Resubmissions

12/11/2022, 16:21

221112-ttxdpsgf59 10

05/11/2022, 14:36

221105-ryphjsadhq 10

General

  • Target

    file.exe

  • Size

    948KB

  • Sample

    221112-ttxdpsgf59

  • MD5

    f2176483dc8567816a381cebc5a42885

  • SHA1

    4e36da9dc9aa91ce3e416e5515619a3f66b22a24

  • SHA256

    d3b89309f9088554afe3ce791ddb2eb93a4dd1945fcffae7221500514b730791

  • SHA512

    00a151e32a794ac9c8a7e9dc4cbf0475a1e21fa11ed5619736c83c91d4ae652da18d5854ffa68f4e82a9ee246ea9331d7cfb5e61a4ceb93b44f111f2b270bbea

  • SSDEEP

    12288:AIg27toeMPVRSTQKvdZ1Zpi8CUWELn+Nt69h+2a8Elg9MZTSnoVz1Lvu:maHMtYTrvdPZpvCELaEHaVSsLG

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

maxlogs.webhop.me:1620

Mutex

9d764268-05c2-4a8e-8c39-b4db356d4640

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2020-05-29T07:34:04.203922136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1620

  • default_group

    x

  • 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

    9d764268-05c2-4a8e-8c39-b4db356d4640

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    maxlogs.webhop.me

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      file.exe

    • Size

      948KB

    • MD5

      f2176483dc8567816a381cebc5a42885

    • SHA1

      4e36da9dc9aa91ce3e416e5515619a3f66b22a24

    • SHA256

      d3b89309f9088554afe3ce791ddb2eb93a4dd1945fcffae7221500514b730791

    • SHA512

      00a151e32a794ac9c8a7e9dc4cbf0475a1e21fa11ed5619736c83c91d4ae652da18d5854ffa68f4e82a9ee246ea9331d7cfb5e61a4ceb93b44f111f2b270bbea

    • SSDEEP

      12288:AIg27toeMPVRSTQKvdZ1Zpi8CUWELn+Nt69h+2a8Elg9MZTSnoVz1Lvu:maHMtYTrvdPZpvCELaEHaVSsLG

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks