Overview

overview

10

Static

static

3

679ba017a3...37.exe

windows7-x64

10

679ba017a3...37.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    679ba017a36c5a048bdcba490f2f1c37
  • Size 891KB
  • Sample240119-phtffsdfgk
  • SHA256 8ec4075cc5bce80c2feadf961db8ccc634518273cf55399bd4669c4bd5c96231
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
nanocoreevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • nanocore

Version

  • 1.2.2.0

C2

  • 194.5.98.120:1604

  • joseedward5001.ddns.net:1604

Mutex

  • 5105cee7-01b7-42fc-8eeb-995f67968eb8

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    joseedward5001.ddns.net

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2021-05-17T08:12:40.766304936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    1604

  • default_group

    1220

  • 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

    5105cee7-01b7-42fc-8eeb-995f67968eb8

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    194.5.98.120

  • 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
      679ba017a36c5a048bdcba490f2f1c37
    • Size 891KB
    • SHA256 8ec4075cc5bce80c2feadf961db8ccc634518273cf55399bd4669c4bd5c96231
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    nanocoreevasionkeyloggerspywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Checks whether UAC is enabled

      evasiontrojan

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks