General

  • Target
    inquiry.exe
  • Size 1.0MB
  • Sample200831-754eft1gxs
  • SHA256 fddbfcd2f4497ffd75f9f1be1619ba4cf5a5ca99df6eb888216e2e0f2bec7990
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • 185.140.53.178:1985

Mutex
  • 653b6623-61f4-4655-a6b3-c3da7a5b4513

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-06-01T00:57:22.057118636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1985

  • default_group

    ebuk nano

  • 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

    653b6623-61f4-4655-a6b3-c3da7a5b4513

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.140.53.178

  • primary_dns_server

    8.8.8.8

  • 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

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target
      inquiry.exe
    • Size 1.0MB
    • SHA256 fddbfcd2f4497ffd75f9f1be1619ba4cf5a5ca99df6eb888216e2e0f2bec7990
    • MD5 SHA1 SHA512
    • NanoCore

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks