Overview

overview

10

Static

static

3

4d895b84b2...0N.exe

windows7-x64

10

4d895b84b2...0N.exe

windows10-2004-x64

10

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General

  • Target

    4d895b84b2264febb49c32552c9effb0N.exe

  • Size

    280KB

  • Sample

    240721-csry6asgra

  • MD5

    4d895b84b2264febb49c32552c9effb0

  • SHA1

    3a32ec33ac7489274f8653959541bf88b29491f5

  • SHA256

    98f6d65cade358f4260e3aad9fbe81b9efc572a5572b4e7ee8969e67c890c945

  • SHA512

    a91742c4bc68304bee2cc2a8c466061d08012c3f050ab27369dd4b5afd958e318b4444ab48a432236105ed0be4cff1835480e262bd1c11b70c833f27c0337bd7

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fK0a:boSeGUA5YZazpXUmZhZ6S/

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

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

      4d895b84b2264febb49c32552c9effb0N.exe

    • Size

      280KB

    • MD5

      4d895b84b2264febb49c32552c9effb0

    • SHA1

      3a32ec33ac7489274f8653959541bf88b29491f5

    • SHA256

      98f6d65cade358f4260e3aad9fbe81b9efc572a5572b4e7ee8969e67c890c945

    • SHA512

      a91742c4bc68304bee2cc2a8c466061d08012c3f050ab27369dd4b5afd958e318b4444ab48a432236105ed0be4cff1835480e262bd1c11b70c833f27c0337bd7

    • SSDEEP

      6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fK0a:boSeGUA5YZazpXUmZhZ6S/

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • 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