Static task
static1
Behavioral task
behavioral1
Sample
nexus.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
nexus.exe
Resource
win10v2004-20240611-en
General
-
Target
nexus.exe
-
Size
958KB
-
MD5
9564fd0f81ae94b6d73006b89e958b5e
-
SHA1
d10fd77a3a7a93484c0f09b1cac66f9df506f60c
-
SHA256
c506e7add85f5f8f52a46d631a61de358d87db4b9ad891101a77dea05df7f4d3
-
SHA512
aa459aa77221e09a65f09ae41bd981f0b8632569f7f88c6e2f378e9fca6dda977bbb073e0fa3af04c9b18d812834cc413fe97126bda53fb7524b0f81f923cd54
-
SSDEEP
12288:9i24AHoC7f8FNYUxJaSQurtrvf4UqNu34r5VUWW5yjEnj:9fp9fINYQgurtrH4hNuqUWW5yonj
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource nexus.exe
Files
-
nexus.exe.exe windows:6 windows x64 arch:x64
70901b06e229554de52f2fd4bd8d9e3f
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
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
FreeLibrary
GetSystemDirectoryA
QueryPerformanceFrequency
VerSetConditionMask
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameW
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
GetCurrentProcess
IsDebuggerPresent
GetEnvironmentVariableA
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetFileInformationByHandleEx
AreFileApisANSI
GetFileAttributesExW
FindFirstFileW
FindClose
CreateDirectoryW
GetCurrentDirectoryW
GetLocaleInfoEx
GetStdHandle
MultiByteToWideChar
WaitForSingleObjectEx
MoveFileExA
GetTickCount
QueryPerformanceCounter
VerifyVersionInfoA
LoadLibraryA
IsProcessorFeaturePresent
GetProcAddress
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
CloseHandle
CreateFileW
GetTempPathA
Sleep
SetConsoleTitleA
MoveFileA
user32
MessageBoxA
advapi32
CryptCreateHash
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptImportKey
OpenProcessToken
shell32
ShellExecuteA
msvcp140
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?setf@ios_base@std@@QEAAHHH@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Xbad_function_call@std@@YAXXZ
?_Winerror_map@std@@YAHH@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?eback@?$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?$char_traits@D@std@@@std@@IEBAPEADXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
normaliz
IdnToAscii
wldap32
ord46
ord217
ord60
ord45
ord50
ord41
ord22
ord211
ord26
ord27
ord143
ord32
ord33
ord35
ord79
ord30
ord200
ord301
crypt32
CertGetCertificateChain
CertOpenStore
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertFreeCertificateChain
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertAddCertificateContextToStore
ws2_32
WSAGetLastError
send
recv
closesocket
bind
getpeername
getsockname
getsockopt
htons
ntohs
connect
setsockopt
socket
freeaddrinfo
getaddrinfo
select
__WSAFDIsSet
recvfrom
listen
htonl
accept
WSAIoctl
WSAStartup
WSASetLastError
ntohl
gethostname
sendto
WSACleanup
ioctlsocket
shlwapi
PathFindFileNameW
rpcrt4
RpcStringFreeA
UuidToStringA
UuidCreate
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__C_specific_handler
__current_exception
__current_exception_context
strrchr
__std_exception_destroy
__std_exception_copy
__std_terminate
strstr
_CxxThrowException
memchr
memcmp
memcpy
memmove
memset
strchr
api-ms-win-crt-runtime-l1-1-0
_cexit
_seh_filter_exe
_set_app_type
_get_initial_narrow_environment
_initterm
_initterm_e
_exit
exit
_crt_atexit
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_register_onexit_function
_invalid_parameter_noinfo
terminate
_initialize_onexit_table
_resetstkoflw
system
_initialize_narrow_environment
_errno
_invalid_parameter_noinfo_noreturn
_configure_narrow_argv
strerror
__sys_nerr
__p___argc
_beginthreadex
_getpid
abort
api-ms-win-crt-stdio-l1-1-0
__acrt_iob_func
_set_fmode
fputc
__p__commode
fflush
_lseeki64
setvbuf
_read
_open
fclose
fopen
_popen
_pclose
fgets
fgetc
_write
ftell
fseek
_get_stream_buffer_pointers
fputs
_fseeki64
fread
fsetpos
ungetc
_close
fgetpos
feof
__stdio_common_vsscanf
__stdio_common_vsprintf
fwrite
api-ms-win-crt-heap-l1-1-0
realloc
calloc
free
malloc
_set_new_mode
_callnewh
api-ms-win-crt-math-l1-1-0
_dsign
_dclass
__setusermatherr
api-ms-win-crt-time-l1-1-0
_localtime64_s
_localtime64
_time64
strftime
_gmtime64
api-ms-win-crt-convert-l1-1-0
strtod
atoi
strtoul
strtoll
strtol
strtoull
api-ms-win-crt-filesystem-l1-1-0
remove
_stat64
_fstat64
_unlock_file
_access
_lock_file
_unlink
api-ms-win-crt-conio-l1-1-0
_getch
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
___lc_codepage_func
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-string-l1-1-0
isupper
strspn
strcspn
tolower
strpbrk
_strdup
strncpy
strncmp
strcmp
api-ms-win-crt-utility-l1-1-0
qsort
Sections
.text Size: 543KB - Virtual size: 543KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 122KB - Virtual size: 121KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 21KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 265KB - Virtual size: 264KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ