General

  • Target

    2024-10-25_5f6b7ad587ec1fe9c1afdfb1bc12463a_snatch

  • Size

    2.1MB

  • Sample

    241025-an5y4sygpk

  • MD5

    5f6b7ad587ec1fe9c1afdfb1bc12463a

  • SHA1

    b53bc71f7e1bb23378c18856cc038c6522cd1441

  • SHA256

    80518576d0012cbaafa633be79c472de9fb46c0484cd238c8d8cb0d7f2dac02d

  • SHA512

    bf11b1199950cc9d3f7444e22050ab424add02b663cf7c034fb9c27ba0428ee4f4866d89081eea9103ffc9eec6ce0bb7c6a5cd926f2b9d6ed4a51288ff902b24

  • SSDEEP

    24576:dYDqXSb84KRDMNR9r0hLxAnLGzOnqNDD+tJjEYGpUU3e4q+CjL71FL38D1PKMeY8:dYJr0G2xYGpUMqv38D1rUdFmH4

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

pkaraven.ddns.net:8282

127.0.0.1:8282

Mutex

5d3aa83f-9e45-499f-aac7-e76ef2b005e8

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2024-07-30T21:10:14.350969836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8282

  • default_group

    ANNEX1

  • 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

    5d3aa83f-9e45-499f-aac7-e76ef2b005e8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    pkaraven.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

      2024-10-25_5f6b7ad587ec1fe9c1afdfb1bc12463a_snatch

    • Size

      2.1MB

    • MD5

      5f6b7ad587ec1fe9c1afdfb1bc12463a

    • SHA1

      b53bc71f7e1bb23378c18856cc038c6522cd1441

    • SHA256

      80518576d0012cbaafa633be79c472de9fb46c0484cd238c8d8cb0d7f2dac02d

    • SHA512

      bf11b1199950cc9d3f7444e22050ab424add02b663cf7c034fb9c27ba0428ee4f4866d89081eea9103ffc9eec6ce0bb7c6a5cd926f2b9d6ed4a51288ff902b24

    • SSDEEP

      24576:dYDqXSb84KRDMNR9r0hLxAnLGzOnqNDD+tJjEYGpUU3e4q+CjL71FL38D1PKMeY8:dYJr0G2xYGpUMqv38D1rUdFmH4

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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