Static task
static1
Behavioral task
behavioral1
Sample
SubZeroEra.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
SubZeroEra.exe
Resource
win10v2004-20240226-en
General
-
Target
SubZeroEra.exe
-
Size
617KB
-
MD5
fefa22e2bb640a3cbd5a3f8b096b723b
-
SHA1
156bf4ed68d50c8b735a684eee5d8292fd22bd4f
-
SHA256
93bc7f1b5d2a85a77ba29298e84743e4cb965a41bdcdfd387e870d83028b2f72
-
SHA512
09feffbf869e797c79db5e6025e633df06a5a2d340ab1833c842aba5e4a16ed3a3e9c852dfe6f85d91ee8882f89b5fa242a673b017154bb998be8c4553781ccf
-
SSDEEP
12288:oe00VvFFuk9UG/nPQQIZD1uZMJwWXHAwgp2AOR:oStFZUcPOZD1uZydXy6R
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SubZeroEra.exe
Files
-
SubZeroEra.exe.exe windows:6 windows x64 arch:x64
bf96b38a91ebba4f9ccf719d0f6ff763
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
MultiByteToWideChar
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
MoveFileExA
CreateFileW
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AreFileApisANSI
SetCurrentDirectoryW
GetLocaleInfoEx
WaitForSingleObjectEx
GetTickCount
QueryPerformanceCounter
VerifyVersionInfoA
FreeLibrary
GetSystemDirectoryA
QueryPerformanceFrequency
SleepEx
VerSetConditionMask
CloseHandle
IsDebuggerPresent
WriteProcessMemory
GetConsoleWindow
GetModuleHandleW
GetProcAddress
CreateThread
LoadLibraryA
GetCurrentThread
Sleep
GetModuleHandleA
GetStdHandle
GetCurrentProcess
SetConsoleTitleA
VirtualProtect
LeaveCriticalSection
user32
ShowWindow
BlockInput
MoveWindow
FindWindowA
MessageBoxA
advapi32
CopySid
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
SetSecurityInfo
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
OpenProcessToken
shell32
ShellExecuteA
msvcp140
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?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
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??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
_Query_perf_frequency
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Throw_Cpp_error@std@@YAXH@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
?_Xout_of_range@std@@YAXPEBD@Z
?_Winerror_map@std@@YAHH@Z
?_Xbad_function_call@std@@YAXXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Xlength_error@std@@YAXPEBD@Z
?_Syserror_map@std@@YAPEBDH@Z
_Cnd_do_broadcast_at_thread_exit
_Thrd_sleep
_Query_perf_counter
_Thrd_detach
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?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
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
_Xtime_get_ticks
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
??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
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
normaliz
IdnToAscii
wldap32
ord30
ord79
ord35
ord33
ord301
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord211
ord46
ord217
ord143
ord200
crypt32
CertGetCertificateChain
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CertFreeCertificateChain
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertFreeCertificateChainEngine
CertOpenStore
ws2_32
connect
bind
freeaddrinfo
getaddrinfo
sendto
__WSAFDIsSet
WSAGetLastError
gethostname
getpeername
ntohl
ioctlsocket
getsockname
htons
getsockopt
listen
send
recv
closesocket
recvfrom
htonl
ntohs
accept
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
socket
select
setsockopt
rpcrt4
UuidCreate
RpcStringFreeA
UuidToStringA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strstr
__current_exception
__current_exception_context
strrchr
strchr
__std_exception_destroy
__std_exception_copy
__std_terminate
_CxxThrowException
memchr
memcmp
memcpy
memmove
memset
__C_specific_handler
api-ms-win-crt-runtime-l1-1-0
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_register_onexit_function
_get_initial_narrow_environment
_initterm
_initterm_e
_initialize_onexit_table
_initialize_narrow_environment
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_configure_narrow_argv
terminate
strerror
__sys_nerr
_invalid_parameter_noinfo
_getpid
_resetstkoflw
_beginthreadex
_invalid_parameter_noinfo_noreturn
system
_exit
exit
_errno
api-ms-win-crt-stdio-l1-1-0
fwrite
fputc
fseek
__stdio_common_vsprintf
fgetpos
setvbuf
ftell
feof
fflush
fclose
__stdio_common_vsscanf
fputs
fopen
ungetc
_close
_lseeki64
_write
__acrt_iob_func
_read
fsetpos
__p__commode
_set_fmode
_popen
_pclose
fgets
_get_stream_buffer_pointers
_open
_fseeki64
fread
fgetc
api-ms-win-crt-heap-l1-1-0
free
malloc
realloc
calloc
_set_new_mode
_callnewh
api-ms-win-crt-math-l1-1-0
_dclass
__setusermatherr
api-ms-win-crt-convert-l1-1-0
strtoll
strtoul
strtol
atoi
strtoull
strtod
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_access
_fstat64
_stat64
remove
_unlink
_lock_file
api-ms-win-crt-utility-l1-1-0
qsort
rand
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
_configthreadlocale
localeconv
api-ms-win-crt-string-l1-1-0
strpbrk
isupper
strcmp
tolower
strncmp
_strdup
strcspn
strspn
strncpy
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
Sections
.text Size: 479KB - Virtual size: 478KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 113KB - Virtual size: 112KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 19KB - Virtual size: 19KB
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