libssh2[.]dll | Triage

Sharing

Copy URL

Twitter E-mail

General

Target

libssh2.dll
Size

264KB
MD5

000397b205b26b5fcac93384263cb9a6
SHA1

fc6809b9b59a0705f29370cb24c4e267b03c3f3b
SHA256

c57cf93c0f39a89bc2572006e43d4912b7428e025ed677b3df563ce6ee991436
SHA512

fc8831b0c77497a3e600e112a56169e15c68fc346c75bcda261e44631205e618557b69618038fdac1135514d017e160e1b33ff0d7b0900061feed1c801923401
SSDEEP

3072:CJ2gG/81MEMdXf1TNRM7NFGR5Pqbz8/T0Xs98fcYXZQ5QFsg8Gls+wYMh:i+/8uEwfVQ7rGavIAXsgcYXZQ5QK+wR

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
libssh2.dll

Files

libssh2.dll
.dll windows:6 windows x64 arch:x64

9705bfb891d281d3a351d73ecc6f6d39

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

libcrypto-1_1-x64

PEM_read_bio_RSAPrivateKey
PEM_read_bio_DSAPrivateKey
PEM_read_bio_ECPrivateKey
PEM_read_bio_PrivateKey
ENGINE_load_builtin_engines
ENGINE_register_all_complete
RAND_bytes
EVP_des_ede3_cbc
EVP_rc4
EVP_bf_cbc
EVP_cast5_cbc
EVP_aes_128_cbc
EVP_aes_128_ctr
EVP_aes_192_cbc
DSA_do_sign
EVP_aes_256_cbc
EVP_aes_256_ctr
EVP_CIPHER_CTX_free
BN_set_word
EVP_sha1
HMAC_CTX_new
HMAC_CTX_free
EVP_PKEY_get1_DSA
HMAC_Update
HMAC_Final
EVP_md5
EVP_sha256
EVP_sha512
EVP_ripemd160
DSA_SIG_set0
EVP_PKEY_set1_DSA
EVP_PKEY_get1_RSA
EVP_PKEY_set1_RSA
EVP_PKEY_id
EVP_get_digestbyname
EVP_CIPHER_CTX_new
EVP_DigestVerifyInit
EVP_DigestSignInit
DSA_SIG_get0
DSA_SIG_free
DSA_SIG_new
RSA_verify
RSA_sign
EVP_PKEY_keygen
RSA_get0_factors
RSA_get0_key
RSA_set0_crt_params
RSA_set0_factors
RSA_set0_key
RSA_size
RSA_new
BN_mod_exp
BN_div
BN_sub
EVP_DigestVerify
EVP_DigestSign
EVP_CipherInit
EVP_DigestFinal
EVP_DigestInit
EVP_DigestUpdate
EVP_MD_CTX_free
EVP_MD_CTX_new
EVP_Cipher
ECDSA_do_verify
ECDSA_do_sign
ECDSA_SIG_set0
ECDSA_SIG_get0
ECDSA_SIG_free
EVP_PKEY_keygen_init
EVP_PKEY_derive
ECDSA_SIG_new
ECDH_compute_key
EVP_PKEY_derive_set_peer
EVP_PKEY_derive_init
EVP_PKEY_get_raw_public_key
EC_KEY_generate_key
EC_KEY_set_public_key
EVP_PKEY_get_raw_private_key
EVP_PKEY_new_raw_public_key
EVP_PKEY_new_raw_private_key
EC_KEY_get0_public_key
EC_KEY_set_private_key
EVP_PKEY_CTX_free
EC_KEY_get0_group
EVP_PKEY_CTX_new_id
EVP_PKEY_CTX_new
EVP_PKEY_free
EVP_PKEY_new
EC_KEY_free
EC_KEY_new_by_curve_name
EC_POINT_oct2point
EC_POINT_point2oct
EC_POINT_free
EC_POINT_new
EC_GROUP_get_degree
EC_GROUP_get_curve_name
DSA_set0_key
DSA_get0_key
DSA_set0_pqg
DSA_get0_pqg
EVP_PKEY_get1_EC_KEY
DSA_free
RSA_free
EVP_PKEY_set1_EC_KEY
DSA_new
HMAC_Init_ex
DSA_do_verify
BN_bn2bin
BN_bin2bn
BN_clear_free
BN_new
BN_num_bits
BN_rand
BN_CTX_free
BN_CTX_new
BN_value_one
BIO_new_mem_buf
BIO_ctrl
BIO_free
EVP_aes_192_ctr
BIO_new_file

ws2_32

ioctlsocket
__WSAFDIsSet
WSAGetLastError
send
getsockopt
select
recv

kernel32

InitializeSListHead
DisableThreadLibraryCalls
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetSystemTimeAsFileTime
WaitNamedPipeA
CreateEventA
SleepEx
CancelIo
GetOverlappedResult
GetLastError
SetHandleInformation
WriteFile
ReadFile
CreateFileA
CreateFileMappingA
UnmapViewOfFile
MapViewOfFile
GetCurrentThreadId
CloseHandle
IsDebuggerPresent

user32

SendMessageA
FindWindowA

vcruntime140

memset
memcmp
strrchr
__C_specific_handler
strchr
memchr
__std_type_info_destroy_list
memcpy
memmove

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

fwrite
fopen
rewind
fread
feof
__stdio_common_vsprintf
fgets
fclose

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

realloc
malloc
calloc
free

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

strncmp
isspace
strcmp

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

_time64
_difftime64

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

getenv

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

strtoll
strtol

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

_seh_filter_dll
_initialize_onexit_table
_execute_onexit_table
_initterm_e
_cexit
_configure_narrow_argv
_initterm
_initialize_narrow_environment

Exports

Exports

libssh2_agent_connect
libssh2_agent_disconnect
libssh2_agent_free
libssh2_agent_get_identity
libssh2_agent_get_identity_path
libssh2_agent_init
libssh2_agent_list_identities
libssh2_agent_set_identity_path
libssh2_agent_userauth
libssh2_banner_set
libssh2_base64_decode
libssh2_channel_close
libssh2_channel_direct_tcpip_ex
libssh2_channel_eof
libssh2_channel_flush_ex
libssh2_channel_forward_accept
libssh2_channel_forward_cancel
libssh2_channel_forward_listen_ex
libssh2_channel_free
libssh2_channel_get_exit_signal
libssh2_channel_get_exit_status
libssh2_channel_handle_extended_data
libssh2_channel_handle_extended_data2
libssh2_channel_open_ex
libssh2_channel_process_startup
libssh2_channel_read_ex
libssh2_channel_receive_window_adjust
libssh2_channel_receive_window_adjust2
libssh2_channel_request_auth_agent
libssh2_channel_request_pty_ex
libssh2_channel_request_pty_size_ex
libssh2_channel_send_eof
libssh2_channel_set_blocking
libssh2_channel_setenv_ex
libssh2_channel_wait_closed
libssh2_channel_wait_eof
libssh2_channel_window_read_ex
libssh2_channel_window_write_ex
libssh2_channel_write_ex
libssh2_channel_x11_req_ex
libssh2_exit
libssh2_free
libssh2_hostkey_hash
libssh2_init
libssh2_keepalive_config
libssh2_keepalive_send
libssh2_knownhost_add
libssh2_knownhost_addc
libssh2_knownhost_check
libssh2_knownhost_checkp
libssh2_knownhost_del
libssh2_knownhost_free
libssh2_knownhost_get
libssh2_knownhost_init
libssh2_knownhost_readfile
libssh2_knownhost_readline
libssh2_knownhost_writefile
libssh2_knownhost_writeline
libssh2_poll
libssh2_poll_channel_read
libssh2_publickey_add_ex
libssh2_publickey_init
libssh2_publickey_list_fetch
libssh2_publickey_list_free
libssh2_publickey_remove_ex
libssh2_publickey_shutdown
libssh2_scp_recv
libssh2_scp_recv2
libssh2_scp_send64
libssh2_scp_send_ex
libssh2_session_abstract
libssh2_session_banner_get
libssh2_session_banner_set
libssh2_session_block_directions
libssh2_session_callback_set
libssh2_session_disconnect_ex
libssh2_session_flag
libssh2_session_free
libssh2_session_get_blocking
libssh2_session_get_timeout
libssh2_session_handshake
libssh2_session_hostkey
libssh2_session_init_ex
libssh2_session_last_errno
libssh2_session_last_error
libssh2_session_method_pref
libssh2_session_methods
libssh2_session_set_blocking
libssh2_session_set_last_error
libssh2_session_set_timeout
libssh2_session_startup
libssh2_session_supported_algs
libssh2_sftp_close_handle
libssh2_sftp_fstat_ex
libssh2_sftp_fstatvfs
libssh2_sftp_fsync
libssh2_sftp_get_channel
libssh2_sftp_init
libssh2_sftp_last_error
libssh2_sftp_mkdir_ex
libssh2_sftp_open_ex
libssh2_sftp_read
libssh2_sftp_readdir_ex
libssh2_sftp_rename_ex
libssh2_sftp_rmdir_ex
libssh2_sftp_seek
libssh2_sftp_seek64
libssh2_sftp_shutdown
libssh2_sftp_stat_ex
libssh2_sftp_statvfs
libssh2_sftp_symlink_ex
libssh2_sftp_tell
libssh2_sftp_tell64
libssh2_sftp_unlink_ex
libssh2_sftp_write
libssh2_trace
libssh2_trace_sethandler
libssh2_userauth_authenticated
libssh2_userauth_hostbased_fromfile_ex
libssh2_userauth_keyboard_interactive_ex
libssh2_userauth_list
libssh2_userauth_password_ex
libssh2_userauth_publickey
libssh2_userauth_publickey_fromfile_ex
libssh2_userauth_publickey_frommemory
libssh2_version

Sections

.text
Size: 185KB - Virtual size: 185KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 66KB - Virtual size: 65KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 680B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9705bfb891d281d3a351d73ecc6f6d39

Headers

DLL Characteristics

File Characteristics

Imports

libcrypto-1_1-x64

ws2_32

kernel32

user32

vcruntime140

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 185KB - Virtual size: 185KB

.rdata Size: 66KB - Virtual size: 65KB

.data Size: 1024B - Virtual size: 2KB

.pdata Size: 8KB - Virtual size: 7KB

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

.reloc Size: 1024B - Virtual size: 680B

.text
Size: 185KB - Virtual size: 185KB

.rdata
Size: 66KB - Virtual size: 65KB

.data
Size: 1024B - Virtual size: 2KB

.pdata
Size: 8KB - Virtual size: 7KB

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

.reloc
Size: 1024B - Virtual size: 680B