General

  • Target

    336a21a47b8676d1aac07c409f2385acab3118ffe68efa66acbdc8ed327beff0.exe

  • Size

    1.0MB

  • Sample

    250124-fe95cszrat

  • MD5

    e924261d5b74818b7cd8eec45b10975b

  • SHA1

    62bf23787c5dd04b1ac171088561b2674d7950fd

  • SHA256

    336a21a47b8676d1aac07c409f2385acab3118ffe68efa66acbdc8ed327beff0

  • SHA512

    ce7771372c6834048853b0cedb0dde2f98f6b77d8b8adf5e2df80f1337f54cb37de16dadf3d238a0bd77c0ec0ce732168f604cc6e37c4ac33b9887ff10ce69cb

  • SSDEEP

    24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/T:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wT

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

      336a21a47b8676d1aac07c409f2385acab3118ffe68efa66acbdc8ed327beff0.exe

    • Size

      1.0MB

    • MD5

      e924261d5b74818b7cd8eec45b10975b

    • SHA1

      62bf23787c5dd04b1ac171088561b2674d7950fd

    • SHA256

      336a21a47b8676d1aac07c409f2385acab3118ffe68efa66acbdc8ed327beff0

    • SHA512

      ce7771372c6834048853b0cedb0dde2f98f6b77d8b8adf5e2df80f1337f54cb37de16dadf3d238a0bd77c0ec0ce732168f604cc6e37c4ac33b9887ff10ce69cb

    • SSDEEP

      24576:Jur9gkEPGcHHXYDYDa6naGhywpCjq7jUv7cF6kZ6YriDfZ49p50/T:Ur9gNGKXYD+naGEsBXUv66k8o4yp5wT

    • 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