boykisser[.]exe | Triage™

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General

Target
boykisser.exe
Size 2.4MB
Sample260708-xmdjssft2n
SHA256 4cf1d63acbfaa7aa9abdf7cda06be4ecc807f997c89e42981d529a10cd10f474
MD5 2f5b0968ee0f804bd1d6aa9381cc2077
SHA1 059938f978c4ccb967e7b6eaf5443c4d5100cac9
SHA512 26ab879116826222072d5be0757396c1bf270861983af55c29815b4c5c027728e1c7d6c61ecd3dfa1c278128ab08d7092f5b4f99725c89adec101a4d30a7483c
SSDEEP 24576:/FCZMgVkImtDIv0X9PAaNoraAtm2tLBTEl/Sq0bs1TafCqrPlRIgMKlPKKtcC156:/FCZMNIm90Y1mfCqBZMY/tceXBM2gl
TLSH
T181C5394F7FB16198D0F981B4D253F422AE67B84B131999A6A3DC9320DB61D0336C86FD
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 2.4MB

boykisser.exe

IMPHASH 17f7096365ae63b685a098c176bd625e
SHA256 4cf1d63acbfaa7aa9abdf7cda06be4ecc807f997c89e42981d529a10cd10f474
MD5 2f5b0968ee0f804bd1d6aa9381cc2077
SHA1 059938f978c4ccb967e7b6eaf5443c4d5100cac9
SHA512 26ab879116826222072d5be0757396c1bf270861983af55c29815b4c5c027728e1c7d6c61ecd3dfa1c278128ab08d7092f5b4f99725c89adec101a4d30a7483c
SSDEEP 24576:/FCZMgVkImtDIv0X9PAaNoraAtm2tLBTEl/Sq0bs1TafCqrPlRIgMKlPKKtcC156:/FCZMNIm90Y1mfCqBZMY/tceXBM2gl
TLSH
T181C5394F7FB16198D0F981B4D253F422AE67B84B131999A6A3DC9320DB61D0336C86FD
MD5 SHA1 SHA512 SSDEEP TLSH

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

50:85:2d:b5:d1:e3:2d:d1:63:56:b0:5f:e3:51:85:47:b7:62:f7:27:3d:84:6a:04:bc:99:21:e6:7c:8d:3f:f0

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Kevin Morgan,OU=IT,O=Crestpoint Technology,1.2.840.113549.1.9.1=#0c166b6576696e2e6d6f7267616e407961686f6f2e636f6d

Chains

Jul 8, 2026

CN=Kevin Morgan,OU=IT,O=Crestpoint Technology,1.2.840.113549.1.9.1=#0c166b6576696e2e6d6f7267616e407961686f6f2e636f6d

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

890KB

Virtual Size

889KB

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

1.5MB

Virtual Size

1.5MB

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