libcrypto-1_1-x64[.]dll

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General

Target

libcrypto-1_1-x64.dll
Size

3.3MB
MD5

187d66a07baf0606d5a6a16d2d2be069
SHA1

afe50cd61c1a04d768ceb5d6fb8a5bd51ae12848
SHA256

737be5641c4d4b7e89a1fb7ec791ae99d479f03ebbeeb208db9d8f41b3a50852
SHA512

7b86672e809ac8ee25a86d54c63c3e299434c91d789110505c60e20cc47dc0964510389e84f528255385c7393e3342344010f4542cb54494fcef47868d478643
SSDEEP

98304:zl+HGPlIp7HORKkKG/J98l1CPwDv3uFfJ:Z1P6pLOckKG/ol1CPwDv3uFfJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
libcrypto-1_1-x64.dll

Files

libcrypto-1_1-x64.dll
.dll windows:6 windows x64 arch:x64

a9276ef0d7c699e3f8fc9b6cdaebbf5e

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

closesocket
bind
accept
listen
WSACleanup
WSAStartup
gethostbyname
getsockopt
getsockname
ioctlsocket
getnameinfo
ntohs
freeaddrinfo
getaddrinfo
setsockopt
socket
shutdown
recv
send
WSASetLastError
recvfrom
sendto
connect
WSAGetLastError

advapi32

RegisterEventSourceW
DeregisterEventSource
ReportEventW

user32

GetUserObjectInformationW
MessageBoxW
GetProcessWindowStation

bcrypt

BCryptGenRandom

kernel32

SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlLookupFunctionEntry
RtlCaptureContext
TerminateProcess
GetCurrentProcess
ReadConsoleW
ReadConsoleA
SetConsoleMode
GetConsoleMode
IsProcessorFeaturePresent
TlsSetValue
TlsGetValue
TlsAlloc
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
GetStartupInfoW
InitializeSListHead
TlsFree
IsDebuggerPresent
QueryPerformanceCounter
WideCharToMultiByte
FindNextFileW
FindFirstFileW
FindClose
GetModuleHandleExW
RtlVirtualUnwind
ConvertFiberToThread
ConvertThreadToFiber
SwitchToFiber
DeleteFiber
CreateFiber
FormatMessageW
GetSystemTime
SystemTimeToFileTime
GetLastError
SetLastError
GetStdHandle
GetEnvironmentVariableW
GetFileType
WriteFile
GetModuleHandleW
GetProcAddress
MultiByteToWideChar
CloseHandle
FreeLibrary
LoadLibraryA
LoadLibraryW

vcruntime140

__std_type_info_destroy_list
strstr
wcsstr
memmove
strchr
strrchr
memcmp
memset
memcpy
__C_specific_handler
memchr

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

__stdio_common_vswprintf
_setmode
ftell
__stdio_common_vfprintf
fwrite
fseek
fread
fopen
_fileno
fgets
fflush
ferror
clearerr
setbuf
feof
fclose
fputs
__stdio_common_vsscanf
__acrt_iob_func
__stdio_common_vsprintf
_wfopen

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

strtoul
atoi
strtol

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

_strnicmp
strcspn
strncmp
strncpy
strcmp
isspace
_strdup
_stricmp
strspn

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

_gmtime64_s
_time64

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

qsort

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

_initialize_narrow_environment
_initialize_onexit_table
signal
strerror_s
_execute_onexit_table
_seh_filter_dll
_crt_atexit
_errno
_crt_at_quick_exit
terminate
perror
_register_onexit_function
_exit
_initterm_e
_initterm
_configure_narrow_argv
_cexit
raise

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

_fstat64i32
_stat64i32
_chmod

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

free
realloc
malloc

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

getenv

Exports

Exports

ACCESS_DESCRIPTION_free
ACCESS_DESCRIPTION_it
ACCESS_DESCRIPTION_new
ADMISSIONS_free
ADMISSIONS_get0_admissionAuthority
ADMISSIONS_get0_namingAuthority
ADMISSIONS_get0_professionInfos
ADMISSIONS_it
ADMISSIONS_new
ADMISSIONS_set0_admissionAuthority
ADMISSIONS_set0_namingAuthority
ADMISSIONS_set0_professionInfos
ADMISSION_SYNTAX_free
ADMISSION_SYNTAX_get0_admissionAuthority
ADMISSION_SYNTAX_get0_contentsOfAdmissions
ADMISSION_SYNTAX_it
ADMISSION_SYNTAX_new
ADMISSION_SYNTAX_set0_admissionAuthority
ADMISSION_SYNTAX_set0_contentsOfAdmissions
AES_bi_ige_encrypt
AES_cbc_encrypt
AES_cfb128_encrypt
AES_cfb1_encrypt
AES_cfb8_encrypt
AES_decrypt
AES_ecb_encrypt
AES_encrypt
AES_ige_encrypt
AES_ofb128_encrypt
AES_options
AES_set_decrypt_key
AES_set_encrypt_key
AES_unwrap_key
AES_wrap_key
ASIdOrRange_free
ASIdOrRange_it
ASIdOrRange_new
ASIdentifierChoice_free
ASIdentifierChoice_it
ASIdentifierChoice_new
ASIdentifiers_free
ASIdentifiers_it
ASIdentifiers_new
ASN1_ANY_it
ASN1_BIT_STRING_check
ASN1_BIT_STRING_free
ASN1_BIT_STRING_get_bit
ASN1_BIT_STRING_it
ASN1_BIT_STRING_name_print
ASN1_BIT_STRING_new
ASN1_BIT_STRING_num_asc
ASN1_BIT_STRING_set
ASN1_BIT_STRING_set_asc
ASN1_BIT_STRING_set_bit
ASN1_BMPSTRING_free
ASN1_BMPSTRING_it
ASN1_BMPSTRING_new
ASN1_BOOLEAN_it
ASN1_ENUMERATED_free
ASN1_ENUMERATED_get
ASN1_ENUMERATED_get_int64
ASN1_ENUMERATED_it
ASN1_ENUMERATED_new
ASN1_ENUMERATED_set
ASN1_ENUMERATED_set_int64
ASN1_ENUMERATED_to_BN
ASN1_FBOOLEAN_it
ASN1_GENERALIZEDTIME_adj
ASN1_GENERALIZEDTIME_check
ASN1_GENERALIZEDTIME_free
ASN1_GENERALIZEDTIME_it
ASN1_GENERALIZEDTIME_new
ASN1_GENERALIZEDTIME_print
ASN1_GENERALIZEDTIME_set
ASN1_GENERALIZEDTIME_set_string
ASN1_GENERALSTRING_free
ASN1_GENERALSTRING_it
ASN1_GENERALSTRING_new
ASN1_IA5STRING_free
ASN1_IA5STRING_it
ASN1_IA5STRING_new
ASN1_INTEGER_cmp
ASN1_INTEGER_dup
ASN1_INTEGER_free
ASN1_INTEGER_get
ASN1_INTEGER_get_int64
ASN1_INTEGER_get_uint64
ASN1_INTEGER_it
ASN1_INTEGER_new
ASN1_INTEGER_set
ASN1_INTEGER_set_int64
ASN1_INTEGER_set_uint64
ASN1_INTEGER_to_BN
ASN1_ITEM_get
ASN1_ITEM_lookup
ASN1_NULL_free
ASN1_NULL_it
ASN1_NULL_new
ASN1_OBJECT_create
ASN1_OBJECT_free
ASN1_OBJECT_it
ASN1_OBJECT_new
ASN1_OCTET_STRING_NDEF_it
ASN1_OCTET_STRING_cmp
ASN1_OCTET_STRING_dup
ASN1_OCTET_STRING_free
ASN1_OCTET_STRING_it
ASN1_OCTET_STRING_new
ASN1_OCTET_STRING_set
ASN1_PCTX_free
ASN1_PCTX_get_cert_flags
ASN1_PCTX_get_flags
ASN1_PCTX_get_nm_flags
ASN1_PCTX_get_oid_flags
ASN1_PCTX_get_str_flags
ASN1_PCTX_new
ASN1_PCTX_set_cert_flags
ASN1_PCTX_set_flags
ASN1_PCTX_set_nm_flags
ASN1_PCTX_set_oid_flags
ASN1_PCTX_set_str_flags
ASN1_PRINTABLESTRING_free
ASN1_PRINTABLESTRING_it
ASN1_PRINTABLESTRING_new
ASN1_PRINTABLE_free
ASN1_PRINTABLE_it
ASN1_PRINTABLE_new
ASN1_PRINTABLE_type
ASN1_SCTX_free
ASN1_SCTX_get_app_data
ASN1_SCTX_get_flags
ASN1_SCTX_get_item
ASN1_SCTX_get_template
ASN1_SCTX_new
ASN1_SCTX_set_app_data
ASN1_SEQUENCE_ANY_it
ASN1_SEQUENCE_it
ASN1_SET_ANY_it
ASN1_STRING_TABLE_add
ASN1_STRING_TABLE_cleanup
ASN1_STRING_TABLE_get
ASN1_STRING_clear_free
ASN1_STRING_cmp
ASN1_STRING_copy
ASN1_STRING_data
ASN1_STRING_dup
ASN1_STRING_free
ASN1_STRING_get0_data
ASN1_STRING_get_default_mask
ASN1_STRING_length
ASN1_STRING_length_set
ASN1_STRING_new
ASN1_STRING_print
ASN1_STRING_print_ex
ASN1_STRING_print_ex_fp
ASN1_STRING_set
ASN1_STRING_set0
ASN1_STRING_set_by_NID
ASN1_STRING_set_default_mask
ASN1_STRING_set_default_mask_asc
ASN1_STRING_to_UTF8
ASN1_STRING_type
ASN1_STRING_type_new
ASN1_T61STRING_free
ASN1_T61STRING_it
ASN1_T61STRING_new
ASN1_TBOOLEAN_it
ASN1_TIME_adj
ASN1_TIME_check
ASN1_TIME_cmp_time_t
ASN1_TIME_compare
ASN1_TIME_diff
ASN1_TIME_free
ASN1_TIME_it
ASN1_TIME_new
ASN1_TIME_normalize
ASN1_TIME_print
ASN1_TIME_set
ASN1_TIME_set_string
ASN1_TIME_set_string_X509
ASN1_TIME_to_generalizedtime
ASN1_TIME_to_tm
ASN1_TYPE_cmp
ASN1_TYPE_free
ASN1_TYPE_get
ASN1_TYPE_get_int_octetstring
ASN1_TYPE_get_octetstring
ASN1_TYPE_new
ASN1_TYPE_pack_sequence
ASN1_TYPE_set
ASN1_TYPE_set1
ASN1_TYPE_set_int_octetstring
ASN1_TYPE_set_octetstring
ASN1_TYPE_unpack_sequence
ASN1_UNIVERSALSTRING_free
ASN1_UNIVERSALSTRING_it
ASN1_UNIVERSALSTRING_new
ASN1_UNIVERSALSTRING_to_string
ASN1_UTCTIME_adj
ASN1_UTCTIME_check
ASN1_UTCTIME_cmp_time_t
ASN1_UTCTIME_free
ASN1_UTCTIME_it
ASN1_UTCTIME_new
ASN1_UTCTIME_print
ASN1_UTCTIME_set
ASN1_UTCTIME_set_string
ASN1_UTF8STRING_free
ASN1_UTF8STRING_it
ASN1_UTF8STRING_new
ASN1_VISIBLESTRING_free
ASN1_VISIBLESTRING_it
ASN1_VISIBLESTRING_new
ASN1_add_oid_module
ASN1_add_stable_module
ASN1_bn_print
ASN1_buf_print
ASN1_check_infinite_end
ASN1_const_check_infinite_end
ASN1_d2i_bio
ASN1_d2i_fp
ASN1_digest
ASN1_dup
ASN1_generate_nconf
ASN1_generate_v3
ASN1_get_object
ASN1_i2d_bio
ASN1_i2d_fp
ASN1_item_d2i
ASN1_item_d2i_bio
ASN1_item_d2i_fp
ASN1_item_digest
ASN1_item_dup
ASN1_item_ex_d2i
ASN1_item_ex_free
ASN1_item_ex_i2d
ASN1_item_ex_new
ASN1_item_free
ASN1_item_i2d
ASN1_item_i2d_bio
ASN1_item_i2d_fp
ASN1_item_ndef_i2d
ASN1_item_new
ASN1_item_pack
ASN1_item_print
ASN1_item_sign
ASN1_item_sign_ctx
ASN1_item_unpack
ASN1_item_verify
ASN1_mbstring_copy
ASN1_mbstring_ncopy
ASN1_object_size
ASN1_parse
ASN1_parse_dump
ASN1_put_eoc
ASN1_put_object
ASN1_sign
ASN1_str2mask
ASN1_tag2bit
ASN1_tag2str
ASN1_verify
ASRange_free
ASRange_it
ASRange_new
ASYNC_WAIT_CTX_clear_fd
ASYNC_WAIT_CTX_free
ASYNC_WAIT_CTX_get_all_fds
ASYNC_WAIT_CTX_get_changed_fds
ASYNC_WAIT_CTX_get_fd
ASYNC_WAIT_CTX_new
ASYNC_WAIT_CTX_set_wait_fd
ASYNC_block_pause
ASYNC_cleanup_thread
ASYNC_get_current_job
ASYNC_get_wait_ctx
ASYNC_init_thread
ASYNC_is_capable
ASYNC_pause_job
ASYNC_start_job
ASYNC_unblock_pause
AUTHORITY_INFO_ACCESS_free
AUTHORITY_INFO_ACCESS_it
AUTHORITY_INFO_ACCESS_new
AUTHORITY_KEYID_free
AUTHORITY_KEYID_it
AUTHORITY_KEYID_new
BASIC_CONSTRAINTS_free
BASIC_CONSTRAINTS_it
BASIC_CONSTRAINTS_new
BF_cbc_encrypt
BF_cfb64_encrypt
BF_decrypt
BF_ecb_encrypt
BF_encrypt
BF_ofb64_encrypt
BF_options
BF_set_key
BIGNUM_it
BIO_ADDRINFO_address
BIO_ADDRINFO_family
BIO_ADDRINFO_free
BIO_ADDRINFO_next
BIO_ADDRINFO_protocol
BIO_ADDRINFO_socktype
BIO_ADDR_clear
BIO_ADDR_family
BIO_ADDR_free
BIO_ADDR_hostname_string
BIO_ADDR_new
BIO_ADDR_path_string
BIO_ADDR_rawaddress
BIO_ADDR_rawmake
BIO_ADDR_rawport
BIO_ADDR_service_string
BIO_accept
BIO_accept_ex
BIO_asn1_get_prefix
BIO_asn1_get_suffix
BIO_asn1_set_prefix
BIO_asn1_set_suffix
BIO_bind
BIO_callback_ctrl
BIO_clear_flags
BIO_closesocket
BIO_connect
BIO_copy_next_retry
BIO_ctrl
BIO_ctrl_get_read_request
BIO_ctrl_get_write_guarantee
BIO_ctrl_pending
BIO_ctrl_reset_read_request
BIO_ctrl_wpending
BIO_debug_callback
BIO_dgram_non_fatal_error
BIO_dump
BIO_dump_cb
BIO_dump_fp
BIO_dump_indent
BIO_dump_indent_cb
BIO_dump_indent_fp
BIO_dup_chain
BIO_f_asn1
BIO_f_base64
BIO_f_buffer
BIO_f_cipher
BIO_f_linebuffer
BIO_f_md
BIO_f_nbio_test
BIO_f_null
BIO_f_reliable
BIO_f_zlib
BIO_fd_non_fatal_error
BIO_fd_should_retry
BIO_find_type
BIO_free
BIO_free_all
BIO_get_accept_socket
BIO_get_callback
BIO_get_callback_arg
BIO_get_callback_ex
BIO_get_data
BIO_get_ex_data
BIO_get_host_ip
BIO_get_init
BIO_get_new_index
BIO_get_port
BIO_get_retry_BIO
BIO_get_retry_reason
BIO_get_shutdown
BIO_gethostbyname
BIO_gets
BIO_hex_string
BIO_indent
BIO_int_ctrl
BIO_listen
BIO_lookup
BIO_lookup_ex
BIO_meth_free
BIO_meth_get_callback_ctrl
BIO_meth_get_create
BIO_meth_get_ctrl
BIO_meth_get_destroy
BIO_meth_get_gets
BIO_meth_get_puts
BIO_meth_get_read
BIO_meth_get_read_ex
BIO_meth_get_write
BIO_meth_get_write_ex
BIO_meth_new
BIO_meth_set_callback_ctrl
BIO_meth_set_create
BIO_meth_set_ctrl
BIO_meth_set_destroy
BIO_meth_set_gets
BIO_meth_set_puts
BIO_meth_set_read
BIO_meth_set_read_ex
BIO_meth_set_write
BIO_meth_set_write_ex
BIO_method_name
BIO_method_type
BIO_new
BIO_new_CMS
BIO_new_NDEF
BIO_new_PKCS7
BIO_new_accept
BIO_new_bio_pair
BIO_new_connect
BIO_new_dgram
BIO_new_fd
BIO_new_file
BIO_new_fp
BIO_new_mem_buf
BIO_new_socket
BIO_next
BIO_nread
BIO_nread0
BIO_number_read
BIO_number_written
BIO_nwrite
BIO_nwrite0
BIO_parse_hostserv
BIO_pop
BIO_printf
BIO_ptr_ctrl
BIO_push
BIO_puts
BIO_read
BIO_read_ex
BIO_s_accept
BIO_s_bio
BIO_s_connect
BIO_s_datagram
BIO_s_fd
BIO_s_file
BIO_s_log
BIO_s_mem
BIO_s_null
BIO_s_secmem
BIO_s_socket
BIO_set_callback
BIO_set_callback_arg
BIO_set_callback_ex
BIO_set_cipher
BIO_set_data
BIO_set_ex_data
BIO_set_flags
BIO_set_init
BIO_set_next
BIO_set_retry_reason
BIO_set_shutdown
BIO_set_tcp_ndelay
BIO_snprintf
BIO_sock_error
BIO_sock_info
BIO_sock_init
BIO_sock_non_fatal_error
BIO_sock_should_retry
BIO_socket
BIO_socket_ioctl
BIO_socket_nbio
BIO_test_flags
BIO_up_ref
BIO_vfree
BIO_vprintf
BIO_vsnprintf
BIO_write
BIO_write_ex
BN_BLINDING_convert
BN_BLINDING_convert_ex
BN_BLINDING_create_param
BN_BLINDING_free
BN_BLINDING_get_flags
BN_BLINDING_invert
BN_BLINDING_invert_ex
BN_BLINDING_is_current_thread
BN_BLINDING_lock
BN_BLINDING_new
BN_BLINDING_set_current_thread
BN_BLINDING_set_flags
BN_BLINDING_unlock
BN_BLINDING_update
BN_CTX_end
BN_CTX_free
BN_CTX_get
BN_CTX_new
BN_CTX_secure_new
BN_CTX_start
BN_GENCB_call
BN_GENCB_free
BN_GENCB_get_arg
BN_GENCB_new
BN_GENCB_set
BN_GENCB_set_old
BN_GF2m_add
BN_GF2m_arr2poly
BN_GF2m_mod
BN_GF2m_mod_arr
BN_GF2m_mod_div
BN_GF2m_mod_div_arr

Sections

.text
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 840KB - Virtual size: 840KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 113KB - Virtual size: 112KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 283B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a9276ef0d7c699e3f8fc9b6cdaebbf5e

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

advapi32

user32

bcrypt

kernel32

vcruntime140

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 2.3MB - Virtual size: 2.3MB

.rdata Size: 840KB - Virtual size: 840KB

.data Size: 11KB - Virtual size: 30KB

.pdata Size: 113KB - Virtual size: 112KB

.idata Size: 9KB - Virtual size: 8KB

.00cfg Size: 512B - Virtual size: 283B

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

.reloc Size: 30KB - Virtual size: 30KB

.text
Size: 2.3MB - Virtual size: 2.3MB

.rdata
Size: 840KB - Virtual size: 840KB

.data
Size: 11KB - Virtual size: 30KB

.pdata
Size: 113KB - Virtual size: 112KB

.idata
Size: 9KB - Virtual size: 8KB

.00cfg
Size: 512B - Virtual size: 283B

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

.reloc
Size: 30KB - Virtual size: 30KB