Overview

overview

10

Static

static

10

nanorat.exe

windows10-2004-x64

10

nanorat.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    nanorat.exe
  • Size 45KB
  • Sample260817-cx4hrasalf
  • SHA256 cfaed1e84cded347727f04ea7f9a3f3b822cfeb33581eb29a4c6d79865822472
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • elsuenosoest.nl/vi-vn/:80

  • elsuenosoest.nl/vi-vn/:8080

  • elsuenosoest.nl/vi-vn/:443

  • elsuenosoest.nl/vi-vn/:8443

  • elsuenosoest.nl/vi-vn/:6606

  • elsuenosoest.nl/vi-vn/:22

  • na-helper.ninja/vn/:80

  • na-helper.ninja/vn/:8080

  • na-helper.ninja/vn/:443

  • na-helper.ninja/vn/:8443

  • na-helper.ninja/vn/:6606

  • na-helper.ninja/vn/:22

Mutex

  • bQ5yS1DRwFci

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      nanorat.exe
    • Size 45KB
    • SHA256 cfaed1e84cded347727f04ea7f9a3f3b822cfeb33581eb29a4c6d79865822472
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

    • Async RAT payload

      rat

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks