Managed XDR

4-1622796929.m134883p9...-s-564135-w-571894_2-s (NanoCore) — отчёт о динамическом анализе вредоносного файла

Информация о файле

Имя файла
4-1622796929.m134883p925881.a2plcpnl0073.prod.iad2.secureserver.net-s-564135-w-571894_2-s
Тип файла
SMTP mail, UTF-8 Unicode text
Размер файла
550.9 KB
Первое обнаружение
Последнее обнаружение

Окружение

w10/x64 en

Хеши

SHA1
c31f153d73863c123eae8ff449da7b6454d4a4a3
SHA256
a41e545a4df6e12dd449065b22f6c45ea12200a93e1d0c20b77c7ca4810412bf
MD5
ae7e7768ceed4d829e7f7dea4589cd0e

Вредоносное ПО

  • NanoCore

Сигнатуры

Execution

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

Persistence

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

Privilege Escalation

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

Defense Evasion

T1218 bypass_dev_utils: Copies and runs a .NET utility in a suspended state, potentially causing code 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
T1562 dep_disable: Disables DEP
T1036 system_filename: Created a file named as a common system file
T1036 system_procname: Created a process named as a common system process
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
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 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

Credential Access

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

Collection

T1115 checks_clipboard: Monitors clipboard data
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

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

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
ce_info: NanoCore Configuration Data found
networkdyndns_checkip: Connects to a Dynamic DNS domain
rat_nanocore: Nanocore RAT behavioral patterns detected
copies_self: Creates a copy of itself
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
dotnet_embeded_dependencies_by_costura: Dotnet program has embedded dependencies by Costura
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
dotnet_obfuscated: Dotnet program is potentially obfuscated
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
open_winlogon_process: Trying to open winlogon process
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint

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Managed XDR