Managed XDR

c-windows-yzb4a30.exe (DCRat) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
c-windows-yzb4a30.exe
Тип файла
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Размер файла
885 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
bce600fbd8510c93c953b0f2399caaad6ab7676e
SHA256
6324717494297408b104b8f246832d6899ef16bdab7f15144f839d95f18ec30a
MD5
9da93113546499815b6beba02222e220

Вредоносное ПО

  • DCRat

Сигнатуры

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
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
T1070 stealth_window: A process created a hidden window
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

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

Discovery

T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
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 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1105 cmdline_curl: Uses curl utility for network data transferring

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
suspicious_process: Spawns a suspicious process
dead_dotnet_downloader_404: Dotnet downloader attempts to connect to a dead host
created_exe_is_similar_to_system_one: Created exe is similar to system one
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
open_winlogon_process: Trying to open winlogon process
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint

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Managed XDR