# UNC5142

> As of 2026-08-26, UNC5142 is a threat actor tracked by Threadlinqs Intelligence across 2 threats spanning malware. Also known as ClearFake. ATT&CK coverage spans 50 techniques across 11 tactics in 2 of 2 tracked threats. Most-observed techniques: T1005 (Data from Local System), T1027 (Obfuscated Files or Information), T1041 (Exfiltration Over C2 Channel).

- **Tracked threats:** 2
- **Categories:** MALWARE
- **Also known as:** ClearFake
- **As of:** 2026-08-26

## ATT&CK techniques observed

50 techniques observed across 2 of 2 tracked threats. Tactics: Stealth (formerly Defense Evasion) (16), Command and Control (7), Discovery (6), Execution (6), Resource Development (4), Credential Access (3).

- [T1005](https://intel.threadlinqs.com/technique/T1005) Data from Local System — Collection — observed in 2 of 2 tracked threats
- [T1027](https://intel.threadlinqs.com/technique/T1027) Obfuscated Files or Information — Stealth (formerly Defense Evasion) — observed in 2 of 2 tracked threats
- [T1041](https://intel.threadlinqs.com/technique/T1041) Exfiltration Over C2 Channel — Exfiltration — observed in 2 of 2 tracked threats
- [T1071.001](https://intel.threadlinqs.com/technique/T1071.001) Web Protocols — Command and Control — observed in 2 of 2 tracked threats
- [T1082](https://intel.threadlinqs.com/technique/T1082) System Information Discovery — Discovery — observed in 2 of 2 tracked threats
- [T1140](https://intel.threadlinqs.com/technique/T1140) Deobfuscate/Decode Files or Information — Stealth (formerly Defense Evasion) — observed in 2 of 2 tracked threats
- [T1539](https://intel.threadlinqs.com/technique/T1539) Steal Web Session Cookie — Credential Access — observed in 2 of 2 tracked threats
- [T1583.006](https://intel.threadlinqs.com/technique/T1583.006) Acquire Infrastructure: Web Services — Resource Development — observed in 2 of 2 tracked threats
- [T1008](https://intel.threadlinqs.com/technique/T1008) Fallback Channels — Command and Control — observed in 1 of 2 tracked threats
- [T1016](https://intel.threadlinqs.com/technique/T1016) System Network Configuration Discovery — Discovery — observed in 1 of 2 tracked threats
- [T1016.001](https://attack.mitre.org/techniques/T1016/001/) Internet Connection Discovery — Discovery — observed in 1 of 2 tracked threats
- [T1027.013](https://intel.threadlinqs.com/technique/T1027.013) Encrypted/Encoded File — Stealth (formerly Defense Evasion) — observed in 1 of 2 tracked threats
- [T1036](https://intel.threadlinqs.com/technique/T1036) Masquerading — 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
- [T1055.003](https://attack.mitre.org/techniques/T1055/003/) Thread Execution Hijacking — Stealth (formerly Defense Evasion) — observed in 1 of 2 tracked threats

## Tracked threats

- [ClearFake EtherHiding on BNB Smart Chain Testnet — Smart Contract C2 Delivering SectopRAT + ACRStealer via ClickFix Fake-CAPTCHA](https://intel.threadlinqs.com/threat/TL-2026-0592) — HIGH
- [UNC5142 EtherHiding: BNB Smart Chain-Based Malware Distribution via Compromised WordPress Sites](https://intel.threadlinqs.com/threat/TL-2026-1512) — HIGH

## 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/UNC5142