Overview

overview

10

Static

static

3

4ff402a5d4...d6.exe

windows7-x64

7

4ff402a5d4...d6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ff402a5d41e20740c3bca70bd0cdefa0a02e3e2c59772df79d6c773ab6cd2d6.exe

  • Size

    279KB

  • Sample

    250102-hf5blsyldv

  • MD5

    55972f7d15273da7566f4f2b1a64200d

  • SHA1

    3747c59123adf4f9cb1225fb2180a77166b13437

  • SHA256

    4ff402a5d41e20740c3bca70bd0cdefa0a02e3e2c59772df79d6c773ab6cd2d6

  • SHA512

    3b3bd465d8a98205a788ec298a5a3d1c0bb3665b10200534d2e2490ac5a9d0709b0a574cc7afea4a04cbdac111f92f18f68cc0bac42381a251652acd90ced25d

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fQ:boSeGUA5YZazpXUmZhZ6o

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

      4ff402a5d41e20740c3bca70bd0cdefa0a02e3e2c59772df79d6c773ab6cd2d6.exe

    • Size

      279KB

    • MD5

      55972f7d15273da7566f4f2b1a64200d

    • SHA1

      3747c59123adf4f9cb1225fb2180a77166b13437

    • SHA256

      4ff402a5d41e20740c3bca70bd0cdefa0a02e3e2c59772df79d6c773ab6cd2d6

    • SHA512

      3b3bd465d8a98205a788ec298a5a3d1c0bb3665b10200534d2e2490ac5a9d0709b0a574cc7afea4a04cbdac111f92f18f68cc0bac42381a251652acd90ced25d

    • SSDEEP

      6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fQ:boSeGUA5YZazpXUmZhZ6o

    Score
    10/10
    discoverypersistencenanocoreevasionkeyloggerspywarestealertrojan

    • 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