Static task
static1
Behavioral task
behavioral1
Sample
cvhost.exe
Resource
win10v2004-20231025-en
General
-
Target
cvhost.exe
-
Size
2.7MB
-
MD5
2eb9ac4a4014ca06d3a179d4ca1ddbfa
-
SHA1
3ca3114a909218d3763f654fb57806255b4dfc30
-
SHA256
ffcadabe9e8220c0e42cc3a036c6ec6b5f5f624245e4e299c5d82dbfac8751ed
-
SHA512
1418ef324b78a40ff01acde552c83d359341cf3512f83b83dcc44abd86d63d20c1078aeb269293487c23231dc9aaea5263e9d2808f259d5dd3278a2ffd09ffcd
-
SSDEEP
24576:UpISG3EzfPewyF+nGbntZKiMmFAuJmAJbiSwTiEwXkCFzFKRfUl49NHZaViwSTuJ:U0WPezfKizwABwTEKU/SL7u9
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cvhost.exe
Files
-
cvhost.exe.exe windows:6 windows x64
fb5986985520199bf763a97fc0f041ed
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
GetModuleHandleA
GetProcAddress
GetConsoleWindow
Process32FirstW
Process32NextW
GlobalAlloc
GlobalUnlock
GlobalLock
GlobalFree
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
FreeLibrary
LoadLibraryA
GetModuleHandleW
GetTickCount
VirtualQueryEx
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetFileInformationByHandleEx
GetLastError
AreFileApisANSI
GetFileAttributesExW
FindNextFileW
FindFirstFileExW
FindFirstFileW
FindClose
CreateFileW
CreateDirectoryW
GetLocaleInfoEx
FormatMessageA
GetProcessId
GetCurrentProcess
Sleep
Module32NextW
LocalFree
GetProcessHandleCount
Module32FirstW
CreateToolhelp32Snapshot
CloseHandle
WideCharToMultiByte
WakeAllConditionVariable
ReadProcessMemory
TerminateProcess
user32
OpenClipboard
CloseClipboard
SetClipboardData
ShowWindow
RegisterClassExW
CreateWindowExW
SetLayeredWindowAttributes
SetWindowPos
SetWindowDisplayAffinity
UpdateWindow
mouse_event
GetAsyncKeyState
FindWindowA
SetWindowLongW
PostQuitMessage
DefWindowProcW
PeekMessageW
DispatchMessageW
TranslateMessage
DestroyWindow
UnregisterClassA
GetClipboardData
EmptyClipboard
TrackMouseEvent
GetKeyState
GetCapture
GetWindowLongW
SetCapture
ReleaseCapture
IsWindowUnicode
GetForegroundWindow
GetClientRect
SetCursorPos
SetCursor
GetCursorPos
ClientToScreen
ScreenToClient
UnregisterClassW
LoadCursorW
shell32
SHGetFolderPathA
msvcp140
?_Xbad_function_call@std@@YAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
?uncaught_exceptions@std@@YAHXZ
?_Syserror_map@std@@YAPEBDH@Z
?_Winerror_map@std@@YAHH@Z
?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
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?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
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??4?$_Yarn@D@std@@QEAAAEAV01@PEBD@Z
??Bid@locale@std@@QEAA_KXZ
?_New_Locimp@_Locimp@locale@std@@CAPEAV123@AEBV123@@Z
?_Addfac@_Locimp@locale@std@@AEAAXPEAVfacet@23@_K@Z
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?in@?$codecvt@_WDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEA_W3AEAPEA_W@Z
??0?$codecvt@_WDU_Mbstatet@@@std@@QEAA@_K@Z
??1?$codecvt@_WDU_Mbstatet@@@std@@MEAA@XZ
?_Incref@facet@locale@std@@UEAAXXZ
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?id@?$codecvt@_WDU_Mbstatet@@@std@@2V0locale@2@A
_Xtime_get_ticks
_Query_perf_counter
_Query_perf_frequency
?setf@ios_base@std@@QEAAHHH@Z
?precision@ios_base@std@@QEAA_J_J@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pbase@?$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?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@M@Z
?imbue@?$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?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?is@?$ctype@D@std@@QEBA_NFD@Z
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?in@?$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@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??Bios_base@std@@QEBA_NXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Gndec@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?pbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?_Pnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_N@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??0?$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?$char_traits@D@std@@@std@@QEAA_N_N@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEA_N@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAK@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAM@Z
?id@?$ctype@D@std@@2V0locale@2@A
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xinvalid_argument@std@@YAXPEBD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
?_Xbad_alloc@std@@YAXXZ
?_Xlength_error@std@@YAXPEBD@Z
d3d11
D3D11CreateDeviceAndSwapChain
d3dcompiler_47
D3DCompile
dwmapi
DwmExtendFrameIntoClientArea
imm32
ImmSetCandidateWindow
ImmSetCompositionWindow
ImmGetContext
ImmReleaseContext
vcruntime140
memset
__current_exception
memcpy
__std_exception_copy
__std_exception_destroy
_CxxThrowException
memchr
__current_exception_context
__C_specific_handler
memcmp
strstr
_purecall
memmove
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_set_app_type
_seh_filter_exe
_exit
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_invalid_parameter_noinfo_noreturn
terminate
_errno
system
_configure_narrow_argv
api-ms-win-crt-string-l1-1-0
strncmp
strcmp
strlen
strncpy
wcslen
api-ms-win-crt-heap-l1-1-0
malloc
free
_set_new_mode
_callnewh
api-ms-win-crt-math-l1-1-0
logf
atan2f
powf
sqrt
pow
tan
ceilf
sinf
atanf
cosf
__setusermatherr
acosf
sqrtf
fabs
log
fmodf
api-ms-win-crt-stdio-l1-1-0
_wfopen
__acrt_iob_func
fwrite
__p__commode
_set_fmode
ungetc
setvbuf
_fseeki64
fsetpos
fputc
fgetpos
fgetc
_get_stream_buffer_pointers
fclose
fflush
__stdio_common_vsscanf
__stdio_common_vsprintf
__stdio_common_vfprintf
fread
ftell
fseek
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-convert-l1-1-0
atof
strtol
api-ms-win-crt-filesystem-l1-1-0
_lock_file
remove
_unlock_file
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
_configthreadlocale
Sections
.text Size: 715KB - Virtual size: 715KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 117KB - Virtual size: 117KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.8MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 30KB - Virtual size: 29KB
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