General

  • Target

    ee732fe083d094477408b867d673fa9ce9b443099a3a9178362f2cf032297224

  • Size

    776KB

  • Sample

    221126-jclkrscc22

  • MD5

    9caffe7a2a97e5c787dbf0df3e7eb18d

  • SHA1

    c1a4a0133fd6869f37ae43db74b143b821105fe7

  • SHA256

    ee732fe083d094477408b867d673fa9ce9b443099a3a9178362f2cf032297224

  • SHA512

    5e4a2b64b18f5316937de8ccd0925d05de443d98f0b10267a9e62e923e43d1d0aa758c8be0e112494948fc799c9a57ea40d19d53d3313ee8e90f830b5376a22b

  • SSDEEP

    12288:jdgWHE2zmj8huD9qs4eJiRMWjg1PDNfOdyPGkmFcagwYSSIsEd9HZ+EEV:28yj8hAqSiOkgNCyPGkmFCNumEE

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

mrsaix.noip.me:9033

Mutex

92c248cc-2654-43ec-876f-26667c552790

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-11-01T23:50:25.731419836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    9033

  • 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

    92c248cc-2654-43ec-876f-26667c552790

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    mrsaix.noip.me

  • primary_dns_server

  • 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

    1.2.1.1

  • wan_timeout

    8000

Targets

    • Target

      ee732fe083d094477408b867d673fa9ce9b443099a3a9178362f2cf032297224

    • Size

      776KB

    • MD5

      9caffe7a2a97e5c787dbf0df3e7eb18d

    • SHA1

      c1a4a0133fd6869f37ae43db74b143b821105fe7

    • SHA256

      ee732fe083d094477408b867d673fa9ce9b443099a3a9178362f2cf032297224

    • SHA512

      5e4a2b64b18f5316937de8ccd0925d05de443d98f0b10267a9e62e923e43d1d0aa758c8be0e112494948fc799c9a57ea40d19d53d3313ee8e90f830b5376a22b

    • SSDEEP

      12288:jdgWHE2zmj8huD9qs4eJiRMWjg1PDNfOdyPGkmFcagwYSSIsEd9HZ+EEV:28yj8hAqSiOkgNCyPGkmFCNumEE

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks