YuukiPS_2[.]0[.]15_x64-setup[.]exe

Sharing

Copy URL Twitter E-mail

General

Target
YuukiPS_2.0.15_x64-setup.exe
Size 4.5MB
Sample260720-e8bcfsez3k
SHA256 7acb92c9349d251a199de8e7cc16c96c1bc969c3225062a1c7097fa1be45eac6
MD5 e35bd8c654483e2ceba487eeda8c720d
SHA1 f9fe6c3a0917b6e1b06e960fb9c751d6a3628394
SHA512 2969a181fb57c4a01bbeee515e560a12c0ff197c1228b24e249e0a9b81ee4308f784e0e08b032ae943555c4ef36bb654fe5a2b158db611a7ff795bfa3b1e9cb3
SSDEEP 98304:QTOyN89dV/bh5qJEtDgRQ597A/4DVtSvlsUXwl0xglKQH8GDoUN:QKy8d9d5cEtDgRQb7vDVtSv6Ywl0SlIa
TLSH
T15026330482B05C36D24CCD3EAB282475FB71AD2D6194D7825A7EE23179FBEC95EF8610
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
YuukiPS_2.0.15_x64-setup.exe
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsDialogs.dll
unpack001/yuukips-launcher.exe

File Explorer

YuukiPS_2.0.15_x64-setup.exe

.exe 4.5MB
$PLUGINSDIR/System.dll

.dll 12KB
$PLUGINSDIR/modern-wizard.bmp

25KB
$PLUGINSDIR/nsDialogs.dll

.dll 9KB
yuukips-launcher.exe

.exe 9.9MB

YuukiPS_2.0.15_x64-setup.exe

IMPHASH 573bb7b41bc641bd95c0f5eec13c233b
SHA256 7acb92c9349d251a199de8e7cc16c96c1bc969c3225062a1c7097fa1be45eac6
MD5 e35bd8c654483e2ceba487eeda8c720d
SHA1 f9fe6c3a0917b6e1b06e960fb9c751d6a3628394
SHA512 2969a181fb57c4a01bbeee515e560a12c0ff197c1228b24e249e0a9b81ee4308f784e0e08b032ae943555c4ef36bb654fe5a2b158db611a7ff795bfa3b1e9cb3
SSDEEP 98304:QTOyN89dV/bh5qJEtDgRQ597A/4DVtSvlsUXwl0xglKQH8GDoUN:QKy8d9d5cEtDgRQb7vDVtSv6Ywl0SlIa
TLSH
T15026330482B05C36D24CCD3EAB282475FB71AD2D6194D7825A7EE23179FBEC95EF8610
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

13709

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

advapi32

RegEnumValueW RegEnumKeyW RegQueryValueExW RegSetValueExW RegCloseKey RegDeleteValueW RegDeleteKeyW AdjustTokenPrivileges LookupPrivilegeValueW OpenProcessToken RegOpenKeyExW RegCreateKeyExW

shell32

SHGetPathFromIDListW SHBrowseForFolderW SHGetFileInfoW SHFileOperationW ShellExecuteExW

ole32

CoCreateInstance OleUninitialize OleInitialize IIDFromString CoTaskMemFree

comctl32

ImageList_Destroy ord17 ImageList_AddMasked ImageList_Create

user32

MessageBoxIndirectW GetDlgItemTextW SetDlgItemTextW CreatePopupMenu AppendMenuW TrackPopupMenu OpenClipboard EmptyClipboard SetClipboardData CloseClipboard IsWindowVisible CallWindowProcW GetMessagePos CheckDlgButton LoadCursorW SetCursor GetSysColor SetWindowPos GetWindowLongW IsWindowEnabled SetClassLongW GetSystemMenu EnableMenuItem GetWindowRect ScreenToClient EndDialog RegisterClassW SystemParametersInfoW CharPrevW GetClassInfoW DialogBoxParamW CharNextW ExitWindowsEx DestroyWindow CreateDialogParamW SetTimer SetWindowTextW PostQuitMessage SetForegroundWindow ShowWindow wsprintfW SendMessageTimeoutW FindWindowExW IsWindow GetDlgItem SetWindowLongW LoadImageW GetDC ReleaseDC EnableWindow InvalidateRect SendMessageW DefWindowProcW BeginPaint GetClientRect FillRect DrawTextW EndPaint CharNextA wsprintfA DispatchMessageW CreateWindowExW PeekMessageW GetSystemMetrics

gdi32

GetDeviceCaps SetBkColor SelectObject DeleteObject CreateBrushIndirect CreateFontIndirectW SetBkMode SetTextColor

kernel32

lstrcmpiA CreateFileW GetTempFileNameW RemoveDirectoryW CreateProcessW CreateDirectoryW CreateThread GlobalLock GlobalUnlock GetDiskFreeSpaceW WideCharToMultiByte lstrcpynW lstrlenW SetErrorMode GetVersionExW GetCommandLineW GetTempPathW GetWindowsDirectoryW SetEnvironmentVariableW WriteFile ExitProcess GetCurrentProcess GetModuleFileNameW GetLastError GetFileSize GetTickCount Sleep SetFileAttributesW GetFileAttributesW SetCurrentDirectoryW MoveFileW GetFullPathNameW GetShortPathNameW SearchPathW CompareFileTime SetFileTime CloseHandle lstrcmpiW lstrcmpW ExpandEnvironmentStringsW GlobalFree GlobalAlloc GetModuleHandleW LoadLibraryExW FreeLibrary WritePrivateProfileStringW GetPrivateProfileStringW lstrlenA MultiByteToWideChar ReadFile SetFilePointer FindClose FindNextFileW FindFirstFileW DeleteFileW MulDiv lstrcpyA MoveFileExW lstrcatW GetSystemDirectoryW GetProcAddress GetModuleHandleA GetExitCodeProcess WaitForSingleObject CopyFileW

$PLUGINSDIR/System.dll

IMPHASH 509a34b3a68a773e0afb4259e68f9f82
SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
TLSH
T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

10879

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/nsDialogs.dll

IMPHASH 3b477381217c97b22146297f93df2a92
SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 8f0e7415f33843431df308bb8e06af81
SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
TLSH
T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

7527

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

yuukips-launcher.exe

IMPHASH 96ca6173ae51b8361752fe5c2280b8e0
SHA256 630e1af0ff2eb9e8312733a66519a3f8ca221bb2f91596eb22597084ff55d319
MD5 46315a906da9cbebc9758f5858d78113
SHA1 19ffe3a1bff11011795975f6855ac7618f8bf9fb
SHA512 76500480724f910773b2f29c01e9934fe1545b5dea85f5b2755f1e8991b775a35e03c88a2a128ed5b74235927dc01d030607f2a528503f4a8456583a886d7f31
SSDEEP 98304:V3yvG7RNnP5W1bUr58HMXgd/s6wwbbAeD6BsllUlci6UkEzttSKfn+a+U:ByQF60g8eeQERtJfB
TLSH
T1E0A63817F66290E8C569C074C31A6273FA72BC8D07357AEB5BE04A213E65F906B3CB54
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

8000052

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_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

yuukips_launcher.pdb

kernel32

UnhandledExceptionFilter SetUnhandledExceptionFilter GetLastError TlsFree SwitchToThread GetCurrentProcess GetProcessId RtlUnwindEx GetSystemTimePreciseAsFileTime lstrlenW Sleep SetWaitableTimer WaitForSingleObject HeapReAlloc GetCurrentThread GetCommandLineW FindNextFileW GetFileAttributesW FreeEnvironmentStringsW GetEnvironmentStringsW CreateProcessW ReadFile GetOverlappedResult CancelIo CreateEventW ReadFileEx WriteFileEx CreateThread QueryPerformanceFrequency TlsSetValue TlsGetValue SetEnvironmentVariableW MoveFileExW CopyFileExW GetFinalPathNameByHandleW DeleteFileW TlsAlloc LoadLibraryW GetModuleHandleA GetTempPathW GetFileInformationByHandleEx MultiByteToWideChar EncodePointer SetLastError WaitForSingleObjectEx GetCurrentProcessId WideCharToMultiByte ReleaseMutex SetThreadStackGuarantee HeapAlloc FormatMessageW GetModuleFileNameW SetHandleInformation SleepEx ExitProcess CompareStringOrdinal GetSystemDirectoryW GetWindowsDirectoryW DuplicateHandle WaitForMultipleObjects GetExitCodeProcess GetFileInformationByHandle CreateFileW FindFirstFileExW GetFullPathNameW CreateDirectoryW GetEnvironmentVariableW CreateMutexA GetCurrentDirectoryW RtlVirtualUnwind RtlCaptureContext WriteConsoleW GetConsoleOutputCP GetConsoleMode GetStdHandle RaiseException RtlPcToFileHeader TerminateProcess LCIDToLocaleName GetUserDefaultUILanguage GetModuleHandleW IsProcessorFeaturePresent GetProcAddress LoadLibraryA SetFileCompletionNotificationModes CreateIoCompletionPort IsDebuggerPresent GetSystemTimeAsFileTime GetSystemInfo GetQueuedCompletionStatusEx SetFileInformationByHandle SetFilePointerEx FlushFileBuffers CreateWaitableTimerExW LoadLibraryExA HeapFree InitializeCriticalSectionAndSpinCount SleepConditionVariableSRW WakeAllConditionVariable OutputDebugStringA OutputDebugStringW LoadLibraryExW GetProcessHeap FreeLibrary GetVolumeInformationW GetDriveTypeW GetDiskFreeSpaceExW InitializeSListHead CloseHandle GetLogicalDriveStringsW AcquireSRWLockExclusive DeleteCriticalSection ReleaseSRWLockExclusive GetCurrentThreadId AddVectoredExceptionHandler QueryPerformanceCounter SystemTimeToFileTime PostQueuedCompletionStatus FindClose RtlLookupFunctionEntry SystemTimeToTzSpecificLocalTime

ntdll

NtCancelIoFileEx NtCreateFile NtWriteFile NtReadFile NtOpenFile NtDeviceIoControlFile RtlNtStatusToDosError NtCreateNamedPipeFile RtlGetVersion

shell32

DragQueryFileW SHAppBarMessage ShellExecuteW SHCreateItemFromParsingName SHGetKnownFolderPath DragFinish

ole32

RevokeDragDrop CoInitializeEx CoCreateInstance OleInitialize CoCreateFreeThreadedMarshaler CoTaskMemAlloc CoUninitialize RegisterDragDrop CoTaskMemFree

api-ms-win-core-synch-l1-2-0

WakeByAddressAll WakeByAddressSingle WaitOnAddress

user32

GetWindowTextW GetWindowTextLengthW SetWindowTextW GetMenu ToUnicodeEx MapVirtualKeyExW IsIconic GetKeyboardLayout GetKeyState SetWindowLongW GetSystemMenu ClipCursor GetClipCursor MonitorFromPoint IsWindowEnabled RegisterClassExW ShowCursor SystemParametersInfoW GetKeyboardState GetAsyncKeyState RegisterWindowMessageA IsWindowVisible EnableWindow SetPropW IsProcessDPIAware TrackPopupMenu RedrawWindow EnableMenuItem CheckMenuItem DrawTextW AdjustWindowRectEx GetWindowDC OffsetRect MapWindowPoints GetMenuBarInfo CreateIcon SetFocus SystemParametersInfoA SetMenu RemoveMenu AppendMenuW InsertMenuW CreatePopupMenu CreateWindowExW CreateMenu CreateAcceleratorTableW IsWindow GetWindow GetSystemMetrics RegisterTouchWindow DestroyAcceleratorTable DestroyIcon DestroyMenu SetParent FindWindowExW TranslateAcceleratorW GetUpdateRect GetParent GetCursorPos ValidateRect GetRawInputData GetMenuItemInfoW DrawMenuBar SetMenuItemInfoW DrawIconEx ReleaseDC GetDC SetWindowRgn EnumChildWindows DispatchMessageA GetMessageA MonitorFromWindow AdjustWindowRect RegisterRawInputDevices MsgWaitForMultipleObjectsEx GetMessageW PostThreadMessageW DispatchMessageW TranslateMessage CloseTouchInputHandle GetTouchInputInfo DestroyWindow TrackMouseEvent SetCapture ReleaseCapture FillRect GetWindowLongPtrW MonitorFromRect GetWindowLongW ScreenToClient PostQuitMessage DefWindowProcW SetWindowLongPtrW SetCursor LoadCursorW GetWindowPlacement SetWindowPlacement PeekMessageW ChangeDisplaySettingsExW GetMonitorInfoW UpdateWindow InvalidateRect SendMessageW SetCursorPos GetForegroundWindow InvalidateRgn SetWindowPos GetWindowRect GetClientRect FlashWindowEx GetActiveWindow ClientToScreen PostMessageW EnumDisplayMonitors SetWindowDisplayAffinity SendInput MapVirtualKeyW SetForegroundWindow ShowWindow

gdi32

CreateRectRgn BitBlt DeleteObject CreateSolidBrush CreateCompatibleDC GetDeviceCaps CreateDIBSection SetTextColor SelectObject SetBkMode DeleteDC CombineRgn

dwmapi

DwmEnableBlurBehindWindow DwmGetWindowAttribute DwmSetWindowAttribute

oleaut32

SetErrorInfo SysStringLen GetErrorInfo SysFreeString

comctl32

SetWindowSubclass DefSubclassProc RemoveWindowSubclass TaskDialogIndirect

advapi32

SystemFunction036 OpenProcessToken GetTokenInformation RegCloseKey RegOpenKeyExW RegGetValueW RegEnumValueW RegEnumKeyExW EventRegister EventSetInformation EventWriteTransfer EventUnregister RegQueryValueExW RegDeleteValueW RegSetValueExW

shlwapi

SHCreateMemStream

bcryptprimitives

ProcessPrng

ws2_32

shutdown recv freeaddrinfo listen WSACleanup WSAStartup getaddrinfo WSAIoctl socket getsockname getpeername bind ioctlsocket WSASocketW WSASend closesocket accept getsockopt connect WSAGetLastError send setsockopt

bcrypt

BCryptGenRandom

crypt32

CertOpenStore CertFreeCertificateChain CertDuplicateCertificateChain CertFreeCertificateContext CertCloseStore CertGetCertificateChain CertAddCertificateContextToStore CertVerifyCertificateChainPolicy CertDuplicateCertificateContext CertDuplicateStore CertEnumCertificatesInStore

secur32

InitializeSecurityContextW FreeCredentialsHandle AcquireCredentialsHandleA ApplyControlToken QueryContextAttributesW DecryptMessage EncryptMessage FreeContextBuffer DeleteSecurityContext AcceptSecurityContext

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

pow trunc round __setusermatherr roundf floor

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

wcslen strcmp strlen wcsncmp wcscmp wcsncat _wcsicmp strcpy_s

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

wcstol _ultow_s _wtoi

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

exit _get_initial_narrow_environment _initialize_narrow_environment __p___argc _configure_narrow_argv _exit _initialize_onexit_table _initterm _register_onexit_function _crt_atexit _cexit terminate _seh_filter_exe __p___argv _register_thread_local_exe_atexit_callback _initterm_e abort _set_app_type _c_exit

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

_set_fmode __p__commode

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

_configthreadlocale

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

malloc _callnewh _set_new_mode free calloc

Sharing

General

Malware Config

Signatures

File Explorer

YuukiPS_2.0.15_x64-setup.exe

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

generic

$PLUGINSDIR/System.dll

kernel32

user32

ole32

generic

$PLUGINSDIR/modern-wizard.bmp

$PLUGINSDIR/nsDialogs.dll

kernel32

user32

gdi32

shell32

comdlg32

ole32

generic

yuukips-launcher.exe

kernel32

ntdll

shell32

ole32

api-ms-win-core-synch-l1-2-0

user32

gdi32

dwmapi

oleaut32

comctl32

advapi32

shlwapi

bcryptprimitives

ws2_32

bcrypt

crypt32

secur32

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

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

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

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

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

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

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

generic