# CUBA

> As of 2026-05-30, CUBA is a threat actor tracked by Threadlinqs Intelligence across 2 threats spanning vulnerability, malware. ATT&CK coverage spans 37 techniques across 13 tactics in 2 of 2 tracked threats. Most-observed techniques: T1068 (Exploitation for Privilege Escalation), T1486 (Data Encrypted for Impact), T1003 (OS Credential Dumping).

- **Tracked threats:** 2
- **Categories:** VULNERABILITY, MALWARE
- **As of:** 2026-05-30

## ATT&CK techniques observed

37 techniques observed across 2 of 2 tracked threats. Tactics: Execution (5), Stealth (formerly Defense Evasion) (5), Credential Access (4), Defense Impairment (4), Discovery (4), Impact (4).

- [T1068](https://intel.threadlinqs.com/technique/T1068) Exploitation for Privilege Escalation — Privilege Escalation — observed in 2 of 2 tracked threats
- [T1486](https://intel.threadlinqs.com/technique/T1486) Data Encrypted for Impact — Impact — observed in 2 of 2 tracked threats
- [T1003](https://intel.threadlinqs.com/technique/T1003) OS Credential Dumping — Credential Access — observed in 1 of 2 tracked threats
- [T1003.001](https://intel.threadlinqs.com/technique/T1003.001) LSASS Memory — Credential Access — observed in 1 of 2 tracked threats
- [T1014](https://intel.threadlinqs.com/technique/T1014) Rootkit — Stealth (formerly Defense Evasion) — observed in 1 of 2 tracked threats
- [T1018](https://intel.threadlinqs.com/technique/T1018) Remote System Discovery — Discovery — observed in 1 of 2 tracked threats
- [T1021](https://intel.threadlinqs.com/technique/T1021) Remote Services — Lateral Movement — observed in 1 of 2 tracked threats
- [T1021.002](https://intel.threadlinqs.com/technique/T1021.002) SMB/Windows Admin Shares — Lateral Movement — observed in 1 of 2 tracked threats
- [T1027](https://intel.threadlinqs.com/technique/T1027) Obfuscated Files or Information — Stealth (formerly Defense Evasion) — observed in 1 of 2 tracked threats
- [T1036.005](https://intel.threadlinqs.com/technique/T1036.005) Match Legitimate Resource Name or Location — Stealth (formerly Defense Evasion) — observed in 1 of 2 tracked threats
- [T1046](https://intel.threadlinqs.com/technique/T1046) Network Service Discovery — Discovery — observed in 1 of 2 tracked threats
- [T1057](https://intel.threadlinqs.com/technique/T1057) Process Discovery — Discovery — observed in 1 of 2 tracked threats
- [T1059](https://intel.threadlinqs.com/technique/T1059) Command and Scripting Interpreter — Execution — observed in 1 of 2 tracked threats
- [T1059.001](https://intel.threadlinqs.com/technique/T1059.001) PowerShell — Execution — observed in 1 of 2 tracked threats
- [T1059.003](https://intel.threadlinqs.com/technique/T1059.003) Windows Command Shell — Execution — observed in 1 of 2 tracked threats

## Tracked threats

- [Veeam Backup & Replication 8 Critical Vulnerabilities — Domain User to Backup Server RCE (CVE-2026-21666, CVE-2026-21667, CVE-2026-21669, CVE-2026-21708)](https://intel.threadlinqs.com/threat/TL-2026-0232) — CRITICAL
- [BYOVD EDR Killer Tooling — Ransomware Groups Weaponizing Signed Kernel Drivers to Blind Endpoint Detection](https://intel.threadlinqs.com/threat/TL-2026-0091) — HIGH

## Related CVEs

9 CVEs referenced by tracked CUBA activity.

- [CVE-2026-21708](https://intel.threadlinqs.com/cve/CVE-2026-21708)
- [CVE-2026-21672](https://intel.threadlinqs.com/cve/CVE-2026-21672)
- [CVE-2026-21671](https://intel.threadlinqs.com/cve/CVE-2026-21671)
- [CVE-2026-21670](https://intel.threadlinqs.com/cve/CVE-2026-21670)
- [CVE-2026-21669](https://intel.threadlinqs.com/cve/CVE-2026-21669)
- [CVE-2026-21668](https://intel.threadlinqs.com/cve/CVE-2026-21668)
- [CVE-2026-21667](https://intel.threadlinqs.com/cve/CVE-2026-21667)
- [CVE-2026-21666](https://intel.threadlinqs.com/cve/CVE-2026-21666)
- [CVE-2015-2291](https://intel.threadlinqs.com/cve/CVE-2015-2291)

## Full data

Infrastructure, IOC values and detection queries (Splunk SPL / Microsoft KQL / Sigma) require the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp

Canonical: https://intel.threadlinqs.com/actor/CUBA