boykisser[.]exe | Triage™

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General

Target
boykisser.exe
Size 2.0MB
Sample260708-lfhpdsdy2v
SHA256 5883a854fa319f8d4b67ce8b3f9921f88a3c51f5b0f73ada95cfc0f099ba2860
MD5 7aaac073f7fbbb5da4fd195051019746
SHA1 b5b00b7bcf4cad7ccda8bbcce9347407594ff066
SHA512 fde6c8883ed85fff9e66a0522f5c15dba6dda2a4869ce73c30b1ba606f4f123ad12ecccd8524f36cbfd6e04d08626759efdaa9d7816fa2a8d6998815912b90d0
SSDEEP 24576:EVuVsUBI4EmLdPIPKtcC15WkBgfEW735Uvo7J:ECPB7zPntceXBM2gJ
TLSH
T1CBA5180FBF7595A8D0F581B4D257F022AE63B84B631669A673DC5320DB21A0336C86FD
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 2.0MB

boykisser.exe

IMPHASH 9ca70f6ce046e9c849490cb4092dd490
SHA256 5883a854fa319f8d4b67ce8b3f9921f88a3c51f5b0f73ada95cfc0f099ba2860
MD5 7aaac073f7fbbb5da4fd195051019746
SHA1 b5b00b7bcf4cad7ccda8bbcce9347407594ff066
SHA512 fde6c8883ed85fff9e66a0522f5c15dba6dda2a4869ce73c30b1ba606f4f123ad12ecccd8524f36cbfd6e04d08626759efdaa9d7816fa2a8d6998815912b90d0
SSDEEP 24576:EVuVsUBI4EmLdPIPKtcC15WkBgfEW735Uvo7J:ECPB7zPntceXBM2gJ
TLSH
T1CBA5180FBF7595A8D0F581B4D257F022AE63B84B631669A673DC5320DB21A0336C86FD
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

bf:c0:8c:59:31:ed:5a:ab:b1:4c:95:5e:9f:e8:40:f4:a6:f3:e9:ec:8b:92:e7:58:13:bd:09:21:45:17:ca:7e

Digest Algorithm

sha256

PE Digests Matches

Trusted

Not trusted

Signing Certificate

CN=Kevin Davidson,OU=IT,O=Helix Technology Partners,1.2.840.113549.1.9.1=#0c1d6b6576696e2e6461766964736f6e4070726f746f6e6d61696c2e636f6d

Chains

Jul 7, 2026

CN=Kevin Davidson,OU=IT,O=Helix Technology Partners,1.2.840.113549.1.9.1=#0c1d6b6576696e2e6461766964736f6e4070726f746f6e6d61696c2e636f6d

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 GetTimeZoneInformationForYear 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

566KB

Virtual Size

566KB

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

10KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

35KB

Virtual Size

34KB

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

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

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