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General

  • Target

    defbde5e6d8981cdc5c15764fd77e911_JaffaCakes118

  • Size

    479KB

  • Sample

    240913-1zb4aa1fjl

  • MD5

    defbde5e6d8981cdc5c15764fd77e911

  • SHA1

    66987e65620e79659bd4e17b1e0c8dfe0e6cb2f2

  • SHA256

    c342a7cb93e23cde27bfe4bcf9358f4cb9d49c0198abf112be372245ef96d678

  • SHA512

    38dd9094130c848aaea4c4d314c67068f1b47a9421d85670a397c387e1433d34ae6c9cd36b2142d7e868090e4e8971b094f68bf6ecbbde506e8f90f59d676312

  • SSDEEP

    12288:hsMX0LqeuVin1ySUIrWUPr0lezJ0FsErfTW5:hsMXmqeIWrbrWUPwEzJSRfA

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

176.126.86.243:62520

185.222.57.158:62520

Mutex

18f247e6-b28e-4811-85e8-2d8d20ef3632

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    185.222.57.158

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-07-09T23:28:43.442584536Z

  • 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

    62520

  • default_group

    MERCY

  • 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

    18f247e6-b28e-4811-85e8-2d8d20ef3632

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    176.126.86.243

  • 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

      QUOTATION-10-01-2021.doc.exe

    • Size

      655KB

    • MD5

      64a94e95263d5d44c99f69d16188d4b6

    • SHA1

      480e2c6b89535c9980de74b6baec20ebe7f0a2d5

    • SHA256

      0848e50e87a8f07c470d248f77b01e7e6639d64da7332c7c33372adc64c93ecf

    • SHA512

      063517e6525f174dfb2506f4721b9d146ad7ecd30efc0ec1f01110ffd9789fd9539ca8c98edcf65cde48c90d799f0118d9961b92e737b31e8c48b87121995cfb

    • SSDEEP

      12288:5ObQ+X8+UiDLbRHah6icBu8bonT0SqIr8UPX0lbqh0FsE1fTW:wbQ+X8+UiDLbRHah9cE8bER9r8UPE0h+

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks