Managed XDR

wextract.exe-.mui — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
wextract.exe-.mui
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
5 MB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
2fb1a37ddede49ff8717787d60943f85c3f67cd8
SHA256
0f544dc08c9f1981705b7ac7ef318f194e5a2514198554d17cc358ecfe2e87ad
MD5
94580790a2f2a9eb5141adddd51278a0

Сигнатуры

Resource Development

T1585.001 social_instagram: Connects to Instagram domains (potentially for information gathering)
T1586.001 social_instagram: Connects to Instagram domains (potentially for information gathering)
T1608.005 contacts_url_shortener: Connects to url shortening services
T1585.001 social_facebook: Connects to Facebook domains (potentially for information gathering)
T1585.001 social_twitter: Connects to Twitter domains (potentially for information gathering)
T1586.001 social_facebook: Connects to Facebook domains (potentially for information gathering)
T1586.001 social_twitter: Connects to Twitter domains (potentially for information gathering)
T1585.001 social_linkedin: Connects to LinkedIn domains (potentially for information gathering)
T1586.001 social_linkedin: Connects to LinkedIn domains (potentially for information gathering)

Execution

T1059 autoit: AutoIt script execution detected
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1562.001 disables_security: Disables Windows Security options
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1562.001 disables_windowsupdate: Disables Windows Auto Updates
T1112 wu_server: Sets or changes an update server used by Windows Update
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_enigma: Enigma protector indicators detected
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1082 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1082 has_wmi: Executes one or several WMI requests
T1057 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Impact

T1489 stops_service: Stops Windows services
T1486 modifies_files2: Cryptolocker indicators detected (50 or more files are modified)
T1489 change_service_config: Stops services via ChangeServiceConfig
T1489 service_control_stop: Stops services via ControlService

Other

creates_many_processes: Spawns a lot of processes (over 70)
yara_rules: Static rules
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
message_box: Displays a message
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
open_winlogon_process: Trying to open winlogon process
executes_dropped_exe: Executes dropped exe files