Overview

overview

10

Static

static

3

74b1e1ff77...7N.exe

windows7-x64

10

74b1e1ff77...7N.exe

windows10-2004-x64

10

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General

  • Target

    74b1e1ff778cc1eb62235985b0c25a3ebdc1f36b76610d5fb42840e1af8c65f7N.exe

  • Size

    279KB

  • Sample

    241231-kj3y3avkgr

  • MD5

    b9f4042ddb17c8bbc86343cf1350a710

  • SHA1

    c76cee0cde4e021fba79849dcff4045e046d584c

  • SHA256

    74b1e1ff778cc1eb62235985b0c25a3ebdc1f36b76610d5fb42840e1af8c65f7

  • SHA512

    55bcca336a6713ea1318c84aa94c01459497007b098cfc87b8e8ec558ea182985475c31f22116d9d678b0fddac699a309c827d7dc950e09844cf12a0339caa45

  • SSDEEP

    6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fr:boSeGUA5YZazpXUmZhZ6z

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

      74b1e1ff778cc1eb62235985b0c25a3ebdc1f36b76610d5fb42840e1af8c65f7N.exe

    • Size

      279KB

    • MD5

      b9f4042ddb17c8bbc86343cf1350a710

    • SHA1

      c76cee0cde4e021fba79849dcff4045e046d584c

    • SHA256

      74b1e1ff778cc1eb62235985b0c25a3ebdc1f36b76610d5fb42840e1af8c65f7

    • SHA512

      55bcca336a6713ea1318c84aa94c01459497007b098cfc87b8e8ec558ea182985475c31f22116d9d678b0fddac699a309c827d7dc950e09844cf12a0339caa45

    • SSDEEP

      6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fr:boSeGUA5YZazpXUmZhZ6z

    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