General

  • Target

    DHL-#AWB130501923096PDF.exe

  • Size

    712KB

  • Sample

    210126-rb17c7elp6

  • MD5

    13e8443bf19ea588b2c7a77251746fe8

  • SHA1

    62ae36fa6f7d5a21e026a8bbebed94bac81384e6

  • SHA256

    1372611a62207431985055ea8ecb4121b3dfb199e615102c06cc38e5aabdd65d

  • SHA512

    0dbcf414e821c737084e2d3cc378f5e8de1920ab2d41340d5c474316a051001f71cb47f0733cb588923d885455137c2b36993caecb160333bc23e539b9db6de9

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.162.88.26:20911

fenixalec.ddns.net:20911

Mutex

4c844ad7-de78-4c04-815b-d468ebb89811

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    fenixalec.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-10-25T21:31:56.793896536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    20911

  • default_group

    2021 GREATEST

  • 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

    4c844ad7-de78-4c04-815b-d468ebb89811

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.162.88.26

  • 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

      DHL-#AWB130501923096PDF.exe

    • Size

      712KB

    • MD5

      13e8443bf19ea588b2c7a77251746fe8

    • SHA1

      62ae36fa6f7d5a21e026a8bbebed94bac81384e6

    • SHA256

      1372611a62207431985055ea8ecb4121b3dfb199e615102c06cc38e5aabdd65d

    • SHA512

      0dbcf414e821c737084e2d3cc378f5e8de1920ab2d41340d5c474316a051001f71cb47f0733cb588923d885455137c2b36993caecb160333bc23e539b9db6de9

    • 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

    • Enumerates physical storage devices

      Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks