Overview

overview

10

Static

static

10

NanoCore/N....0.zip

windows10-ltsc 2021-x64

10

Resubmissions

13/02/2025, 03:26

250213-dzgx7sslhm10

13/02/2025, 03:15

250213-dr2yeasphs10

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General

  • Target
    NanoCore.zip
  • Size 18.1MB
  • Sample250213-dzgx7sslhm
  • SHA256 fef7c5f3c06740cd4c3613a77acb03c0bfd60aaa4c27995f0ae9862c45ada8ba
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocoreadwaredefense_evasiondiscoverykeyloggerpersistenceprivilege_escalationspywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 127.0.0.1:54984

Mutex

  • 0a58aef9-430a-40b3-bc54-321556a3f865

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-02-15T14:37:43.789028636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • 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

    0a58aef9-430a-40b3-bc54-321556a3f865

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

  • 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
      NanoCore/NanoCore 1.2.2.0.zip
    • Size 6.5MB
    • SHA256 a1dee3f533679540bcaa5e4d5824aae9493d189d165d3e4643d236e6c1e0ef1a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nanocoreadwaredefense_evasiondiscoverykeyloggerpersistenceprivilege_escalationspywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Downloads MZ/PE file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks