General

  • Target

    FFC0D656F87A8CD4CA271E5AE5789B27DCC46BA7EA2CA.exe

  • Size

    744KB

  • Sample

    230307-k5llxagh2y

  • MD5

    e268b3e2ea0c4dbe8e3378e8c740505c

  • SHA1

    82686ab008207edb6fc2c9e5212f79e9dbffe2f0

  • SHA256

    ffc0d656f87a8cd4ca271e5ae5789b27dcc46ba7ea2cacbf5b68b055c0b51ca7

  • SHA512

    03ec23d45470497e9afa83f5e6ea1365315dfe7bf4710821cb2de8889f64f4d0920bced62a2b309dc505281247d935e59123f5cac7a7fe5ef61cb83388075b89

  • SSDEEP

    12288:MM6xLEOj+xK2kMMUVxoaD86f51vi6I5Vjv8T7GdalA4+Xraw+K+y:Mdn+xK2UUYyj8sT7GkqrL+Xy

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

podzeye.duckdns.org:333

Mutex

f5a68195-4eaf-46b6-9e81-822beb669637

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-02-09T22:47:39.789872836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    333

  • default_group

    Hacks

  • 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

    f5a68195-4eaf-46b6-9e81-822beb669637

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    podzeye.duckdns.org

  • primary_dns_server

    8.8.8.8

  • 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

      FFC0D656F87A8CD4CA271E5AE5789B27DCC46BA7EA2CA.exe

    • Size

      744KB

    • MD5

      e268b3e2ea0c4dbe8e3378e8c740505c

    • SHA1

      82686ab008207edb6fc2c9e5212f79e9dbffe2f0

    • SHA256

      ffc0d656f87a8cd4ca271e5ae5789b27dcc46ba7ea2cacbf5b68b055c0b51ca7

    • SHA512

      03ec23d45470497e9afa83f5e6ea1365315dfe7bf4710821cb2de8889f64f4d0920bced62a2b309dc505281247d935e59123f5cac7a7fe5ef61cb83388075b89

    • SSDEEP

      12288:MM6xLEOj+xK2kMMUVxoaD86f51vi6I5Vjv8T7GdalA4+Xraw+K+y:Mdn+xK2UUYyj8sT7GkqrL+Xy

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks