Static task
static1
Behavioral task
behavioral1
Sample
noctur.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
noctur.exe
Resource
win10v2004-20230220-en
General
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Target
5c5fed7adafc82ca9268d90712f224e5.bin
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Size
15KB
-
MD5
5c5fed7adafc82ca9268d90712f224e5
-
SHA1
b1958370fc5809b5d9fb89356e86fdfe64ac9fab
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SHA256
edf6abe421342a6dfe11cdc0ff10bd34133bfe8951d1a9874e8a46681a55e92f
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SHA512
ebe4ea574d0ad6ac7d568115bd0b9cd9978c4e6e75c5a92a6f74c5af3af8f2fc09d3e0ee732500518fe90636b37a649a20197d06882f94e51b5732168097a051
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SSDEEP
384:swaQxk0AWqfVjedggcfkXgg6xsIAAWIfOF:swaik7nfVjeGgrhoGF
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/noctur.exe
Files
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5c5fed7adafc82ca9268d90712f224e5.bin.rar
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noctur.exe.exe windows x64
7b66fce188cfae0f09a88af81e317e3e
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
kernel32
MultiByteToWideChar
WideCharToMultiByte
RaiseException
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
IsDebuggerPresent
LoadLibraryA
GetProcAddress
GetModuleHandleW
TerminateThread
CreateThread
ExitProcess
Sleep
CloseHandle
WriteFile
RtlCaptureContext
CreateFileW
FreeLibrary
VirtualQuery
GetProcessHeap
HeapFree
HeapAlloc
GetLastError
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
GetStartupInfoW
GetCurrentThreadId
user32
GetDC
InvalidateRect
GetWindowRect
MessageBoxW
GetDesktopWindow
GetSystemMetrics
gdi32
StretchBlt
SelectObject
Rectangle
PlgBlt
DeleteObject
DeleteDC
CreateSolidBrush
CreateHatchBrush
CreateCompatibleDC
CreateCompatibleBitmap
BitBlt
winmm
waveOutWrite
waveOutUnprepareHeader
waveOutClose
waveOutPrepareHeader
waveOutOpen
vcruntime140d
__C_specific_handler
memcpy
__C_specific_handler_noexcept
__std_type_info_destroy_list
__current_exception
__current_exception_context
__vcrt_GetModuleFileNameW
__vcrt_GetModuleHandleW
__vcrt_LoadLibraryExW
ucrtbased
_register_onexit_function
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
terminate
_wmakepath_s
_wsplitpath_s
wcscpy_s
_seh_filter_dll
_configthreadlocale
_register_thread_local_exe_atexit_callback
_c_exit
__stdio_common_vsprintf_s
_set_fmode
_exit
exit
_initterm_e
_initterm
_get_narrow_winmain_command_line
_configure_narrow_argv
__setusermatherr
_set_app_type
_seh_filter_exe
_CrtDbgReportW
_CrtDbgReport
rand
strcat_s
_initialize_onexit_table
strcpy_s
__p__commode
_cexit
_set_new_mode
_initialize_narrow_environment
Sections
.textbss Size: - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 42KB - Virtual size: 41KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.msvcjmc Size: 512B - Virtual size: 470B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 373B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 770B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ