Managed XDR

svchost.exe (BlackBit) — 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
466 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
6e2dc76a6026d4f2194c7b2149f6633646684e69
SHA256
55da12a82c8e0b9fda5dbba6612627c0ee5d13d55e3bcc1df2ca9785c97caf64
MD5
12c3254f0e01f3596dda380718394fb1

Вредоносное ПО

  • BlackBit

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

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 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

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 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
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1564.001 stealth_file: Creates hidden or system files
T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.004 compiles_code: Compiles C# code
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1562 firewall_disable: Disables Firewall
T1036 system_filename: Created a file named as a common system file
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
T1055 injection_failed: The attempt to inject into a process has failed
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1070 stealth_window: A process created a hidden window

Credential Access

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1518 locates_browser: Attempts to identify where browsers are installed
T1135 server_share_info: Retrieves information about each shared resource on a server
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

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

Impact

T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
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
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
dotnet_obfuscated: Dotnet program is potentially obfuscated
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
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
open_winlogon_process: Trying to open winlogon process
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
js_suspicious: Suspicious javascript

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Managed XDR