General

  • Target
    bc2c2fce9b6d912c3eb394eba723c0f4c9a03ec70f6978d78cfe8e8269b20af3
  • Size 655KB
  • Sample240820-e86hlaxejl
  • SHA256 bc2c2fce9b6d912c3eb394eba723c0f4c9a03ec70f6978d78cfe8e8269b20af3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • percolysrl2.ddns.net:50720

  • 94.156.68.149:50720

Mutex
  • 8db2e04d-fea6-4ac1-bc82-47d992a4c6e5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    94.156.68.149

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-05-28T11:54:58.690784636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    50720

  • default_group

    PUNK

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    8db2e04d-fea6-4ac1-bc82-47d992a4c6e5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    percolysrl2.ddns.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5009

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    5008

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target
      image.exe
    • Size 779KB
    • SHA256 41e0b1de55bbfe30925144c498ee806aeb17422f4a1b867e1bf5f0c3685e892c
    • MD5 SHA1 SHA512 SSDEEP
    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks