Static task
static1
Behavioral task
behavioral1
Sample
Hydro.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Hydro.exe
Resource
win10v2004-20231215-en
General
-
Target
Hydro.exe
-
Size
4.5MB
-
MD5
b62d906fb0a53049e19a6d9b20e7574d
-
SHA1
bc371c20927448ae6b3e774a80e9356d92b909ad
-
SHA256
491bfad72bf6eb238edd17ecba96bba6796e248d8a694fda4a55b09ba80f764f
-
SHA512
039ad490c7d92dfac1f1587e1a6279f91c5283b44e69d0db00d9016b94b667eb5d536f2de9372fe0e3c234e172b9fe76018f15f804e82eaa3ca998cd3a6d14da
-
SSDEEP
49152:11LkAqPtjZ1dLwy/MnscDze5Y5Hmg+5HSyO:11L+PtlWn5Dz92
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Hydro.exe
Files
-
Hydro.exe.exe windows:6 windows x64 arch:x64
b75edbd96c7f37b8f551c2ce94e25102
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
GetModuleHandleW
QueryFullProcessImageNameW
MultiByteToWideChar
LocalFree
EnterCriticalSection
LeaveCriticalSection
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryA
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
MoveFileExA
GetModuleFileNameA
FreeLibrary
CreateFileMappingW
UnmapViewOfFile
ResumeThread
CreateThread
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
FormatMessageA
GetFileSizeEx
WideCharToMultiByte
GetLocaleInfoEx
CreateDirectoryW
FindClose
FindFirstFileW
GetFileAttributesW
GetFileAttributesExW
GetFullPathNameW
SetFileInformationByHandle
GetTempPathW
AreFileApisANSI
MoveFileExW
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetProcAddress
CreateFileMappingA
QueryFullProcessImageNameA
GetConsoleWindow
K32EnumProcesses
K32EnumProcessModules
K32GetModuleFileNameExA
WaitForSingleObjectEx
GetFileInformationByHandleEx
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
MapViewOfFile
OpenProcess
GetLastError
TerminateProcess
GetCurrentProcess
Sleep
RaiseException
CloseHandle
GetVolumeInformationA
CreateFileA
LoadLibraryA
GetModuleHandleA
WakeAllConditionVariable
SleepConditionVariableSRW
UnhandledExceptionFilter
VirtualProtect
SetLastError
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
CreateFileW
user32
MessageBoxA
SetCursorPos
EnumWindows
GetClassNameA
SetWindowTextA
FindWindowW
GetWindowTextA
advapi32
CryptReleaseContext
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptGetHashParam
CryptGenRandom
AddAccessAllowedAce
RegSetValueExA
RegOpenKeyA
RegDeleteKeyA
RegCreateKeyA
RegCloseKey
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken
CryptCreateHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
msvcp140
?_Xlength_error@std@@YAXPEBD@Z
??0_Lockit@std@@QEAA@H@Z
?_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?$_Smanip@_J@1@_J@Z
?_Xbad_function_call@std@@YAXXZ
??1?$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?$char_traits@D@std@@@std@@IEBAPEADXZ
?setf@ios_base@std@@QEAAHHH@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?id@?$ctype@D@std@@2V0locale@2@A
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??1?$basic_ostream@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?$char_traits@D@std@@@std@@IEAA@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?setstate@?$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?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Pnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?pbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?_Gnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Gninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gndec@?$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?$char_traits@D@std@@@std@@IEBAPEADXZ
??1_Lockit@std@@QEAA@XZ
?_Xout_of_range@std@@YAXPEBD@Z
?uncaught_exception@std@@YA_NXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?width@ios_base@std@@QEAA_J_J@Z
_Xtime_get_ticks
_Query_perf_counter
_Query_perf_frequency
_Thrd_sleep
?_Syserror_map@std@@YAPEBDH@Z
?width@ios_base@std@@QEBA_JXZ
?flags@ios_base@std@@QEBAHXZ
?good@ios_base@std@@QEBA_NXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?is@?$ctype@D@std@@QEBA_NFD@Z
?_Winerror_map@std@@YAHH@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??Bid@locale@std@@QEAA_KXZ
imagehlp
ImageRvaToVa
UnMapAndLoad
MapAndLoad
ImageDirectoryEntryToData
ntdll
RtlCaptureContext
RtlLookupFunctionEntry
RtlInitAnsiString
RtlVirtualUnwind
VerSetConditionMask
RtlAnsiStringToUnicodeString
normaliz
IdnToAscii
wldap32
ord79
ord30
ord200
ord27
ord32
ord26
ord22
ord143
ord217
ord46
ord35
ord33
ord211
ord60
ord45
ord41
ord50
ord301
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertOpenStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
ws2_32
ntohs
setsockopt
socket
getsockopt
getsockname
WSAIoctl
WSAStartup
WSACleanup
accept
getpeername
htonl
connect
listen
ioctlsocket
__WSAFDIsSet
select
getaddrinfo
freeaddrinfo
recvfrom
sendto
gethostname
ntohl
bind
WSAGetLastError
send
recv
closesocket
htons
WSASetLastError
shlwapi
PathFindFileNameA
PathFindFileNameW
rpcrt4
RpcStringFreeA
UuidToStringA
UuidCreate
psapi
EnumProcessModules
EnumProcesses
GetModuleInformation
GetModuleFileNameExW
userenv
UnloadUserProfile
vcruntime140
__C_specific_handler
memcpy
memmove
__std_exception_copy
__std_exception_destroy
_CxxThrowException
__std_terminate
memset
memchr
__current_exception_context
memcmp
strstr
__current_exception
strrchr
strchr
wcsstr
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
strerror
_getpid
__sys_nerr
abort
_invalid_parameter_noinfo_noreturn
_beginthreadex
exit
_wsystem
system
terminate
_invalid_parameter_noinfo
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_errno
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_cexit
_exit
_initterm_e
_initterm
_get_initial_narrow_environment
_configure_narrow_argv
_set_app_type
_seh_filter_exe
_resetstkoflw
api-ms-win-crt-stdio-l1-1-0
_write
_close
_open
_read
__p__commode
fread
fclose
_get_stream_buffer_pointers
__acrt_iob_func
__stdio_common_vfprintf
fputc
ungetc
setvbuf
_lseeki64
fwrite
fflush
_fseeki64
fsetpos
ftell
fgets
fseek
feof
fgetc
__stdio_common_vsscanf
fputs
fopen
_pclose
fgetpos
_set_fmode
__stdio_common_vsprintf
_popen
api-ms-win-crt-string-l1-1-0
strncpy
strpbrk
strcspn
strspn
wcscpy_s
_strdup
toupper
isalpha
strncmp
strcpy_s
strcmp
strlen
strnlen
isupper
islower
tolower
api-ms-win-crt-heap-l1-1-0
realloc
_callnewh
free
malloc
_recalloc
_set_new_mode
calloc
api-ms-win-crt-utility-l1-1-0
qsort
rand
srand
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_fstat64
_unlink
_access
_lock_file
_stat64
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
api-ms-win-crt-multibyte-l1-1-0
_mbsstr
api-ms-win-crt-math-l1-1-0
__setusermatherr
_dtest
api-ms-win-crt-convert-l1-1-0
atoi
strtod
strtol
strtoll
strtoul
strtoull
api-ms-win-crt-locale-l1-1-0
localeconv
_configthreadlocale
___lc_codepage_func
shell32
ShellExecuteA
Sections
.text Size: 4.4MB - Virtual size: 4.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 125KB - Virtual size: 125KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 15KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 37KB - Virtual size: 36KB
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