General

  • Target
    Muco.exe
  • Size 49KB
  • Sample260831-jgwarser9w
  • SHA256 7b24fb576ef05d59cfa5680c3a2554b4fcb5052eb06394b649cdea1be9b59a35
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 789win.com.mx/vi-vn/:80

  • 789win.com.mx/vi-vn/:8080

  • 789win.com.mx/vi-vn/:443

  • 789win.com.mx/vi-vn/:8443

  • 789win.com.mx/vi-vn/:22

  • 789win.com.mx/vi-vn/:23

  • 789win.com.mx/vi-vn/:6606

  • 789win.com.mx/vi-vn/:5555

  • 789win29.autos/vi-vn/:80

  • 789win29.autos/vi-vn/:8080

  • 789win29.autos/vi-vn/:443

  • 789win29.autos/vi-vn/:8443

  • 789win29.autos/vi-vn/:22

  • 789win29.autos/vi-vn/:23

  • 789win29.autos/vi-vn/:6606

  • 789win29.autos/vi-vn/:5555

  • 789win123.com/vi-vn/:80

  • 789win123.com/vi-vn/:8080

  • 789win123.com/vi-vn/:443

  • 789win123.com/vi-vn/:8443

Mutex
  • B8yCkl7Vhrcz

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      Muco.exe
    • Size 49KB
    • SHA256 7b24fb576ef05d59cfa5680c3a2554b4fcb5052eb06394b649cdea1be9b59a35
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Async RAT payload

    • Family: AsyncRat

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

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v16

Tasks