Static task
static1
Behavioral task
behavioral1
Sample
SubZero Free Temp.exe
Resource
win10v2004-20231130-en
General
-
Target
SubZero Free Temp.exe
-
Size
536KB
-
MD5
7346889efeba122df8dc207c53ebacda
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SHA1
55262f09a2c6bd62f95253f2dcc9514c4e04f3a7
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SHA256
b1acace2f4c655037ec7bd6c7a99d0244238a2f8bba2c664a4cc8076d36601f0
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SHA512
a20cc468dab692cb08f7cce29bb3057edf599740b822568047b57a4fb08f5bf2a1548f8ce054b8cb71b3a3e4ca1b9e1a4b8bdc5f6b5c69d9ed6f3e23636bf5fc
-
SSDEEP
12288:X4pbl1nZwAuv6cGhf4TSZ7zw/1jvdg+3qNSq:Xo1nZxuycBOZ7zwtLdgdX
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SubZero Free Temp.exe
Files
-
SubZero Free Temp.exe.exe windows:6 windows x64 arch:x64
97daf9592af46809399f652702bb55e5
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
GetEnvironmentVariableA
MultiByteToWideChar
WaitForSingleObjectEx
QueryPerformanceCounter
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
VerifyVersionInfoA
LoadLibraryA
GetProcAddress
FreeLibrary
MoveFileExA
QueryPerformanceFrequency
VerSetConditionMask
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
GetCurrentProcess
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
SetConsoleTitleA
HeapAlloc
HeapDestroy
GetLastError
CloseHandle
GetSystemDirectoryA
Sleep
GetTickCount
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
CreateFileW
msvcp140
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_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
?_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
?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?$char_traits@D@std@@@std@@IEAA@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?fill@?$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?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?setp@?$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?$char_traits@D@std@@@std@@IEBAPEADXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setf@ios_base@std@@QEAAHHH@Z
?_Xout_of_range@std@@YAXPEBD@Z
?good@ios_base@std@@QEBA_NXZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
normaliz
IdnToAscii
wldap32
ord50
ord211
ord41
ord46
ord45
ord217
ord22
ord26
ord27
ord143
ord32
ord33
ord35
ord30
ord79
ord60
ord301
ord200
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
CertOpenStore
CryptQueryObject
ws2_32
gethostname
ntohl
sendto
recvfrom
freeaddrinfo
getaddrinfo
select
__WSAFDIsSet
listen
htonl
accept
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSAGetLastError
send
closesocket
recv
ioctlsocket
rpcrt4
UuidToStringA
UuidCreate
RpcStringFreeA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__std_exception_destroy
__std_exception_copy
memchr
memcmp
_CxxThrowException
__std_terminate
memcpy
__current_exception_context
__current_exception
memmove
memset
__C_specific_handler
strstr
strrchr
strchr
api-ms-win-crt-runtime-l1-1-0
_resetstkoflw
system
_beginthreadex
_getpid
terminate
_errno
_invalid_parameter_noinfo_noreturn
_invalid_parameter_noinfo
__sys_nerr
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_exit
_initterm_e
_initterm
_get_initial_narrow_environment
exit
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
strerror
api-ms-win-crt-filesystem-l1-1-0
remove
_access
_stat64
_unlink
_fstat64
api-ms-win-crt-heap-l1-1-0
_set_new_mode
malloc
free
calloc
realloc
_callnewh
api-ms-win-crt-convert-l1-1-0
atoi
strtoll
strtod
strtol
strtoul
strtoull
api-ms-win-crt-stdio-l1-1-0
_read
_write
_lseeki64
_close
fflush
ftell
__p__commode
fseek
feof
__stdio_common_vsscanf
fputs
fopen
fclose
fputc
_open
_pclose
fgets
fwrite
fread
__acrt_iob_func
_popen
__stdio_common_vsprintf
_set_fmode
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
tolower
strncmp
strcmp
_strdup
isupper
strspn
strcspn
strncpy
strpbrk
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
api-ms-win-crt-utility-l1-1-0
qsort
user32
MessageBoxA
advapi32
OpenProcessToken
AddAccessAllowedAce
GetLengthSid
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
SetSecurityInfo
IsValidSid
GetTokenInformation
InitializeAcl
shell32
ShellExecuteA
Sections
.text Size: 413KB - Virtual size: 412KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 100KB - Virtual size: 100KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 4KB
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: 480B
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