General

  • Target

    USPS.exe

  • Size

    1.3MB

  • Sample

    200624-4hkhkvltns

  • MD5

    2b88bb3a1dc7d15f7ee00323f4d8f142

  • SHA1

    920e2fadf1372cd0d0f0c5f086d18a7eda79587f

  • SHA256

    944b633d92799fe6aeefae5de7945b6b0b69020ed669d9d7e68ebd80868771e6

  • SHA512

    445fa6eb36f0e7748a8e803819a11df1905076ef0b0d33c431aef26b35997df774bd3a46eac04f9be8a4f78550f1f99384bef0589490637fee529fecc84aab0e

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

u852121.nvpn.to:3410

Mutex

6600ee3d-9113-495f-9807-2cbadaeabc68

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    u852121.nvpn.to

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-03-29T22:15:11.322294736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    3410

  • default_group

    usp

  • 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

    6600ee3d-9113-495f-9807-2cbadaeabc68

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    u852121.nvpn.to

  • 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

      USPS.exe

    • Size

      1.3MB

    • MD5

      2b88bb3a1dc7d15f7ee00323f4d8f142

    • SHA1

      920e2fadf1372cd0d0f0c5f086d18a7eda79587f

    • SHA256

      944b633d92799fe6aeefae5de7945b6b0b69020ed669d9d7e68ebd80868771e6

    • SHA512

      445fa6eb36f0e7748a8e803819a11df1905076ef0b0d33c431aef26b35997df774bd3a46eac04f9be8a4f78550f1f99384bef0589490637fee529fecc84aab0e

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Tasks