General

  • Target
    shipping order#.scr
  • Size 2.7MB
  • Sample210108-2c6d1ngb16
  • SHA256 b657538bf8bc1aca7ca8e7e02f1c5a39cbc8bc343bf7c5ebfe026f6dcc02fe32
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • 1.ispnano.dns-cloud.net:10004

Mutex
  • db5d3893-53a7-40c5-9e07-c472ba23289f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    1.ispnano.dns-cloud.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-10-19T23:27:30.974613536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    10004

  • 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

    db5d3893-53a7-40c5-9e07-c472ba23289f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    1.ispnano.dns-cloud.net

  • 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
      shipping order#.scr
    • Size 2.7MB
    • SHA256 b657538bf8bc1aca7ca8e7e02f1c5a39cbc8bc343bf7c5ebfe026f6dcc02fe32
    • MD5 SHA1 SHA512
    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • NanoCore

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

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks