Overview

overview

10

Static

static

588B250870...22.exe

windows7_x64

10

588B250870...22.exe

windows10_x64

10

Sharing

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General

  • Target
    588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe
  • Size 1.2MB
  • Sample210805-2dvx3bm2wn
  • SHA256 588b25087097e7c8aa47d12876af1c3fa939a34fdfd22b26884eb60ff9f7371a
  • MD5 SHA1 SHA512
Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealersuricatatrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • bproduction.zapto.org:60612

  • bproduction.duckdns.org:60612

Mutex

  • 7b075e51-ad8c-4c5b-9042-029ae7a4d1b5

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    bproduction.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2017-07-10T13:38:34.956857336Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    60612

  • default_group

    WAWA

  • 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

    7b075e51-ad8c-4c5b-9042-029ae7a4d1b5

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    bproduction.zapto.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
      588B25087097E7C8AA47D12876AF1C3FA939A34FDFD22.exe
    • Size 1.2MB
    • SHA256 588b25087097e7c8aa47d12876af1c3fa939a34fdfd22b26884eb60ff9f7371a
    • MD5 SHA1 SHA512
    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealersuricatatrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • suricata: ET MALWARE Possible NanoCore C2 60B

      suricata: ET MALWARE Possible NanoCore C2 60B

      suricata

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks