exloader[.]exe

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General

Target

exloader.exe
Size

329KB
MD5

d35ef88706f95736b81fb353cd45776a
SHA1

3c385ee0a1009de6cab322f1cb27adcf5dca6480
SHA256

99d473e07f40a5d041a34b3413b895ea61cda9bf8413cf08c87b8fd0b28569e4
SHA512

ed8d2a313f797ad37e8ec12ce0f17fb09bae8e8a6a3f36264099083b9f9efc05e6a78d43aa1b38eccaeb6b9248fdefd8a859f3df22260131ae474085032edcc2
SSDEEP

6144:aGFYw8ZWCq7QvT94YaTCm8usR0uZkpqgPAhJIDcQW+PBY6mG+pWYGZ8YXU:a5tZWCq7QvT94b3uZkp9PAJ+pzmGq5aY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
exloader.exe

Files

exloader.exe
.exe windows:6 windows x64 arch:x64

d5748cbba14e4e1375a3bda3d8e8358b

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

DwmSetWindowAttribute

flutter_windows

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

kernel32

GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess
GetCurrentProcess
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
GetSystemTimeAsFileTime
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
LoadLibraryExA
VirtualQuery
VirtualProtect
GetSystemInfo
GetLastError
RaiseException
RtlLookupFunctionEntry
LoadLibraryA
GetModuleHandleW
FreeLibrary
AllocConsole
WideCharToMultiByte
LocalFree
WaitForSingleObject
GetTickCount64
GetCurrentDirectoryW
IsDebuggerPresent
GetModuleFileNameW
GetModuleHandleA
GetProcAddress
SetDllDirectoryW
AttachConsole
GetCommandLineW
InitializeSListHead

user32

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

shell32

CommandLineToArgvW

ole32

CoUninitialize
CoInitializeEx

advapi32

RegGetValueW

msvcp140

?_Raise_handler@std@@3P6AXAEBVexception@stdext@@@ZEA
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?sync_with_stdio@ios_base@std@@SA_N_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@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
?_Throw_Cpp_error@std@@YAXH@Z
_Cnd_do_broadcast_at_thread_exit
_Thrd_sleep
_Thrd_detach
_Query_perf_frequency
_Query_perf_counter
_Xtime_get_ticks
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Xinvalid_argument@std@@YAXPEBD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z

vcruntime140

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

vcruntime140_1

__CxxFrameHandler4

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

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

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

_set_new_mode
free
_callnewh
malloc

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

srand
rand

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

strtoll
atof

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

_time64

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

_dup2
_fileno
freopen_s
__acrt_iob_func
_set_fmode
__stdio_common_vsprintf
__p__commode
__stdio_common_vsprintf_s

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 165KB - Virtual size: 165KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 46KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

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: 1024B - Virtual size: 528B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d5748cbba14e4e1375a3bda3d8e8358b

Headers

DLL Characteristics

File Characteristics

Imports

dwmapi

flutter_windows

kernel32

user32

shell32

ole32

advapi32

msvcp140

vcruntime140

vcruntime140_1

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

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

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

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

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

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

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

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

Sections

.text Size: 165KB - Virtual size: 165KB

.rdata Size: 46KB - Virtual size: 46KB

.data Size: 4KB - Virtual size: 6KB

.pdata Size: 7KB - Virtual size: 6KB

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

.reloc Size: 1024B - Virtual size: 528B

.text
Size: 165KB - Virtual size: 165KB

.rdata
Size: 46KB - Virtual size: 46KB

.data
Size: 4KB - Virtual size: 6KB

.pdata
Size: 7KB - Virtual size: 6KB

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

.reloc
Size: 1024B - Virtual size: 528B