General

  • Target

    e9f8963a6b02fa31fa95f900d0e3286703698e45ca0b2834672e83ef4a7508a4

  • Size

    1.7MB

  • Sample

    221126-h6xz8aef9z

  • MD5

    13604bddeb819738588b418340d55665

  • SHA1

    45c24e6f472e80addc04400bffd3bf3a506524b5

  • SHA256

    e9f8963a6b02fa31fa95f900d0e3286703698e45ca0b2834672e83ef4a7508a4

  • SHA512

    4888bff2b41b6d1aa3e9465c725390c92be7e1f7f32561c1123a7d281632cb8c490b1b6f1b58884d5b947f22f3fce70acafc43ab028d3aeb6b2015864ae977ae

  • SSDEEP

    24576:Atb20pkaCqT5TBWgNQ7abYDxNFIDGmB7vzCdLxlohkQa3Gp9zsWaxSY6A:JVg5tQ7aUffmB7vz4v9GDDyX5

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

dv-sec.hopper.pw:1604

Mutex

6a5643d1-e3e3-48c6-b77b-78ee226d7a65

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-11-08T18:23:39.521337636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1604

  • default_group

    Exploit

  • 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

    6a5643d1-e3e3-48c6-b77b-78ee226d7a65

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    dv-sec.hopper.pw

  • 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

    1.2.1.1

  • wan_timeout

    8000

Targets

    • Target

      e9f8963a6b02fa31fa95f900d0e3286703698e45ca0b2834672e83ef4a7508a4

    • Size

      1.7MB

    • MD5

      13604bddeb819738588b418340d55665

    • SHA1

      45c24e6f472e80addc04400bffd3bf3a506524b5

    • SHA256

      e9f8963a6b02fa31fa95f900d0e3286703698e45ca0b2834672e83ef4a7508a4

    • SHA512

      4888bff2b41b6d1aa3e9465c725390c92be7e1f7f32561c1123a7d281632cb8c490b1b6f1b58884d5b947f22f3fce70acafc43ab028d3aeb6b2015864ae977ae

    • SSDEEP

      24576:Atb20pkaCqT5TBWgNQ7abYDxNFIDGmB7vzCdLxlohkQa3Gp9zsWaxSY6A:JVg5tQ7aUffmB7vz4v9GDDyX5

    • NanoCore

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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks