General

  • Target

    c961820d87a64fd7cb0c41884bce694d_JaffaCakes118

  • Size

    641KB

  • Sample

    240829-w4y2dsvene

  • MD5

    c961820d87a64fd7cb0c41884bce694d

  • SHA1

    3e1618437a9751bbfb236a8fb0e8037849211a1a

  • SHA256

    87e895e60cc5b87ac5f59bfc6546449bff6b6dab0d5bf835956d49cbe8cef31b

  • SHA512

    9a9f697d63a09f3c6f4114ca3c7bc379389d64e04e1550a5ed83ca175140f833b87b81ccfb4dffd3c0b11d81eb8495e07156875cae2ab70c5395a97f8ea1b616

  • SSDEEP

    12288:ecyoMr4LxRh41hrbDQZxYCLhy4/I82vkLnfOOimL9vsHre:eXVPUZxPL2vk1ikuHq

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

gifted.gleeze.com:55623

phill.onmypc.us:55623

Mutex

5a8742ff-0185-4032-9522-375e8e036567

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    phill.onmypc.us

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-05-11T03:10:19.770910536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    55623

  • default_group

    STUB

  • 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

    5a8742ff-0185-4032-9522-375e8e036567

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    gifted.gleeze.com

  • 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

      c961820d87a64fd7cb0c41884bce694d_JaffaCakes118

    • Size

      641KB

    • MD5

      c961820d87a64fd7cb0c41884bce694d

    • SHA1

      3e1618437a9751bbfb236a8fb0e8037849211a1a

    • SHA256

      87e895e60cc5b87ac5f59bfc6546449bff6b6dab0d5bf835956d49cbe8cef31b

    • SHA512

      9a9f697d63a09f3c6f4114ca3c7bc379389d64e04e1550a5ed83ca175140f833b87b81ccfb4dffd3c0b11d81eb8495e07156875cae2ab70c5395a97f8ea1b616

    • SSDEEP

      12288:ecyoMr4LxRh41hrbDQZxYCLhy4/I82vkLnfOOimL9vsHre:eXVPUZxPL2vk1ikuHq

    • NanoCore

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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 v15

Tasks