Managed XDR

ast.exe — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
ast.exe
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
Размер файла
2.2 MB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
e1286b1ba980c14655b89067a1f95e18f426ee7f
SHA256
0977e7ec60b3cc7ba437048cb1cef13316d4ec6c032b8a8b809ceba1eb052853
MD5
fc4e35df6acb6b282192758fa9f282ae

Сигнатуры

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1569.002 persistence_service: Starts newly created service

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.012 injection_runpe: Injects code into another process
T1543.003 creates_service: Creates a service, that will start automatically
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1055.012 injection_runpe: Injects code into another process
T1070.004 deletes_self: Moves to different location or removes the original executable file
T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1562.004 firewall_add_rule: Modifies Firewall rules
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1027.002 nsis_archive: One of the packages is NSIS archive
T1480 system_default_lang_id_present: Checks the system language
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files
T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
T1057 process_interest: Enumerates processes
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518 recon_programs: Collects information about installed programs
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1016.001 system_network_configuration_discovery: System network configuration discovery detected
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

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

Other

executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
creates_many_processes: Spawns a lot of processes (over 70)
modifies_certs: Attempts to generate or modify system certificates
create_process_failed: Could not start the process
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process
yara_rules: Static rules