exloader[.]exe

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General

Target

exloader.exe
Size

329KB
MD5

d750f49bf66e34366c3f262fe0a65a03
SHA1

6e85fd3e244cc01c76e8d6a31816285362336fea
SHA256

1f636552427f93edb0369a9d3c17ac0132780eb3f49dce48ec1e1196b82d70b7
SHA512

0a7900f5a92e12011507943fb4d5403137e89135c30786c397e9e6fc5aa1b80ec68cb36185e4fab333d729cc01c6dac96218b13c1fcb9f608a8a1482a820f3dc
SSDEEP

6144:I2t57QzwDE3TYE9dK7kF+J3S8CMLyD9IZE+XaEl6pZb+pWYGZ8YXE:R5QzwDgkydK7kF83SJ9Klk5q5a8YXE

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

1ede0824344823eb3953d129c5e8e01d

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

FlutterDesktopViewGetHWND
FlutterDesktopResyncOutputStreams
FlutterDesktopMessengerUnlock
FlutterDesktopMessengerLock
FlutterDesktopMessengerIsAvailable
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
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
GetSystemTimeAsFileTime
Sleep
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
LoadLibraryExA
VirtualQuery
VirtualProtect
GetSystemInfo
GetLastError
RaiseException
WakeAllConditionVariable
LoadLibraryA
WaitForSingleObject
GetTickCount64
GetCurrentDirectoryW
IsDebuggerPresent
GetModuleFileNameW
GetModuleHandleA
GetProcAddress
SetDllDirectoryW
AttachConsole
GetCommandLineW
LocalFree
WideCharToMultiByte
AllocConsole
FreeLibrary
GetModuleHandleW
InitializeSListHead

user32

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

shell32

CommandLineToArgvW

ole32

CoUninitialize
CoInitializeEx

advapi32

RegGetValueW

msvcp140

?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
?_Throw_Cpp_error@std@@YAXH@Z
_Cnd_do_broadcast_at_thread_exit
_Thrd_detach
_Query_perf_frequency
_Query_perf_counter
?_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
?sync_with_stdio@ios_base@std@@SA_N_N@Z

vcruntime140

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

vcruntime140_1

__CxxFrameHandler4

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

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

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

free
_set_new_mode
malloc
_callnewh

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

srand
rand

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

atof
strtoll

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

_time64

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

_fileno
__stdio_common_vsprintf_s
__acrt_iob_func
__p__commode
_set_fmode
freopen_s
__stdio_common_vsprintf
_dup2

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 165KB - Virtual size: 164KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 47KB - 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

1ede0824344823eb3953d129c5e8e01d

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: 164KB

.rdata Size: 47KB - 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: 164KB

.rdata
Size: 47KB - 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