Overview

overview

10

Static

static

5

72e02c8fa5...7e.exe

windows7-x64

10

72e02c8fa5...7e.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e
  • Size 3.0MB
  • Sample241109-aam65ssjfx
  • SHA256 72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocorewebmonitorbackdoordiscoveryevasioninfostealerkeyloggerratspywarestealertrojanupx

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • shamim.zapto.org:11457

  • tost.dynamic-dns.net:11457

Mutex

  • 8017d58d-7b7f-4b91-b6de-613adf085a1e

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    tost.dynamic-dns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2018-12-01T22:40:08.386446536Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    11457

  • default_group

    ALPHA

  • 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

    8017d58d-7b7f-4b91-b6de-613adf085a1e

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    shamim.zapto.org

  • 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

Extracted

Family

  • webmonitor

C2

  • foxtrott70.wm01.to:443

Attributes
  • config_key

    CgP1g6JMgy5yU7HEsH9MRrDBEE6yyIwF

  • private_key

    mww7VgFA5

  • url_path

    /recv4.php

Targets

    • Target
      72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e
    • Size 3.0MB
    • SHA256 72e02c8fa5fd194031d15ad9ef3b35bde1d585aa325a07266870cdc12e99b67e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nanocorediscoveryevasionkeyloggerspywarestealertrojanupxwebmonitorbackdoorinfostealerrat

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • RevcodeRat, WebMonitorRat

      WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

      backdoorratinfostealerwebmonitor

    • WebMonitor payload

    • Webmonitor family

      webmonitor

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

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

    • Checks whether UAC is enabled

      evasiontrojan

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks