Overview

overview

10

Static

static

3

_c43025684...f3.exe

windows10-2004-x64

10

_c43025684...f3.exe

windows11-21h2-x64

10

Resubmissions

04/12/2025, 11:23

251204-nhlj6sgk7x10

03/12/2025, 01:26

251203-btqxta1jcs10

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General

  • Target
    _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe
  • Size 795KB
  • Sample251203-btqxta1jcs
  • SHA256 c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocorediscoveryexecutionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 192.227.217.229:7229

  • fexgmail.zapto.org:7229

Mutex

  • 86c0a97b-ad38-42e3-8308-eb6d7961b2a2

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fexgmail.zapto.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2025-09-12T00:59:11.355017936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    7229

  • default_group

    VGC

  • 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

    86c0a97b-ad38-42e3-8308-eb6d7961b2a2

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    192.227.217.229

  • primary_dns_server

    8.8.8.8

  • 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
      _c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3.exe
    • Size 795KB
    • SHA256 c430256840a5795787ab14b715a12c2ae98276425d418040c178d85c988de1f3
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    discoveryexecutionnanocorekeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks