Overview

overview

10

Static

static

3

ac8bf95909...c7.exe

windows7-x64

10

ac8bf95909...c7.exe

windows10-2004-x64

10

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General

  • Target

    ac8bf95909b7774dc6cdd3d607b873db7ab5b538f1dd87ddec06c6c907817cc7

  • Size

    279KB

  • Sample

    250107-hbrjysymdw

  • MD5

    16e89ca34b3276062447a0df2d484661

  • SHA1

    a14c2505b02faab051881887911f9fa6a5430d40

  • SHA256

    ac8bf95909b7774dc6cdd3d607b873db7ab5b538f1dd87ddec06c6c907817cc7

  • SHA512

    dc80a613e0fc0aba3c4217190dc7f624ccad684dc3b977b1cffa1d944e24c49297511d8aa66c7b4d3ec3b6aef6ff1fefa2db2e4999af5374123dc3e921d99543

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fa:boSeGUA5YZazpXUmZhZ6C

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

      ac8bf95909b7774dc6cdd3d607b873db7ab5b538f1dd87ddec06c6c907817cc7

    • Size

      279KB

    • MD5

      16e89ca34b3276062447a0df2d484661

    • SHA1

      a14c2505b02faab051881887911f9fa6a5430d40

    • SHA256

      ac8bf95909b7774dc6cdd3d607b873db7ab5b538f1dd87ddec06c6c907817cc7

    • SHA512

      dc80a613e0fc0aba3c4217190dc7f624ccad684dc3b977b1cffa1d944e24c49297511d8aa66c7b4d3ec3b6aef6ff1fefa2db2e4999af5374123dc3e921d99543

    • SSDEEP

      6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fa:boSeGUA5YZazpXUmZhZ6C

    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