Doommageddon

MITRE ATT&CK does not currently catalogue Doommageddon, so this is our assessment of the techniques it uses, drawn from public reporting. The techniques themselves, and every "what that means" definition below, come from MITRE ATT&CK v19.2. Confidence: low. Treat it as orientation, not attribution.

1. T1059.001 PowerShell Execution

   What they do: Doommageddon executes malicious payloads via PowerShell to stage ransomware components across targeted machines.

   What that means: Adversaries may abuse PowerShell commands and scripts for execution.

2. T1685 Disable or Modify Tools Defense Impairment

   What they do: Doommageddon disables security tools like EDR and AV by terminating processes or modifying service configurations.

   What that means: Adversaries may disable, degrade, or tamper with security tools or applications (e.g., endpoint detection and response (EDR) tools, intrusion detection systems (IDS), antivirus, logging agents, sensors, etc.) to impair or reduce visibility of defensive capabilities.

3. T1070.004 File Deletion Stealth

   What they do: Doommageddon deletes Volume Shadow Copies and backup directories to prevent data recovery.

   What that means: Adversaries may delete files left behind by the actions of their intrusion activity.

4. T1497.001 System Checks StealthDiscovery

   What they do: Doommageddon performs system checks to detect offline hosts or recovery mechanisms before deploying ransomware.

   What that means: Adversaries may employ various system checks to detect and avoid virtualization and analysis environments.

5. T1083 File and Directory Discovery Discovery

   What they do: Doommageddon uses file and directory discovery to map victim systems and identify critical data for encryption.

   What that means: Adversaries may enumerate files and directories or may search in specific locations of a host or network share for certain information within a file system.

6. T1560.001 Archive via Utility Collection

   What they do: Doommageddon archives victim data via utility commands prior to exfiltration for extortion leverage.

   What that means: Adversaries may use utilities to compress and/or encrypt collected data prior to exfiltration.

7. T1486 Data Encrypted for Impact Impact

   What they do: Doommageddon encrypts victim files using strong symmetric encryption to hold data hostage for ransom.

   What that means: Adversaries may encrypt data on target systems or on large numbers of systems in a network to interrupt availability to system and network resources.

8. T1490 Inhibit System Recovery Impact

   What they do: Doommageddon inhibits system recovery by corrupting restore points and disabling backup services.

   What that means: Adversaries may delete or remove built-in data and turn off services designed to aid in the recovery of a corrupted system to prevent recovery.

The note this group leaves on a compromised machine. Click a filename to read it.

YOUR FILES HAVE BEEN ENCRYPTED

All your important files have been encrypted using RSA-2048 encryption.
Attempting to decrypt files without the private key will result in permanent data loss.

TO RECOVER YOUR FILES:
1. Contact us via Session app. You can download it from here, it's free and secure: https://getsession.org
2. Contact us with this ID: 05bd51745f37597905bc59249cff25569c357296ede1b0d2214215a09b6448816e
3. Provide your unique ID: [SNIP]


WARNING:
- Do not modify encrypted files
- Do not attempt to use recovery tools. This will cause the files to be permanently destroyed.

Onion Link: http://iacjvmxjb2ivqkxxzmde4w6g53gn6ym7c3g6mfifvejyhqtp4wrkypyd.onion

Ransom-note text from RansomLook, licensed CC BY 4.0.