libmodbus[.]dll

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General

Target

libmodbus.dll
Size

142KB
MD5

8903549cacb79f56f192d74233dce7d9
SHA1

0603a30be354ba7be5c93a78f61c5d1b7409e334
SHA256

52679ca4e9e431b4ea8a1fe887f296c333829ade10fa446c6bb96c0a5b9ea1fa
SHA512

72202de3bc21dab60437e2c01755fa050840a182c570634005a98c6e01e88f43a907527546d2305f85f325c83fddc1b3aaa1cd8e139c2dc4be0423f90555ad0b
SSDEEP

3072:IkCbvU7d43otFlih/GebWbZSUilR/DZKbVP+QFdhhW:IkCrAqgiw8W9SZRKFdhc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
libmodbus.dll

Files

libmodbus.dll
.dll windows:6 windows x64 arch:x64

229e38a17cd898550c2966b6afcd761d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

ws2_32

ntohl
freeaddrinfo
getaddrinfo
WSAGetLastError
WSAStartup
socket
shutdown
setsockopt
send
select
recv
listen
inet_ntoa
inet_addr
htons
getsockopt
ioctlsocket
connect
closesocket
bind
accept
htonl

kernel32

DeleteCriticalSection
WriteConsoleW
CreateFileW
HeapReAlloc
HeapSize
GetStringTypeW
SetFilePointerEx
GetFileSizeEx
FlushFileBuffers
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
CreateFileA
ReadFile
WriteFile
CloseHandle
GetLastError
GetCommState
PurgeComm
SetCommState
SetCommTimeouts
FormatMessageA
Sleep
IsValidCodePage
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedFlushSList
SetLastError
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RaiseException
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapAlloc
HeapFree
LCMapStringW
GetStdHandle
GetFileType
SetStdHandle
GetConsoleCP
GetConsoleMode
FindClose
FindFirstFileExW
FindNextFileW

Exports

Exports

modbus_close
modbus_connect
modbus_flush
modbus_free
modbus_get_byte_from_bits
modbus_get_byte_timeout
modbus_get_float
modbus_get_float_abcd
modbus_get_float_badc
modbus_get_float_cdab
modbus_get_float_dcba
modbus_get_header_length
modbus_get_indication_timeout
modbus_get_response_timeout
modbus_get_slave
modbus_get_socket
modbus_mapping_free
modbus_mapping_new
modbus_mapping_new_start_address
modbus_mask_write_register
modbus_new_rtu
modbus_new_tcp
modbus_new_tcp_pi
modbus_read_bits
modbus_read_input_bits
modbus_read_input_registers
modbus_read_registers
modbus_receive
modbus_receive_confirmation
modbus_reply
modbus_reply_exception
modbus_report_slave_id
modbus_rtu_get_rts
modbus_rtu_get_rts_delay
modbus_rtu_get_serial_mode
modbus_rtu_set_custom_rts
modbus_rtu_set_rts
modbus_rtu_set_rts_delay
modbus_rtu_set_serial_mode
modbus_send_raw_request
modbus_set_bits_from_byte
modbus_set_bits_from_bytes
modbus_set_byte_timeout
modbus_set_debug
modbus_set_error_recovery
modbus_set_float
modbus_set_float_abcd
modbus_set_float_badc
modbus_set_float_cdab
modbus_set_float_dcba
modbus_set_indication_timeout
modbus_set_response_timeout
modbus_set_slave
modbus_set_socket
modbus_strerror
modbus_tcp_accept
modbus_tcp_listen
modbus_tcp_pi_accept
modbus_tcp_pi_listen
modbus_write_and_read_registers
modbus_write_bit
modbus_write_bits
modbus_write_register
modbus_write_registers

Sections

.text
Size: 83KB - Virtual size: 83KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 47KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 5KB

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

Sharing

General

Malware Config

Signatures

Files

229e38a17cd898550c2966b6afcd761d

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

kernel32

Exports

Exports

Sections

.text Size: 83KB - Virtual size: 83KB

.rdata Size: 47KB - Virtual size: 46KB

.data Size: 3KB - Virtual size: 8KB

.pdata Size: 5KB - Virtual size: 5KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 83KB - Virtual size: 83KB

.rdata
Size: 47KB - Virtual size: 46KB

.data
Size: 3KB - Virtual size: 8KB

.pdata
Size: 5KB - Virtual size: 5KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 2KB - Virtual size: 1KB