Resubmissions

23/05/2024, 05:33

240523-f8yy7afc8w10

22/05/2024, 19:39

240522-yc9d6adh9s10

22/05/2024, 19:09

240522-xtyhjsdb2110

22/05/2024, 19:06

240522-xscvfsda5y10

22/05/2024, 16:28

240522-tyxj9shb7z10

General

  • Target
    Inital.bat
  • Size 63KB
  • Sample240522-xtyhjsdb21
  • SHA256 09d4308c18ecece489a51b7837968bcfc6c1273d83f5c83614bbdd119ccf6961
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • RATED

C2
  • 147.185.221.17:25565

  • 147.185.221.17:37531

Mutex
  • Dudee4vQEqBD

Attributes
  • delay

    3

  • install

    false

  • install_file

    AnticheatBiner.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      Inital.bat
    • Size 63KB
    • SHA256 09d4308c18ecece489a51b7837968bcfc6c1273d83f5c83614bbdd119ccf6961
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

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

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks