General

  • Target

    2d0123d9e43747d6f06e97d4d6b36442_JaffaCakes118

  • Size

    252KB

  • Sample

    240510-dfct5seh9t

  • MD5

    2d0123d9e43747d6f06e97d4d6b36442

  • SHA1

    4541da18ba678f664b05a0c9a56036c995575647

  • SHA256

    89ac7ff2df4d1fe35fc7e54a75b7acea4887f14e6e829fb6eb1fbb3a30a86497

  • SHA512

    d223f46e82044a9d02e50a68ff3f405a923fca12cb1e5c0a2b753c9054e6295d67e413ecf304af757dd464f7feaabde54bafd4fbdb3df0be4b8fd0a5f449179a

  • SSDEEP

    6144:RtRRRCnYj/BR5/Jx/AiU7dJFi1wL5SToC0YekoC9hz83Q9aW:RtRRnxgiEg2VDe9u3Q9x

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

154.16.63.185:7000

Mutex

d11442f0-3ee6-4300-983e-c8ee31789ed3

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    154.16.63.185

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2017-12-10T15:03:12.683218336Z

  • 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

    7000

  • default_group

    2018

  • 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

    d11442f0-3ee6-4300-983e-c8ee31789ed3

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    154.16.63.185

  • 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

      Contract Letter.scr

    • Size

      293KB

    • MD5

      d14f5239a9832ec10001d6aac226e3d4

    • SHA1

      09455e731bf58a02afee44fbdda3a231ba3f244f

    • SHA256

      8140df9a982cce60568d90f9beade94609ea35e51e8386fd0328c3cb0af2bf76

    • SHA512

      755471f8ad87e82d69545328176eeaf10e912c6f136ba1b326165704046daf4f7378efd889c57d26d1c03b0f61473fca315884215dd11e9dbb59f9186ce5f80f

    • SSDEEP

      6144:DkTR3tpkfqvHm7NB208YdabnINZUQVxR4SHKPNG+P8PrnC:4TRPYyHC987biUQ/RviG+0zn

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks