General

  • Target

    cd590376deccc27f22c7d9a573bcc470a5b7e6242725df7be5cfaafc454f6bdc

  • Size

    1.2MB

  • Sample

    220521-bnwk4sfbhj

  • MD5

    0dbdab632dbb8f63948ca904f59a695e

  • SHA1

    637421300e116d09260f0e8d42cb0c5de0563784

  • SHA256

    cd590376deccc27f22c7d9a573bcc470a5b7e6242725df7be5cfaafc454f6bdc

  • SHA512

    0209b6d7b752155784793bd13018f2158f6e9d359b9fdc879f5dce656aba92a1c493e2a1ef3d59895b7eae20d145852ad282ae4e4da6ebd11d16fc53e70f861b

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.7:21600

127.0.0.1:21600

Mutex

e5b96bc8-7801-4aaf-bd22-9b94311755e4

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-05-22T19:43:27.532173036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    21600

  • default_group

    Default

  • 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

    e5b96bc8-7801-4aaf-bd22-9b94311755e4

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.5.97.7

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • 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

      AQA4DSBD.EXE

    • Size

      528KB

    • MD5

      02ec1301ededa1469edb45fe3804dc07

    • SHA1

      5334c89b9c340c389f5c2a9d919a84a121c650bf

    • SHA256

      77bb6489c1fd6c87f2ba80955211d0eef9be425d4e6076bd7280c6f87f9f3300

    • SHA512

      b85e072912af1bcc97011901c68ce8c1e1cbb9a214fda396fac60f41cbbb21c1eda76378e5ea936754ae745cd666c6248c5e1e4d76dcda20e605b7ba1dce1bd4

    • NanoCore

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

    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks