General

  • Target

    39e8d4fac9f7aa4d0187d81f69b7dadebd9fe281a521ac04022d3b1b676f98a2N

  • Size

    415KB

  • Sample

    241031-n75pcawmgx

  • MD5

    181d83cedb97c2164994cf49c8560570

  • SHA1

    544b0d7faaa3b27d6f7d5e443a5e3222db99fbcd

  • SHA256

    39e8d4fac9f7aa4d0187d81f69b7dadebd9fe281a521ac04022d3b1b676f98a2

  • SHA512

    8b391984de72b94455e4037dd4f0bac38476f779678c656fd0b0c27acb81a5accc8bae46f6e045d9f4e1d575ea39a16f6eb70429704641939c3ce06717efc2cc

  • SSDEEP

    6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7c:ITNYrnE3bm/CiejewY5vX

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

[email protected]:46218

178.32.224.116:46218

Mutex

4af74541-e3f1-469c-8af7-efe4071b81cf

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    178.32.224.116

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2018-07-28T12:59:38.488799236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    46218

  • default_group

    tourex

  • 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

    4af74541-e3f1-469c-8af7-efe4071b81cf

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    [email protected]

  • primary_dns_server

  • 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

      39e8d4fac9f7aa4d0187d81f69b7dadebd9fe281a521ac04022d3b1b676f98a2N

    • Size

      415KB

    • MD5

      181d83cedb97c2164994cf49c8560570

    • SHA1

      544b0d7faaa3b27d6f7d5e443a5e3222db99fbcd

    • SHA256

      39e8d4fac9f7aa4d0187d81f69b7dadebd9fe281a521ac04022d3b1b676f98a2

    • SHA512

      8b391984de72b94455e4037dd4f0bac38476f779678c656fd0b0c27acb81a5accc8bae46f6e045d9f4e1d575ea39a16f6eb70429704641939c3ce06717efc2cc

    • SSDEEP

      6144:ITNE3ZRrnaBVlvphVxmP+6CiejgcME1cwYfU+va+RU7c:ITNYrnE3bm/CiejewY5vX

    • 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