Static task
static1
Behavioral task
behavioral1
Sample
veFstbposd.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
veFstbposd.exe
Resource
win10v2004-20231215-en
General
-
Target
veFstbposd.exe
-
Size
2.0MB
-
MD5
5d5925649cc9a92e9dac4bff01723533
-
SHA1
13351c160cb9c00b17c4524ebbef133c5b98aa0e
-
SHA256
46fc7bc8126ad174c0565ea525bf8f5c4faa476faaa2b996b942142754dc30ee
-
SHA512
35b75d980c666fa1311142ffb28fad37f1d6b74fe5c872cfe7c8ec59c6905e5f8bddd999ad46ce87af1ffa9e21eaa439fe179f7c3d8890201396122fdf85d011
-
SSDEEP
49152:g1Yf4xoRMaUP22Y04CtMU35YgbXka75nSWX4Rxkcl5:y3VYxkC5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource veFstbposd.exe
Files
-
veFstbposd.exe.exe windows:6 windows x64 arch:x64
63ce51187ba1bbc0f87ed8003d83d194
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
InitializeCriticalSectionEx
DeleteCriticalSection
FormatMessageA
LocalFree
GetModuleFileNameA
FreeLibrary
VerifyVersionInfoW
SetFileCompletionNotificationModes
CloseThreadpoolIo
CancelThreadpoolIo
StartThreadpoolIo
CreateThreadpoolIo
GetOverlappedResult
WriteFile
ReadFile
GetFileSizeEx
CreateFileW
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
ExpandEnvironmentStringsA
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetModuleHandleW
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEvent
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
InitOnceComplete
InitOnceBeginInitialize
GetLocaleInfoEx
QueryPerformanceFrequency
QueryPerformanceCounter
VerSetConditionMask
WideCharToMultiByte
MultiByteToWideChar
GlobalFree
GlobalLock
GlobalUnlock
GlobalAlloc
TerminateProcess
ExitProcess
GetCurrentProcess
WaitForSingleObject
GetLastError
CloseHandle
FindNextFileA
FindFirstFileA
GetTickCount64
GetCurrentThread
Sleep
GetUserDefaultLocaleName
LoadLibraryA
GetProcAddress
IsProcessorFeaturePresent
GetModuleHandleA
FormatMessageW
FindClose
user32
ShowWindow
DestroyWindow
CreateWindowExW
RegisterClassExW
UnregisterClassW
UnregisterClassA
PostQuitMessage
DefWindowProcA
PeekMessageA
DispatchMessageA
TranslateMessage
LoadCursorA
ScreenToClient
ClientToScreen
GetCursorPos
SetCursor
SetCursorPos
GetSystemMetrics
GetForegroundWindow
IsWindowUnicode
ReleaseCapture
SetCapture
GetCapture
GetKeyState
GetMessageExtraInfo
TrackMouseEvent
EmptyClipboard
GetClipboardData
UpdateWindow
MoveWindow
LoadIconA
RegisterClassExA
CreateWindowExA
OpenClipboard
GetWindowRect
GetClientRect
SetClipboardData
CloseClipboard
advapi32
RegQueryValueExA
RegGetValueA
RegCreateKeyExA
RegSetValueExA
RegOpenKeyExA
RegCloseKey
GetUserNameW
shell32
ShellExecuteExA
msvcp140
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Random_device@std@@YAIXZ
?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
_Mtx_init_in_situ
_Mtx_destroy_in_situ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?uncaught_exceptions@std@@YAHXZ
??Bid@locale@std@@QEAA_KXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
_Thrd_detach
_Cnd_do_broadcast_at_thread_exit
?_Throw_C_error@std@@YAXH@Z
?_Throw_Cpp_error@std@@YAXH@Z
?_Xinvalid_argument@std@@YAXPEBD@Z
?__ExceptionPtrCreate@@YAXPEAX@Z
?__ExceptionPtrDestroy@@YAXPEAX@Z
?__ExceptionPtrCopy@@YAXPEAXPEBX@Z
?__ExceptionPtrAssign@@YAXPEAXPEBX@Z
?__ExceptionPtrToBool@@YA_NPEBX@Z
?__ExceptionPtrCurrentException@@YAXPEAX@Z
?__ExceptionPtrRethrow@@YAXPEBX@Z
?__ExceptionPtrCopyException@@YAXPEAXPEBX1@Z
_Mtx_lock
_Mtx_unlock
_Cnd_init_in_situ
_Cnd_destroy_in_situ
_Cnd_wait
_Cnd_broadcast
?_Schedule_chore@details@Concurrency@@YAHPEAU_Threadpool_chore@12@@Z
?_Release_chore@details@Concurrency@@YAXPEAU_Threadpool_chore@12@@Z
?_ReportUnobservedException@details@Concurrency@@YAXXZ
?GetCurrentThreadId@platform@details@Concurrency@@YAJXZ
?_Xbad_function_call@std@@YAXXZ
?_CallInContext@_ContextCallback@details@Concurrency@@QEBAXV?$function@$$A6AXXZ@std@@_N@Z
?_Reset@_ContextCallback@details@Concurrency@@AEAAXXZ
?_Assign@_ContextCallback@details@Concurrency@@AEAAXPEAX@Z
?_IsCurrentOriginSTA@_ContextCallback@details@Concurrency@@CA_NXZ
?_Capture@_ContextCallback@details@Concurrency@@AEAAXXZ
?ReportUnhandledError@_ExceptionHolder@details@Concurrency@@AEAAXXZ
??0task_continuation_context@Concurrency@@AEAA@XZ
?_LogScheduleTask@_TaskEventLogger@details@Concurrency@@QEAAX_N@Z
?_LogCancelTask@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogTaskCompleted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogTaskExecutionCompleted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogWorkItemStarted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_LogWorkItemCompleted@_TaskEventLogger@details@Concurrency@@QEAAXXZ
?_Syserror_map@std@@YAPEBDH@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Xbad_alloc@std@@YAXXZ
?_Winerror_map@std@@YAHH@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?classic@locale@std@@SAAEBV12@XZ
??0?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
??1?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?_Pninc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@IEAAPEA_WXZ
??1?$basic_ios@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?imbue@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAA?AVlocale@2@AEBV32@@Z
??5?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@AEA_K@Z
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@_K@Z
??1?$basic_ostream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
??0?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@_N@Z
?__ExceptionPtrCompare@@YA_NPEBX0@Z
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
??0?$basic_ios@_WU?$char_traits@_W@std@@@std@@IEAA@XZ
??0?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAA@PEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@1@_N@Z
??1?$basic_istream@_WU?$char_traits@_W@std@@@std@@UEAA@XZ
??5?$basic_istream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@AEAH@Z
?_Lock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@UEAAXXZ
?imbue@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAXAEBVlocale@2@@Z
?setbuf@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAPEAV12@PEA_W_J@Z
?showmanyc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JXZ
?sync@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAHXZ
?uflow@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAAGXZ
?xsgetn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEA_W_J@Z
?xsputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@MEAA_JPEB_W_J@Z
?uncaught_exception@std@@YA_NXZ
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
concrt140
?_Acquire@_ReentrantBlockingLock@details@Concurrency@@QEAAXXZ
?_Release@_ReentrantBlockingLock@details@Concurrency@@QEAAXXZ
??0_ReentrantBlockingLock@details@Concurrency@@QEAA@XZ
??1_ReentrantBlockingLock@details@Concurrency@@QEAA@XZ
imm32
ImmReleaseContext
ImmSetCompositionWindow
ImmSetCandidateWindow
ImmGetContext
d3dcompiler_43
D3DCompile
crypt32
CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateContext
CryptUnprotectMemory
CertVerifyCertificateChainPolicy
bcrypt
BCryptCloseAlgorithmProvider
BCryptGetProperty
BCryptOpenAlgorithmProvider
BCryptFinishHash
BCryptHashData
BCryptCreateHash
BCryptDestroyHash
winhttp
WinHttpAddRequestHeaders
WinHttpOpenRequest
WinHttpSetTimeouts
WinHttpSendRequest
WinHttpSetCredentials
WinHttpQueryDataAvailable
WinHttpWriteData
WinHttpReadData
WinHttpConnect
WinHttpCloseHandle
WinHttpSetOption
WinHttpOpen
WinHttpGetDefaultProxyConfiguration
WinHttpSetStatusCallback
WinHttpQueryOption
WinHttpQueryAuthSchemes
WinHttpReceiveResponse
WinHttpQueryHeaders
WinHttpGetIEProxyConfigForCurrentUser
WinHttpGetProxyForUrl
d3d11
D3D11CreateDeviceAndSwapChain
vcruntime140
__std_terminate
__std_exception_copy
__std_exception_destroy
_CxxThrowException
memchr
memcmp
memcpy
memmove
memset
strstr
_purecall
__C_specific_handler
__current_exception
__current_exception_context
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
abort
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_configure_narrow_argv
_cexit
_seh_filter_exe
_invalid_parameter_noinfo_noreturn
_initterm_e
_set_app_type
_get_narrow_winmain_command_line
_errno
_beginthreadex
terminate
_initterm
_initialize_narrow_environment
exit
_register_thread_local_exe_atexit_callback
_c_exit
_exit
api-ms-win-crt-string-l1-1-0
strncmp
isalpha
isdigit
wcsnlen
strnlen
strncpy
iswspace
strcmp
api-ms-win-crt-stdio-l1-1-0
__p__commode
feof
ferror
fputc
fgetpos
fgetc
fflush
fread
fsetpos
_get_stream_buffer_pointers
_set_fmode
__acrt_iob_func
__stdio_common_vswprintf_s
__stdio_common_vsscanf
__stdio_common_vsprintf
__stdio_common_vfprintf
ftell
fseek
_wfopen
_fseeki64
__stdio_common_vsnwprintf_s
fclose
__stdio_common_vsprintf_s
fwrite
ungetc
setvbuf
api-ms-win-crt-heap-l1-1-0
_callnewh
free
malloc
realloc
_set_new_mode
api-ms-win-crt-convert-l1-1-0
_wcstod_l
atoi
strtol
wcstombs_s
_i64tow_s
wcstol
_ui64tow_s
_i64toa_s
_ui64toa_s
api-ms-win-crt-filesystem-l1-1-0
_access_s
remove
_unlock_file
_mkdir
_lock_file
api-ms-win-crt-time-l1-1-0
_time64
_localtime64
api-ms-win-crt-math-l1-1-0
powf
cosf
ldexp
sqrtf
fmodf
ceilf
sinf
acosf
__setusermatherr
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-locale-l1-1-0
__pctype_func
_create_locale
_free_locale
_configthreadlocale
Sections
.text Size: 875KB - Virtual size: 875KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 225KB - Virtual size: 225KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 874KB - Virtual size: 877KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 42KB - Virtual size: 42KB
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: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ