Overview

overview

10

Static

static

Y81N365C4_...PT.vbs

windows7_x64

10

Y81N365C4_...PT.vbs

windows10_x64

10

Sharing

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General

  • Target
    Y81N365C4_PAYMENT_RECEIPT.vbs
  • Size 2KB
  • Sample220105-j9ll2aadfj
  • SHA256 de10822bc600d320a74d91bbd368bafc1a53b33dc80221fe0a679ae751d5f7e5
  • MD5 SHA1 SHA512
Score
10/10
nanocoreneshtanjrathackedevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://transfer.sh/get/oyVYmO/HHHHHHHHHHHHHHHH.txt

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

Extracted

Family

  • njrat

Version

  • 1.9

Botnet

  • HacKed

Mutex

  • Microsoft.Exe

Attributes
  • reg_key

    Microsoft.Exe

Targets

    • Target
      Y81N365C4_PAYMENT_RECEIPT.vbs
    • Size 2KB
    • SHA256 de10822bc600d320a74d91bbd368bafc1a53b33dc80221fe0a679ae751d5f7e5
    • MD5 SHA1 SHA512
    Score
    10/10
    nanocoreneshtanjrathackedevasionkeyloggerpersistencespywarestealertrojan

    • Detect Neshta Payload

    • Modifies system executable filetype association

      persistence

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Neshta

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

      persistencespywareneshta

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Blocklisted process makes network request

    • Modifies Windows Firewall

      evasion

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks