General

  • Target
    d86efeddd08c9588dc0981be08ab977eaa2bbd4e5c240277965f34ba4bca01d0.exe
  • Size 534KB
  • Sample260702-vc2grsfs9l
  • SHA256 d86efeddd08c9588dc0981be08ab977eaa2bbd4e5c240277965f34ba4bca01d0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://rdpftpower.com/ftpower/ftpower2/autoejecutor.vbs

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://rdpftpower.com/ftpower/ftpower2/ftpower.bat

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://calculadorazt.com/contador1/actualizador.vbs

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://calculadorazt.com/contador1/miapp.exe

Extracted

Family
  • asyncrat

Version
  • 1.0.7

Botnet
  • 5 NoW

C2
  • 146.70.49.42:7080

Mutex
  • ygjgykgjftjtyurtsgjgdhsiufsgefukuejs

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      d86efeddd08c9588dc0981be08ab977eaa2bbd4e5c240277965f34ba4bca01d0.exe
    • Size 534KB
    • SHA256 d86efeddd08c9588dc0981be08ab977eaa2bbd4e5c240277965f34ba4bca01d0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AsyncRat

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

    • Badlisted process makes network request

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

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks