General

  • Target

    67067b34d97401bc13ef0e10cdf23d68_JaffaCakes118

  • Size

    584KB

  • Sample

    240723-lg25eszbpl

  • MD5

    67067b34d97401bc13ef0e10cdf23d68

  • SHA1

    2a21fdfea636dcaca27561997d216790df137687

  • SHA256

    8a133e2bcad2160bb5e09cb6002493f4a7cd4825e09f8f2db2eaddafe284a12f

  • SHA512

    876780b18f1871cf23cc6abb3d5676948e2c35fbed1a0967617ea88e1c34e02f0ac84e916ded7cfa10abaf37539c36a9a28f704dd85609c5a5f0f5317642cf1e

  • SSDEEP

    12288:01jYT43sVRFBywLxtRr22GD49RpfJlS4yPg9WGVJ9zT:01jjsjyU7rGD4JJlSno9WGZzT

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

deedee111.ddns.net:1990

127.0.0.1:1990

Mutex

912c7b4c-420a-467d-9b7a-aaf0c7895a29

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2021-07-13T04:41:15.726451536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1990

  • default_group

    deedee1

  • 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

    912c7b4c-420a-467d-9b7a-aaf0c7895a29

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    deedee111.ddns.net

  • primary_dns_server

    37.235.1.174

  • 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

      67067b34d97401bc13ef0e10cdf23d68_JaffaCakes118

    • Size

      584KB

    • MD5

      67067b34d97401bc13ef0e10cdf23d68

    • SHA1

      2a21fdfea636dcaca27561997d216790df137687

    • SHA256

      8a133e2bcad2160bb5e09cb6002493f4a7cd4825e09f8f2db2eaddafe284a12f

    • SHA512

      876780b18f1871cf23cc6abb3d5676948e2c35fbed1a0967617ea88e1c34e02f0ac84e916ded7cfa10abaf37539c36a9a28f704dd85609c5a5f0f5317642cf1e

    • SSDEEP

      12288:01jYT43sVRFBywLxtRr22GD49RpfJlS4yPg9WGVJ9zT:01jjsjyU7rGD4JJlSno9WGZzT

    • NanoCore

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks