General

  • Target

    New Order Contract No 44322465.exe

  • Size

    4.3MB

  • Sample

    211028-ga56aaheap

  • MD5

    834abcb28b565a0f0fb7c41226835ab3

  • SHA1

    e226f85077045a1846374e4f9c8664a83a0a3103

  • SHA256

    4989e077de4fee06f408f91fd62665c36d60633c9dcc808c5539add5a5500164

  • SHA512

    c9b814fab0ad4a2fddb166822844c559dd22583c94af024dd41d61af48d86cd88cd505731dc9da812a7f0526c20819556e88e3b10cfb112d8605d5a800bca0b4

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

arkseven702.ddns.net:7727

Mutex

74fb9edb-82b1-41e4-91bd-7fe787b0bbad

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    arkseven702.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-08-02T20:32:24.918316736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    7727

  • default_group

    gatewayproject

  • 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

    74fb9edb-82b1-41e4-91bd-7fe787b0bbad

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    arkseven702.ddns.net

  • 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

      New Order Contract No 44322465.exe

    • Size

      4.3MB

    • MD5

      834abcb28b565a0f0fb7c41226835ab3

    • SHA1

      e226f85077045a1846374e4f9c8664a83a0a3103

    • SHA256

      4989e077de4fee06f408f91fd62665c36d60633c9dcc808c5539add5a5500164

    • SHA512

      c9b814fab0ad4a2fddb166822844c559dd22583c94af024dd41d61af48d86cd88cd505731dc9da812a7f0526c20819556e88e3b10cfb112d8605d5a800bca0b4

    • NanoCore

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

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks