Managed XDR

svchost.exe (BlackBit, Lockbit) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
svchost.exe
Тип файла
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
Размер файла
472 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x86 en

Хеши

SHA1
4ddeb9b3fc1f6898649a4bb2b25a64e089333906
SHA256
88acae18f2cf7de7bb76784d45d9612561c8890872ea3629f0608577928745a5
MD5
88c7d4d1f0c8e8197c8353cb2c459e45

Вредоносное ПО

  • BlackBit
  • Lockbit

Сигнатуры

Execution

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

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1546 classes_autorun: Registers new extension and adds execution command

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1546 classes_autorun: Registers new extension and adds execution command
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
T1564.001 stealth_file: Creates hidden or system files
T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 system_filename: Created a file named as a common system file
T1562 firewall_disable: Disables Firewall
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_entropy: Probably contains compressed or encrypted data
T1027.004 compiles_code: Compiles C# code
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1070 stealth_window: A process created a hidden window

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 infostealer_mail: Collects personal data from local email clients
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1033 recon_beacon: The process has sent information about the computer over the network
T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1135 server_share_info: Retrieves information about each shared resource on a server

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 recon_beacon: The process has sent information about the computer over the network
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 ransomware_files: Ransomware indicators detected Lockbit (creates keys and the instruction on how to unlock the files)
T1486 mass_data_encryption: Encrypts data using the same key (possible ransomware behaviour)
T1490 wbadmin_delete_backup: Removes system backup copies using wbadmin utility
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies

Other

yara_rules: Static rules
locker_taskmgr: Disables Windows Task Manager
ransomware_shadowcopy: Removes volume shadow copies
creates_exe: Creates executable files in the file system
static_pe_anomaly: The PE file structure contains anomalies
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
critical_process: Makes the process critical to the system (the system shuts down when it's terminated)
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
dotnet_obfuscated: Dotnet program is potentially obfuscated
dns_without_resolve: DNS query without a response
suspicious_process: Spawns a suspicious process
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
access_recyclebin: Manipulation with recyclebin detected
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_use_suspicious_functions: Dotnet program potentially uses suspicious functions/modules
writes_data: Writes big amount of data to disk
open_winlogon_process: Trying to open winlogon process
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
js_suspicious: Suspicious javascript

Похожие отчёты

Managed XDR