Overview

overview

10

Static

static

3

d8a5fc40c8...18.exe

windows7-x64

10

d8a5fc40c8...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    d8a5fc40c88a6e319d71af2346ce2b19_JaffaCakes118
  • Size 1.0MB
  • Sample240910-vh5flsthpr
  • SHA256 f309e1a5b36ca0fa02eb6b5439dfe771e76f420ea18f7b5ac0a63950f03bc48f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocorediscoverykeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • franex.sytes.net:19055

  • franexserve.duckdns.org:19055

Mutex

  • b419eeae-0d79-4132-aae3-286d9a62a602

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    franexserve.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-08-08T22:26:34.089187836Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    19055

  • default_group

    franex

  • 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

    b419eeae-0d79-4132-aae3-286d9a62a602

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    franex.sytes.net

  • 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
      d8a5fc40c88a6e319d71af2346ce2b19_JaffaCakes118
    • Size 1.0MB
    • SHA256 f309e1a5b36ca0fa02eb6b5439dfe771e76f420ea18f7b5ac0a63950f03bc48f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nanocorediscoverykeyloggerpersistencespywarestealertrojan

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

      keyloggertrojanstealerspywarenanocore

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks