# Daily Intelligence Briefing — Tuesday, September 1, 2026

> On 2026-09-01, Threadlinqs published 12 new threat reports and updated 8, 8 rated critical and 10 high, spanning 221 MITRE ATT&CK techniques and 10 named threat actors. Coverage that day added 180 new detection rules and 605 extracted indicators.

- **Edition:** 2026-09-01 (Tuesday)
- **Canonical:** https://intel.threadlinqs.com/debrief/2026-09-01
- **Last updated:** 2026-09-07
- **New threats:** 12 (8 updated)
- **Critical / high:** 8 critical, 10 high, 1 medium, 1 low
- **ATT&CK techniques:** 221
- **Threat actors:** 10
- **Indicators (count only):** 605
- **New detection rules (count only):** 180

## Summary & highlights

EtherHiding: Blockchain-Based C2 on Polygon Fuels ClickFix Backdoor + Banking-Trojan Extension Campaign Adopted by Criminal, North Korean, and Iran-Linked Actors. "Spring Ring" Vishing Campaign Abuses Microsoft Teams, Quick Assist, and PetitPotam for NTLM Relay. Aur0ra Ransomware Group: Xray-core C2 Tunneling, Aggressive Email Bombing, and Log-Wiping Double-Extortion Operations.

- [TL-2026-2273](https://intel.threadlinqs.com/threat/TL-2026-2273) — EtherHiding: Blockchain-Based C2 on Polygon Fuels ClickFix Backdoor + Banking-Trojan Extension Campaign Adopted by Criminal, North Korean, and Iran-Linked Actors
- [TL-2026-2276](https://intel.threadlinqs.com/threat/TL-2026-2276) — "Spring Ring" Vishing Campaign Abuses Microsoft Teams, Quick Assist, and PetitPotam for NTLM Relay
- [TL-2026-2278](https://intel.threadlinqs.com/threat/TL-2026-2278) — Aur0ra Ransomware Group: Xray-core C2 Tunneling, Aggressive Email Bombing, and Log-Wiping Double-Extortion Operations
- [TL-2026-2279](https://intel.threadlinqs.com/threat/TL-2026-2279) — Chinese-Speaking Threat Actors Deploy PanDa Android RAT Against Mexican Banking Users via Meta Ads Malvertising
- [TL-2026-2283](https://intel.threadlinqs.com/threat/TL-2026-2283) — Silver Fox Counterfeit Installer Campaign Delivers Persistent, Self-Protecting Implant via Spoofed Vendor Download Sites

## Theme of the day

Routine activity — no dominant theme emerged.

credential-theft, social-engineering, cisa-kev, clickfix, smb-lateral-movement

## Threats published

- [TL-2026-2266](https://intel.threadlinqs.com/threat/TL-2026-2266) — CRITICAL — BREEZE COMET (ex-UNC5669) Targets Brazilian Financial Infrastructure with AI-Assisted Custom Malware Suite
- [TL-2026-2270](https://intel.threadlinqs.com/threat/TL-2026-2270) — CRITICAL — CVE-2026-0768: Critical Langflow RCE Vulnerability Under Active Exploitation
- [TL-2026-2271](https://intel.threadlinqs.com/threat/TL-2026-2271) — CRITICAL — The Gentlemen RaaS (GOLD SHERWOOD / hastalamuerte): FortiGate/VPN Intrusion Chain, GentleKiller BYOVD EDR Killers, and Rclone Exfiltration
- [TL-2026-2285](https://intel.threadlinqs.com/threat/TL-2026-2285) — CRITICAL — ChainDrop/Mini Shai-Hulud npm Worm Compromises keyv, cacheable, and 400+ Downstream Packages via Ethereum-Resolved C2
- [TL-2026-2287](https://intel.threadlinqs.com/threat/TL-2026-2287) — CRITICAL — CVE-2026-82329: Critical JFrog Artifactory Authentication Bypass Exploited Days After Disclosure
- [TL-2026-0250](https://intel.threadlinqs.com/threat/TL-2026-0250) — CRITICAL — CVE-2026-33017: Langflow Unauthenticated RCE via Public Flow Build Endpoint — Active Exploitation Within 20 Hours (update)
- [TL-2026-1138](https://intel.threadlinqs.com/threat/TL-2026-1138) — CRITICAL — The Gentlemen Ransomware: Worm-Like Self-Propagation and Network-Wide Encryption via Storm-2697's RaaS Affiliate Program (update)
- [TL-2026-2172](https://intel.threadlinqs.com/threat/TL-2026-2172) — CRITICAL — Suspected Chinese-Speaking Threat Actor Exploits ownCloud and WordPress Flaws to Steal Philippine Nuclear and Naval Data (update)
- [TL-2026-2273](https://intel.threadlinqs.com/threat/TL-2026-2273) — HIGH — EtherHiding: Blockchain-Based C2 on Polygon Fuels ClickFix Backdoor + Banking-Trojan Extension Campaign Adopted by Criminal, North Korean, and Iran-Linked Actors
- [TL-2026-2276](https://intel.threadlinqs.com/threat/TL-2026-2276) — HIGH — "Spring Ring" Vishing Campaign Abuses Microsoft Teams, Quick Assist, and PetitPotam for NTLM Relay
- [TL-2026-2278](https://intel.threadlinqs.com/threat/TL-2026-2278) — HIGH — Aur0ra Ransomware Group: Xray-core C2 Tunneling, Aggressive Email Bombing, and Log-Wiping Double-Extortion Operations
- [TL-2026-2279](https://intel.threadlinqs.com/threat/TL-2026-2279) — HIGH — Chinese-Speaking Threat Actors Deploy PanDa Android RAT Against Mexican Banking Users via Meta Ads Malvertising
- [TL-2026-2283](https://intel.threadlinqs.com/threat/TL-2026-2283) — HIGH — Silver Fox Counterfeit Installer Campaign Delivers Persistent, Self-Protecting Implant via Spoofed Vendor Download Sites
- [TL-2026-2284](https://intel.threadlinqs.com/threat/TL-2026-2284) — HIGH — Sality P2P Botnet Disrupted by Law Enforcement and CrowdStrike via Peer-List Sinkholing
- [TL-2026-2286](https://intel.threadlinqs.com/threat/TL-2026-2286) — HIGH — FBI/IC3 PSA260901: OAuth Consent Phishing Campaign Targeting High-Profile Individuals via Commercial Messaging Apps
- [TL-2026-0625](https://intel.threadlinqs.com/threat/TL-2026-0625) — HIGH — Operation XENOFISCAL — SideCopy (Transparent Tribe / APT36 umbrella) Deploys Persistent Customized XenoRAT 1.8.7 Against the Afghanistan Ministry of Finance (update)
- [TL-2026-0920](https://intel.threadlinqs.com/threat/TL-2026-0920) — HIGH — macOS.Gaslight — DPRK-aligned Rust Backdoor & Infostealer with Analyst-Targeting Prompt-Injection Anti-Analysis (Telegram Bot API C2) (update)
- [TL-2026-2277](https://intel.threadlinqs.com/threat/TL-2026-2277) — HIGH — Backdoor.Mistic (MLTBackdoor): New Stealth Backdoor Linked to Woodgnat Ransomware Access Broker (update)
- [TL-2026-2280](https://intel.threadlinqs.com/threat/TL-2026-2280) — MEDIUM — Advanced Phishing Tradecraft: ClickFix, Browser-in-the-Browser, OAuth Consent, Device Code, and Fake Video-Conference Lures Bypass MFA and Security Awareness Training (update)
- [TL-2026-2275](https://intel.threadlinqs.com/threat/TL-2026-2275) — LOW — Five Venezuelan Nationals Plead Guilty in Failed Kansas ATM Jackpotting Plot (update)

## Techniques observed

[AML.T0051.001](https://intel.threadlinqs.com/technique/AML.T0051.001), [T1003](https://intel.threadlinqs.com/technique/T1003), [T1003.001](https://intel.threadlinqs.com/technique/T1003.001), T1003.004, [T1005](https://intel.threadlinqs.com/technique/T1005), [T1012](https://intel.threadlinqs.com/technique/T1012), [T1014](https://intel.threadlinqs.com/technique/T1014), [T1018](https://intel.threadlinqs.com/technique/T1018), [T1020](https://intel.threadlinqs.com/technique/T1020), [T1021](https://intel.threadlinqs.com/technique/T1021), [T1021.001](https://intel.threadlinqs.com/technique/T1021.001), [T1021.002](https://intel.threadlinqs.com/technique/T1021.002), [T1021.004](https://intel.threadlinqs.com/technique/T1021.004), [T1027](https://intel.threadlinqs.com/technique/T1027), [T1027.002](https://intel.threadlinqs.com/technique/T1027.002), T1027.011, [T1036](https://intel.threadlinqs.com/technique/T1036), [T1036.001](https://intel.threadlinqs.com/technique/T1036.001), [T1036.004](https://intel.threadlinqs.com/technique/T1036.004), [T1036.005](https://intel.threadlinqs.com/technique/T1036.005), [T1037.004](https://intel.threadlinqs.com/technique/T1037.004), [T1040](https://intel.threadlinqs.com/technique/T1040), [T1041](https://intel.threadlinqs.com/technique/T1041), [T1046](https://intel.threadlinqs.com/technique/T1046), [T1047](https://intel.threadlinqs.com/technique/T1047), [T1048](https://intel.threadlinqs.com/technique/T1048), [T1053](https://intel.threadlinqs.com/technique/T1053), [T1053.003](https://intel.threadlinqs.com/technique/T1053.003), [T1053.005](https://intel.threadlinqs.com/technique/T1053.005), [T1055](https://intel.threadlinqs.com/technique/T1055), [T1056.001](https://intel.threadlinqs.com/technique/T1056.001), [T1056.002](https://intel.threadlinqs.com/technique/T1056.002), [T1056.003](https://intel.threadlinqs.com/technique/T1056.003), [T1057](https://intel.threadlinqs.com/technique/T1057), [T1059](https://intel.threadlinqs.com/technique/T1059), [T1059.001](https://intel.threadlinqs.com/technique/T1059.001), [T1059.003](https://intel.threadlinqs.com/technique/T1059.003), [T1059.004](https://intel.threadlinqs.com/technique/T1059.004), [T1059.005](https://intel.threadlinqs.com/technique/T1059.005), [T1059.006](https://intel.threadlinqs.com/technique/T1059.006), [T1059.007](https://intel.threadlinqs.com/technique/T1059.007), [T1068](https://intel.threadlinqs.com/technique/T1068), [T1069](https://intel.threadlinqs.com/technique/T1069), [T1069.002](https://intel.threadlinqs.com/technique/T1069.002), [T1070](https://intel.threadlinqs.com/technique/T1070), T1070.001, T1070.002, [T1070.004](https://intel.threadlinqs.com/technique/T1070.004), [T1071](https://intel.threadlinqs.com/technique/T1071), [T1071.001](https://intel.threadlinqs.com/technique/T1071.001), [T1071.004](https://intel.threadlinqs.com/technique/T1071.004), [T1074](https://intel.threadlinqs.com/technique/T1074), [T1074.001](https://intel.threadlinqs.com/technique/T1074.001), T1074.002, [T1078](https://intel.threadlinqs.com/technique/T1078), [T1078.002](https://intel.threadlinqs.com/technique/T1078.002), [T1080](https://intel.threadlinqs.com/technique/T1080), [T1082](https://intel.threadlinqs.com/technique/T1082), [T1083](https://intel.threadlinqs.com/technique/T1083), [T1087](https://intel.threadlinqs.com/technique/T1087), [T1087.002](https://intel.threadlinqs.com/technique/T1087.002), [T1087.004](https://intel.threadlinqs.com/technique/T1087.004), [T1090](https://intel.threadlinqs.com/technique/T1090), [T1090.001](https://intel.threadlinqs.com/technique/T1090.001), [T1090.002](https://intel.threadlinqs.com/technique/T1090.002), [T1090.003](https://intel.threadlinqs.com/technique/T1090.003), [T1091](https://intel.threadlinqs.com/technique/T1091), [T1095](https://intel.threadlinqs.com/technique/T1095), [T1098](https://intel.threadlinqs.com/technique/T1098), [T1098.001](https://intel.threadlinqs.com/technique/T1098.001), [T1098.005](https://intel.threadlinqs.com/technique/T1098.005), T1098.007, [T1102](https://intel.threadlinqs.com/technique/T1102), [T1102.001](https://intel.threadlinqs.com/technique/T1102.001), [T1102.002](https://intel.threadlinqs.com/technique/T1102.002), [T1105](https://intel.threadlinqs.com/technique/T1105), [T1106](https://intel.threadlinqs.com/technique/T1106), [T1110](https://intel.threadlinqs.com/technique/T1110), [T1110.001](https://intel.threadlinqs.com/technique/T1110.001), [T1110.003](https://intel.threadlinqs.com/technique/T1110.003), [T1112](https://intel.threadlinqs.com/technique/T1112), [T1113](https://intel.threadlinqs.com/technique/T1113), [T1114.002](https://intel.threadlinqs.com/technique/T1114.002), [T1115](https://intel.threadlinqs.com/technique/T1115), [T1119](https://intel.threadlinqs.com/technique/T1119), [T1123](https://intel.threadlinqs.com/technique/T1123), [T1125](https://intel.threadlinqs.com/technique/T1125), [T1129](https://intel.threadlinqs.com/technique/T1129), [T1132](https://intel.threadlinqs.com/technique/T1132), [T1132.002](https://intel.threadlinqs.com/technique/T1132.002), [T1133](https://intel.threadlinqs.com/technique/T1133), [T1134](https://intel.threadlinqs.com/technique/T1134), [T1135](https://intel.threadlinqs.com/technique/T1135), [T1136](https://intel.threadlinqs.com/technique/T1136), [T1136.001](https://intel.threadlinqs.com/technique/T1136.001), [T1136.002](https://intel.threadlinqs.com/technique/T1136.002), [T1140](https://intel.threadlinqs.com/technique/T1140), [T1176](https://intel.threadlinqs.com/technique/T1176), [T1187](https://intel.threadlinqs.com/technique/T1187), [T1190](https://intel.threadlinqs.com/technique/T1190), [T1195](https://intel.threadlinqs.com/technique/T1195), [T1195.002](https://intel.threadlinqs.com/technique/T1195.002), [T1199](https://intel.threadlinqs.com/technique/T1199), [T1200](https://intel.threadlinqs.com/technique/T1200), [T1204](https://intel.threadlinqs.com/technique/T1204), [T1204.001](https://intel.threadlinqs.com/technique/T1204.001), [T1204.002](https://intel.threadlinqs.com/technique/T1204.002), [T1204.004](https://intel.threadlinqs.com/technique/T1204.004), [T1210](https://intel.threadlinqs.com/technique/T1210), [T1211](https://intel.threadlinqs.com/technique/T1211), [T1212](https://intel.threadlinqs.com/technique/T1212), [T1213](https://intel.threadlinqs.com/technique/T1213), T1216, [T1217](https://intel.threadlinqs.com/technique/T1217), [T1218](https://intel.threadlinqs.com/technique/T1218), [T1218.005](https://intel.threadlinqs.com/technique/T1218.005), [T1218.007](https://intel.threadlinqs.com/technique/T1218.007), [T1219](https://intel.threadlinqs.com/technique/T1219), [T1222](https://intel.threadlinqs.com/technique/T1222), T1222.001, [T1222.002](https://intel.threadlinqs.com/technique/T1222.002), T1406.002, [T1417.001](https://intel.threadlinqs.com/technique/T1417.001), [T1418](https://intel.threadlinqs.com/technique/T1418), T1437.001, [T1480](https://intel.threadlinqs.com/technique/T1480), [T1482](https://intel.threadlinqs.com/technique/T1482), [T1484](https://intel.threadlinqs.com/technique/T1484), [T1484.001](https://intel.threadlinqs.com/technique/T1484.001), [T1485](https://intel.threadlinqs.com/technique/T1485), [T1486](https://intel.threadlinqs.com/technique/T1486), [T1489](https://intel.threadlinqs.com/technique/T1489), [T1490](https://intel.threadlinqs.com/technique/T1490), [T1491](https://intel.threadlinqs.com/technique/T1491), [T1496](https://intel.threadlinqs.com/technique/T1496), [T1513](https://intel.threadlinqs.com/technique/T1513), [T1516](https://intel.threadlinqs.com/technique/T1516), [T1518](https://intel.threadlinqs.com/technique/T1518), [T1518.001](https://intel.threadlinqs.com/technique/T1518.001), [T1526](https://intel.threadlinqs.com/technique/T1526), [T1528](https://intel.threadlinqs.com/technique/T1528), [T1529](https://intel.threadlinqs.com/technique/T1529), [T1530](https://intel.threadlinqs.com/technique/T1530), [T1534](https://intel.threadlinqs.com/technique/T1534), [T1539](https://intel.threadlinqs.com/technique/T1539), [T1543](https://intel.threadlinqs.com/technique/T1543), [T1543.001](https://intel.threadlinqs.com/technique/T1543.001), [T1543.003](https://intel.threadlinqs.com/technique/T1543.003), [T1547](https://intel.threadlinqs.com/technique/T1547), [T1547.001](https://intel.threadlinqs.com/technique/T1547.001), T1547.004, [T1547.009](https://intel.threadlinqs.com/technique/T1547.009), [T1548](https://intel.threadlinqs.com/technique/T1548), [T1550](https://intel.threadlinqs.com/technique/T1550), [T1550.001](https://intel.threadlinqs.com/technique/T1550.001), [T1552](https://intel.threadlinqs.com/technique/T1552), [T1552.001](https://intel.threadlinqs.com/technique/T1552.001), T1552.003, [T1552.004](https://intel.threadlinqs.com/technique/T1552.004), [T1553](https://intel.threadlinqs.com/technique/T1553), [T1553.002](https://intel.threadlinqs.com/technique/T1553.002), [T1555](https://intel.threadlinqs.com/technique/T1555), [T1555.001](https://intel.threadlinqs.com/technique/T1555.001), [T1555.003](https://intel.threadlinqs.com/technique/T1555.003), [T1557](https://intel.threadlinqs.com/technique/T1557), [T1557.001](https://intel.threadlinqs.com/technique/T1557.001), [T1560](https://intel.threadlinqs.com/technique/T1560), T1561.002, T1562.001, [T1564.001](https://intel.threadlinqs.com/technique/T1564.001), [T1566.001](https://intel.threadlinqs.com/technique/T1566.001), [T1566.002](https://intel.threadlinqs.com/technique/T1566.002), [T1566.004](https://intel.threadlinqs.com/technique/T1566.004), [T1567](https://intel.threadlinqs.com/technique/T1567), [T1567.002](https://intel.threadlinqs.com/technique/T1567.002), [T1568.002](https://intel.threadlinqs.com/technique/T1568.002), [T1569](https://intel.threadlinqs.com/technique/T1569), [T1570](https://intel.threadlinqs.com/technique/T1570), [T1571](https://intel.threadlinqs.com/technique/T1571), [T1572](https://intel.threadlinqs.com/technique/T1572), [T1573](https://intel.threadlinqs.com/technique/T1573), [T1573.001](https://intel.threadlinqs.com/technique/T1573.001), [T1573.002](https://intel.threadlinqs.com/technique/T1573.002), [T1574.001](https://intel.threadlinqs.com/technique/T1574.001), [T1583](https://intel.threadlinqs.com/technique/T1583), [T1583.001](https://intel.threadlinqs.com/technique/T1583.001), [T1583.003](https://intel.threadlinqs.com/technique/T1583.003), [T1583.006](https://intel.threadlinqs.com/technique/T1583.006), [T1584](https://intel.threadlinqs.com/technique/T1584), [T1584.004](https://intel.threadlinqs.com/technique/T1584.004), [T1584.006](https://intel.threadlinqs.com/technique/T1584.006), [T1585](https://intel.threadlinqs.com/technique/T1585), [T1585.001](https://intel.threadlinqs.com/technique/T1585.001), [T1587](https://intel.threadlinqs.com/technique/T1587), [T1587.001](https://intel.threadlinqs.com/technique/T1587.001), [T1587.004](https://intel.threadlinqs.com/technique/T1587.004), [T1588](https://intel.threadlinqs.com/technique/T1588), [T1588.001](https://intel.threadlinqs.com/technique/T1588.001), [T1588.002](https://intel.threadlinqs.com/technique/T1588.002), [T1588.005](https://intel.threadlinqs.com/technique/T1588.005), [T1589](https://intel.threadlinqs.com/technique/T1589), [T1591](https://intel.threadlinqs.com/technique/T1591), [T1592](https://intel.threadlinqs.com/technique/T1592), [T1595](https://intel.threadlinqs.com/technique/T1595), [T1595.002](https://intel.threadlinqs.com/technique/T1595.002), [T1606](https://intel.threadlinqs.com/technique/T1606), [T1608.002](https://intel.threadlinqs.com/technique/T1608.002), [T1610](https://intel.threadlinqs.com/technique/T1610), [T1614](https://intel.threadlinqs.com/technique/T1614), [T1620](https://intel.threadlinqs.com/technique/T1620), [T1622](https://intel.threadlinqs.com/technique/T1622), [T1626](https://intel.threadlinqs.com/technique/T1626), T1629.003, [T1649](https://intel.threadlinqs.com/technique/T1649), T1655.001, [T1657](https://intel.threadlinqs.com/technique/T1657), [T1660](https://intel.threadlinqs.com/technique/T1660), [T1684.001](https://intel.threadlinqs.com/technique/T1684.001), [T1685](https://intel.threadlinqs.com/technique/T1685), [T1685.005](https://intel.threadlinqs.com/technique/T1685.005), [T1688](https://intel.threadlinqs.com/technique/T1688)

## Threat actors

[Aur0ra](https://intel.threadlinqs.com/actor/Aur0ra), Chinese-speaking threat cluster, [Void Arachne](https://intel.threadlinqs.com/actor/Void%20Arachne), [BREEZE COMET](https://intel.threadlinqs.com/actor/BREEZE%20COMET), [The Gentlemen RaaS operators](https://intel.threadlinqs.com/actor/The%20Gentlemen%20RaaS%20operators), [TeamPCP](https://intel.threadlinqs.com/actor/TeamPCP), [SideCopy](https://intel.threadlinqs.com/actor/SideCopy), DPRK-aligned activity cluster, [Woodgnat](https://intel.threadlinqs.com/actor/Woodgnat), Storm-2697 / The Gentlemen (administrator identified as Alexander Andreevich Yapaev, aka hastalamuerte/zeta88/SantaMuerte)

Nation-state attribution: North Korea, Iran, Russia, Pakistan, North Korea, China

Threat categories: MALWARE, PHISHING, RANSOMWARE, APT, VULNERABILITY, SUPPLY_CHAIN

## Severity breakdown

- critical: 8
- high: 10
- medium: 1
- low: 1

## Indicator & detection coverage

Counts only; indicator values require Red and above, detection rule text requires Blue and above.

- Indicators of compromise: 605 (network 185, file 183, behavioral 61, entity 48, tool 47, infrastructure 44, malware 30, package 7)
- New detection rules: 180 (100% of the day’s threats covered)

## More editions

- Previous: [2026-08-31](https://intel.threadlinqs.com/debrief/2026-08-31)
- Next: [2026-09-02](https://intel.threadlinqs.com/debrief/2026-09-02)
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Canonical: https://intel.threadlinqs.com/debrief/2026-09-01