unyo[.]exe | Triage

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General

Target

unyo.exe
Size

152KB
MD5

058484394d47005c73a1d863e90c9297
SHA1

5051eede7dc28ba27734211dd79a640231284e0a
SHA256

5efed53b9336e52e2ac4366152473be211b93d5c42061e7cbdcdafaa1ff21e24
SHA512

c85b7194adb18a20ee09f5e5e871292570e141be9c853686f42b4ff486cb37c8ef7530d7107b33f53eb686300d1d8884f5b590e662ded99cac268acfda9390f2
SSDEEP

3072:6vFyx6zizf3BBZIkHllHdlsJqIdrkcjIiLx73LpgT95d0:6vFyoizf3ykHllHdlsJqMwmLx7Fu5K

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unyo.exe

Files

unyo.exe
.exe windows:6 windows x64 arch:x64

8f3b25244b05b11fb681e55a3c7ec025

Headers

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

Imports

dwmapi

DwmExtendFrameIntoClientArea
DwmSetWindowAttribute

desktop_keep_screen_on_plugin

DesktopKeepScreenOnPluginCApiRegisterWithRegistrar

fvp_plugin

FvpPluginCApiRegisterWithRegistrar

screen_retriever_plugin

ScreenRetrieverPluginRegisterWithRegistrar

url_launcher_windows_plugin

UrlLauncherWindowsRegisterWithRegistrar

window_manager_plugin

WindowManagerPluginRegisterWithRegistrar

flutter_windows

FlutterDesktopViewControllerCreate
FlutterDesktopViewGetHWND
FlutterDesktopRegistrarGetTextureRegistrar
FlutterDesktopPluginRegistrarGetMessenger
FlutterDesktopPluginRegistrarGetView
FlutterDesktopPluginRegistrarSetDestructionHandler
FlutterDesktopTextureRegistrarMarkExternalTextureFrameAvailable
FlutterDesktopTextureRegistrarUnregisterExternalTexture
FlutterDesktopTextureRegistrarRegisterExternalTexture
FlutterDesktopMessengerUnlock
FlutterDesktopMessengerLock
FlutterDesktopMessengerIsAvailable
FlutterDesktopMessengerRelease
FlutterDesktopMessengerAddRef
FlutterDesktopMessengerSetCallback
FlutterDesktopMessengerSendResponse
FlutterDesktopMessengerSendWithReply
FlutterDesktopMessengerSend
FlutterDesktopViewControllerHandleTopLevelWindowProc
FlutterDesktopViewControllerForceRedraw
FlutterDesktopViewControllerGetView
FlutterDesktopViewControllerDestroy
FlutterDesktopResyncOutputStreams
FlutterDesktopEngineSetNextFrameCallback
FlutterDesktopEngineGetMessenger
FlutterDesktopEngineGetPluginRegistrar
FlutterDesktopEngineReloadSystemFonts
FlutterDesktopEngineDestroy
FlutterDesktopEngineCreate
FlutterDesktopGetDpiForMonitor

comctl32

ord413
ord410

kernel32

GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
GetProcessHeap
ReleaseSRWLockExclusive
HeapFree
LoadLibraryA
GetProcAddress
GetModuleHandleW
FreeLibrary
AllocConsole
WideCharToMultiByte
LocalFree
GetCommandLineW
AttachConsole
IsDebuggerPresent
GetSystemTimeAsFileTime
GetCurrentThreadId
InitializeSListHead
AcquireSRWLockExclusive
GetStartupInfoW

user32

GetMonitorInfoW
MonitorFromWindow
UnhookWindowsHookEx
GetMessageW
TranslateMessage
DispatchMessageW
DefWindowProcW
PostQuitMessage
RegisterClassW
UnregisterClassW
CreateWindowExW
DestroyWindow
ShowWindow
MoveWindow
SetWindowPos
SetFocus
GetClientRect
GetWindowLongPtrW
SetWindowLongPtrW
SetParent
LoadCursorW
LoadIconW
MonitorFromPoint
SendMessageW
IsZoomed
ReleaseCapture
GetSystemMetrics
SetPropW
SetWindowTextW
GetCursorPos
ScreenToClient
SetWindowsHookExW

shell32

CommandLineToArgvW

ole32

CoUninitialize
CoInitializeEx

advapi32

RegGetValueW

msvcp140

?sync_with_stdio@ios_base@std@@SA_N_N@Z
?_Raise_handler@std@@3P6AXAEBVexception@stdext@@@ZEA
?_Xlength_error@std@@YAXPEBD@Z
?_Xbad_function_call@std@@YAXXZ
?good@ios_base@std@@QEBA_NXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?flags@ios_base@std@@QEBAHXZ
?width@ios_base@std@@QEBA_JXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?width@ios_base@std@@QEAA_J_J@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memcpy
__C_specific_handler
_CxxThrowException
__std_exception_destroy
__std_exception_copy
__current_exception_context
__current_exception
memcmp
__std_type_info_compare
memmove
memset
__std_terminate

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

_register_onexit_function
_configure_wide_argv
_invoke_watson
terminate
_seh_filter_exe
_initialize_onexit_table
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
_set_app_type
_initialize_wide_environment
_get_wide_winmain_command_line
_crt_atexit
_exit
exit
_initterm_e
_initterm
_invalid_parameter_noinfo_noreturn

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

freopen_s
_fileno
__p__commode
_set_fmode
__acrt_iob_func
_dup2

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

ceil
__setusermatherr

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

_set_new_mode
_callnewh
malloc
free

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

_configthreadlocale

Exports

Exports

bitsdojo_window_api

Sections

.text
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 61KB - Virtual size: 60KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 436B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8f3b25244b05b11fb681e55a3c7ec025

Headers

DLL Characteristics

File Characteristics

Imports

dwmapi

desktop_keep_screen_on_plugin

fvp_plugin

screen_retriever_plugin

url_launcher_windows_plugin

window_manager_plugin

flutter_windows

comctl32

kernel32

user32

shell32

ole32

advapi32

msvcp140

vcruntime140_1

vcruntime140

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

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

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

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

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

Exports

Exports

Sections

.text Size: 58KB - Virtual size: 57KB

.rdata Size: 24KB - Virtual size: 24KB

.data Size: 3KB - Virtual size: 5KB

.pdata Size: 4KB - Virtual size: 3KB

.rsrc Size: 61KB - Virtual size: 60KB

.reloc Size: 512B - Virtual size: 436B

.text
Size: 58KB - Virtual size: 57KB

.rdata
Size: 24KB - Virtual size: 24KB

.data
Size: 3KB - Virtual size: 5KB

.pdata
Size: 4KB - Virtual size: 3KB

.rsrc
Size: 61KB - Virtual size: 60KB

.reloc
Size: 512B - Virtual size: 436B