Static task
static1
Behavioral task
behavioral1
Sample
Cat.WTF_Nova.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Cat.WTF_Nova.exe
Resource
win10v2004-20230915-en
General
-
Target
Cat.WTF_Nova.exe
-
Size
568KB
-
MD5
942bf03d9c14d5f6b83cafe63a35176f
-
SHA1
bb0e5e038368dcb627225ddbb229978961ae5887
-
SHA256
abeccb77e071e5f3b2ca0bb42ac23f35e1e9c5d353d9c25dead40f29ace6e4b8
-
SHA512
3d7aca53f7ac5057bb461ed3ad9880840d767f8c383a225ef74921dfc4accb7c022d351529a051da515cdeeba360b848fb0ff4b568afb1f69fd677c6c46afa9e
-
SSDEEP
12288:loAFWsLpePozI1fQBlWlcp5IWMlCjkLOZR:1FWsdegMSBlWl655MZyZ
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Cat.WTF_Nova.exe
Files
-
Cat.WTF_Nova.exe.exe windows:6 windows x64
4a8e58c7a0074f7df6074ecd13af06c7
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
GetTickCount
MoveFileExA
WaitForSingleObjectEx
MultiByteToWideChar
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
VerifyVersionInfoA
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetCurrentProcessId
LoadLibraryA
GetProcAddress
FreeLibrary
GetSystemDirectoryA
QueryPerformanceFrequency
VerSetConditionMask
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
GetCurrentProcess
DeleteCriticalSection
VirtualAlloc
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
CloseHandle
Sleep
QueryPerformanceCounter
PeekNamedPipe
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
CreateFileW
user32
GetAsyncKeyState
MessageBoxA
msvcp140
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_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
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?_Xbad_function_call@std@@YAXXZ
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?uncaught_exception@std@@YA_NXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?_Xout_of_range@std@@YAXPEBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setf@ios_base@std@@QEAAHHH@Z
??Bid@locale@std@@QEAA_KXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?good@ios_base@std@@QEBA_NXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Xlength_error@std@@YAXPEBD@Z
normaliz
IdnToAscii
wldap32
ord211
ord60
ord45
ord50
ord41
ord22
ord46
ord27
ord32
ord33
ord35
ord301
ord79
ord26
ord30
ord200
ord143
ord217
crypt32
CertEnumCertificatesInStore
CertFindCertificateInStore
CryptStringToBinaryA
PFXImportCertStore
CertCloseStore
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CryptDecodeObjectEx
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
CertOpenStore
CertFreeCertificateContext
ws2_32
ioctlsocket
__WSAFDIsSet
select
htonl
freeaddrinfo
recvfrom
sendto
gethostname
ntohl
accept
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSAGetLastError
send
recv
listen
getaddrinfo
closesocket
socket
rpcrt4
RpcStringFreeA
UuidToStringA
UuidCreate
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strrchr
strchr
memset
memmove
__current_exception_context
__C_specific_handler
memchr
_CxxThrowException
__std_terminate
__std_exception_copy
__std_exception_destroy
strstr
memcmp
__current_exception
memcpy
api-ms-win-crt-runtime-l1-1-0
_beginthreadex
_resetstkoflw
exit
_getpid
system
_invalid_parameter_noinfo_noreturn
_errno
_configure_narrow_argv
_initialize_narrow_environment
terminate
_initialize_onexit_table
_invalid_parameter_noinfo
__sys_nerr
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_register_onexit_function
_exit
_initterm_e
_initterm
_get_initial_narrow_environment
_seh_filter_exe
_set_app_type
strerror
_cexit
_crt_atexit
api-ms-win-crt-heap-l1-1-0
malloc
free
calloc
realloc
_set_new_mode
_callnewh
api-ms-win-crt-convert-l1-1-0
strtoll
strtod
strtol
strtoul
atoi
strtoull
api-ms-win-crt-stdio-l1-1-0
__p__commode
_popen
_read
_write
_close
_pclose
__acrt_iob_func
fread
_open
_set_fmode
_lseeki64
fwrite
fgets
fputc
fflush
fclose
fopen
ftell
fputs
fseek
feof
__stdio_common_vsscanf
__stdio_common_vsprintf
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
api-ms-win-crt-math-l1-1-0
__setusermatherr
_dclass
api-ms-win-crt-string-l1-1-0
strspn
tolower
strpbrk
strncpy
strncmp
isupper
_strdup
strcmp
strcspn
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-filesystem-l1-1-0
_fstat64
_unlink
_access
_stat64
advapi32
OpenProcessToken
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
SetSecurityInfo
IsValidSid
InitializeAcl
GetTokenInformation
AddAccessAllowedAce
GetLengthSid
CryptEncrypt
shell32
ShellExecuteA
Sections
.text Size: 443KB - Virtual size: 443KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 102KB - Virtual size: 101KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 17KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ