Overview

overview

10

Static

static

3

b3b444d070...9N.exe

windows7-x64

7

b3b444d070...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b3b444d0705cf19ff7fa7e80421edbf8589606b5b69015436e9f7ce269c70969N.exe

  • Size

    279KB

  • Sample

    250111-h4wdlszqft

  • MD5

    220309d129db666a1b36f562f3436760

  • SHA1

    e6de1e4faea5c377d982de0a54d49895f02aed98

  • SHA256

    b3b444d0705cf19ff7fa7e80421edbf8589606b5b69015436e9f7ce269c70969

  • SHA512

    5a0dac1f78e513f9b59110c2a02702435993c33a59c70b5a78b8b5e617770e6292f26cfbdc958b8c4604a403f312397ccde5dc9dcbced4bf9fc5a42b6afc5a95

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66f/:boSeGUA5YZazpXUmZhZ6n

Score
10/10
nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

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

      b3b444d0705cf19ff7fa7e80421edbf8589606b5b69015436e9f7ce269c70969N.exe

    • Size

      279KB

    • MD5

      220309d129db666a1b36f562f3436760

    • SHA1

      e6de1e4faea5c377d982de0a54d49895f02aed98

    • SHA256

      b3b444d0705cf19ff7fa7e80421edbf8589606b5b69015436e9f7ce269c70969

    • SHA512

      5a0dac1f78e513f9b59110c2a02702435993c33a59c70b5a78b8b5e617770e6292f26cfbdc958b8c4604a403f312397ccde5dc9dcbced4bf9fc5a42b6afc5a95

    • SSDEEP

      6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66f/:boSeGUA5YZazpXUmZhZ6n

    Score
    10/10
    discoverypersistencenanocoreevasionkeyloggerspywarestealertrojan

    • 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

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks