Exitium

MITRE ATT&CK does not currently catalogue Exitium, 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: medium. Treat it as orientation, not attribution.

1. T1059.001 PowerShell Execution

   What they do: exitium executes PowerShell scripts to stage payloads and manipulate system processes during initial compromise.

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

2. T1685 Disable or Modify Tools Defense Impairment

   What they do: exitium disables antivirus tools and modifies security software configurations to evade detection and persistence mechanisms.

   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: exitium deletes Volume Shadow Copies and backup directories via command-line utilities to prevent data recovery.

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

4. T1110 Brute Force Credential Access

   What they do: exitium brute-forces local accounts using credential lists to gain elevated access and persistence on victim machines.

   What that means: Adversaries may use brute force techniques to gain access to accounts when passwords are unknown or when password hashes are obtained.

5. T1057 Process Discovery Discovery

   What they do: exitium discovers running processes and system services to identify targets for process injection or service manipulation.

   What that means: Adversaries may attempt to get information about running processes on a system.

6. T1135 Network Share Discovery Discovery

   What they do: exitium scans network shares using native tools to map victim infrastructure and identify high-value files for encryption.

   What that means: Adversaries may look for folders and drives shared on remote systems as a means of identifying sources of information to gather as a precursor for Collection and to identify potential systems of interest for Lateral Movement.

7. T1021.002 SMB/Windows Admin Shares Lateral Movement

   What they do: exitium moves laterally across networks by exploiting SMB shares to copy payloads and access additional systems.

   What that means: Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

8. T1486 Data Encrypted for Impact Impact

   What they do: exitium encrypts victim files using custom symmetric encryption routines, targeting documents and system data for impact.

   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.

9. T1490 Inhibit System Recovery Impact

   What they do: exitium halts system recovery processes by terminating critical services and blocking restore mechanisms post-encryption.

   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.

10. T1491.001 Internal Defacement Impact

    What they do: exitium displays ransom notes and defaces web content on compromised systems to maximize disruption and pressure victims.

    What that means: An adversary may deface systems internal to an organization in an attempt to intimidate or mislead users, thus discrediting the integrity of the systems.

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

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Hello, Management!
Files from your infra have been encrypted by Exitium ransomware!

All data, including passports, IDs, employes, healthcare and other data has been encrypted and can be lost irrevocable!
CONTACT US WITHIN 168 HOURS OR YOUR FILES WILL STAY ENCRYPTED FOREVER
NO NEED TO TRY DELETE OR MODIFY ENCRYPTED FILES!
THIS WILL LEAD TO IMPOSSIBILITY OF FILE DECRYPTION

How to contact us:
1. Download Tox here - https://github.com/TokTok/qTox/releases/download/v1.18.3/setup-qtox-x86_64-release.exe
2. Go to 'Add Friend' and send request to this TOX_ID: 0932023CDBDC780B80B4772D22975C9AAD6D1A5921AA4C746C9E4851A307DE1888A6F56FDFBE
3. After you contact us we will start negotiations


Option of reporting to the FBI or police or any other service is pointless because they would not help you and forbid you paying the amount we are after.
This would momentarily lead to data loss and you will lose any chance of decryption.

From our side we guarantee that you will receive your data after payment because we are no hacktivists and not politically motivated.
We will leave the ransom, paying, negotiating process as a secret and will not expose this case to any public and remove your files from our storage.


OUR BLOG(Tor link): http://m3ksukzn2glzfdvlusohril7n3iyk4z4fudf6mm22lwhpbpt5aiee5qd.onion/
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Ransom-note text from RansomLook, licensed CC BY 4.0.