General

  • Target

    5fa949797f79334bc295b2283eeb8b49_JaffaCakes118

  • Size

    253KB

  • Sample

    240520-r617bafb4s

  • MD5

    5fa949797f79334bc295b2283eeb8b49

  • SHA1

    7d69f9b7592a7d2eaa2cdc401395c531584475a6

  • SHA256

    e4d47d83fb4fbdff2fcbd92cb545e52b8ab90f0b7e3a97cc922484ff99151c2b

  • SHA512

    b2c84ad267d4a79c89bcb964a536cfdaaa28a330e7081886b614fcb46435c6e0d80c375e642b99a6f109b996d2c5cd32ae0c883deb354ab01e6108416ba393c9

  • SSDEEP

    6144:nRGbbX5mmy3ZaHW55AfXYxVchNwVjLlQYGTY/Fsly:nRoppE0HqCoUhNq3tG8

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

nanaaugust.ddns.net:8017

91.192.100.26:8017

Mutex

12235a0e-0990-4e90-8b5e-9870996c239d

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    91.192.100.26

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-06-08T09:56:02.791261936Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8017

  • 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

    12235a0e-0990-4e90-8b5e-9870996c239d

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    nanaaugust.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

      5fa949797f79334bc295b2283eeb8b49_JaffaCakes118

    • Size

      253KB

    • MD5

      5fa949797f79334bc295b2283eeb8b49

    • SHA1

      7d69f9b7592a7d2eaa2cdc401395c531584475a6

    • SHA256

      e4d47d83fb4fbdff2fcbd92cb545e52b8ab90f0b7e3a97cc922484ff99151c2b

    • SHA512

      b2c84ad267d4a79c89bcb964a536cfdaaa28a330e7081886b614fcb46435c6e0d80c375e642b99a6f109b996d2c5cd32ae0c883deb354ab01e6108416ba393c9

    • SSDEEP

      6144:nRGbbX5mmy3ZaHW55AfXYxVchNwVjLlQYGTY/Fsly:nRoppE0HqCoUhNq3tG8

    • NanoCore

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks