clamd[.]exe | Triage

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General

Target

clamd.exe
Size

182KB
MD5

cb63da416fa74a1ba0aa9b268767dc1a
SHA1

2e3ed5d6401cda2414fb21fe32d687906888648a
SHA256

be96b69f8cc719fb92eb6942819c4ea2955e7ed9a9401042a29b3f7d83b064ab
SHA512

289dca9c4e5889138dba3199989de3f961e1b3409e27cfa9bb3996205b85c023c15a87d1d40081c9fe484cf0781791f55ef6031ddeecf80d96fdf84f5408c526
SSDEEP

3072:lgMoaQY/3L6By6Y7eXViMQJ0OwapWzYXqYuU0B1yb6lHSpZCRDtBf6coc:lg/aQDY7elvQ25apWzYXqYuU+bg6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
clamd.exe

Files

clamd.exe
.exe windows:6 windows x64 arch:x64

71a5385ae55c09e1dbcb391edbac5471

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

libclamav

cl_engine_settings_copy
cl_engine_settings_apply
cl_engine_settings_free
cl_engine_get_num
cli_realpath
cli_get_filepath_from_filedesc
cli_gentempfd
cl_statinidir
cl_statchkdir
cl_statfree
cli_chomp
cli_unlink
cl_scanfile_callback
cl_retver
cli_ftw
mpool_getstats
cli_regcomp
cli_regexec
cli_regfree
cl_retdbdir
cl_cvdhead
cl_cvdfree
cl_cvdgetage
cl_retflevel
cl_scandesc_callback
cli_strerror
cli_ctime
cl_strerror
cl_load
cl_engine_set_clcb_hash
cl_set_clcb_msg
cl_engine_set_clcb_sigload
cl_engine_set_clcb_virus_found
cl_engine_free
cl_engine_compile
cl_engine_set_str
cl_engine_set_num
cl_engine_addref
cl_engine_new
cl_debug
cl_init
cli_writen

pthreadvc3

pthread_mutex_lock
pthread_mutex_unlock
pthread_attr_init
pthread_attr_destroy
pthread_attr_setdetachstate
pthread_create
pthread_join
pthread_mutex_destroy
pthread_cond_destroy
pthread_cond_wait
pthread_cond_signal
pthread_once
pthread_key_create
pthread_setspecific
pthread_mutex_init
pthread_cond_broadcast
pthread_cond_timedwait
pthread_cond_init
pthread_getspecific

wsock32

inet_addr
listen
recv
select
send
setsockopt
shutdown
socket
WSAGetLastError
accept
getpeername
inet_ntoa
closesocket
ntohl
ntohs
bind

ws2_32

WSAEnumNetworkEvents
freeaddrinfo
getaddrinfo
WSAEventSelect

kernel32

RtlCaptureContext
UnhandledExceptionFilter
RtlVirtualUnwind
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlLookupFunctionEntry
FindFirstFileW
FindNextFileW
GetModuleHandleW
FindClose
GetFileAttributesExW
CreateFileA
GetCurrentDirectoryW
GetCommandLineW
GetCommandLineA
RegisterWaitForSingleObject
UnregisterWaitEx
WaitForMultipleObjects
Sleep
SetConsoleCtrlHandler
CreateThread
WaitForSingleObject
lstrcmpiA
GetModuleFileNameA
WideCharToMultiByte
MultiByteToWideChar
MoveFileA
GetLastError
CreateEventA
ResetEvent
SetEvent
CloseHandle
GetCurrentProcessId

advapi32

RegCloseKey
RegQueryValueExA
ChangeServiceConfig2A
CloseServiceHandle
CreateServiceA
DeleteService
OpenSCManagerA
OpenServiceA
RegisterServiceCtrlHandlerA
SetServiceStatus
StartServiceCtrlDispatcherA
RegOpenKeyExA

vcruntime140

memchr
memmove
strchr
strrchr
memcpy
wcsrchr
wcsstr
__C_specific_handler
memset

api-ms-win-crt-runtime-l1-1-0

_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
_initterm
_errno
_set_app_type
_seh_filter_exe
__p___argc
_initterm_e
_set_errno
__p___argv
_cexit
_c_exit
_crt_atexit
_register_thread_local_exe_atexit_callback
_register_onexit_function
_exit
terminate
_initialize_onexit_table
exit

api-ms-win-crt-stdio-l1-1-0

_chsize
fflush
fgets
_set_fmode
__p__commode
_close
_fileno
fopen
__stdio_common_vfprintf
__stdio_common_vsprintf
__acrt_iob_func
fclose
_setmode

api-ms-win-crt-heap-l1-1-0

calloc
malloc
realloc
free
_set_new_mode

api-ms-win-crt-time-l1-1-0

_time64
_ftime64_s
_localtime64_s
_ctime64
strftime

api-ms-win-crt-string-l1-1-0

strcmp
wcsncpy
strncpy
_strnicmp
_strdup
strncmp
wcsncat
wcsncmp
strpbrk

api-ms-win-crt-filesystem-l1-1-0

_unlink
_umask
_fstat64i32

api-ms-win-crt-convert-l1-1-0

strtoul
atoi

api-ms-win-crt-environment-l1-1-0

getenv

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 95KB - Virtual size: 95KB

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: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 18KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

71a5385ae55c09e1dbcb391edbac5471

Headers

DLL Characteristics

File Characteristics

Imports

libclamav

pthreadvc3

wsock32

ws2_32

kernel32

advapi32

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 59KB - Virtual size: 58KB

.rdata Size: 95KB - Virtual size: 95KB

.data Size: 2KB - Virtual size: 4KB

.pdata Size: 3KB - Virtual size: 2KB

.rsrc Size: 18KB - Virtual size: 18KB

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 59KB - Virtual size: 58KB

.rdata
Size: 95KB - Virtual size: 95KB

.data
Size: 2KB - Virtual size: 4KB

.pdata
Size: 3KB - Virtual size: 2KB

.rsrc
Size: 18KB - Virtual size: 18KB

.reloc
Size: 3KB - Virtual size: 2KB