General

  • Target

    3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322.exe

  • Size

    1.4MB

  • Sample

    241124-anfdfszrfp

  • MD5

    c573d8c93af3e0867a7f8365e8d56882

  • SHA1

    d9228e8d9da76a70caa9d879dbe42d35796473af

  • SHA256

    3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322

  • SHA512

    51b406a946a06dd0474728e89473a76db4951e402f97081505ab6f94e92ff2e534f8057a248a4a92d4acab99d5ea33b89d03fab073ef736a9b8616f0cb52c159

  • SSDEEP

    24576:rAOcZEhNWxlG7m4/9eBcA4CCEti0POqh/0rEOTq6ai0bagi7xa5S:tyxlk9eBVlCGVPOwOTq6d4a5w8

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newme122.3utilities.com:8822

newme1122.3utilities.com:8822

Mutex

dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    newme1122.3utilities.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-31T13:00:17.372768836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8822

  • default_group

    A New TIme Has Come

  • 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

    dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    newme122.3utilities.com

  • 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

      3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322.exe

    • Size

      1.4MB

    • MD5

      c573d8c93af3e0867a7f8365e8d56882

    • SHA1

      d9228e8d9da76a70caa9d879dbe42d35796473af

    • SHA256

      3035705002f46bc1ca67407006490b442059ea822d60c68b801b27c332638322

    • SHA512

      51b406a946a06dd0474728e89473a76db4951e402f97081505ab6f94e92ff2e534f8057a248a4a92d4acab99d5ea33b89d03fab073ef736a9b8616f0cb52c159

    • SSDEEP

      24576:rAOcZEhNWxlG7m4/9eBcA4CCEti0POqh/0rEOTq6ai0bagi7xa5S:tyxlk9eBVlCGVPOwOTq6d4a5w8

    • NanoCore

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

    • Nanocore family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks