Static task
static1
Behavioral task
behavioral1
Sample
N3XUS.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
N3XUS.exe
Resource
win10v2004-20241007-en
General
-
Target
N3XUS.exe
-
Size
255KB
-
MD5
a5c463cb69a24c37d962587706f4df4b
-
SHA1
634520f698c5ce7df3e51174fe64306b1b0f1bfe
-
SHA256
dcf5453a2be04f3ebe45d56e631a9cadb573b27de1ef142ecd958ba8560f0dd0
-
SHA512
92f61d162802401ae7473e235becd580419a57e1cfe99475166717d93de26e51ecbd60bbebbe0b9a6a8fe15bb1c42c9f31676cef37815f040a0c408108c04c2e
-
SSDEEP
3072:Sz2z1EWSnEvrSmD+l25mFdO4em5guIg+GtfDVVtTzKE:Sz2zBvrSmD/d4z5UlqDVvzKE
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource N3XUS.exe
Files
-
N3XUS.exe.exe windows:6 windows x64 arch:x64
aabb4da55e32b8f4381d6233ff50450b
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
VirtualAlloc
CreateMutexA
WaitForSingleObject
CreateFileW
SuspendThread
ResumeThread
Sleep
GetTempPathA
GetLastError
OpenMutexA
LoadLibraryA
CloseHandle
GetProcAddress
VirtualAllocEx
GlobalMemoryStatusEx
CreateProcessW
FreeLibrary
CreateRemoteThread
CreateProcessA
GetExitCodeProcess
FormatMessageA
GetLocaleInfoEx
FindClose
FindFirstFileW
GetFileAttributesExW
WriteFile
AreFileApisANSI
GetModuleHandleW
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
WriteProcessMemory
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
LocalFree
msvcp140
?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
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_ios@DU?$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@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
?good@ios_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?tolower@?$ctype@D@std@@QEBAPEBDPEADPEBD@Z
?tolower@?$ctype@D@std@@QEBADD@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??1facet@locale@std@@MEAA@XZ
??0facet@locale@std@@IEAA@_K@Z
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?_Incref@facet@locale@std@@UEAAXXZ
??Bid@locale@std@@QEAA_KXZ
?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ
??1_Locinfo@std@@QEAA@XZ
??0_Locinfo@std@@QEAA@PEBD@Z
_Strxfrm
_Query_perf_frequency
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Xbad_alloc@std@@YAXXZ
?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z
?_Winerror_map@std@@YAHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
_Query_perf_counter
_Strcoll
?_Syserror_map@std@@YAPEBDH@Z
?id@?$collate@D@std@@2V0locale@2@A
?_Xlength_error@std@@YAXPEBD@Z
?_Random_device@std@@YAIXZ
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
dxgi
CreateDXGIFactory
wininet
InternetCloseHandle
InternetOpenUrlA
InternetReadFile
InternetOpenA
crypt32
CryptStringToBinaryA
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memset
_CxxThrowException
__C_specific_handler
__current_exception_context
__current_exception
memcpy
strchr
__std_terminate
__std_exception_copy
memchr
memcmp
memmove
__std_exception_destroy
api-ms-win-crt-stdio-l1-1-0
fgetc
_set_fmode
fwrite
fclose
__stdio_common_vfprintf
__acrt_iob_func
__p__commode
fgetpos
fputc
setvbuf
fflush
ungetc
fsetpos
fread
_fseeki64
_get_stream_buffer_pointers
_flushall
api-ms-win-crt-heap-l1-1-0
_set_new_mode
malloc
realloc
_callnewh
free
api-ms-win-crt-utility-l1-1-0
srand
rand
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-runtime-l1-1-0
terminate
_initialize_narrow_environment
abort
_initialize_onexit_table
_register_onexit_function
_invalid_parameter_noinfo_noreturn
_cexit
_seh_filter_exe
_set_app_type
_get_narrow_winmain_command_line
_configure_narrow_argv
_register_thread_local_exe_atexit_callback
_c_exit
_exit
exit
_initterm_e
_crt_atexit
_initterm
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
___lc_codepage_func
api-ms-win-crt-math-l1-1-0
log
tan
sin
__setusermatherr
cos
pow
exp
Sections
.text Size: 208KB - Virtual size: 207KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 492B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ