General

  • Target

    350d5e7320be3cf579bf1afacdbb46c0N.exe

  • Size

    506KB

  • Sample

    240805-cje81atfkk

  • MD5

    350d5e7320be3cf579bf1afacdbb46c0

  • SHA1

    f7220fb639e1c780f6ea23b1d657964f22bcf49a

  • SHA256

    f65d1cded5374ab70cfb0f316f045bc01a0f7dba4cb1cb1edf19a923282b525d

  • SHA512

    82d08ec44f4d8153ccdd42996604cf2ceab26c853d1a0b1a87257710b6ce115f9bde9dbd3ad93e54bed2f6337872fd877db994050926b0ff315f2bb7fa9ffdde

  • SSDEEP

    12288:0zQFwN0QMq3ZyMliWHt3hewrmrvTKdnMgmuCy:+QFmN3ZhlPt3hewyTK

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

savagesquad.ooguy.com:5314

Mutex

ffbf0a1f-4996-4697-ad52-3b9f73eda21c

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2019-07-07T02:55:03.718306736Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    true

  • connect_delay

    4000

  • connection_port

    5314

  • default_group

    FUD

  • 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

    ffbf0a1f-4996-4697-ad52-3b9f73eda21c

  • mutex_timeout

    5000

  • prevent_system_sleep

    true

  • primary_connection_host

    savagesquad.ooguy.com

  • 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

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      350d5e7320be3cf579bf1afacdbb46c0N.exe

    • Size

      506KB

    • MD5

      350d5e7320be3cf579bf1afacdbb46c0

    • SHA1

      f7220fb639e1c780f6ea23b1d657964f22bcf49a

    • SHA256

      f65d1cded5374ab70cfb0f316f045bc01a0f7dba4cb1cb1edf19a923282b525d

    • SHA512

      82d08ec44f4d8153ccdd42996604cf2ceab26c853d1a0b1a87257710b6ce115f9bde9dbd3ad93e54bed2f6337872fd877db994050926b0ff315f2bb7fa9ffdde

    • SSDEEP

      12288:0zQFwN0QMq3ZyMliWHt3hewrmrvTKdnMgmuCy:+QFmN3ZhlPt3hewyTK

    • 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