General

  • Target

    d1f61fb93bbd9102d61320fab4dddd67b461590c7aee59fa5e9c98f4a79dff65

  • Size

    724KB

  • Sample

    221126-f69ynsee33

  • MD5

    6c860e2f2b551af67d0a230c89135499

  • SHA1

    ed84dffb35cac8c3d646d7564fd7b30ffbfaa5bf

  • SHA256

    d1f61fb93bbd9102d61320fab4dddd67b461590c7aee59fa5e9c98f4a79dff65

  • SHA512

    35340e82981d257a6a0a28f104db0004cb782aa9bf2c337bf289357db288b55a2d24048ccd37c10ef9acdc724a6c16d64f626a8125f78b591999b3bd8cc16b53

  • SSDEEP

    12288:b5xY7DvSsV2Wrk9H/EWOWHjCWQnR7BaNNqHtsxKm5gtxTqhZfov5YQSVnbm:txIDxHrOROWDUnR7BaNNqNGKx+h2WQy6

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

nanso.no-ip.biz:9034

Mutex

9239647b-f801-4a05-b9bc-08579591d6a9

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    nanso.no-ip.biz

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-09-16T10:23:19.558684536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9034

  • default_group

    HELLBOY

  • 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

    9239647b-f801-4a05-b9bc-08579591d6a9

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    nanso.no-ip.biz

  • primary_dns_server

  • 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

    1.2.1.1

  • wan_timeout

    8000

Targets

    • Target

      IMG_0343.exe

    • Size

      897KB

    • MD5

      3583828f023b5d868e1dd45999298dac

    • SHA1

      678240a7b63e00ebe529e259cb27b0c1c4d11920

    • SHA256

      64c23669624a5c0389ebe5c5bfe28cba1cb44b54d0d9b7691d1ed86861f46ce3

    • SHA512

      c733e3fb96b1bce7b4124b45d6e33571e689e0a57f2beb4cfffe58ae12cc6da2ad151ad27f5ef3c632f2d0f52ad4c1d99a55554715c9a19a6771f0a77f2f0480

    • SSDEEP

      24576:z2O/GlWcZ3p/wTO416nRPVaVF4XctsehA4h:o3G6tA4DehLh

    • Modifies visiblity of hidden/system files in Explorer

    • 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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks