General

  • Target

    PROOF OF PAYMENT.exe

  • Size

    888KB

  • Sample

    210201-ahgebt4j9x

  • MD5

    5e5604114794f468c813d4d935a4cdbe

  • SHA1

    84c54efd50e143c3aaaa260f66ae6841246b4582

  • SHA256

    45c4c7350970052a201b3982897ff0247a9c461c60ecf52cd9fdc60aed38ffd7

  • SHA512

    4ef4173d012a7337fb95a2e3dc1e40e82ad9dd8b3778cf4c4b8f2ccb75f14f742d523e2e5add49b23bc277d5819af8f66583e37517c2c58be2695cde5afd9660

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

amechi.duckdns.org:3190

Mutex

88214ee8-a10b-488a-b7ab-62beb82df06b

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    amechi.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-11-12T19:59:26.466993536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3190

  • default_group

    BST FREEDOM COLLECT

  • 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

    88214ee8-a10b-488a-b7ab-62beb82df06b

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    amechi.duckdns.org

  • 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

      PROOF OF PAYMENT.exe

    • Size

      888KB

    • MD5

      5e5604114794f468c813d4d935a4cdbe

    • SHA1

      84c54efd50e143c3aaaa260f66ae6841246b4582

    • SHA256

      45c4c7350970052a201b3982897ff0247a9c461c60ecf52cd9fdc60aed38ffd7

    • SHA512

      4ef4173d012a7337fb95a2e3dc1e40e82ad9dd8b3778cf4c4b8f2ccb75f14f742d523e2e5add49b23bc277d5819af8f66583e37517c2c58be2695cde5afd9660

    • NanoCore

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks