General

  • Target

    Launcher.exe

  • Size

    37.9MB

  • Sample

    241123-vrlpvsykht

  • MD5

    2879823979f8b16f80483eb80f38dcaa

  • SHA1

    83846ac4df07519a2fab9952d43ee9be2fdb5794

  • SHA256

    15455df49778d6e1154d788f37171e2e73abc52db4c0b78cde050ad054a23bf7

  • SHA512

    3470ac73d739c805d52ed452bc463f92977d8b606fd4f83e0aab9546e01d55bac27e9faffb20d3f617b6f48476296588e354453d74a32459225c22d716a205b2

  • SSDEEP

    786432:YRrD3/04fhQJc9LUwSwLzL60o48fyEodlWPy1WGTO7icRS7:YRrT04yJzwR60v8fyEoqPyjt

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ahmedyassin.ddns.net:1604

103.202.55.183:1604

Mutex

9c669e26-1992-4407-bd85-303bd39cba2d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    103.202.55.183

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-07-17T23:25:55.093433736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1604

  • 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

    9c669e26-1992-4407-bd85-303bd39cba2d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    ahmedyassin.ddns.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

      Launcher.exe

    • Size

      37.9MB

    • MD5

      2879823979f8b16f80483eb80f38dcaa

    • SHA1

      83846ac4df07519a2fab9952d43ee9be2fdb5794

    • SHA256

      15455df49778d6e1154d788f37171e2e73abc52db4c0b78cde050ad054a23bf7

    • SHA512

      3470ac73d739c805d52ed452bc463f92977d8b606fd4f83e0aab9546e01d55bac27e9faffb20d3f617b6f48476296588e354453d74a32459225c22d716a205b2

    • SSDEEP

      786432:YRrD3/04fhQJc9LUwSwLzL60o48fyEodlWPy1WGTO7icRS7:YRrT04yJzwR60v8fyEoqPyjt

    • NanoCore

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

    • Nanocore family

    • UAC bypass

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks