General

  • Target
    29138cb2b30e6f05bcb0144617f9f563.exe
  • Size 418KB
  • Sample201109-kfr4yf8b1a
  • SHA256 d91e63352fd7d6d2d9f0f547cead82dff81cf5586540d65429a7b9e1fa13a15f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • jventure.duckdns.org:4098

  • drbenz.duckdns.org:4098

Mutex
  • e8322bca-f0f5-41f6-8930-9c7ab3544bce

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    drbenz.duckdns.org

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2020-03-20T15:41:56.916296036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    4098

  • 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

    e8322bca-f0f5-41f6-8930-9c7ab3544bce

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    jventure.duckdns.org

  • 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
      29138cb2b30e6f05bcb0144617f9f563.exe
    • Size 418KB
    • SHA256 d91e63352fd7d6d2d9f0f547cead82dff81cf5586540d65429a7b9e1fa13a15f
    • MD5 SHA1 SHA512
    • NanoCore

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

    • ServiceHost packer

      Detects ServiceHost packer used for .NET malware

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks