General

  • Target
    64d041ec7f0f29dec8a8fd7d8d2c4e0f280177110999f45494c04565a91ee995.bin
  • Size 7.7MB
  • Sample260924-ds4hmacg98
  • SHA256 64d041ec7f0f29dec8a8fd7d8d2c4e0f280177110999f45494c04565a91ee995
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • k5avae08z3.localto.net:3048:6606

  • k5avae08z3.localto.net:3048:7707

  • k5avae08z3.localto.net:3048:8808

  • k5avae08z3.localto.net:3048:3048

Mutex
  • Q5piaBpnh4Xv

Attributes
  • delay

    3

  • install

    true

  • install_file

    BrowserCore.exe

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

aes.plain

Targets

    • Target
      64d041ec7f0f29dec8a8fd7d8d2c4e0f280177110999f45494c04565a91ee995.bin
    • Size 7.7MB
    • SHA256 64d041ec7f0f29dec8a8fd7d8d2c4e0f280177110999f45494c04565a91ee995
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Async RAT payload

    • Family: AsyncRat

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

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v16

Tasks