Static task
static1
Behavioral task
behavioral1
Sample
Vex.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Vex.exe
Resource
win10v2004-20240802-en
General
-
Target
Vex.exe
-
Size
601KB
-
MD5
aee764bb5586880aa888b0bfe5ed4063
-
SHA1
3132c68b473c73c04e38d9746b90474b664a17c8
-
SHA256
3f8dd6b35f6cb91442cf1d120b8440e6da975314d80750f8d637c2e99332b515
-
SHA512
483100a11a39bebc9b602844566daffd3ebe00e111c63a165a141a8bdafad34ff7348662ca44736df56be67acae5c99652d3733a8cbd52f1571f29e7ffee9473
-
SSDEEP
12288:6NdpZMJrJV4m3JhyKVVBJqUHHGdD8hVagj:KxCrJKm5h7JqUHHYYhfj
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Vex.exe
Files
-
Vex.exe.exe windows:6 windows x64 arch:x64
a3c02eb8c766ff0a55e1b4adc46067f7
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
SetLastError
FormatMessageA
LocalFree
EnterCriticalSection
LeaveCriticalSection
SleepEx
VerSetConditionMask
QueryPerformanceFrequency
FreeLibrary
VerifyVersionInfoA
QueryPerformanceCounter
MoveFileExA
WaitForSingleObjectEx
MultiByteToWideChar
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetProcessHeap
RtlLookupFunctionEntry
RtlCaptureContext
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
CreateFileW
GetModuleHandleW
GetDiskFreeSpaceExA
GetConsoleWindow
GetCurrentProcessId
GetProcAddress
Beep
GetSystemInfo
CloseHandle
Process32Next
LoadLibraryA
GetSystemDirectoryA
GetCurrentThread
SetConsoleCursorInfo
GetConsoleMode
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
QueryFullProcessImageNameW
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
DeleteCriticalSection
GetTickCount
InitializeCriticalSectionEx
Sleep
CreateToolhelp32Snapshot
GetModuleHandleA
SetConsoleWindowInfo
GetConsoleCursorInfo
SetConsoleMode
Process32First
GetStdHandle
SetConsoleScreenBufferSize
GetCurrentProcess
SetConsoleTitleA
SetConsoleTextAttribute
GetConsoleScreenBufferInfo
RtlVirtualUnwind
user32
GetSystemMetrics
BlockInput
SetWindowPos
GetWindowLongA
MessageBoxA
SetLayeredWindowAttributes
EnableMenuItem
GetSystemMenu
SetWindowLongA
advapi32
CryptDestroyHash
RegOpenKeyExA
OpenProcessToken
RegCloseKey
AddAccessAllowedAce
GetLengthSid
InitializeAcl
IsValidSid
GetUserNameA
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptEncrypt
CryptImportKey
CryptDestroyKey
GetTokenInformation
CryptHashData
CryptCreateHash
shell32
ShellExecuteA
msvcp140
??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
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setf@ios_base@std@@QEAAHHH@Z
?pbase@?$basic_streambuf@DU?$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
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??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
?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?$char_traits@D@std@@@std@@UEAAXXZ
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?_Xbad_function_call@std@@YAXXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?epptr@?$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?$char_traits@D@std@@@std@@IEBAPEADXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@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
normaliz
IdnToAscii
wldap32
ord22
ord35
ord26
ord33
ord27
ord41
ord50
ord45
ord79
ord60
ord211
ord46
ord217
ord30
ord200
ord301
ord143
ord32
crypt32
CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertAddCertificateContextToStore
CertOpenStore
ws2_32
recvfrom
freeaddrinfo
closesocket
gethostname
select
__WSAFDIsSet
ioctlsocket
listen
htonl
accept
recv
sendto
send
ntohl
connect
WSAGetLastError
WSAStartup
bind
WSACleanup
WSAIoctl
getpeername
WSASetLastError
socket
setsockopt
ntohs
htons
getsockopt
getsockname
getaddrinfo
shlwapi
PathFileExistsA
rpcrt4
UuidToStringA
UuidCreate
RpcStringFreeA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strrchr
__current_exception
__current_exception_context
__C_specific_handler
strchr
__std_exception_destroy
__std_exception_copy
__std_terminate
strstr
_CxxThrowException
memchr
memcmp
memcpy
memmove
memset
api-ms-win-crt-runtime-l1-1-0
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_register_onexit_function
_get_initial_narrow_environment
_initterm
_initterm_e
_exit
_initialize_onexit_table
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_initialize_narrow_environment
exit
strerror
__sys_nerr
_invalid_parameter_noinfo
_resetstkoflw
_configure_narrow_argv
_errno
_beginthreadex
system
_invalid_parameter_noinfo_noreturn
terminate
_getpid
api-ms-win-crt-stdio-l1-1-0
fgetc
_lseeki64
_open
feof
_close
fwrite
fflush
__stdio_common_vsprintf
ftell
fseek
fgetpos
setvbuf
__stdio_common_vsscanf
fputs
fopen
ungetc
fsetpos
_write
_read
__acrt_iob_func
fputc
fread
__p__commode
_set_fmode
_popen
_pclose
fgets
_get_stream_buffer_pointers
fclose
_fseeki64
api-ms-win-crt-heap-l1-1-0
calloc
malloc
realloc
free
_set_new_mode
_callnewh
api-ms-win-crt-math-l1-1-0
_dclass
__setusermatherr
api-ms-win-crt-convert-l1-1-0
strtoll
strtoul
strtol
atoi
strtoull
strtod
api-ms-win-crt-filesystem-l1-1-0
_stat64
_unlink
_unlock_file
_access
_lock_file
_fstat64
api-ms-win-crt-locale-l1-1-0
localeconv
_configthreadlocale
api-ms-win-crt-string-l1-1-0
isupper
strncmp
_strdup
strspn
tolower
strpbrk
strcspn
strcmp
strncpy
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
api-ms-win-crt-utility-l1-1-0
qsort
Sections
.text Size: 472KB - Virtual size: 471KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 106KB - Virtual size: 105KB
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: 18KB - Virtual size: 18KB
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