Overview

overview

10

Static

static

3

33ea695c5a...18.exe

windows7-x64

10

33ea695c5a...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118
  • Size 745KB
  • Sample241011-jgqehsxfrj
  • SHA256 13fe4c9b3cf5ae9a331e296d91c684470db23be83e0a981cdfe48d5d08b197bf
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocorediscoveryevasionexecutionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • bohemianbenz.ddns.net:6060

  • 127.0.0.1:6060

Mutex

  • 4c660600-2810-4cf6-8702-7937ab2e690a

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    37.235.1.177

  • buffer_size

    65535

  • build_time

    2021-04-12T20:37:58.074750536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    6060

  • default_group

    ODINSGATE

  • 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

    4c660600-2810-4cf6-8702-7937ab2e690a

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    bohemianbenz.ddns.net

  • primary_dns_server

    37.235.1.174

  • 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
      33ea695c5aae0047ddbd1144eeba659a_JaffaCakes118
    • Size 745KB
    • SHA256 13fe4c9b3cf5ae9a331e296d91c684470db23be83e0a981cdfe48d5d08b197bf
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nanocorediscoveryevasionexecutionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Checks computer location settings

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks