exloader[.]exe

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General

Target

exloader.exe
Size

207KB
MD5

ee1507f73475f6fb555c2f3f8c083e9c
SHA1

c6e9db5b4326da92debb81f98cce01967a3281a6
SHA256

136129fff70947e6cc2beef0b40624b4913d664173eb3f55d495e465e7e1dc0d
SHA512

8b925f67ce70e2a4aa8fe6928886e7193ef71adcf3f3fe0d50234807ef75735e517b98c76be2bcb65f98a7b0f9a117f888b0670a57efd6badefadc2516b4b110
SSDEEP

3072:MOOK1KpqVTIpglODk3jOvlmX9bwX2Ok7ML0Ad10zCWSWnqXLZILBPdGYXFVU:MOO8K5nDk3jcqwXRk7Mg+pWYGZ8YXU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
exloader.exe

Files

exloader.exe
.exe windows x64

0e365b7cd55efb1e6e8352b33cfab7a5

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

flutter_windows

FlutterDesktopResyncOutputStreams
FlutterDesktopGetDpiForMonitor
FlutterDesktopEngineCreate
FlutterDesktopEngineDestroy
FlutterDesktopMessengerUnlock
FlutterDesktopMessengerLock
FlutterDesktopMessengerIsAvailable
FlutterDesktopMessengerRelease
FlutterDesktopMessengerAddRef
FlutterDesktopMessengerSetCallback
FlutterDesktopMessengerSendResponse
FlutterDesktopMessengerSendWithReply
FlutterDesktopMessengerSend
FlutterDesktopViewControllerHandleTopLevelWindowProc
FlutterDesktopViewControllerGetView
FlutterDesktopViewControllerDestroy
FlutterDesktopViewControllerCreate
FlutterDesktopEngineGetMessenger
FlutterDesktopEngineGetPluginRegistrar
FlutterDesktopEngineReloadSystemFonts
FlutterDesktopViewGetHWND

kernel32

InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess
GetCurrentProcess
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
CloseHandle
LoadLibraryExA
VirtualQuery
VirtualProtect
GetSystemInfo
GetLastError
RaiseException
ReadProcessMemory
GetModuleHandleA
GetProcAddress
GetCurrentDirectoryW
IsDebuggerPresent
GetModuleFileNameW
SetDllDirectoryW
AttachConsole
GetCommandLineW
LocalFree
WideCharToMultiByte
AllocConsole
FreeLibrary
GetModuleHandleW
LoadLibraryA

user32

GetAncestor
GetMessageW
TranslateMessage
DispatchMessageW
MonitorFromPoint
LoadIconW
LoadCursorW
SetParent
SetWindowLongPtrW
GetWindowLongPtrW
GetWindowRect
GetClientRect
SetForegroundWindow
GetSystemMetrics
SetFocus
IsIconic
IsWindowVisible
SetWindowPos
MoveWindow
ShowWindow
DestroyWindow
CreateWindowExW
UnregisterClassW
RegisterClassW
PostQuitMessage
DefWindowProcW
PostMessageW
GetMonitorInfoW

shell32

CommandLineToArgvW

ole32

CoInitializeEx
CoUninitialize

msvcp140

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

vcruntime140

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

vcruntime140_1

__CxxFrameHandler4

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

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

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

_stricmp
isdigit

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

_callnewh
_set_new_mode
malloc
free

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

_fileno
_set_fmode
freopen_s
__acrt_iob_func
_dup2
__stdio_common_vsprintf
__stdio_common_vsprintf_s
__p__commode

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

atof

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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: 104KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 356B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0e365b7cd55efb1e6e8352b33cfab7a5

Headers

DLL Characteristics

File Characteristics

Imports

flutter_windows

kernel32

user32

shell32

ole32

msvcp140

vcruntime140

vcruntime140_1

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

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

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

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

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

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

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

Sections

.text Size: 68KB - Virtual size: 68KB

.rdata Size: 26KB - Virtual size: 25KB

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

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

.rsrc Size: 104KB - Virtual size: 103KB

.reloc Size: 512B - Virtual size: 356B

.text
Size: 68KB - Virtual size: 68KB

.rdata
Size: 26KB - Virtual size: 25KB

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

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

.rsrc
Size: 104KB - Virtual size: 103KB

.reloc
Size: 512B - Virtual size: 356B