General

  • Target

    DOC-5629026378927-01263896626________________.js

  • Size

    375KB

  • Sample

    220830-qjc1jahdcj

  • MD5

    d194e3fda4edc0012e10ba5b89eaf23b

  • SHA1

    7c4ec6fe2bc68b4fcf0ca98f3f14a2da09837042

  • SHA256

    6de59ba9ae89955fac2a6fda448cf36fddd092df3bdca623aa64fd6e688de6f2

  • SHA512

    aaf3bef9e251d41f0cb6e22f06569129caf4f56e15fae3009b1e3c776580fe96254e6a6f041a0fc2aef784914c2dbafc5afe95c538365188fbf8e148213bda5d

  • SSDEEP

    6144:W+KBpCSQkoSiW+YrVGx+Bvh9lILpa/3CDCG9J7x8fF5KVYfUlRBDeY0L1G:W+2QkVTJh9t3Q8zK++RWL1G

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

vasticbless.hopto.org:408

80.76.51.88:408

Mutex

779bee15-ee15-4d9f-8c7e-232e7691a569

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    80.76.51.88

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-11T01:54:40.768762336Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    408

  • default_group

    WONDERS

  • 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

    779bee15-ee15-4d9f-8c7e-232e7691a569

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    vasticbless.hopto.org

  • 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

      DOC-5629026378927-01263896626________________.js

    • Size

      375KB

    • MD5

      d194e3fda4edc0012e10ba5b89eaf23b

    • SHA1

      7c4ec6fe2bc68b4fcf0ca98f3f14a2da09837042

    • SHA256

      6de59ba9ae89955fac2a6fda448cf36fddd092df3bdca623aa64fd6e688de6f2

    • SHA512

      aaf3bef9e251d41f0cb6e22f06569129caf4f56e15fae3009b1e3c776580fe96254e6a6f041a0fc2aef784914c2dbafc5afe95c538365188fbf8e148213bda5d

    • SSDEEP

      6144:W+KBpCSQkoSiW+YrVGx+Bvh9lILpa/3CDCG9J7x8fF5KVYfUlRBDeY0L1G:W+2QkVTJh9t3Q8zK++RWL1G

    • 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.

    • Adds Run key to start application

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v6

Tasks