Resubmissions

02/04/2025, 19:27

250402-x56cjavmy3 3

02/04/2025, 19:14

250402-xxqxwasscz 3

02/04/2025, 19:09

250402-xt6h6avly3 10

02/04/2025, 19:03

250402-xqqnja11g1 10

02/04/2025, 19:00

250402-xnnfds11fw 6

General

  • Target

    http://google.com

  • Sample

    250402-xqqnja11g1

Malware Config

Extracted

Path

C:\PerfLogs\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>Qyrd0cUMVJxUSGhU9ykSDuw1zT5uVcfuLi973H1r1D5tlKp7eR/j+hNOooCUFYpGh4M6XVorzl/Dr/JFq98Z4wW5s3kB+oUGqej7Twubpr7CqfUUtgP1SYlHjK3c1x2R80jPSVrQivbiuaw6NadRUYLUMtcAi0FHhnFZmL9N2cW1UlwfX28ggRqa3qdQ4pgSkZg8zPvXVr1sOFk4NVeepq4bamaWfNYQgCnunWLLhuh1hqz0zrvCLBQNKXSTrjo+GwrxamXSErwR7fsQjlb0lEub3JMM/QSMxA/496MIZerkf676fNMs96iP5IwOmLDeOORBtlKP7oYUqUGOkf+KcA==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Badrabbit family

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Fantom family

    • InfinityLock Ransomware

      Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.

    • Infinitylock family

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Mimikatz family

    • Renames multiple (197) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • mimikatz is an open source tool to dump credentials on Windows

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks