Overview

overview

10

Static

static

10

upgrade.exe

windows10-2004-x64

10

upgrade.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    upgrade.exe
  • Size 112KB
  • Sample261102-p3kn2sfb62
  • SHA256 8a9c3f8187497cdd1eb45c4718382a458934af2e08dd29547257d75cd12b924a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • fulhamdrycleaners.co.uk:443

  • fulhamdrycleaners.co.uk:80

  • fulhamdrycleaners.co.uk:22

  • fulhamdrycleaners.co.uk:3306

  • fulhamdrycleaners.co.uk:21

  • fulhamdrycleaners.co.uk:5900

  • api.fulhamdrycleaners.co.uk:443

  • api.fulhamdrycleaners.co.uk:80

  • api.fulhamdrycleaners.co.uk:22

  • api.fulhamdrycleaners.co.uk:3306

  • api.fulhamdrycleaners.co.uk:21

  • api.fulhamdrycleaners.co.uk:5900

  • www.fulhamdrycleaners.co.uk:443

  • www.fulhamdrycleaners.co.uk:80

  • www.fulhamdrycleaners.co.uk:22

  • www.fulhamdrycleaners.co.uk:3306

  • www.fulhamdrycleaners.co.uk:21

  • www.fulhamdrycleaners.co.uk:5900

Mutex

  • K5NJzfq5dpiW

Attributes
  • delay

    3

  • install

    true

  • install_file

    upgrade.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      upgrade.exe
    • Size 112KB
    • SHA256 8a9c3f8187497cdd1eb45c4718382a458934af2e08dd29547257d75cd12b924a
    • 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