General

  • Target
    ransom.exe
  • Size 77KB
  • Sample260822-n2wjgstfjc
  • SHA256 7bee4350ef419c10f97b8c150c992cb5668605eb7692c07d191ef081ffd67422
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\USERS\ADMIN\DESKTOP\DARKSIDE_README.TXT

Ransom Note
  • ================================================ DARKSIDE RANSOMWARE ================================================ YOUR FILES HAVE BEEN ENCRYPTED WITH AES-256 Victim ID: XC0A3KB3IVZ8FA3F TO RECOVER YOUR FILES: 1. Send 0.05 BTC to: bc1qc9maqr4h932vcj7utg8d6m3xxxv6vjn30uwagh 2. Visit: https://freedom.wisp.uno/?id=XC0A3KB3IVZ8FA3F YOUR DECRYPTION KEY: DECRYPTISUD WARNING: Do NOT attempt decryption manually! ================================================
URLs
  • https://freedom.wisp.uno/?id=XC0A3KB3IVZ8FA3F

Targets

    • Target
      ransom.exe
    • Size 77KB
    • SHA256 7bee4350ef419c10f97b8c150c992cb5668605eb7692c07d191ef081ffd67422
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Modifies Windows Defender DisableAntiSpyware settings

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (304) files with added filename extension

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

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Contacts third-party web service commonly abused for C2

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

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v16

Tasks