Overview

overview

10

Static

static

10

fb88.exe

windows10-2004-x64

10

fb88.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    fb88.exe
  • Size 202KB
  • Sample260620-g2rf7sez2z
  • SHA256 d0db30fbdc095d29015d59e5793094532168aeb4818c5cfd6ba6f77c386a2052
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
nanocoredefense_evasiondiscoverykeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • fb88v.net:54984

  • www.fb88v.net:54984

Mutex

  • f2ddedc8-4b9d-4b89-af0a-115faba003ca

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    www.fb88v.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2026-04-01T07:59:17.005661136Z

  • 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

    FB88

  • 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

    f2ddedc8-4b9d-4b89-af0a-115faba003ca

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    fb88v.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    false

  • 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
      fb88.exe
    • Size 202KB
    • SHA256 d0db30fbdc095d29015d59e5793094532168aeb4818c5cfd6ba6f77c386a2052
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverynanocorekeyloggerpersistencespywarestealertrojan
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks