General

  • Target
    1.bat
  • Size 9KB
  • Sample261011-ryecksszf1
  • SHA256 083e787368265cbe96ce0ee974d2abe80c865080ecc60a0676c312070fd54daa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      1.bat
    • Size 9KB
    • SHA256 083e787368265cbe96ce0ee974d2abe80c865080ecc60a0676c312070fd54daa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: CrypVault

      Ransomware family which makes encrypted files look like they have been quarantined by AV.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Clears Windows event logs

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to get system information as a root user.

    • Modifies Windows Firewall

    • 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.

    • Adds Run key to start application

    • Modifies powershell logging option

MITRE ATT&CK Enterprise v16

Tasks