Static task
static1
Behavioral task
behavioral1
Sample
UD.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
UD.exe
Resource
win10v2004-20231020-en
General
-
Target
UD.exe
-
Size
654KB
-
MD5
ef2aa134a388d4f23ff65ea967339cf1
-
SHA1
0ccf3dbafe598f7f978cded5cbf4aee6b5ba679f
-
SHA256
879f2da082ac6cd4f04d92c3947bde60f67cd328ec586f1dbe3e2688474073b5
-
SHA512
c144bb5ae258f752fc80ca8c781342ae301c0b996f5a972f2dc42dabd9614abc14e27ee379f8c0b71dc2490ebe25673d69afaa9cb3fd6b5360b785ae551362f5
-
SSDEEP
12288:MNMzNbshzHhV0+eFREKF16Nzs6wb1ix2JXuOJMQq1kP:MChIhz0+SRTmzs6w5Q2zDq1kP
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource UD.exe
Files
-
UD.exe.exe windows:6 windows x64 arch:x64
e85c8c07cfeebee1337e05a12266ae26
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
MoveFileExA
WaitForSingleObjectEx
MultiByteToWideChar
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
GetLocaleInfoEx
FindClose
FindFirstFileW
GetFileAttributesExW
GetTickCount
QueryPerformanceCounter
VerifyVersionInfoA
LoadLibraryA
GetProcAddress
FreeLibrary
GetSystemDirectoryA
QueryPerformanceFrequency
VerSetConditionMask
AreFileApisANSI
GetFileInformationByHandleEx
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetCurrentProcessId
GetCurrentThreadId
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
GetCurrentProcess
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
SetConsoleTextAttribute
HeapReAlloc
HeapAlloc
HeapDestroy
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetConsoleWindow
CreateProcessW
CloseHandle
GetLastError
Sleep
WaitForSingleObject
GetStdHandle
SetConsoleTitleA
SleepEx
CreateFileW
user32
MessageBoxW
SetLayeredWindowAttributes
SetWindowLongW
MessageBoxA
GetWindowLongW
msvcp140
??1_Lockit@std@@QEAA@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?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
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setf@ios_base@std@@QEAAHHH@Z
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@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
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?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
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@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
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??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
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?_Xout_of_range@std@@YAXPEBD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Xbad_function_call@std@@YAXXZ
?_Winerror_map@std@@YAHH@Z
urlmon
URLDownloadToFileW
normaliz
IdnToAscii
wldap32
ord50
ord22
ord217
ord143
ord45
ord60
ord26
ord27
ord32
ord35
ord301
ord41
ord200
ord30
ord46
ord33
ord79
ord211
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
CertOpenStore
CryptDecodeObjectEx
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertAddCertificateContextToStore
PFXImportCertStore
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
CertFindExtension
ws2_32
recvfrom
sendto
gethostname
ntohl
getaddrinfo
select
__WSAFDIsSet
ioctlsocket
listen
htonl
accept
WSACleanup
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
bind
WSAGetLastError
send
recv
closesocket
freeaddrinfo
WSAStartup
rpcrt4
RpcStringFreeA
UuidToStringA
UuidCreate
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strrchr
__std_terminate
__current_exception_context
__std_exception_copy
__std_exception_destroy
strstr
strchr
__current_exception
_CxxThrowException
memset
memchr
memcmp
memcpy
__C_specific_handler
memmove
api-ms-win-crt-runtime-l1-1-0
exit
_configure_narrow_argv
_invalid_parameter_noinfo_noreturn
_initialize_narrow_environment
abort
_resetstkoflw
_initialize_onexit_table
_register_onexit_function
_invalid_parameter_noinfo
__sys_nerr
_beginthreadex
system
_crt_atexit
_cexit
_seh_filter_exe
terminate
_set_app_type
strerror
_errno
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_getpid
_exit
_initterm_e
_initterm
_get_initial_narrow_environment
api-ms-win-crt-stdio-l1-1-0
_read
_write
_close
_open
__p__commode
_set_fmode
_pclose
fgets
_get_stream_buffer_pointers
_fseeki64
fread
fputc
fflush
ungetc
_lseeki64
fclose
ftell
fseek
feof
__stdio_common_vsscanf
fputs
fopen
setvbuf
__stdio_common_vfwprintf
fgetpos
__stdio_common_vsprintf
fgetc
_popen
fwrite
fsetpos
__acrt_iob_func
api-ms-win-crt-heap-l1-1-0
malloc
_set_new_mode
_callnewh
free
realloc
calloc
api-ms-win-crt-math-l1-1-0
_dsign
_dclass
__setusermatherr
api-ms-win-crt-convert-l1-1-0
strtoull
strtoul
strtod
atoi
strtol
strtoll
api-ms-win-crt-filesystem-l1-1-0
_unlink
remove
_access
_unlock_file
_stat64
_fstat64
_lock_file
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
localeconv
_configthreadlocale
api-ms-win-crt-string-l1-1-0
strpbrk
tolower
strncpy
_strdup
isupper
strspn
strcspn
strcmp
strncmp
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
advapi32
GetTokenInformation
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
SetSecurityInfo
OpenProcessToken
CryptEncrypt
CryptImportKey
CryptDestroyKey
AddAccessAllowedAce
GetLengthSid
InitializeAcl
IsValidSid
CryptDestroyHash
shell32
ShellExecuteA
Sections
.text Size: 505KB - Virtual size: 504KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 121KB - Virtual size: 121KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 20KB - Virtual size: 20KB
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: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ