Static task
static1
Behavioral task
behavioral1
Sample
SubZeroFN_Free_External.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
SubZeroFN_Free_External.exe
Resource
win10v2004-20230915-en
General
-
Target
SubZeroFN_Free_External.exe
-
Size
427KB
-
MD5
0f9fbfe25d3fe1157cd2cf35246695ae
-
SHA1
7dc233cff81ea73d0bebda9565cb38685da55688
-
SHA256
3d923a16a42c161e55c362afde3d10100cbcd1ea2bb9fc28e0c83309de57e58e
-
SHA512
78ce2db723fe62a88b8343c5938c25d6e1c92c8ecd4d4ff44f86d8e80da97e5a75fcbb4272e4de8f91c98ff77f385a2dabb03044d1ef59ac01accb17245a7b52
-
SSDEEP
6144:9QLYjDZ4p/H3BZ1YRyTy0cvijb42ChKPsnKDR9ng8NASWrjF:9FjIZ1YRyedijZbPxR9ngsW/
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource SubZeroFN_Free_External.exe
Files
-
SubZeroFN_Free_External.exe.exe windows:6 windows x64
c772fb57db3165a1cbbeea6bbf2ef2c5
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
dwmapi
DwmExtendFrameIntoClientArea
kernel32
QueryPerformanceCounter
QueryPerformanceFrequency
GetStdHandle
CloseHandle
GetLastError
SetLastError
Sleep
CreateThread
GetModuleHandleA
GetProcAddress
LoadLibraryA
lstrcmpiA
MultiByteToWideChar
WideCharToMultiByte
SetConsoleTextAttribute
SetConsoleTitleA
GetConsoleWindow
GlobalFree
Process32First
Process32Next
GlobalLock
GetCurrentThreadId
GetCurrentProcessId
TerminateProcess
GetCurrentProcess
GetModuleHandleW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GlobalUnlock
GlobalAlloc
GetSystemTimeAsFileTime
CreateToolhelp32Snapshot
InitializeSListHead
user32
BlockInput
GetWindow
GetWindowThreadProcessId
EnumWindows
SetWindowLongA
GetWindowLongA
MessageBoxA
GetWindowRect
GetDC
GetForegroundWindow
UpdateWindow
GetSystemMetrics
GetClientRect
GetAsyncKeyState
SetWindowDisplayAffinity
SetWindowPos
MoveWindow
ShowWindow
DestroyWindow
CreateWindowExA
UnregisterClassA
RegisterClassA
PostQuitMessage
DefWindowProcA
PeekMessageA
DispatchMessageA
TranslateMessage
mouse_event
OpenClipboard
CloseClipboard
LoadCursorA
ScreenToClient
ReleaseCapture
SetCapture
ClientToScreen
GetCapture
GetKeyState
GetActiveWindow
EmptyClipboard
GetClipboardData
SetClipboardData
SetCursor
GetCursorPos
SetCursorPos
gdi32
GetStockObject
imm32
ImmReleaseContext
ImmSetCompositionWindow
ImmGetContext
msvcp140
?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
?_Random_device@std@@YAIXZ
??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
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?id@?$ctype@D@std@@2V0locale@2@A
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Xlength_error@std@@YAXPEBD@Z
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?uncaught_exception@std@@YA_NXZ
?_Xbad_alloc@std@@YAXXZ
??Bid@locale@std@@QEAA_KXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??Bios_base@std@@QEBA_NXZ
?good@ios_base@std@@QEBA_NXZ
?flags@ios_base@std@@QEBAHXZ
?width@ios_base@std@@QEBA_JXZ
?width@ios_base@std@@QEAA_J_J@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@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
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?epptr@?$basic_streambuf@DU?$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
d3d9
Direct3DCreate9Ex
xinput1_4
ord2
vcruntime140
__current_exception
__current_exception_context
_CxxThrowException
__std_exception_destroy
__std_exception_copy
__C_specific_handler
memset
memmove
memcpy
memchr
strstr
__std_terminate
memcmp
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-string-l1-1-0
strncpy
isprint
strcmp
api-ms-win-crt-stdio-l1-1-0
__p__commode
fread
fflush
ftell
fwrite
__stdio_common_vsnprintf_s
fseek
__stdio_common_vsprintf_s
_set_fmode
__acrt_iob_func
_wfopen
__stdio_common_vfprintf
__stdio_common_vsprintf
__stdio_common_vsscanf
fclose
api-ms-win-crt-heap-l1-1-0
free
_set_new_mode
malloc
_callnewh
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-math-l1-1-0
sinf
cosf
sqrtf
atan2f
pow
powf
floorf
fmodf
__setusermatherr
ceilf
tanf
api-ms-win-crt-runtime-l1-1-0
terminate
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
system
_seh_filter_exe
_set_app_type
exit
_get_initial_narrow_environment
_initterm
_initterm_e
_exit
_register_thread_local_exe_atexit_callback
__p___argc
__p___argv
_c_exit
_invalid_parameter_noinfo_noreturn
api-ms-win-crt-convert-l1-1-0
atof
api-ms-win-crt-filesystem-l1-1-0
remove
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 248KB - Virtual size: 248KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 51KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 117KB - Virtual size: 121KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 7KB - Virtual size: 6KB
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: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ