2026-09-29_579f8d63a594256d874d23f0d66bc12e_elex_mespinoza

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General

Target
2026-09-29_579f8d63a594256d874d23f0d66bc12e_elex_mespinoza
Size 2.2MB
Sample260930-aydbvayt3r
SHA256 5bae7fead7f5489739f0fcd3d0ec889fee08512d5d9d7ed14408a2422a12a0e6
MD5 579f8d63a594256d874d23f0d66bc12e
SHA1 3535fca56a0877df914c10838c046dd3803c1f76
SHA512 9cac691878f9b432489678f36bef074f13d9318b00648dd1fa654d9579f0d01f5f40738295f17450b3b9a1e91b1ef3d57a81af159fcd17cff9fb5f61622cce10
SSDEEP 24576:F/yUrKhxr+EHNmT8oW4ll1JCrLKXI2gbE8vjupPw9nMuL8LcYA2dkHeGm1:xIhxSMmT8oWgBCaXMbdvju9K78Le2doi
TLSH
T199B53377A3146276C8224534AE6E2B722F791EC8136319E7395A3FB43B285D0C37761E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2026-09-29_579f8d63a594256d874d23f0d66bc12e_elex_mespinoza

File Explorer

2026-09-29_579f8d63a594256d874d23f0d66bc12e_elex_mespinoza

.exe 2.2MB

2026-09-29_579f8d63a594256d874d23f0d66bc12e_elex_mespinoza

IMPHASH 2713af71868290488c17c2e3ee9ec486
SHA256 5bae7fead7f5489739f0fcd3d0ec889fee08512d5d9d7ed14408a2422a12a0e6
MD5 579f8d63a594256d874d23f0d66bc12e
SHA1 3535fca56a0877df914c10838c046dd3803c1f76
SHA512 9cac691878f9b432489678f36bef074f13d9318b00648dd1fa654d9579f0d01f5f40738295f17450b3b9a1e91b1ef3d57a81af159fcd17cff9fb5f61622cce10
SSDEEP 24576:F/yUrKhxr+EHNmT8oW4ll1JCrLKXI2gbE8vjupPw9nMuL8LcYA2dkHeGm1:xIhxSMmT8oWgBCaXMbdvju9K78Le2doi
TLSH
T199B53377A3146276C8224534AE6E2B722F791EC8136319E7395A3FB43B285D0C37761E
MD5 SHA1 SHA512 SSDEEP TLSH

windows:10 windows x86 arch:x86

UPX packed file

Detects executables packed with UPX/modified UPX open source packer.

upx
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

33840

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE

PDB paths

pingsender.pdb

mozglue

??2@YAPAXI@Z ??3@YAXPAX@Z ??3@YAXPAXI@Z calloc free malloc

wininet

HttpOpenRequestA HttpQueryInfoA HttpSendRequestA InternetCloseHandle InternetConnectA InternetCrackUrlA InternetOpenA InternetSetOptionA

msvcp140

??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ ??0_Lockit@std@@QAE@H@Z ??0ios_base@std@@IAE@XZ ??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ ??1_Lockit@std@@QAE@XZ ??1ios_base@std@@UAE@XZ ??Bid@locale@std@@QAEIXZ ?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z ?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z ?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ ?_Raise_handler@std@@3P6AXABVexception@stdext@@@ZA ?_Xlength_error@std@@YAXPBD@Z ?bad@ios_base@std@@QBE_NXZ ?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z ?eof@ios_base@std@@QBE_NXZ ?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ ?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A ?init@?$basic_ios@DU?$char_traits@D@std@@@std@@IAEXPAV?$basic_streambuf@DU?$char_traits@D@std@@@2@_N@Z ?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PAD_J@Z ?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ ?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 GetCurrentProcess GetCurrentProcessId GetCurrentThreadId GetModuleHandleW GetSystemTimeAsFileTime InitializeSListHead IsDebuggerPresent IsProcessorFeaturePresent QueryPerformanceCounter ReleaseSRWLockExclusive SetUnhandledExceptionFilter SleepConditionVariableSRW TerminateProcess UnhandledExceptionFilter WakeAllConditionVariable

vcruntime140

__current_exception __current_exception_context _except_handler4_common memcmp memcpy memmove memset

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

__p___argc __p___argv _c_exit _cexit _configure_narrow_argv _controlfp_s _crt_atexit _exit _get_initial_narrow_environment _initialize_narrow_environment _initialize_onexit_table _initterm _initterm_e _invalid_parameter_noinfo_noreturn _invoke_watson _register_onexit_function _register_thread_local_exe_atexit_callback _seh_filter_exe _set_app_type abort exit terminate

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

__p__commode _fseeki64 _get_stream_buffer_pointers _set_fmode fclose fflush fgetc fgetpos fputc fread fsetpos fwrite setvbuf ungetc

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

__setusermatherr

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

_configthreadlocale

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

_chdir _fullpath _lock_file _makepath_s _splitpath_s _unlock_file remove

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

_gmtime64 _time64 strftime

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

_set_new_mode

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

strlen

Name

.text

Size

38KB

Virtual Size

38KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

13KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

2KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

UPX1

Size

2.2MB

Virtual Size

2.2MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

2026-09-29_579f8d63a594256d874d23f0d66bc12e_elex_mespinoza

mozglue

wininet

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-filesystem-l1-1-0

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

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

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

generic