d22a714f988a2c
SHA1 c4cab390fbe781a186a4442f4afd3e72c8e74653
SHA512 2c931311abe03737af97d5191800fae543a9f99a5ed2e4f70001ba714c7024c3c54237dcc0bcee657f0ca846e4e441ba74458fbbaba9d1e94c1071e63bf323a8
SSDEEP 3072:AjW5FnIlQrDvhpWI/ewf8McxFRz080Tec9iQGUr30/reMWS2Q1fW4ce3:AjsFnIlWppWI/p2FRzLrQ3rE/rVOZy
TLSH
T19EF33A5B7EA860F4D472C3388A965646F7B278350F3147EF126542AE0F63AE45F383A1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

1^/10

Malware Config

Signatures

File Explorer

2026-10-23_149a1d5dc85ea889b4d22a714f988a2c_mespinoza

.exe 167KB

2026-10-23_149a1d5dc85ea889b4d22a714f988a2c_mespinoza

IMPHASH 8d84063533da7ab4298f7c1b42522eed
SHA256 cc696c7e37a2d9351df11fbdac448f80fa717c18f7ca2b778a2d0fb9309e89e7
MD5 149a1d5dc85ea889b4d22a714f988a2c
SHA1 c4cab390fbe781a186a4442f4afd3e72c8e74653
SHA512 2c931311abe03737af97d5191800fae543a9f99a5ed2e4f70001ba714c7024c3c54237dcc0bcee657f0ca846e4e441ba74458fbbaba9d1e94c1071e63bf323a8
SSDEEP 3072:AjW5FnIlQrDvhpWI/ewf8McxFRz080Tec9iQGUr30/reMWS2Q1fW4ce3:AjsFnIlWppWI/p2FRzLrQ3rE/rVOZy
TLSH
T19EF33A5B7EA860F4D472C3388A965646F7B278350F3147EF126542AE0F63AE45F383A1
MD5 SHA1 SHA512 SSDEEP TLSH

Digest

29:7b:52:eb:2f:fe:cb:d9:15:ee:20:a1:eb:00:7a:b6:5d:dc:5d:40:32:62:18:ca:04:83:2a:40:9e:3d:f4:7d

Digest Algorithm

sha256

PE Digests Matches

Trusted

Signing Certificate

CN=Beijing Duyou Science and Technology Co.\,Ltd.,O=Beijing Duyou Science and Technology Co.\,Ltd.,ST=Beijing,C=CN

Chains

Oct 19, 2026

CN=Beijing Duyou Science and Technology Co.\,Ltd.,O=Beijing Duyou Science and Technology Co.\,Ltd.,ST=Beijing,C=CN

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Digest

fa:0a:a6:d0:cd:5a:2c:2f:a4:95:e5:ba:12:52:be:2f:ec:41:5d:d0

Digest Algorithm

sha1

PE Digests Matches

Trusted

Signing Certificate

CN=Beijing Duyou Science and Technology Co.\,Ltd.,O=Beijing Duyou Science and Technology Co.\,Ltd.,ST=Beijing,C=CN

Chains

Oct 19, 2026

CN=Beijing Duyou Science and Technology Co.\,Ltd.,O=Beijing Duyou Science and Technology Co.\,Ltd.,ST=Beijing,C=CN

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Subject

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Serial Number

1b:b5:8f:25:2a:df:23:00:49:28:c9:ae:3d:7e:ed:27

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Timespan

May 31, 2021 - Sep 17, 2029

Subject

CN=Certum Timestamp 2026,O=Asseco Data Systems S.A.,C=PL

Serial Number

28:f0:77:c1:1c:36:bd:fe:5f:74:32:47:70:27:2e:03

Issuer

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 11, 2026 - Feb 27, 2036

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Serial Number

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

CN=Certum Timestamping 2021 CA,O=Asseco Data Systems S.A.,C=PL

Serial Number

e7:ff:69:c7:3b:35:ce:4b:91:26:d8:74:7c:68:a5:87

Issuer

CN=Certum Trusted Network CA 2,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Key Usages

KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

May 19, 2021 - May 18, 2036

Subject

CN=Beijing Duyou Science and Technology Co.\,Ltd.,O=Beijing Duyou Science and Technology Co.\,Ltd.,ST=Beijing,C=CN

Serial Number

0d:6e:19:12:bb:a3:1f:61:ea:6a:ef:ee:89:21:fc:c8

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

Oct 17, 2023 - Jan 13, 2027

Subject

CN=Sectigo Public Time Stamping Signer R37,O=Sectigo Limited,ST=Greater London,C=GB

Serial Number

e7:4e:f2:55:b0:50:4f:fa:db:a6:df:f7:fc:8b:a3:15

Issuer

CN=Sectigo Public Time Stamping CA R41,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageContentCommitment

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 25, 2026 - Jun 24, 2037

Subject

CN=Sectigo Public Time Stamping CA R41,O=Sectigo Limited,C=GB

Serial Number

90:ac:08:72:20:fd:c5:a7:c4:6b:5c:c7:0d:f7:3d:06

Issuer

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 25, 2026 - Mar 24, 2041

Subject

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Serial Number

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Mar 22, 2021 - Jan 18, 2038

Minor OS version

Major OS version

Entry point

88272

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

H:\baidu\netdisk\pc-yunbrowser\output64\pdb\YunUtilityService.pdb

userenv

CreateEnvironmentBlock DestroyEnvironmentBlock

crypt32

CertGetNameStringW

kernel32

DeleteCriticalSection RaiseException DecodePointer InitializeCriticalSectionAndSpinCount SetErrorMode GetCommandLineW GetCurrentProcessId InitializeCriticalSection GetSystemTime GetCurrentThreadId TlsFree TlsAlloc TlsGetValue WriteConsoleW SetConsoleTextAttribute FreeConsole GetLastError GetStdHandle AllocConsole OutputDebugStringW GetVersionExW CloseHandle GetCurrentProcess OpenProcess FormatMessageW GetModuleFileNameW EnterCriticalSection LeaveCriticalSection MultiByteToWideChar lstrcmpiW LoadLibraryExW LoadLibraryExA IsDebuggerPresent FindResourceExW FindResourceW GetSystemInfo LoadResource LockResource SizeofResource GetProcessHeap HeapAlloc HeapFree HeapReAlloc HeapSize HeapDestroy GetCurrentThread GetModuleHandleA GetPrivateProfileIntW FreeLibrary GetPrivateProfileStringW LocalFree LocalAlloc GetFileAttributesW GetWindowsDirectoryW GetProcAddress LoadLibraryW GetModuleHandleW VirtualQuery VirtualProtect GetConsoleScreenBufferInfo InitializeSListHead GetSystemTimeAsFileTime QueryPerformanceCounter GetStartupInfoW IsProcessorFeaturePresent TerminateProcess SetUnhandledExceptionFilter UnhandledExceptionFilter SuspendThread ResumeThread GetThreadContext SetThreadContext FlushInstructionCache RtlVirtualUnwind RtlLookupFunctionEntry RtlCaptureContext CreateEventW WaitForSingleObjectEx ResetEvent SetEvent SetLastError VirtualFree VirtualAlloc

user32

CharNextW DefWindowProcW

advapi32

CreateProcessAsUserW RegCloseKey RegQueryInfoKeyW RegDeleteKeyW RegCreateKeyExW RegEnumKeyExW RegSetValueExW RegOpenKeyExW RegDeleteValueW StartServiceCtrlDispatcherW DeleteService ControlService OpenServiceW SetServiceObjectSecurity SetSecurityDescriptorDacl InitializeSecurityDescriptor SetEntriesInAclW BuildExplicitAccessWithNameW GetSecurityDescriptorDacl QueryServiceObjectSecurity ChangeServiceConfig2W CreateServiceW OpenSCManagerW CloseServiceHandle RegisterServiceCtrlHandlerExW SetServiceStatus GetTokenInformation OpenProcessToken

ole32

CoTaskMemRealloc CoTaskMemFree CoCreateInstance CoTaskMemAlloc OleInitialize CoInitializeEx OleUninitialize CoUninitialize

oleaut32

VarUI4FromStr

msvcp140

?_Xout_of_range@std@@YAXPEBD@Z ?_Xlength_error@std@@YAXPEBD@Z ?_Xbad_alloc@std@@YAXXZ

vcruntime140

__std_terminate __std_exception_copy wcschr wcsstr memmove __vcrt_InitializeCriticalSectionEx __C_specific_handler memcpy __CxxFrameHandler3 _CxxThrowException _purecall memset wcsrchr __std_exception_destroy

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

wcsncmp wcsncpy_s wcscpy_s wcscat_s _wcslwr_s wmemcpy_s _wcsicmp

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

_initterm _initterm_e _set_app_type _seh_filter_exe _c_exit _register_thread_local_exe_atexit_callback _configure_wide_argv _get_wide_winmain_command_line _cexit _invalid_parameter_noinfo_noreturn _crt_atexit _register_onexit_function terminate _initialize_wide_environment _exit _invalid_parameter_noinfo _errno _initialize_onexit_table exit

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

__stdio_common_vswprintf_s __stdio_common_vsnwprintf_s fflush __p__commode _set_fmode _wfsopen fclose __stdio_common_vfwprintf __stdio_common_vswprintf

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

_time64 _localtime64_s wcsftime

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

wcstoul

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

_recalloc _callnewh _set_new_mode free malloc

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

__setusermatherr

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

_configthreadlocale

Name

.text

Size

89KB

Virtual Size

89KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

35KB

Virtual Size

35KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

1KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.detourc

Size

8KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.detourd

Size

512B

Virtual Size

24B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.gfids

Size

512B

Virtual Size

64B

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

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

2026-10-23_149a1d5dc85ea889b4d22a714f988a2c_mespinoza

userenv

crypt32

kernel32

user32

advapi32

ole32

oleaut32

msvcp140

vcruntime140

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

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

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

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

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

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

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

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

generic