General

  • Target

    129e409e4b18cbbee4241ee461bcad25_JaffaCakes118

  • Size

    576KB

  • Sample

    240504-n2lz2sdc4s

  • MD5

    129e409e4b18cbbee4241ee461bcad25

  • SHA1

    c932cd873bb37f3f1d2959b848c67fc344a9d092

  • SHA256

    619242f828d1c90595587ddab9ad3890f93b96b0723e419960d58d90091826d1

  • SHA512

    9130bf13682fe0a60dfb4a6f2b8a2d8835af789815daa41d81756c9582e97e1c85b2d50abd8e7053e9d9289aa7a816d5e12c3b5a03678ff6baac402171c3e65a

  • SSDEEP

    12288:0VXR/bkJ2u36I9t0mwShEqIQH063+U8XKERkjXr8qWYNGpe/sNL7ZfB:aXR/bw2u36g0vave6KKjXwqWYNGI8tB

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

54111.duckdns.org:54111

127.0.0.1:54111

Mutex

cfac1586-e1cf-4d97-b493-5e7e1dd40a32

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2019-02-12T06:39:37.387793036Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54111

  • 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

    cfac1586-e1cf-4d97-b493-5e7e1dd40a32

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    54111.duckdns.org

  • 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

      Microsoft_Upgrade.exe

    • Size

      637KB

    • MD5

      c966dbcfcfd2b34349b69a64ca2d84b2

    • SHA1

      a38239f0c1b582eb703a8a51c67894559cbddc17

    • SHA256

      f7f198c7576f5b5445c13bc91959541534f1412cbadca9a33c929731f594514c

    • SHA512

      e7e4ffa5c49f83b1b93f2ccf65d5a2d762c25368babaac73317121873a5ce95e342a842dbe60a00a2005b920acdc8f3ed5b570b478a0dfd23b3743757a04ff3c

    • SSDEEP

      12288:FYV6MorX7qzuC3QHO9FQVHPF51jgcaI8j9r66W6NYRC/wvL71fic:6BXu9HGaVHaI8j9m6W6NYA8pB

    • 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.

    • Deletes itself

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks