General

  • Target
    H2J1M7D65PAYMENTRECEIPT.vbs
  • Size 2KB
  • Sample220104-wprc1ahfgp
  • SHA256 89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://swmen.com/ven/frder.txt

Extracted

Family
  • njrat

Version
  • 1.9

Botnet
  • HacKed

Mutex
  • Microsoft.Exe

Attributes
  • reg_key

    Microsoft.Exe

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • jannewyearomo.duckdns.org:8090

Mutex
  • 362bbfaa-34cf-4e04-9ff9-2cdc1915fc38

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    jannewyearomo.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-10-16T16:37:09.129050636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8090

  • default_group

    jan new year

  • 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

    362bbfaa-34cf-4e04-9ff9-2cdc1915fc38

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    jannewyearomo.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
      H2J1M7D65PAYMENTRECEIPT.vbs
    • Size 2KB
    • SHA256 89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa
    • MD5 SHA1 SHA512
    • Detect Neshta Payload

    • Modifies system executable filetype association

    • NanoCore

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

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    • Blocklisted process makes network request

    • Modifies Windows Firewall

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks