boykisser[.]exe | Triage™

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General

Target
boykisser.exe
Size 2.2MB
Sample260708-mnnfaaft8r
SHA256 a1d4c88e3a2c4a1500e52f4b3fd70cbbc48e78f69c0c7e53618159e365507a8b
MD5 f645cddab269986973f4ecbde64e193e
SHA1 f2d27da9556246d166e97da1e0d1805e008feffe
SHA512 efbf10922f4f331fddb3da8a586c3dfba14b7a365804bc79b3d661ca28bcd59af1410e7664e4b94d566d92ba25708839a69d076924d223a46829269ac57fd823
SSDEEP 24576:V3DKmO+k82Tzlv0Xlngatoei5NGWtrBTkF/A8qkxzBPM7fJkBgNSHB8gKtcC15WD:V3DKKk8McqkZBPM7f8KShEtceXBM28
TLSH
T10CB5298F7EB15198D0F980B4D253F422AE67784B1315A9A6B3DC5320DB62A0336C97FD
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 a1d4c88e3a2c4a1500e52f4b3fd70cbbc48e78f69c0c7e53618159e365507a8b
MD5 f645cddab269986973f4ecbde64e193e
SHA1 f2d27da9556246d166e97da1e0d1805e008feffe
SHA512 efbf10922f4f331fddb3da8a586c3dfba14b7a365804bc79b3d661ca28bcd59af1410e7664e4b94d566d92ba25708839a69d076924d223a46829269ac57fd823
SSDEEP 24576:V3DKmO+k82Tzlv0Xlngatoei5NGWtrBTkF/A8qkxzBPM7fJkBgNSHB8gKtcC15WD:V3DKKk8McqkZBPM7f8KShEtceXBM28
TLSH
T10CB5298F7EB15198D0F980B4D253F422AE67784B1315A9A6B3DC5320DB62A0336C97FD
MD5 SHA1 SHA512 SSDEEP TLSH

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

PE Signature issue

Digest

bd:27:00:61:d4:f7:15:6c:95:62:f7:c0:64:f4:c1:dc:2d:a1:ba:06:f0:6d:1e:95:5d:85:ef:b1:4d:d7:e8:e8

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=William Young,OU=IT,O=Pulse Networks,1.2.840.113549.1.9.1=#0c1777696c6c69616d2e796f756e67407961686f6f2e636f6d

Chains

Jul 7, 2026

CN=William Young,OU=IT,O=Pulse Networks,1.2.840.113549.1.9.1=#0c1777696c6c69616d2e796f756e67407961686f6f2e636f6d

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

890KB

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

1.3MB

Virtual Size

1.3MB

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