Kirin-Tool[.]exe | Triage™

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General

Target
Kirin-Tool.exe
Size 543KB
Sample261009-ph2f3aah68
SHA256 ce236ef861908cf5f29c45a8fb770dd1accf2428e78861f7a7625259c81f6be9
MD5 d2d057199bb6503cff54ba780408a7db
SHA1 99153d67567af7b6a3e15e86d1427d60ac9383c3
SHA512 ac603f63b186f1f0ace3d368e0943bd3d0cf2078bb2bc261c45dd4a9a0862d2cd166d17ba05239e3bdc517f723f33e45e8db9e9742f3e433611d61761452045c
SSDEEP 12288:ayBlCI78IVO68ZVnXqf1ogKMFpz4dsPw1X3AhTw5CCZdHyzI:hBlUZVhqFpzxw1X3Ai5CCnH
TLSH
T129C4F147B29911FCE2A7E37899A34641F3B7B856473193DF0360C63A1F66AD09D3A720
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Kirin-Tool.exe

File Explorer

Kirin-Tool.exe

.exe 543KB

Kirin-Tool.exe

IMPHASH 6a91eb82bfd19d2706c7d43c46f7064e
SHA256 ce236ef861908cf5f29c45a8fb770dd1accf2428e78861f7a7625259c81f6be9
MD5 d2d057199bb6503cff54ba780408a7db
SHA1 99153d67567af7b6a3e15e86d1427d60ac9383c3
SHA512 ac603f63b186f1f0ace3d368e0943bd3d0cf2078bb2bc261c45dd4a9a0862d2cd166d17ba05239e3bdc517f723f33e45e8db9e9742f3e433611d61761452045c
SSDEEP 12288:ayBlCI78IVO68ZVnXqf1ogKMFpz4dsPw1X3AhTw5CCZdHyzI:hBlUZVhqFpzxw1X3Ai5CCnH
TLSH
T129C4F147B29911FCE2A7E37899A34641F3B7B856473193DF0360C63A1F66AD09D3A720
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

70496

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_GUARD_CF IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

D:\a\_work\1\s\artifacts\obj\win-x64.Release\corehost\apphost\standalone\apphost.pdb

kernel32

FreeLibrary LoadLibraryExW OutputDebugStringW FindFirstFileExW EnterCriticalSection GetFullPathNameW FindNextFileW GetCurrentProcess GetModuleHandleExW GetModuleFileNameW LeaveCriticalSection GetEnvironmentVariableW GetModuleHandleW MultiByteToWideChar GetFileAttributesExW LoadLibraryA DeleteCriticalSection WideCharToMultiByte IsWow64Process TlsFree TlsSetValue TlsGetValue TlsAlloc InitializeCriticalSectionAndSpinCount GetProcAddress GetWindowsDirectoryW FindResourceW GetLastError ActivateActCtx FindClose CreateActCtxW SetLastError RaiseException RtlPcToFileHeader RtlUnwindEx InitializeSListHead GetCurrentProcessId IsDebuggerPresent IsProcessorFeaturePresent TerminateProcess SetUnhandledExceptionFilter UnhandledExceptionFilter RtlVirtualUnwind RtlLookupFunctionEntry RtlCaptureContext GetStringTypeW SwitchToThread GetCurrentThreadId InitializeCriticalSectionEx EncodePointer DecodePointer LCMapStringEx QueryPerformanceCounter GetSystemTimeAsFileTime

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW RegGetValueW DeregisterEventSource RegisterEventSourceW ReportEventW RegCloseKey

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

_invalid_parameter_noinfo_noreturn _exit exit _initterm_e _initterm _get_initial_wide_environment _initialize_wide_environment _configure_wide_argv _set_app_type _seh_filter_exe _cexit _crt_atexit _register_onexit_function _initialize_onexit_table _errno abort __p___wargv _c_exit _register_thread_local_exe_atexit_callback terminate __p___argc

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

__acrt_iob_func fputwc __p__commode _set_fmode fputws _wfsopen fflush __stdio_common_vfwprintf __stdio_common_vsnwprintf_s __stdio_common_vswprintf setvbuf

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

calloc _set_new_mode free _callnewh malloc

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

toupper _wcsdup wcsncmp wcsnlen strcpy_s

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

wcstoul _wtoi

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

_gmtime64_s _time64 wcsftime

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

setlocale ___mb_cur_max_func _configthreadlocale ___lc_codepage_func ___lc_locale_name_func __pctype_func _lock_locales _unlock_locales

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

__setusermatherr

Name

.text

Size

90KB

Virtual Size

90KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

37KB

Virtual Size

37KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

2KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

5KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

500B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1024B

Virtual Size

792B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

405KB

Virtual Size

404KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

Kirin-Tool.exe

kernel32

user32

shell32

advapi32

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

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

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

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

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

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

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

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

generic