General

  • Target
    filename.exe
  • Size 687KB
  • Sample240229-wn9sysgd6w
  • SHA256 635f24de6d64ad1659ea5dc1007fc6e7812ca4e8a94efee0d01f1db3f3c3f1b8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • onpcsetup.duckdns.org:4040

Mutex
  • 203f8bd6-6a6c-4f76-8c56-5af6d45c5fa2

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    onpcsetup.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-04-28T14:13:42.312808736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4040

  • default_group

    USA

  • 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

    203f8bd6-6a6c-4f76-8c56-5af6d45c5fa2

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    onpcsetup.duckdns.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target
      filename.exe
    • Size 687KB
    • SHA256 635f24de6d64ad1659ea5dc1007fc6e7812ca4e8a94efee0d01f1db3f3c3f1b8
    • MD5 SHA1 SHA512 SSDEEP
    • NanoCore

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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks