Static task
static1
Behavioral task
behavioral1
Sample
loader_fn_hack.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
loader_fn_hack.exe
Resource
win10v2004-20240802-en
General
-
Target
loader_fn_hack.exe
-
Size
494KB
-
MD5
1b11a579205b36e3fa3329d55ef443b2
-
SHA1
12d26104afcc17dd36bddf8f3943ea8ec71bc15e
-
SHA256
2e5be386b1b5ae75d64c467ff361c0c1c8a694d920e270af70860f3d1b7d20b2
-
SHA512
4645864fea6c7e33214ccc73fee314968f880af7e24886ee9c5c15bca625a2b8a54608b5754b4b7d634a423983b90db1fce82e70a6fd318431fd24d92da85536
-
SSDEEP
6144:lK2VfGFeQ0yf1va8qwba/DN26nUEHSRurs6ZU18HvrDR6encr3U/OUDDXaRNEv7B:tUfURlnzyRqXHHUeniADvXaMvU5o
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource loader_fn_hack.exe
Files
-
loader_fn_hack.exe.exe windows:6 windows x64 arch:x64
83a61e7822878b96ed942784091b0b71
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
kernel32
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
QueryPerformanceFrequency
QueryPerformanceCounter
CreateToolhelp32Snapshot
MultiByteToWideChar
Sleep
Process32NextW
CloseHandle
CreateThread
WideCharToMultiByte
GetConsoleWindow
SetConsoleTitleW
LoadLibraryA
GetModuleHandleW
WaitForSingleObjectEx
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
InitializeCriticalSectionAndSpinCount
IsProcessorFeaturePresent
GetCurrentProcessId
LeaveCriticalSection
GetCurrentThreadId
GetSystemTimeAsFileTime
EnterCriticalSection
InitializeSListHead
GetCurrentProcess
TerminateProcess
OutputDebugStringW
DeleteCriticalSection
GetLastError
InitializeCriticalSectionEx
GetProcAddress
IsDebuggerPresent
CreateEventW
user32
GetWindowLongW
SetClipboardData
DefWindowProcW
GetWindow
GetWindowRect
DestroyWindow
SetWindowPos
CreateWindowExW
GetSystemMetrics
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
GetCursorPos
SetCursorPos
ReleaseCapture
GetClientRect
SetCursor
SetCapture
LoadCursorW
ClientToScreen
UnregisterClassW
GetCapture
RegisterClassExW
ShowWindow
DispatchMessageW
PeekMessageW
GetForegroundWindow
MoveWindow
GetActiveWindow
ScreenToClient
GetKeyState
TranslateMessage
SetWindowLongW
PostQuitMessage
FindWindowA
UpdateWindow
msvcp140
?_Xlength_error@std@@YAXPEBD@Z
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?uncaught_exception@std@@YA_NXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
imm32
ImmSetCompositionWindow
ImmGetContext
ImmReleaseContext
d3d9
Direct3DCreate9Ex
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memcpy
memcmp
memchr
memmove
memset
_CxxThrowException
__C_specific_handler
__current_exception_context
__current_exception
strchr
strstr
__std_terminate
__std_exception_copy
__std_exception_destroy
api-ms-win-crt-runtime-l1-1-0
_c_exit
__p___argv
system
__p___argc
terminate
_invalid_parameter_noinfo_noreturn
_configure_narrow_argv
_initialize_narrow_environment
_exit
_initterm_e
_register_thread_local_exe_atexit_callback
_initterm
_get_initial_narrow_environment
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
exit
api-ms-win-crt-stdio-l1-1-0
ftell
__acrt_iob_func
_get_stream_buffer_pointers
_fseeki64
fsetpos
ungetc
setvbuf
fgetpos
__stdio_common_vsnprintf_s
__p__commode
fgetc
__stdio_common_vsprintf_s
fputc
_set_fmode
fflush
fclose
fseek
__stdio_common_vsscanf
fread
__stdio_common_vsprintf
_wfopen
fwrite
__stdio_common_vfprintf
api-ms-win-crt-string-l1-1-0
strncpy
isprint
strcmp
api-ms-win-crt-utility-l1-1-0
qsort
rand
api-ms-win-crt-heap-l1-1-0
free
malloc
_set_new_mode
_callnewh
api-ms-win-crt-convert-l1-1-0
atof
wcstombs_s
api-ms-win-crt-filesystem-l1-1-0
remove
_unlock_file
_lock_file
api-ms-win-crt-math-l1-1-0
tanf
powf
sinf
__setusermatherr
sqrtf
pow
floorf
cosf
ceilf
asin
fmodf
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 278KB - Virtual size: 277KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 54KB - Virtual size: 53KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 147KB - Virtual size: 150KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 464B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 368B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ