General

  • Target

    3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c

  • Size

    1.0MB

  • Sample

    250121-aqwhfsxjbj

  • MD5

    569eb0ebdd2ee145f4935f2e7d734d1f

  • SHA1

    d7677bc1afd73f2e0e6eda5a85473da0910cf0a7

  • SHA256

    3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c

  • SHA512

    66c93de3c5d43b3007ddb06b258afe5048212c99158d35c3de531c09ba5d0c9d5a173d87961b95fc9f566e872f31c5356b4a29ef8e9270a1a100621e3fce0339

  • SSDEEP

    24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/p:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wp

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

testwork.kozow.com:8906

Mutex

bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    testwork.kozow.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-16T16:47:25.218235636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8906

  • default_group

    star

  • 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

    bd6fc7b5-d48b-4e23-98f7-784bd3ef305c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    testwork.kozow.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c

    • Size

      1.0MB

    • MD5

      569eb0ebdd2ee145f4935f2e7d734d1f

    • SHA1

      d7677bc1afd73f2e0e6eda5a85473da0910cf0a7

    • SHA256

      3f906ebc2b89314eee190bf4ab7cea3247df9b8b51a7ab79a419a300fcace30c

    • SHA512

      66c93de3c5d43b3007ddb06b258afe5048212c99158d35c3de531c09ba5d0c9d5a173d87961b95fc9f566e872f31c5356b4a29ef8e9270a1a100621e3fce0339

    • SSDEEP

      24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/p:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wp

    • NanoCore

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

    • Nanocore family

    • Drops startup file

    • Checks whether UAC is enabled

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks