Overview

overview

10

Static

static

3

4627e45e75...3N.exe

windows7-x64

10

4627e45e75...3N.exe

windows10-2004-x64

10

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General

  • Target

    4627e45e75fd36129a6ccc762828cb9a1e614f7eba26694f390affecc9f22d73N.exe

  • Size

    257KB

  • Sample

    250205-f6zgyasjdx

  • MD5

    4b190e8e8f6fa125c8e12119033266f0

  • SHA1

    c4ae63b1e1e4e93eebd8ce308507a3c2c55bd651

  • SHA256

    4627e45e75fd36129a6ccc762828cb9a1e614f7eba26694f390affecc9f22d73

  • SHA512

    e778233396f411f0585fee2f017bfd22247e9b9affd6625d5e0e9c531a6eb97d62435835ac8a22f53f67a52cdbc5773a62f1ae705dfa7c8fd1cbdc958d06fce1

  • SSDEEP

    6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ4i:EeGUA5YZazpXUmZhPi

Score
10/10
nanocoredefense_evasiondiscoverykeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2020-04-24T17:41:53.492468936Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    45400

  • default_group

    Default

  • 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

    ae82ab7f-db07-49ee-9d2b-76075d76f37f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    sysupdate24.ddns.net

  • 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

      4627e45e75fd36129a6ccc762828cb9a1e614f7eba26694f390affecc9f22d73N.exe

    • Size

      257KB

    • MD5

      4b190e8e8f6fa125c8e12119033266f0

    • SHA1

      c4ae63b1e1e4e93eebd8ce308507a3c2c55bd651

    • SHA256

      4627e45e75fd36129a6ccc762828cb9a1e614f7eba26694f390affecc9f22d73

    • SHA512

      e778233396f411f0585fee2f017bfd22247e9b9affd6625d5e0e9c531a6eb97d62435835ac8a22f53f67a52cdbc5773a62f1ae705dfa7c8fd1cbdc958d06fce1

    • SSDEEP

      6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ4i:EeGUA5YZazpXUmZhPi

    Score
    10/10
    nanocoredefense_evasiondiscoverykeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • 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

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks