General

  • Target

    f975dc18b3843351c4d59384d53ede6af68c25e83da40cb495cd9583afb90755

  • Size

    349KB

  • Sample

    240930-e717gsshrd

  • MD5

    8b8eae7ad113d7ab223a6da5cd36aa94

  • SHA1

    75629e504c538c5186f57e8437872cc2f1d23006

  • SHA256

    f975dc18b3843351c4d59384d53ede6af68c25e83da40cb495cd9583afb90755

  • SHA512

    d42a55dc53d65dd26aafc8d3edcd81895e8a1678dd8feb3ce45a3e3e21f6dd22d9dd9c1f362436f5634b744f51e61f0b0d6680d5cbf099c630e7dda0bf350030

  • SSDEEP

    6144:FB1QKZaOpBjQepew/PjuGyFPr527Uf2u/jGw0qun597/QKjJ8zkjDpyAYpID:FB1Q6rpr7MrswfLjGwW5xFdRyJpA

Malware Config

Extracted

Family

nanocore

Version

1.2.2.2

C2

bemery2.no-ip.biz:57628

127.0.0.1:57628

Mutex

997af15f-5576-4030-975c-eb3264fb6789

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-04-23T21:31:33.540664436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    57628

  • default_group

    grace

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+08

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+09

  • mutex

    997af15f-5576-4030-975c-eb3264fb6789

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    bemery2.no-ip.biz

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.2

  • wan_timeout

    8000

Targets

    • Target

      f975dc18b3843351c4d59384d53ede6af68c25e83da40cb495cd9583afb90755

    • Size

      349KB

    • MD5

      8b8eae7ad113d7ab223a6da5cd36aa94

    • SHA1

      75629e504c538c5186f57e8437872cc2f1d23006

    • SHA256

      f975dc18b3843351c4d59384d53ede6af68c25e83da40cb495cd9583afb90755

    • SHA512

      d42a55dc53d65dd26aafc8d3edcd81895e8a1678dd8feb3ce45a3e3e21f6dd22d9dd9c1f362436f5634b744f51e61f0b0d6680d5cbf099c630e7dda0bf350030

    • SSDEEP

      6144:FB1QKZaOpBjQepew/PjuGyFPr527Uf2u/jGw0qun597/QKjJ8zkjDpyAYpID:FB1Q6rpr7MrswfLjGwW5xFdRyJpA

    • NanoCore

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

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • 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