Managed XDR

dcratbuild.exe (DCRat) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
dcratbuild.exe
Тип файла
PE32 executable (GUI) Intel 80386, for MS Windows
Размер файла
625.3 KB
Первое обнаружение
Последнее обнаружение

Окружение

win7/x86 en

Хеши

SHA1
4782c96af65f89823e93c8cfec9f309cc82a876d
SHA256
7fead3e6aa11f2eb64e9a32138b3824c6b499f5f2bfc86a5cc7afa9f70323d9b
MD5
e56e1ca05fd8e643bea36b51db14f093

Вредоносное ПО

  • DCRat

Сигнатуры

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.003 suspicious_process: Spawns a suspicious process
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.005 obfuscated_vbe: Detected obfuscated VBE script
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1559.001 com_exec: Execution of Win32_Process.Create COM Method

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 obfuscated_vbe: Detected obfuscated VBE script
T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1036 system_filename: Created a file named as a common system file
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

Discovery

T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
locker_taskmgr: Disables Windows Task Manager
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
suspicious_process_network: Unusual process network activity detected
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
add_base64_to_registry: Writes Base64 encoded data to registry
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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