Static task
static1
Behavioral task
behavioral1
Sample
NEPS.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEPS.dll
Resource
win10v2004-20230831-en
General
-
Target
NEPS.dll
-
Size
2.7MB
-
MD5
f5160a1e554222d9bf5f07f2a5427617
-
SHA1
4ca2a5798c598c16f4d452049837dfae88ad57c5
-
SHA256
11474182e4b3c7c8003c254b75bec16fb275e12858eea162310da039cb4b9038
-
SHA512
013241988950adbdc93b97ada3e575ff6434cd921cac7eb7c12cbede8d22c7f91dfc9a81c18af23743235f9f2cefa426a89f508d1dafa8f454d97b6b55a5a3f0
-
SSDEEP
49152:2aX7R4RetN6YE4SqKxif2ZU+LKvKJer0AlpE/F/l:2etNJzy7ev/TK/z
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEPS.dll
Files
-
NEPS.dll.dll windows x86
c5ba60253edb9c4ec441cd7b64820a89
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
msvcp140
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
??0_Locinfo@std@@QAE@PBD@Z
??0_Lockit@std@@QAE@H@Z
??0facet@locale@std@@IAE@I@Z
??0ios_base@std@@IAE@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
??1_Locinfo@std@@QAE@XZ
??1_Lockit@std@@QAE@XZ
??1facet@locale@std@@MAE@XZ
??1ios_base@std@@UAE@XZ
?_Decref@facet@locale@std@@UAEPAV_Facet_base@3@XZ
?_Fiopen@std@@YAPAU_iobuf@@PB_WHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?_Getcat@?$ctype@D@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?_Getcvt@_Locinfo@std@@QBE?AU_Cvtvec@@XZ
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
?_Id_cnt@id@locale@std@@0HA
?_Incref@facet@locale@std@@UAEXXZ
?_Init@locale@std@@CAPAV_Locimp@12@_N@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?_Rethrow_future_exception@std@@YAXVexception_ptr@1@@Z
?_Syserror_map@std@@YAPBDH@Z
?_Throw_C_error@std@@YAXH@Z
?_Throw_Cpp_error@std@@YAXH@Z
?_Throw_future_error@std@@YAXABVerror_code@1@@Z
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Winerror_map@std@@YAHH@Z
?_Xbad_alloc@std@@YAXXZ
?_Xbad_function_call@std@@YAXXZ
?_Xlength_error@std@@YAXPBD@Z
?_Xout_of_range@std@@YAXPBD@Z
?__ExceptionPtrAssign@@YAXPAXPBX@Z
?__ExceptionPtrCopy@@YAXPAXPBX@Z
?__ExceptionPtrCopyException@@YAXPAXPBX1@Z
?__ExceptionPtrCreate@@YAXPAX@Z
?__ExceptionPtrCurrentException@@YAXPAX@Z
?__ExceptionPtrDestroy@@YAXPAX@Z
?__ExceptionPtrToBool@@YA_NPBX@Z
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
?fail@ios_base@std@@QBE_NXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
?getloc@ios_base@std@@QBE?AVlocale@2@XZ
?good@ios_base@std@@QBE_NXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?id@?$ctype@D@std@@2V0locale@2@A
?id@?$numpunct@D@std@@2V0locale@2@A
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
?init@?$basic_ios@DU?$char_traits@D@std@@@std@@IAEXPAV?$basic_streambuf@DU?$char_traits@D@std@@@2@_N@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?uncaught_exceptions@std@@YAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
_Cnd_broadcast
_Cnd_destroy_in_situ
_Cnd_do_broadcast_at_thread_exit
_Cnd_init_in_situ
_Cnd_register_at_thread_exit
_Cnd_unregister_at_thread_exit
_Cnd_wait
_Mtx_destroy_in_situ
_Mtx_init_in_situ
_Mtx_lock
_Mtx_trylock
_Mtx_unlock
_Query_perf_counter
_Query_perf_frequency
_Thrd_detach
_Thrd_hardware_concurrency
_Thrd_id
_Thrd_join
_Thrd_sleep
_Thrd_yield
_Xtime_get_ticks
msvcp140_atomic_wait
__std_atomic_notify_all_direct
__std_atomic_notify_one_direct
__std_atomic_wait_direct
winmm
PlaySoundA
user32
ClientToScreen
CloseClipboard
EmptyClipboard
GetAsyncKeyState
GetCapture
GetClientRect
GetClipboardData
GetCursorPos
GetForegroundWindow
GetKeyState
IsChild
LoadCursorA
OpenClipboard
ReleaseCapture
ScreenToClient
SetCapture
SetClipboardData
SetCursor
SetCursorPos
kernel32
AllocConsole
AreFileApisANSI
CloseHandle
CreateDirectoryW
CreateFileW
CreateToolhelp32Snapshot
DisableThreadLibraryCalls
FlushInstructionCache
FormatMessageA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetFileAttributesExW
GetFileInformationByHandleEx
GetLastError
GetModuleHandleA
GetProcAddress
GetSystemTimeAsFileTime
GetThreadContext
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
HeapAlloc
HeapCreate
HeapFree
HeapReAlloc
InitializeSListHead
IsBadReadPtr
IsDebuggerPresent
IsProcessorFeaturePresent
LocalFree
MultiByteToWideChar
OpenThread
QueryPerformanceCounter
QueryPerformanceFrequency
ResumeThread
SetThreadContext
SetUnhandledExceptionFilter
Sleep
SuspendThread
TerminateProcess
Thread32First
Thread32Next
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WideCharToMultiByte
imm32
ImmGetContext
ImmReleaseContext
ImmSetCompositionWindow
xinput1_3
ord4
ord2
vcruntime140
_CxxThrowException
__CxxFrameHandler3
__std_exception_copy
__std_exception_destroy
__std_terminate
__std_type_info_destroy_list
_except_handler4_common
_setjmp3
longjmp
memchr
memcmp
memcpy
memmove
memset
strrchr
strstr
api-ms-win-crt-stdio-l1-1-0
__acrt_iob_func
__stdio_common_vsprintf
__stdio_common_vsprintf_s
__stdio_common_vsscanf
_fseeki64
_get_stream_buffer_pointers
_wfopen
fclose
fflush
fgetc
fgetpos
fopen
fputc
fread
freopen
fseek
fsetpos
ftell
fwrite
setvbuf
ungetc
api-ms-win-crt-heap-l1-1-0
_callnewh
calloc
free
malloc
api-ms-win-crt-runtime-l1-1-0
_beginthreadex
_cexit
_configure_narrow_argv
_crt_atexit
_errno
_execute_onexit_table
_initialize_narrow_environment
_initialize_onexit_table
_initterm
_initterm_e
_invalid_parameter_noinfo_noreturn
_register_onexit_function
_seh_filter_dll
abort
terminate
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
localeconv
api-ms-win-crt-math-l1-1-0
_dsign
_dtest
_fdsign
_fdtest
_ldsign
_ldtest
acos
asin
atan
atan2
ceil
cos
floor
fmod
log
pow
remainderf
roundf
sin
sqrt
tan
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
api-ms-win-crt-convert-l1-1-0
atof
strtod
strtol
strtoll
strtoull
api-ms-win-crt-time-l1-1-0
clock
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-string-l1-1-0
strcmp
strlen
strncmp
strncpy
toupper
Sections
.text Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 366KB - Virtual size: 365KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 4B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 424B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 48KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ