Overview

overview

10

Static

static

3

jaffacakes...en.exe

windows10-2004-x64

10

jaffacakes...en.exe

windows11-ltsc_2024-x64

10

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General

  • Target
    jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.e0f29ad8bd011a5ee3af2
  • Size 1.1MB
  • Sample261013-ycd81sat61
  • SHA256 4390baa67ced34c34a7ca6a41209b0f244d3a1c531c9e43dd1db10c6933c930c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
nanocorenetwireagilenetbotnetdefense_evasiondiscoverykeyloggerpersistenceprivilege_escalationratspywarestealertrojan

Malware Config

Extracted

Family

  • netwire

C2

  • justgo.linkpc.net:3986

Attributes
  • activex_autorun

    false

  • copy_executable

    true

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

    %AppData%\Install\Host.exe

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    UXTmNJtd

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • use_mutex

    true

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 51.75.191.90:30302

  • justgo.linkpc.net:30302

Mutex

  • e2d4cd1d-9bb1-4c8e-9e34-978c528e0a14

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    justgo.linkpc.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-04-06T13:02:08.387181836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    30302

  • 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

    e2d4cd1d-9bb1-4c8e-9e34-978c528e0a14

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    51.75.191.90

  • 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
      jaffacakes118_HEUR.Backdoor.MSIL.NanoBot.gen.e0f29ad8bd011a5ee3af2
    • Size 1.1MB
    • SHA256 4390baa67ced34c34a7ca6a41209b0f244d3a1c531c9e43dd1db10c6933c930c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    agilenetbotnetdefense_evasiondiscoverynanocorenetwirekeyloggerpersistenceprivilege_escalationratspywarestealertrojan

    • Family: NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Family: Netwire

      Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

      botnetstealernetwire

    • NetWire RAT payload

      rat

    • Looks for VirtualBox Guest Additions in registry

      defense_evasion

    • Looks for VMWare Tools registry key

      defense_evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks