Overview

overview

10

Static

static

10

Downloads.rar

windows10-ltsc 2021-x64

8

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Downloads.rar

  • Size

    1.4MB

  • Sample

    250115-bffjxsvqbz

  • MD5

    409440a4b2af03da8fd3f9e9e283fe78

  • SHA1

    e5a5e98b5ce96092788e6e104beb70a5bfaa8570

  • SHA256

    4dbb9d2f9bc24768db489de3bc13fad58cafd938e4b0c7664187c3dbbce7bcc7

  • SHA512

    ebad1722fa8dca2016f597664b0705134ea7592cb79f840f5b1c169f70a9a759199f8797624c3183b0c8c01af98585a4f439985ae5039dc80259d222b16a420f

  • SSDEEP

    24576:/cMlNPyEPPYT3nKMd9GOWh2XQ5pU185vkO0auLj/13yqWV74SBcjbxufdKs1juwV:NUEH46YsRh2A5pE8J4jlih+xu9k4S8fz

Score
10/10
nanocoreagilenetdiscoverypersistence

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

127.0.0.1:54984

Mutex

22faf9f6-da53-4d7e-955a-ff115234d347

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-10-18T02:12:14.481920736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • 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

    22faf9f6-da53-4d7e-955a-ff115234d347

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

  • 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

      Downloads.rar

    • Size

      1.4MB

    • MD5

      409440a4b2af03da8fd3f9e9e283fe78

    • SHA1

      e5a5e98b5ce96092788e6e104beb70a5bfaa8570

    • SHA256

      4dbb9d2f9bc24768db489de3bc13fad58cafd938e4b0c7664187c3dbbce7bcc7

    • SHA512

      ebad1722fa8dca2016f597664b0705134ea7592cb79f840f5b1c169f70a9a759199f8797624c3183b0c8c01af98585a4f439985ae5039dc80259d222b16a420f

    • SSDEEP

      24576:/cMlNPyEPPYT3nKMd9GOWh2XQ5pU185vkO0auLj/13yqWV74SBcjbxufdKs1juwV:NUEH46YsRh2A5pE8J4jlih+xu9k4S8fz

    Score
    8/10
    discoverypersistence

    • Downloads MZ/PE file

    • 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 installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks