Overview

overview

10

Static

static

6819b6f91d...e0.exe

windows7-x64

10

6819b6f91d...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6819b6f91d5942adfec4eaab33ed2d468a050dc91274c210545ec57aa9aae2e0

  • Size

    306KB

  • Sample

    221126-25zxzaca96

  • MD5

    96e1a7ce16e8c0883c092dc085ade0ee

  • SHA1

    83a790b2a645deb4566901f57a98c465685e972d

  • SHA256

    6819b6f91d5942adfec4eaab33ed2d468a050dc91274c210545ec57aa9aae2e0

  • SHA512

    20aa66eb2883691be1d3bf94c5b63482b2d9c8fe8427cc2d8c58ca4833d26e0c3ab3068d6f059159a8db3c0ab92cd46e7ad7864a5865fcb51bff1c7285d0bd61

  • SSDEEP

    6144:M3t3X7cmgQNegW+Hw8jGSA3FPFpX9eCSWAqXr2WQfXr61muU:sX7cmvWqsFDeCSWpB

Score
10/10
nanocoreevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.1.1

C2

103.25.58.220:72

Mutex

a12f511d-4b09-4b1c-bce0-1f3be91c147f

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

  • buffer_size

    65535

  • build_time

    2014-10-22T21:36:34.307109236Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    72

  • default_group

    Testers

  • 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

    a12f511d-4b09-4b1c-bce0-1f3be91c147f

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    103.25.58.220

  • 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

    1.2.1.1

  • wan_timeout

    8000

Targets

    • Target

      6819b6f91d5942adfec4eaab33ed2d468a050dc91274c210545ec57aa9aae2e0

    • Size

      306KB

    • MD5

      96e1a7ce16e8c0883c092dc085ade0ee

    • SHA1

      83a790b2a645deb4566901f57a98c465685e972d

    • SHA256

      6819b6f91d5942adfec4eaab33ed2d468a050dc91274c210545ec57aa9aae2e0

    • SHA512

      20aa66eb2883691be1d3bf94c5b63482b2d9c8fe8427cc2d8c58ca4833d26e0c3ab3068d6f059159a8db3c0ab92cd46e7ad7864a5865fcb51bff1c7285d0bd61

    • SSDEEP

      6144:M3t3X7cmgQNegW+Hw8jGSA3FPFpX9eCSWAqXr2WQfXr61muU:sX7cmvWqsFDeCSWpB

    Score
    10/10
    nanocoreevasionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 v6

Tasks