Static task
static1
Behavioral task
behavioral1
Sample
yxKF76GX87IEWL3.exe
Resource
win10v2004-20230220-en
General
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Target
yxKF76GX87IEWL3.exe
-
Size
3.0MB
-
MD5
26876a7874038bdfad8534c0a0c0af48
-
SHA1
fa80f778c284512a8a91eb9a6747accd0daf56ac
-
SHA256
b4017487bdc85c29d8b02b85943241365028a37a1fdab1a18f5a7feefebfac9a
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SHA512
a3b6829dd8006ed3190d1fc8d2079ba1512587ffcf95cbc17adf364dcd17e89edff5fb98722b1950b9068a396e21da25fae919ee28367dfad6a0c04300806a53
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SSDEEP
49152:GoUzu8UDKrenApm2/2aWFi2v1ROqE83So+7jYeEO93+xOlkPH+DAe1ClA:YX2/Vv1oqrjexuIlkPHU
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource yxKF76GX87IEWL3.exe
Files
-
yxKF76GX87IEWL3.exe.exe windows x64
010895fe1d6b7d65662fc556f07d89a2
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
LeaveCriticalSection
SleepEx
VerSetConditionMask
GetSystemDirectoryA
VerifyVersionInfoA
GetTickCount
MoveFileExA
WaitForSingleObjectEx
MultiByteToWideChar
GetEnvironmentVariableA
GetStdHandle
GetFileType
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
LocalFree
FormatMessageA
SetLastError
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameW
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
CreateFileMappingW
VirtualProtect
CreateThread
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
CreateDirectoryA
GetConsoleWindow
FreeLibrary
CreateEventW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
OutputDebugStringW
GetProcAddress
GetWindowsDirectoryW
LoadLibraryW
DeleteFileW
LoadLibraryA
GetFileAttributesA
GetLastError
Sleep
LoadLibraryExA
VirtualAlloc
WriteFile
GetCurrentProcess
VirtualFree
ReadFile
CloseHandle
CreateFileW
DeviceIoControl
QueryPerformanceCounter
QueryPerformanceFrequency
GlobalUnlock
EnterCriticalSection
GlobalLock
GlobalFree
WideCharToMultiByte
GlobalAlloc
user32
SetWindowsHookExA
GetWindowThreadProcessId
MessageBoxA
ShowWindow
GetClipboardData
EmptyClipboard
GetSystemMetrics
SetWindowPos
DestroyWindow
PostThreadMessageA
CloseClipboard
OpenClipboard
GetCursorPos
SetCursorPos
SetClipboardData
DispatchMessageA
ReleaseCapture
GetClientRect
SetCursor
SetCapture
GetForegroundWindow
UnhookWindowsHookEx
DefWindowProcA
CreateWindowExA
TranslateMessage
PeekMessageA
UnregisterClassA
PostQuitMessage
FindWindowA
RegisterClassExA
UpdateWindow
GetKeyState
LoadCursorA
ScreenToClient
GetCapture
ClientToScreen
IsChild
GetWindowRect
advapi32
OpenProcessToken
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
SetSecurityInfo
shell32
ShellExecuteA
ShellExecuteW
msvcp140
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?uncaught_exception@std@@YA_NXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
??1_Lockit@std@@QEAA@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$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?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
??6?$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?$char_traits@D@std@@@std@@UEAA@XZ
?_Xbad_function_call@std@@YAXXZ
?setw@std@@YA?AU?$_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
??0_Lockit@std@@QEAA@H@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
imm32
ImmReleaseContext
ImmGetContext
ImmSetCompositionWindow
d3dcompiler_43
D3DCompile
xinput1_3
ord2
ord4
ntdll
RtlVirtualUnwind
RtlImageNtHeader
RtlLookupFunctionEntry
RtlCaptureContext
d3d11
D3D11CreateDeviceAndSwapChain
d3dx11_43
D3DX11CreateShaderResourceViewFromMemory
normaliz
IdnToAscii
wldap32
ord35
ord79
ord30
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord211
ord46
ord217
ord143
ord200
ord301
crypt32
CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
ws2_32
ntohl
gethostname
sendto
recvfrom
freeaddrinfo
getaddrinfo
select
__WSAFDIsSet
ioctlsocket
listen
htonl
accept
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
closesocket
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSAGetLastError
send
recv
socket
rpcrt4
RpcStringFreeA
UuidCreate
UuidToStringA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__std_terminate
strstr
strchr
__C_specific_handler
__current_exception_context
__current_exception
strrchr
memset
memmove
memcpy
memcmp
memchr
_CxxThrowException
__std_exception_copy
__std_exception_destroy
api-ms-win-crt-stdio-l1-1-0
ftell
__acrt_iob_func
fflush
_lseeki64
fclose
fseek
__stdio_common_vfprintf
fwrite
_wfopen
__stdio_common_vsprintf
fputc
_fseeki64
feof
fputs
fopen
fgetc
fread
fgetpos
_set_fmode
setvbuf
__stdio_common_vsscanf
_popen
_pclose
fgets
fsetpos
__p__commode
_open
ungetc
_get_stream_buffer_pointers
_read
_write
_close
api-ms-win-crt-string-l1-1-0
isprint
strspn
strncmp
_strdup
strcspn
strcmp
strcpy_s
strpbrk
tolower
isupper
strncpy
api-ms-win-crt-utility-l1-1-0
srand
rand
qsort
api-ms-win-crt-heap-l1-1-0
_callnewh
calloc
malloc
realloc
_set_new_mode
free
api-ms-win-crt-runtime-l1-1-0
_errno
_initterm_e
_wassert
_invalid_parameter_noinfo_noreturn
exit
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
strerror
__sys_nerr
_exit
_invalid_parameter_noinfo
_resetstkoflw
_initterm
_get_initial_narrow_environment
abort
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_beginthreadex
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_getpid
terminate
api-ms-win-crt-convert-l1-1-0
strtod
strtoll
strtoull
atoi
strtol
strtoul
api-ms-win-crt-time-l1-1-0
_localtime64_s
strftime
_time64
_gmtime64
api-ms-win-crt-filesystem-l1-1-0
_fstat64
_lock_file
_stat64
_unlock_file
_unlink
_access
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
api-ms-win-crt-math-l1-1-0
sinf
fmodf
_dclass
__setusermatherr
sqrtf
floorf
cosf
ceilf
Sections
.text Size: 649KB - Virtual size: 648KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 154KB - Virtual size: 154KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2.1MB - Virtual size: 2.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 26KB - Virtual size: 26KB
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