General

  • Target

    error.png

  • Size

    95KB

  • Sample

    231126-xaftdsbb9z

  • MD5

    d15d185040644f380dcee30d8093a8fa

  • SHA1

    03b6c33fdc59a2acd4da06eb39e4d650d2458f45

  • SHA256

    49f91777deb39c4491134663519df906466b07a82c440c4109cdc3101a46f886

  • SHA512

    01c89cbf6a5100bf5e27326ab3571e0ddc99f55cbe525cf51ef4e9a7c4e12d9cc438e302adfcd8c3ebed73278fc3302e030a2ecf5e9984ad38023d8aed2335cb

  • SSDEEP

    1536:hskk94Tvbju3a2Y0HrBo9OhFojFJ8NauGU3XCRN5GOGJvXNUQ14n50z:hrvbjTJ0loAhmjn8NafMXUT+1UQ+n50z

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>WE4f97/m9JOGWp9wRvSErQZz27l2RVK1SDDDp91yHlmVI6shrmTHTbUR4xJ/XTaFy0dzPg39DoZfLb8KJ5ce9wW6bJmT+MWZv/2HRUzYmx4dzPlSsb1dC+JA8P90oOZMJk5gSuN2rVMdeS+MeLajQJXXhtdGqoaYhnr+wdtI6DNhxiBly2PtUe+M460LwjvJ8k8uIBSTsAGTaCtTvMh0m5GVUR5R5PuKESefw5YN2WCBT699MzEYAylmtjjq31gDRRcMe15jwL/8hptVhquukxEiFTiqFYp/8TE5ZffIndUsGKmVL2d3/HAoNYSTMYluePnxipK6cQfZNSrhuWRzdQ==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      error.png

    • Size

      95KB

    • MD5

      d15d185040644f380dcee30d8093a8fa

    • SHA1

      03b6c33fdc59a2acd4da06eb39e4d650d2458f45

    • SHA256

      49f91777deb39c4491134663519df906466b07a82c440c4109cdc3101a46f886

    • SHA512

      01c89cbf6a5100bf5e27326ab3571e0ddc99f55cbe525cf51ef4e9a7c4e12d9cc438e302adfcd8c3ebed73278fc3302e030a2ecf5e9984ad38023d8aed2335cb

    • SSDEEP

      1536:hskk94Tvbju3a2Y0HrBo9OhFojFJ8NauGU3XCRN5GOGJvXNUQ14n50z:hrvbjTJ0loAhmjn8NafMXUT+1UQ+n50z

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Renames multiple (266) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Manipulates Digital Signatures

      Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks