Overview

overview

10

Static

static

4dd1297fee...be.exe

windows7_x64

10

4dd1297fee...be.exe

windows10_x64

10

Sharing

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General

  • Target
    4dd1297feef3c53b00e6e92d357408be
  • Size 658KB
  • Sample201117-2tvllyfv6x
  • SHA256 332daf2bc522ff8e77702d38ca104c70a11e24b6cde0440f69a42869a35bf271
  • MD5 SHA1 SHA512
Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 23.105.131.177:4040

  • 127.0.0.1:4040

Mutex

  • c970bff9-b124-416c-a2c4-211bbeee3414

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-08-22T06:01:16.787464036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4040

  • default_group

    kingnone

  • 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

    c970bff9-b124-416c-a2c4-211bbeee3414

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    23.105.131.177

  • 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

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target
      4dd1297feef3c53b00e6e92d357408be
    • Size 658KB
    • SHA256 332daf2bc522ff8e77702d38ca104c70a11e24b6cde0440f69a42869a35bf271
    • MD5 SHA1 SHA512
    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks