YukiCloud[.]exe | Triage™

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General

Target
YukiCloud.exe
Size 235.1MB
Sample261024-mes96shs7x
SHA256 2d3eac2fa1aef35c5ccae9aee6424d23d148c4a41916eae52ea5695093ece5ea
MD5 b1b676169183f0d3ed7f87a9ba9be3d4
SHA1 32d93a551927d79829a56c074926d7bf286fea6d
SHA512 eb91d6ed1d246fe725a1a87644354eae3491d93a454ee6bf1698e489198e32a19f125606d17595783b09799161eb6f81fd21c8056ad3ab01022bb9696580d06e
SSDEEP 3145728:qa5MhBaCNs492fE9HXcfAVCL+l3Brre0aG3QTZiBJ:qjh+492fE9HXcfSXhe0L3QTZi7
TLSH
T1C8C87E43E27211A5D57EC0B45AA39A23EA31BC080338B9EB65D8DF752B52FE0977D704
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
YukiCloud.exe

File Explorer

YukiCloud.exe

.exe 235.1MB

YukiCloud.exe

IMPHASH 2aba868ebd5c12761d367247d19741ae
SHA256 2d3eac2fa1aef35c5ccae9aee6424d23d148c4a41916eae52ea5695093ece5ea
MD5 b1b676169183f0d3ed7f87a9ba9be3d4
SHA1 32d93a551927d79829a56c074926d7bf286fea6d
SHA512 eb91d6ed1d246fe725a1a87644354eae3491d93a454ee6bf1698e489198e32a19f125606d17595783b09799161eb6f81fd21c8056ad3ab01022bb9696580d06e
SSDEEP 3145728:qa5MhBaCNs492fE9HXcfAVCL+l3Brre0aG3QTZiBJ:qjh+492fE9HXcfSXhe0L3QTZi7
TLSH
T1C8C87E43E27211A5D57EC0B45AA39A23EA31BC080338B9EB65D8DF752B52FE0977D704
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4119

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

kernel32

AddDllDirectory CloseHandle CopyFileW CreateDirectoryW CreateFileMappingW CreateFileW CreateProcessW DeleteCriticalSection DeleteFileW EnterCriticalSection FormatMessageA FreeLibrary GetCommandLineW GetCurrentProcessId GetEnvironmentVariableW GetExitCodeProcess GetFileAttributesW GetFileSize GetFullPathNameW GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleExA GetProcAddress GetShortPathNameW GetStartupInfoW GetStdHandle GetSystemTimeAsFileTime GetTempPathW InitializeCriticalSection IsDBCSLeadByteEx K32GetModuleFileNameExW LeaveCriticalSection LoadLibraryA LoadLibraryExW MapViewOfFile MultiByteToWideChar OpenProcess QueryPerformanceCounter ReadFile SetConsoleCtrlHandler SetDllDirectoryW SetEnvironmentVariableW SetUnhandledExceptionFilter Sleep TerminateProcess TlsGetValue UnmapViewOfFile VirtualProtect VirtualQuery WaitForSingleObject WideCharToMultiByte WriteFile

msvcrt

__C_specific_handler ___lc_codepage_func ___mb_cur_max_func __argc __iob_func __set_app_type __setusermatherr __wargv __wgetmainargs __winitenv _amsg_exit _cexit _commode _errno _fmode _initterm _lock _unlock _wcmdln _wcsicmp _wcsdup _wrename abort atexit calloc exit fprintf fputc fputwc free fwprintf iswctype localeconv malloc mbstowcs memcpy puts signal strerror strlen strncmp strncpy vfprintf wcschr wcscmp wcslen wcsncmp wcstoul

shell32

CommandLineToArgvW SHFileOperationW SHGetFolderPathW

Name

.text

Size

62KB

Virtual Size

62KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

512B

Virtual Size

384B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

234.8MB

Virtual Size

234.8MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.eh_fram

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

3KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

181KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

4KB

Virtual Size

3KB

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

.rsrc

Size

252KB

Virtual Size

252KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

512B

Virtual Size

136B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

YukiCloud.exe

kernel32

msvcrt

shell32

generic