Overview

overview

10

Static

static

3

BRATA RAT.exe

windows7-x64

10

BRATA RAT.exe

windows10-1703-x64

10

BRATA RAT.exe

windows10-2004-x64

10

BRATA RAT.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    BRATA RAT.exe

  • Size

    146.1MB

  • Sample

    240722-m22vtsvcln

  • MD5

    c5c76f77976da2ccd23ba3715e2ac74b

  • SHA1

    0c899c7d506c0b5bdc5084eb0e076b31b3395f87

  • SHA256

    1d7f9797b154c22bb680fed0046fa5c0a985c2067fd5c0af2449787440dcb3bc

  • SHA512

    8a8fa2710db0143706e1417a97b1ce334c9cffac50a6c1ec5d1cc607b00320687ad9a27e89fcb3a6362b46a9b7d4caafb96048a49582feca1fbb62425272befb

  • SSDEEP

    3145728:Iwwgwv63EGCpwwcRnLh5b2gZ2NKfAqIc1A5ggPILV+:Iw9xEGCcnLv2Yf9I6AhIB+

Score
10/10
nanocoreevasionexecutionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

nibiru33.duckdns.org:5555

nibiru3333.duckdns.org:5555
Mutex

03faf241-d587-4166-af00-4f9bcaea1ade

Attributes
  • activate_away_mode

    false

  • backup_connection_host

    nibiru3333.duckdns.org

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2023-05-13T17:22:32.893409436Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    false

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    5555

  • default_group

    .........AFINAL

  • 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

    03faf241-d587-4166-af00-4f9bcaea1ade

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    nibiru33.duckdns.org

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    false

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Targets

    • Target

      BRATA RAT.exe

    • Size

      146.1MB

    • MD5

      c5c76f77976da2ccd23ba3715e2ac74b

    • SHA1

      0c899c7d506c0b5bdc5084eb0e076b31b3395f87

    • SHA256

      1d7f9797b154c22bb680fed0046fa5c0a985c2067fd5c0af2449787440dcb3bc

    • SHA512

      8a8fa2710db0143706e1417a97b1ce334c9cffac50a6c1ec5d1cc607b00320687ad9a27e89fcb3a6362b46a9b7d4caafb96048a49582feca1fbb62425272befb

    • SSDEEP

      3145728:Iwwgwv63EGCpwwcRnLh5b2gZ2NKfAqIc1A5ggPILV+:Iw9xEGCcnLv2Yf9I6AhIB+

    Score
    10/10
    nanocoreevasionexecutionkeyloggerpersistencespywarestealertrojan

    • NanoCore

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

      keyloggertrojanstealerspywarenanocore

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks