Overview

overview

10

Static

static

3

1bd1b90bfa...4N.exe

windows7-x64

10

1bd1b90bfa...4N.exe

windows10-2004-x64

10

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General

  • Target

    1bd1b90bfa19d14231f7745917fa206bc8bba05b5f1c347239a0d31ea2e60cc4N.exe

  • Size

    279KB

  • Sample

    241218-bq5lssxqcm

  • MD5

    66f4208642b00ab4d9733eed4e2ef4e0

  • SHA1

    ebcd49f171c2b9228c14033e9c82be2f6bb7297f

  • SHA256

    1bd1b90bfa19d14231f7745917fa206bc8bba05b5f1c347239a0d31ea2e60cc4

  • SHA512

    c7953263146649522cffaf6bb99b8bbe42e7431246c86ae2bef71a4384e32d8c3217eaa0350bbbc30d00046940909bf0cce16dd6d65e9689055720b028a97243

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fO:boSeGUA5YZazpXUmZhZ62

Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2020-04-24T17:41:53.492468936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    45400

  • 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

    ae82ab7f-db07-49ee-9d2b-76075d76f37f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    sysupdate24.ddns.net

  • primary_dns_server

  • 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

      1bd1b90bfa19d14231f7745917fa206bc8bba05b5f1c347239a0d31ea2e60cc4N.exe

    • Size

      279KB

    • MD5

      66f4208642b00ab4d9733eed4e2ef4e0

    • SHA1

      ebcd49f171c2b9228c14033e9c82be2f6bb7297f

    • SHA256

      1bd1b90bfa19d14231f7745917fa206bc8bba05b5f1c347239a0d31ea2e60cc4

    • SHA512

      c7953263146649522cffaf6bb99b8bbe42e7431246c86ae2bef71a4384e32d8c3217eaa0350bbbc30d00046940909bf0cce16dd6d65e9689055720b028a97243

    • SSDEEP

      6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fO:boSeGUA5YZazpXUmZhZ62

    Score
    10/10
    nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • Checks computer location settings

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

    • 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 v15

Tasks