General

  • Target
    script.ps1
  • Size 1KB
  • Sample260822-1gb1kavset
  • SHA256 b20c8474cd5790763ba07b674ee2715c2f39e645078509fa16ce42b486543299
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://github.com/harrcest28-cell/xbE1/releases/download/ud/ransom.exe

Extracted

Path
  • C:\Users\Admin\Desktop\DARKSIDE_README.html

Ransom Note
  • DARKSIDE RANSOMWARE YOUR FILES HAVE BEEN ENCRYPTED WITH AES-256 Victim ID: TO RECOVER YOUR FILES: Send 0.05 BTC to: Visit: https://freedom.wisp.uno/?id=VYVF1IVJTI0A7148 WARNING: Do NOT attempt decryption manually! Support: [email protected]
URLs
  • https://freedom.wisp.uno/?id=VYVF1IVJTI0A7148

Targets

    • Target
      script.ps1
    • Size 1KB
    • SHA256 b20c8474cd5790763ba07b674ee2715c2f39e645078509fa16ce42b486543299
    • MD5 SHA1 SHA512 TLSH
    • Modifies Windows Defender DisableAntiSpyware settings

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Badlisted process makes network request

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

    • Downloads MZ/PE file

    • 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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks