ULose

MITRE ATT&CK does not currently catalogue ULose, 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: ULose executes malicious payloads through PowerShell scripts to deploy ransomware binaries across targeted Engineering networks.

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

2. T1685 Disable or Modify Tools Defense Impairment

   What they do: ULose disables security tools by terminating antivirus processes and modifying Windows Defender policies to evade detection.

   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. T1027.013 Encrypted/Encoded File Stealth

   What they do: ULose encrypts victim files with encoded payloads stored in temporary directories to evade static detection scanners.

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

4. T1070.004 File Deletion Stealth

   What they do: ULose deletes Volume Shadow Copies and backup directories via vssadmin and built-in Windows commands to prevent recovery.

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

5. T1083 File and Directory Discovery Discovery

   What they do: ULose uses file and directory discovery via PowerShell to enumerate critical assets across Finance and Healthcare systems before 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. T1614.001 System Language Discovery Discovery

   What they do: ULose performs system language discovery to tailor encryption patterns for localized KR manufacturing and healthcare environments.

   What that means: Adversaries may attempt to gather information about the system language of a victim in order to infer the geographical location of that host.

7. T1560.001 Archive via Utility Collection

   What they do: ULose archives stolen data from Legal and Insurance client records using built-in utility commands prior to exfiltration.

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

8. T1486 Data Encrypted for Impact Impact

   What they do: ULose encrypts victim data using custom symmetric encryption routines targeting Finance and Insurance databases before demanding 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.

9. T1489 Service Stop Impact

   What they do: ULose stops critical Windows services like SQL Server and email systems via net stop commands to maximize operational disruption.

   What that means: Adversaries may stop or disable services on a system to render those services unavailable to legitimate users.

10. T1490 Inhibit System Recovery Impact

    What they do: ULose inhibits system recovery by corrupting restore points and disabling backup service processes on compromised KR infrastructure.

    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.