General

  • Target

    http://roblox.com

  • Sample

    230410-z23hksgc82

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>LNYaQ52CvcC7LwEUfG+ds/nb3VqUWkDjDhgKHCdjJlrLULeHxps29qA1rTUrcPhB1aasriBqRatF3+wOT41pb4Na51TTKajUrM1rkeM7SEIhhkOmZZpoWiTAB5jAogK1OsJtBq2N5MfFRvq38cuK8tEQcCJsszVSMrDvKDHotMLs8ePqq+9meveV7o6oCZAl1QaL7TGA6z+de6LcwelwNLkbwyfwf3gV4z0RX+gUoHdZiiPKzlnJRBpAyjJip4NZ8Va8J9UhUPv/2UwUN2DWMs871HZ5emPzxzC+bxjfEGAw/X+mzwcAjJY12UiRqj/JJpqSlpuXyxnYHn9XwanEdg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      http://roblox.com

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v6

Tasks