General

  • Target

    http://Google.com

  • Sample

    240419-schnjsgb4z

Malware Config

Extracted

Path

C:\Program Files\7-Zip\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>IPmhBHEN4hlHz4KjDCYP2dp2uJucWQNRiRKGCNvAzDWbmRqelX6jgc9covbcrDNi/XLnPFeT9CIr6fIlJzT3VO2nu2eFzqy/cjWUWZVrdbWPprcoELullQZkkfgHrisSLlg1ndSTBcDVwjdQmwEK+kx4XJnBqKYAqBw0YsZwdXW4SDXnNQM6xl1FyLhP+UWcpuHz5tO9VxjWlZQXGBUaB8moJ/bEI/rqw0+zcsT3vuescvwcpMvirjY09g/SRcSUMpovltNyZ/tLYge0Gw37jpRqrL/lWVDWa1WF2vTQ+zRd88lWO6HF2YH9wz8oz96wnzIdkC0gEXMp9+Qr0UQ1zQ==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      http://Google.com

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • Renames multiple (1016) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks