AuditTeam

MITRE ATT&CK does not currently catalogue AuditTeam, 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: AuditTeam executes PowerShell scripts to stage payloads and manipulate system processes.

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

2. T1106 Native API Execution

   What they do: AuditTeam leverages native API calls to interact with Windows services and evade detection.

   What that means: Adversaries may interact with the native OS application programming interface (API) to execute behaviors.

3. T1547.001 Registry Run Keys / Startup Folder PersistencePrivilege Escalation

   What they do: AuditTeam modifies Registry Run Keys to ensure persistence across reboots.

   What that means: Adversaries may achieve persistence by adding a program to a startup folder or referencing it with a Registry run key.

4. T1685 Disable or Modify Tools Defense Impairment

   What they do: AuditTeam disables antivirus tools and security software to prevent system recovery attempts.

   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.

5. T1027.013 Encrypted/Encoded File Stealth

   What they do: AuditTeam encrypts victim files using encoded data streams to maximize impact.

   What that means: Adversaries may encrypt or encode files to obfuscate strings, bytes, and other specific patterns to impede detection.

6. T1070.004 File Deletion Stealth

   What they do: AuditTeam performs file deletion to remove evidence and disable backup mechanisms.

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

7. T1057 Process Discovery Discovery

   What they do: AuditTeam uses process discovery to identify critical system processes for targeted disruption.

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

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

   What they do: AuditTeam exploits SMB/Windows Admin Shares for lateral movement across networked systems.

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

9. T1567.002 Exfiltration to Cloud Storage Exfiltration

   What they do: AuditTeam exfiltrates sensitive data via C2 channels to increase ransom demands.

   What that means: Adversaries may exfiltrate data to a cloud storage service rather than over their primary command and control channel.

10. T1486 Data Encrypted for Impact Impact

    What they do: AuditTeam encrypts critical data files for impact, holding encrypted content as leverage.

    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.

11. T1490 Inhibit System Recovery Impact

    What they do: AuditTeam invokes Inhibit System Recovery techniques to block volume shadow copy restoration.

    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.

====================================================================
[ AUDIT LOG: SEVERE INFRASTRUCTURE COMPROMISE VERIFIED ]
====================================================================

ATTN: Executive Management and Legal Compliance Teams

This notice serves as absolute cryptographic proof that your network 
defenses have been fully bypassed. We have acquired extensive archives 
of your corporate data, internal communications, and protected records.

Your failure to implement adequate security controls is now a severe 
liability for your board of directors and stakeholders.

[ CURRENT STATUS ]
Your entity is currently operating within a private Remediation Window 
on our DATA EXPOSURE LOGS. 

You have two options:

OPTION A (REMEDIATION): 
Access our secure portal, initiate contact, and pay the Audit & 
Consulting fee. We will permanently purge the acquired data and provide 
a report on your vulnerabilities. Your reputation and compliance status 
remain intact.

OPTION B (PUBLIC TRANSPARENCY): 
Ignore this notice. Once the countdown expires, we will release the 
entire data archive to the public internet. We will also directly 
notify your clients, partners, and regulatory oversight bodies of 
your negligence. Prepare for massive statutory fines and lawsuits.

1. Download and install the Tor Browser:
   https://www.torproject.org/

2. Open the Tor Browser and enter the following address:
http://6tdqqaxftvradka5d2frzgwixis7fmro7rfh4ettzcx7jfapkebe6jad.onion

3. Use your Audit ID to contact us: [snip]

The decision belongs to your executive board. Disclosure is imminent.
====================================================================

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