boykisser[.]exe | Triage™

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General

Target
boykisser.exe
Size 2.2MB
Sample260709-br7sjsbs9q
SHA256 587e74b459c5266cd9b29f4841ac0b038415d9bfb751d9be546bae0da6ed4e47
MD5 60ed00c70f2ecd2ac245f48f10b3ac1b
SHA1 ee816814845db6d8f7e6d82eea08b7952230818f
SHA512 2f165a27a5379ebfc974363a05a00adec888c4862d9b9dc11b5a5ec7e6d661fc916cba604b56ef96266c997824a6767b697407a8b5e532ee5469381eaf18bd3b
SSDEEP 24576:Ma5J0io5PPlQv0X9PAaNoraAtm2tLBTEl/CbcAS1wA8v9aKtcC15WkBgfEW735UQ:Ma5JOPNuYAS1wtvltceXBM2Q
TLSH
T177B5394F7FB15198D0F581B4D213F422AE67B84B2719A9A673DC9320DB61A0336C86FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
boykisser.exe

File Explorer

boykisser.exe

.exe 2.2MB

boykisser.exe

IMPHASH 17f7096365ae63b685a098c176bd625e
SHA256 587e74b459c5266cd9b29f4841ac0b038415d9bfb751d9be546bae0da6ed4e47
MD5 60ed00c70f2ecd2ac245f48f10b3ac1b
SHA1 ee816814845db6d8f7e6d82eea08b7952230818f
SHA512 2f165a27a5379ebfc974363a05a00adec888c4862d9b9dc11b5a5ec7e6d661fc916cba604b56ef96266c997824a6767b697407a8b5e532ee5469381eaf18bd3b
SSDEEP 24576:Ma5J0io5PPlQv0X9PAaNoraAtm2tLBTEl/CbcAS1wA8v9aKtcC15WkBgfEW735UQ:Ma5JOPNuYAS1wtvltceXBM2Q
TLSH
T177B5394F7FB15198D0F581B4D213F422AE67B84B2719A9A673DC9320DB61A0336C86FD
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

df:cc:b6:2e:7c:c6:ce:e6:2e:37:4a:09:56:38:74:3a:77:cf:15:5f:ae:f0:10:5b:ee:95:c4:e3:3c:9b:dd:8a

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Dakota Campbell,OU=IT,O=Meridian Software,1.2.840.113549.1.9.1=#0c1964616b6f74612e63616d7062656c6c40676d61696c2e636f6d

Chains

Jul 8, 2026

CN=Dakota Campbell,OU=IT,O=Meridian Software,1.2.840.113549.1.9.1=#0c1964616b6f74612e63616d7062656c6c40676d61696c2e636f6d

Minor OS version

Major OS version

Entry point

5152

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

api-ms-win-core-synch-l1-2-0

WaitOnAddress WakeByAddressAll WakeByAddressSingle

kernel32

AddVectoredExceptionHandler CloseHandle CreateFileMappingA CreateFileW CreateThread CreateToolhelp32Snapshot CreateWaitableTimerExW DeleteCriticalSection DeviceIoControl DuplicateHandle EnterCriticalSection ExitProcess FindClose FindFirstFileExW FindNextFileW FormatMessageW FreeLibrary GetCommandLineW GetConsoleMode GetConsoleOutputCP GetCurrentDirectoryW GetCurrentProcess GetCurrentThread GetCurrentThreadId GetEnvironmentVariableW GetFileInformationByHandle GetFileInformationByHandleEx GetFullPathNameW GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessHeap GetStdHandle GetSystemInfo GetSystemTimePreciseAsFileTime GetTempPathW HeapAlloc HeapFree HeapReAlloc InitOnceBeginInitialize InitOnceComplete InitializeCriticalSection LeaveCriticalSection LoadLibraryA LoadLibraryW MapViewOfFile Module32FirstW Module32NextW MultiByteToWideChar QueryPerformanceCounter QueryPerformanceFrequency RaiseException RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetFileInformationByHandle SetFileTime SetLastError SetThreadStackGuarantee SetUnhandledExceptionFilter SetWaitableTimer Sleep SwitchToThread TlsAlloc TlsFree TlsGetValue TlsSetValue UnmapViewOfFile VirtualProtect VirtualQuery WaitForSingleObject WriteConsoleW __C_specific_handler

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

__p__environ

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

_set_new_mode calloc free malloc

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

_configthreadlocale

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

__setusermatherr

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

memcmp memcpy memmove

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

_set_app_type __p___argc __p___argv _cexit _configure_narrow_argv _crt_atexit _exit _fpreset _initialize_narrow_environment _initterm _initterm_e _set_invalid_parameter_handler abort exit signal

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

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf fflush setvbuf

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

memset strlen strncmp

ntdll

NtWriteFile RtlNtStatusToDosError

Name

.text

Size

785KB

Virtual Size

785KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

1.4MB

Virtual Size

1.4MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.text01

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

8KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

17KB

Virtual Size

17KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

5KB

Virtual Size

5KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

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

boykisser.exe

PE Signature issue

api-ms-win-core-synch-l1-2-0

kernel32

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

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

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

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

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

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

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

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

ntdll

generic