General

  • Target

    EUR98690-Swift99976675.js

  • Size

    369KB

  • Sample

    220829-rvvv6aafbq

  • MD5

    8d1f47a877f4578f0d4f5a1469c5726f

  • SHA1

    98663d5461ce37cffe7d1e1c300e5eb36b8e0360

  • SHA256

    6d882e7cb1b1000693eddf517cc22e2baa1537e3cd86e019da3c5a7638ca6f5f

  • SHA512

    9e4aa1efbecb021888409fdf65f4799215cc118f8eb683b9020f82cd951afe47c44bca1e1afd038555ff84bf6f92b97961bcc68e5fe80132eec8fea69294c63c

  • SSDEEP

    6144:AIHct39Zx15CrTTzRfhlSvt3n60opyt8ugNX2zd1TKO54HzirgTIbANP4n/pzJLR:AT515CfuXZoweGJ/0I2gxzJR3

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

[email protected]:54984

127.0.0.1:54984

Mutex

ca97c66b-4a70-4c2d-bb40-2424e5fdce5c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-10T10:11:01.057108436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    Default

  • 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

    ca97c66b-4a70-4c2d-bb40-2424e5fdce5c

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    [email protected]

  • 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

      EUR98690-Swift99976675.js

    • Size

      369KB

    • MD5

      8d1f47a877f4578f0d4f5a1469c5726f

    • SHA1

      98663d5461ce37cffe7d1e1c300e5eb36b8e0360

    • SHA256

      6d882e7cb1b1000693eddf517cc22e2baa1537e3cd86e019da3c5a7638ca6f5f

    • SHA512

      9e4aa1efbecb021888409fdf65f4799215cc118f8eb683b9020f82cd951afe47c44bca1e1afd038555ff84bf6f92b97961bcc68e5fe80132eec8fea69294c63c

    • SSDEEP

      6144:AIHct39Zx15CrTTzRfhlSvt3n60opyt8ugNX2zd1TKO54HzirgTIbANP4n/pzJLR:AT515CfuXZoweGJ/0I2gxzJR3

    • NanoCore

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

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v6

Tasks