General

  • Target
    ok.exe
  • Size 112KB
  • Sample261110-vf7sysvzax
  • SHA256 5cdd696fbfb34af9365a09f213f606f33b79b061578a77fd1d98e05889ade685
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • 8kbet botnet

Mutex
  • rJMWYSWBKOjx

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://mevideo.co/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://member.betvice.co/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://digitalconsulting.techvmc.co.in/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://b52club.bio/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://88clb.limited/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://bigslot855.vip/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://xx8.loans/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://tga95.games/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://member.noboncos.co/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://whatsapp-group.dostbook.in/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://mparivahan.digilockers.in/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://help.eselfmade.in/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://e390a.com/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://nmk.yosusai.in/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://x41t3.buzz/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://luck8vn.co.com/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://x88-nhacai.site/load.ps1

Targets

    • Target
      ok.exe
    • Size 112KB
    • SHA256 5cdd696fbfb34af9365a09f213f606f33b79b061578a77fd1d98e05889ade685
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AsyncRat

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

    • Modifies WinLogon for persistence

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Registers new Windows logon scripts automatically executed at logon.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v16

Tasks