Overview

overview

10

Static

static

3

4b62c30887...0N.exe

windows7-x64

10

4b62c30887...0N.exe

windows10-2004-x64

10

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General

  • Target

    4b62c30887b9f721977a8ec1c5f585011dd394a658c6fb79a097b949dae927a0N.exe

  • Size

    255KB

  • Sample

    241230-rzs75aznby

  • MD5

    8a00a99ea5bb892c7835c58d8c32bd00

  • SHA1

    2218bb3e9f24a85d77055c2e00352e9c6dc08878

  • SHA256

    4b62c30887b9f721977a8ec1c5f585011dd394a658c6fb79a097b949dae927a0

  • SHA512

    f71e56d3934f12f4c33d905e2c14c4a252d312c156dc3023e29f9252ea00b4194742634570d3925d5c05a0b48e86ab1d6edc800bd9c3018ba3a3691b7ac9dff0

  • SSDEEP

    6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ4Q:EeGUA5YZazpXUmZhPQ

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

      4b62c30887b9f721977a8ec1c5f585011dd394a658c6fb79a097b949dae927a0N.exe

    • Size

      255KB

    • MD5

      8a00a99ea5bb892c7835c58d8c32bd00

    • SHA1

      2218bb3e9f24a85d77055c2e00352e9c6dc08878

    • SHA256

      4b62c30887b9f721977a8ec1c5f585011dd394a658c6fb79a097b949dae927a0

    • SHA512

      f71e56d3934f12f4c33d905e2c14c4a252d312c156dc3023e29f9252ea00b4194742634570d3925d5c05a0b48e86ab1d6edc800bd9c3018ba3a3691b7ac9dff0

    • SSDEEP

      6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ4Q:EeGUA5YZazpXUmZhPQ

    Score
    10/10
    nanocorediscoveryevasionkeyloggerpersistencespywarestealertrojan

    • 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