General

  • Target

    MRC20201030XMY, pdf.exe

  • Size

    680KB

  • Sample

    210129-sx85aqrgke

  • MD5

    745a0884f13a2c9fac2d787e7454160f

  • SHA1

    ed1c474eb18b804a4b3270ce6ea4a7f8c6d27291

  • SHA256

    274e4f123b2129e9e8d7f6eb638e3dc5fddf524781b1a7b2819b7cc6c8ca2a89

  • SHA512

    ac010dd0512e112b7556541d555cb25d126c87017f0d4f1c01ccab52446693a30f6a5593ba1bce0545e89fc3ba179ce3b28327f5b931ac98d5b5dae867ed8e58

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

graceland777.ddns.net:7771

Mutex

88abe1b7-73a7-478a-80b3-05251cbe93c2

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-10T18:05:18.611593036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    7771

  • 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

    88abe1b7-73a7-478a-80b3-05251cbe93c2

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    graceland777.ddns.net

  • 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

      MRC20201030XMY, pdf.exe

    • Size

      680KB

    • MD5

      745a0884f13a2c9fac2d787e7454160f

    • SHA1

      ed1c474eb18b804a4b3270ce6ea4a7f8c6d27291

    • SHA256

      274e4f123b2129e9e8d7f6eb638e3dc5fddf524781b1a7b2819b7cc6c8ca2a89

    • SHA512

      ac010dd0512e112b7556541d555cb25d126c87017f0d4f1c01ccab52446693a30f6a5593ba1bce0545e89fc3ba179ce3b28327f5b931ac98d5b5dae867ed8e58

MITRE ATT&CK Matrix

Tasks