General

  • Target

    d0a3849c7a4890ded6900d324d4a34a5b4641d3cf733552545fe39641921a006

  • Size

    534KB

  • Sample

    221127-xkc59aah89

  • MD5

    590c398aabbea92dc9870d0dc70e764d

  • SHA1

    eaad1d467902fb19cd95d2df99264c46af7f36da

  • SHA256

    d0a3849c7a4890ded6900d324d4a34a5b4641d3cf733552545fe39641921a006

  • SHA512

    96466b62178f6dfc05a980d7653cff3b001305a023f6003c2d46934f55b2b7485113075a6e5ada0e51326ac404b997aa9b61f7f4a1174c3ded892825a20f99aa

  • SSDEEP

    12288:jK/9QZKgmPnMlD2+SEYpnLfheZuHpnzAe5PAJSIY+67y/L:yQZfD2TEYpL3pzAe5PAJSIY+6m/L

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fungame.duckdns.org:55076

fungame2.mooo.com:55076

Mutex

efa97267-0a04-4e7f-a5d6-7b0bc8e40615

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fungame2.mooo.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-01-28T20:33:03.264473136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    55076

  • default_group

    Default

  • 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

    efa97267-0a04-4e7f-a5d6-7b0bc8e40615

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    fungame.duckdns.org

  • 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

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      d0a3849c7a4890ded6900d324d4a34a5b4641d3cf733552545fe39641921a006

    • Size

      534KB

    • MD5

      590c398aabbea92dc9870d0dc70e764d

    • SHA1

      eaad1d467902fb19cd95d2df99264c46af7f36da

    • SHA256

      d0a3849c7a4890ded6900d324d4a34a5b4641d3cf733552545fe39641921a006

    • SHA512

      96466b62178f6dfc05a980d7653cff3b001305a023f6003c2d46934f55b2b7485113075a6e5ada0e51326ac404b997aa9b61f7f4a1174c3ded892825a20f99aa

    • SSDEEP

      12288:jK/9QZKgmPnMlD2+SEYpnLfheZuHpnzAe5PAJSIY+67y/L:yQZfD2TEYpL3pzAe5PAJSIY+6m/L

    • NanoCore

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks