General

  • Target

    Order_List_PO# 081929.exe

  • Size

    5.3MB

  • Sample

    210118-a2apx9n3gx

  • MD5

    4883df19a41690e59eb5e4771dc7d432

  • SHA1

    c5fc72385d8abb5be3f5d0281d723b3738fed66d

  • SHA256

    b3e06e10d739a4e4c6207dba909e57c264994c09543a5101fe52da860e8a09a9

  • SHA512

    2771a8f587ff67f951057ca09ec73c8706affad4032af8fc918d9e3077f83f8e894ba73986b2f7826c02bfbace35227507b74e984b26bfa17b3c73597b0c38f9

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.157.162.81:40700

nanopc.linkpc.net:40700

Mutex

ebbd9300-ed31-4d29-88d8-4f7b7a7f8653

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    nanopc.linkpc.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-09-04T02:29:42.194822936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    40700

  • default_group

    LAGOS_BLESSED2

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    29933

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    ebbd9300-ed31-4d29-88d8-4f7b7a7f8653

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    185.157.162.81

  • 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

    4944

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      Order_List_PO# 081929.exe

    • Size

      5.3MB

    • MD5

      4883df19a41690e59eb5e4771dc7d432

    • SHA1

      c5fc72385d8abb5be3f5d0281d723b3738fed66d

    • SHA256

      b3e06e10d739a4e4c6207dba909e57c264994c09543a5101fe52da860e8a09a9

    • SHA512

      2771a8f587ff67f951057ca09ec73c8706affad4032af8fc918d9e3077f83f8e894ba73986b2f7826c02bfbace35227507b74e984b26bfa17b3c73597b0c38f9

    • NanoCore

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

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Tasks