Managed XDR

vtdl_1782539088_jyyxi_we (XWorm) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
vtdl_1782539088_jyyxi_we
Тип файла
SMTP mail, UTF-8 Unicode text, with CRLF line terminators
Размер файла
1 MB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
4be0a5c74beb7f5194792b9c97947e2e5509a733
SHA256
161dda2db4f0717839fb657e75e6945fc92395d38a19026a685bb5f840acfdad
MD5
02137d6e329bbdaff73f2779d2391678

Вредоносное ПО

  • XWorm

Сигнатуры

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1059.001 suspicious_powershell: Creates suspicious PowerShell process
T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.001 suspicious_process: Spawns a suspicious process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

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

Privilege Escalation

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another 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
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Defense Evasion

T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1036 mimics_extension: Attempts to mimic the file extension
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
T1070 stealth_window: A process created a hidden window
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Credential Access

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

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1135 server_share_info: Retrieves information about each shared resource on a server

Command and Control

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

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
ce_info: XWorm Configuration Data found
creates_exe: Creates executable files in the file system
network_bind: Starts servers listening at None
dead_host: Connects to IP addresses that do not respond to requests
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
break_limit_exceeded: Warning: function calls limit has been exceeded
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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