General

  • Target

    44F56041661E3ED0FCA71E935974D180786CBDCB680BC.exe

  • Size

    1.0MB

  • Sample

    221112-abftfsfe41

  • MD5

    6a967b40092709a8f9ed7df934876e91

  • SHA1

    45f4c4e3d0a341b80052c602e24b016b433da10f

  • SHA256

    44f56041661e3ed0fca71e935974d180786cbdcb680bc99b932bb712a0bc40cd

  • SHA512

    bf6385591e974169a20067938f9d42e3b57fb6198515e590a29b90c57b9088782c499c53a8212239cde776e5b782f0b948ff0d97e7c0c78ae188033824973381

  • SSDEEP

    12288:/V+VsEkbTNMZvgBCZDHecbMzdQLfvllE3/b8wwSnVc/ZXe0n3JPIruPvSBLi6d0u:tgsEkoeanxlE3TFZK1Rnixi62zpVES

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

cbswgc.duckdns.org:4842

fbpa.duckdns.org:4842

Mutex

606c315b-72e0-4c9b-b5a8-99f554cc90bf

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fbpa.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-07-13T13:49:25.467812636Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4842

  • default_group

    *CASH*

  • 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

    606c315b-72e0-4c9b-b5a8-99f554cc90bf

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    cbswgc.duckdns.org

  • 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

      44F56041661E3ED0FCA71E935974D180786CBDCB680BC.exe

    • Size

      1.0MB

    • MD5

      6a967b40092709a8f9ed7df934876e91

    • SHA1

      45f4c4e3d0a341b80052c602e24b016b433da10f

    • SHA256

      44f56041661e3ed0fca71e935974d180786cbdcb680bc99b932bb712a0bc40cd

    • SHA512

      bf6385591e974169a20067938f9d42e3b57fb6198515e590a29b90c57b9088782c499c53a8212239cde776e5b782f0b948ff0d97e7c0c78ae188033824973381

    • SSDEEP

      12288:/V+VsEkbTNMZvgBCZDHecbMzdQLfvllE3/b8wwSnVc/ZXe0n3JPIruPvSBLi6d0u:tgsEkoeanxlE3TFZK1Rnixi62zpVES

    • 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

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks