General

  • Target
    test.exe
  • Size 95KB
  • Sample261104-vrz79aes2n
  • SHA256 92ed7e13c812fc9d6fa885f8fa936296f7eb2981ffb1f4245325e64efdd24e2b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • HackerVN

Mutex
  • QQV8TcDluZA9

Attributes
aes.plain

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://68gbcom.co/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://au88au88.online/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://au88.com/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://1au88.pro/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://e39n.com/load.ps1

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://e390a.com/load.ps1

Targets

    • Target
      test.exe
    • Size 95KB
    • SHA256 92ed7e13c812fc9d6fa885f8fa936296f7eb2981ffb1f4245325e64efdd24e2b
    • 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