exloader[.]exe

Resubmissions

11-06-2024 14:57

240611-sbkrhs1gkk 3

11-06-2024 14:34

240611-rxtqwa1ckl 10

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General

Target

exloader.exe
Size

374KB
MD5

5f5c62095352d43aa3e0c44e523de441
SHA1

ebc3afb594a29bede8361b09de504d35dd6f082a
SHA256

7165426a7c1588e66f85f527eb7f8a78523d470a2b5b433239dd6806b4169d3d
SHA512

e920f6a28dce9c73f3906068aebd5d772a2ff600842d798a6f573a13f3b079b0dbcf5c14020c1e0ad0f589c9466699585b3ee55108b7ffa771c23f85251928d1
SSDEEP

6144:yzieeedDj8F69uBDbkkL2b96+9I3zyGaqI8ZexY1rnPAoViXbaGJEC6:9LedDCVDbkkCb96MGa9BxY1TfASC6

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

540f433e28042bd7ba97a1284c8b92ef

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

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

msvcp140

?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
?_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
?sync_with_stdio@ios_base@std@@SA_N_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?_Raise_handler@std@@3P6AXAEBVexception@stdext@@@ZEA

vcruntime140

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

vcruntime140_1

__CxxFrameHandler4

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

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

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

_set_new_mode
malloc
_callnewh
free

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

__stdio_common_vsprintf
__stdio_common_vsprintf_s
_dup2
_fileno
__p__commode
__acrt_iob_func
_set_fmode
freopen_s

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 168KB - Virtual size: 168KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 48KB - Virtual size: 47KB

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: 144KB - Virtual size: 144KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 532B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

540f433e28042bd7ba97a1284c8b92ef

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: 168KB - Virtual size: 168KB

.rdata Size: 48KB - Virtual size: 47KB

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

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

.rsrc Size: 144KB - Virtual size: 144KB

.reloc Size: 1024B - Virtual size: 532B

.text
Size: 168KB - Virtual size: 168KB

.rdata
Size: 48KB - Virtual size: 47KB

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

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

.rsrc
Size: 144KB - Virtual size: 144KB

.reloc
Size: 1024B - Virtual size: 532B