Overview

overview

10

Static

static

3

e4ca5cad2c...f6.exe

windows7-x64

10

e4ca5cad2c...f6.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    e4ca5cad2cf43fb9260709dc99dfc8f9e4d81e3dd42c9464b897a6f58a809ef6
  • Size 349KB
  • Sample240928-dldnmatemk
  • SHA256 e4ca5cad2cf43fb9260709dc99dfc8f9e4d81e3dd42c9464b897a6f58a809ef6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.2

C2

  • bemery2.no-ip.biz:57628

  • 127.0.0.1:57628

Mutex

  • 997af15f-5576-4030-975c-eb3264fb6789

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2015-04-23T21:31:33.540664436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    57628

  • default_group

    grace

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+08

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+09

  • mutex

    997af15f-5576-4030-975c-eb3264fb6789

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    bemery2.no-ip.biz

  • 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

    1.2.2.2

  • wan_timeout

    8000

Targets

    • Target
      e4ca5cad2cf43fb9260709dc99dfc8f9e4d81e3dd42c9464b897a6f58a809ef6
    • Size 349KB
    • SHA256 e4ca5cad2cf43fb9260709dc99dfc8f9e4d81e3dd42c9464b897a6f58a809ef6
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks