Overview

overview

10

Static

static

d703b3cc46...9e.exe

windows7_x64

10

d703b3cc46...9e.exe

windows10_x64

10

Sharing

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General

  • Target
    d703b3cc46820009bb6c4ab14666ea9e.exe
  • Size 1.1MB
  • Sample210823-b6sbdn3c4e
  • SHA256 f089621fa865a1406a660945a8376953b51dee4e39b1d7cde0ca17b27a0ac7eb
  • MD5 SHA1 SHA512
Score
10/10
nanocoreagilenetevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • rebornx.duckdns.org:7744

Mutex

  • 77e2bfe5-f7e0-4fab-a9ff-9902b347ae92

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    rebornx.duckdns.org

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2021-02-14T00:06:22.574821336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    7744

  • default_group

    REBORN

  • 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

    77e2bfe5-f7e0-4fab-a9ff-9902b347ae92

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    rebornx.duckdns.org

  • primary_dns_server

  • 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
      d703b3cc46820009bb6c4ab14666ea9e.exe
    • Size 1.1MB
    • SHA256 f089621fa865a1406a660945a8376953b51dee4e39b1d7cde0ca17b27a0ac7eb
    • MD5 SHA1 SHA512
    Score
    10/10
    nanocoreagilenetevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks