D:\vs_source_files\rbx-external-base\Build\Esp\external-sdk.pdb
Static task
static1
Behavioral task
behavioral1
Sample
Nezur.exe
Resource
win11-20240214-en
General
-
Target
Nezur.exe
-
Size
2.3MB
-
MD5
2de5e7ad2a4b42d4908db381316aae80
-
SHA1
147eae9674a608009093ff407f4b5657fa8045de
-
SHA256
2524f62673b318380ca7090323db693e238823544fc46a83100757a49e164f5d
-
SHA512
23993310ff5346222f4b022d9eb7932130bf3ceb668445f4624329134f4af8acee3f5f21d3eea9067eb49794c79c203e5903a4c832dbbc7989834c9307e24af9
-
SSDEEP
24576:bwWSoAQSRY7xagBZ27hm500Y7lF9Q68d1RGtN7zCEkXuzhMIdxyA8:XSqamKEF+FqhwAIdMIdx
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Nezur.exe
Files
-
Nezur.exe.exe windows:6 windows x64 arch:x64
ba41cdd569654b0cbfddf3e4773cd2d5
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
PDB Paths
Imports
d3d11
D3D11CreateDevice
d3dcompiler_47
D3DCompile
dwmapi
DwmExtendFrameIntoClientArea
ws2_32
listen
recv
getaddrinfo
freeaddrinfo
htonl
sendto
getpeername
ioctlsocket
gethostname
WSACreateEvent
recvfrom
WSAEnumNetworkEvents
send
WSAEventSelect
WSAResetEvent
WSAWaitForMultipleEvents
closesocket
WSACloseEvent
getsockname
WSASetLastError
connect
bind
accept
select
__WSAFDIsSet
socket
htons
WSAIoctl
WSAGetLastError
setsockopt
WSACleanup
getsockopt
ntohs
WSAStartup
normaliz
IdnToUnicode
IdnToAscii
advapi32
GetLengthSid
OpenProcessToken
FreeSid
InitializeSecurityDescriptor
InitializeAcl
SetKernelObjectSecurity
RegCloseKey
RegQueryValueExA
RegOpenKeyExA
RegSetValueExA
LookupPrivilegeValueA
AllocateAndInitializeSid
RegDeleteKeyA
RegOpenKeyA
AdjustTokenPrivileges
SetSecurityDescriptorDacl
LookupPrivilegeValueW
RegCreateKeyA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
ConvertSidToStringSidA
CopySid
SetSecurityInfo
IsValidSid
GetTokenInformation
AddAccessAllowedAce
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
AddAccessDeniedAce
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CertOpenStore
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
wldap32
ord46
ord217
ord143
ord211
ord60
ord301
ord200
ord30
ord79
ord35
ord33
ord32
ord27
ord26
ord45
ord22
ord41
ord50
kernel32
FormatMessageA
GetFileInformationByHandleEx
GetLocaleInfoEx
GetTempPathW
SetFileInformationByHandle
GetFullPathNameW
GetFileAttributesExW
GetFileAttributesW
FindNextFileW
FindFirstFileExW
FindFirstFileW
FindClose
CreateDirectoryW
GetCurrentDirectoryW
AreFileApisANSI
QueryFullProcessImageNameW
GetModuleHandleW
InitOnceComplete
InitOnceBeginInitialize
WakeAllConditionVariable
SleepConditionVariableSRW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
OutputDebugStringW
GetModuleFileNameA
Sleep
QueryPerformanceFrequency
QueryPerformanceCounter
MultiByteToWideChar
GlobalAlloc
GlobalFree
GlobalLock
WideCharToMultiByte
GlobalUnlock
GetModuleHandleA
LoadLibraryA
GetProcAddress
VerSetConditionMask
FreeLibrary
VirtualFree
DeviceIoControl
VirtualAlloc
LoadLibraryExA
GetCurrentProcessId
VirtualQuery
GetConsoleWindow
SetConsoleTextAttribute
SetConsoleTitleA
GetStdHandle
SetCurrentConsoleFontEx
SetConsoleWindowInfo
AllocConsole
GetCurrentProcess
CloseHandle
Process32First
Module32Next
WaitForSingleObject
LocalAlloc
Module32First
CreateToolhelp32Snapshot
GetLastError
CreateFileA
Process32Next
LocalFree
GetFileSizeEx
ReadFile
HeapAlloc
HeapReAlloc
HeapFree
GetProcessHeap
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
GetTickCount
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
SetEvent
CreateEventA
GetSystemDirectoryA
GetEnvironmentVariableA
SetLastError
FormatMessageW
MoveFileExA
WaitForSingleObjectEx
GetFileType
PeekNamedPipe
WaitForMultipleObjects
SleepEx
VerifyVersionInfoW
CreateFileW
HeapDestroy
HeapSize
CreateThread
VirtualProtect
CreateFileMappingW
GetModuleFileNameW
user32
EnableMenuItem
UpdateWindow
SendInput
GetAsyncKeyState
SetWindowLongA
DefWindowProcA
SetLayeredWindowAttributes
FindWindowA
LoadImageA
DispatchMessageA
GetWindowRect
DestroyWindow
GetWindowLongA
MoveWindow
RegisterClassA
CreateWindowExA
TranslateMessage
ShowWindow
UnregisterClassA
GetKeyState
GetMessageExtraInfo
LoadCursorA
ScreenToClient
GetCapture
ClientToScreen
TrackMouseEvent
GetForegroundWindow
SetCapture
SetCursor
GetClientRect
IsWindowUnicode
ReleaseCapture
SetCursorPos
GetCursorPos
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
SetClipboardData
MessageBoxA
GetSystemMenu
SetWindowPos
ShowScrollBar
PeekMessageA
shell32
SHGetKnownFolderPath
ShellExecuteA
msvcp140
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Syserror_map@std@@YAPEBDH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Winerror_map@std@@YAHH@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
_Xtime_get_ticks
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
_Thrd_detach
_Query_perf_counter
_Query_perf_frequency
_Thrd_join
_Thrd_id
_Cnd_do_broadcast_at_thread_exit
?_Throw_Cpp_error@std@@YAXH@Z
??Bios_base@std@@QEBA_NXZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?_Xbad_function_call@std@@YAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
?uncaught_exceptions@std@@YAHXZ
?_Xbad_alloc@std@@YAXXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?good@ios_base@std@@QEBA_NXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@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
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
imm32
ImmGetContext
ImmSetCandidateWindow
ImmSetCompositionWindow
ImmReleaseContext
ntdll
RtlVirtualUnwind
RtlAnsiStringToUnicodeString
RtlInitAnsiString
RtlCaptureContext
NtQuerySystemInformation
RtlLookupFunctionEntry
dbghelp
ImageNtHeader
ImageDirectoryEntryToData
ImageRvaToVa
bcrypt
BCryptGenRandom
shlwapi
PathFindFileNameW
rpcrt4
UuidToStringA
UuidCreate
RpcStringFreeA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception
_CxxThrowException
memchr
memcmp
memmove
__current_exception_context
memcpy
__C_specific_handler
strstr
strchr
__std_exception_copy
__std_exception_destroy
__std_terminate
memset
strrchr
api-ms-win-crt-heap-l1-1-0
_set_new_mode
_callnewh
free
realloc
malloc
calloc
api-ms-win-crt-runtime-l1-1-0
_beginthreadex
terminate
_errno
system
__sys_errlist
__sys_nerr
exit
_invalid_parameter_noinfo_noreturn
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_exit
_initterm_e
_invalid_parameter_noinfo
_initterm
_resetstkoflw
_get_initial_narrow_environment
_set_app_type
abort
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
_seh_filter_exe
api-ms-win-crt-string-l1-1-0
strpbrk
strncmp
_stricmp
strspn
strncpy
_strdup
tolower
strcspn
strcmp
api-ms-win-crt-utility-l1-1-0
rand
qsort
api-ms-win-crt-stdio-l1-1-0
fflush
fclose
fputs
_popen
_set_fmode
_pclose
fseek
_lseeki64
__stdio_common_vswprintf
fgets
freopen_s
__p__commode
__stdio_common_vfprintf
feof
_read
_write
_open
_fileno
_close
_get_stream_buffer_pointers
__acrt_iob_func
__stdio_common_vsprintf
ftell
__stdio_common_vsscanf
fwrite
_fseeki64
fsetpos
ungetc
_wfopen
setvbuf
fgetpos
fread
fgetc
fputc
fopen
api-ms-win-crt-time-l1-1-0
_localtime64
_time64
_gmtime64
strftime
api-ms-win-crt-convert-l1-1-0
atof
strtoull
strtoul
wcstombs
strtod
strtoll
strtol
atoi
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_stat64
_fstat64
_lock_file
_access
_unlink
api-ms-win-crt-math-l1-1-0
_fdopen
sinf
_dsign
__setusermatherr
acosf
ceilf
cosf
_dclass
floorf
fmodf
sqrtf
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
___lc_codepage_func
Sections
.text Size: 1.6MB - Virtual size: 1.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 599KB - Virtual size: 599KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ