General

  • Target

    Sts Global Order.xlsx

  • Size

    268KB

  • Sample

    211025-htsvqsfga3

  • MD5

    32f28af7bfd53e685b4cb23daa435ac1

  • SHA1

    2b8161a2ff19950d6767cc1adbd7b85af04a335b

  • SHA256

    52601a9c0c289aa1e3de03a32f2c7c2d47c94685e3bc58b06c6932f1b65a88ca

  • SHA512

    1021cf15cfae872dd467e7f7476d0d2cd1e7fe953e4f0fe91fda7c450bda6cf46ca9fa01cfab7ddd0dbcb0d59ecb90b9eb5fba2579fc7dcfe8d25166b44f80b9

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

newme122.3utilities.com:8822

newme1122.3utilities.com:8822

Mutex

dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    newme1122.3utilities.com

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-31T13:00:17.372768836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    8822

  • default_group

    A New TIme Has Come

  • 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

    dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    newme122.3utilities.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

      Sts Global Order.xlsx

    • Size

      268KB

    • MD5

      32f28af7bfd53e685b4cb23daa435ac1

    • SHA1

      2b8161a2ff19950d6767cc1adbd7b85af04a335b

    • SHA256

      52601a9c0c289aa1e3de03a32f2c7c2d47c94685e3bc58b06c6932f1b65a88ca

    • SHA512

      1021cf15cfae872dd467e7f7476d0d2cd1e7fe953e4f0fe91fda7c450bda6cf46ca9fa01cfab7ddd0dbcb0d59ecb90b9eb5fba2579fc7dcfe8d25166b44f80b9

    • NanoCore

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks