General

  • Target

    33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118

  • Size

    745KB

  • Sample

    241011-jgqehsxfrj

  • MD5

    33ea695c5aae0047ddbd1144eeba659a

  • SHA1

    0d1c55bd6977533133e285f4820c141e33dee792

  • SHA256

    13fe4c9b3cf5ae9a331e296d91c684470db23be83e0a981cdfe48d5d08b197bf

  • SHA512

    b80e9bba56b136e733845564ad6c7242e5a37239aafb6f1a093708d09b8d8741db247766288435f4bf6606265d913b0636cdbeffa8498ebc6200bdc124440d45

  • SSDEEP

    12288:HFUk4olor5jDTi3KT8BmPJeXnomQY4CDWOvngDFHSYi0HK7zGzJym19oSuj+u76F:wzwQJeKYXlYkIyXSuSs9/Zs9cQrumQHk

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

bohemianbenz.ddns.net:6060

127.0.0.1:6060

Mutex

4c660600-2810-4cf6-8702-7937ab2e690a

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2021-04-12T20:37:58.074750536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6060

  • default_group

    ODINSGATE

  • 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

    4c660600-2810-4cf6-8702-7937ab2e690a

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    bohemianbenz.ddns.net

  • primary_dns_server

    37.235.1.174

  • 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

      33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118

    • Size

      745KB

    • MD5

      33ea695c5aae0047ddbd1144eeba659a

    • SHA1

      0d1c55bd6977533133e285f4820c141e33dee792

    • SHA256

      13fe4c9b3cf5ae9a331e296d91c684470db23be83e0a981cdfe48d5d08b197bf

    • SHA512

      b80e9bba56b136e733845564ad6c7242e5a37239aafb6f1a093708d09b8d8741db247766288435f4bf6606265d913b0636cdbeffa8498ebc6200bdc124440d45

    • SSDEEP

      12288:HFUk4olor5jDTi3KT8BmPJeXnomQY4CDWOvngDFHSYi0HK7zGzJym19oSuj+u76F:wzwQJeKYXlYkIyXSuSs9/Zs9cQrumQHk

    • NanoCore

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks