Hexane / Lyceum (G1001)
Hexane / Lyceum (canonical Dragos naming Hexane.
canonical SecureWorks naming Lyceum.
canonical ClearSky naming Siamesekitten.
canonical Accenture naming Spirlin.
MITRE ATT&CK Group G1001) is a suspected Iran-aligned cyber- espionage cluster active publicly since at least 2017- 2018, with primary operational mission objectives of intelligence collection from oil-and-gas industry organizations and telecommunications providers in the Middle East (Kuwait as signature primary operating region per Dragos), Africa, and Central Asia.
operationally distinct from the broader Iran-aligned clusters already curated in this corpus (apt33, apt34, apt35, apt39, muddywater, imperial_kitten_tortoiseshell, agrius) through signature Middle East oil-and-gas-industry primary targeting, distinct custom tooling (DanBot RAT, Shark RAT, James + Kevin loaders, Milan RAT), and signature password- spraying + brute-force initial-access tradecraft.
SecureWorks assesses cluster activity "resembles" Iran-linked COBALT GYPSY (OilRig/APT34) and COBALT TRINITY (Elfin/APT33) but tracks the cluster as separate from these prior clusters due to distinct malware and infrastructure.
Dragos similarly tracks Hexane as distinct from MAGNALLIUM (APT33-related ICS-focused tracking) and CHRYSENE (APT34-related ICS- focused tracking)
signature tradecraft includes password- spraying initial-access, HR-and-IT-account-focused intrusion targeting, DanBot RAT delivery via spearphishing emails with malicious Excel macros, PowerShell-based modular post- compromise tooling (password dumping, lateral movement, keylogging scripts), DNS-tunneling C2 communication, security and web-technology-themed domain registrations, telecommunications-sector targeting "potentially as a stepping stone to network-focused man-in-the-middle and related attacks" per Dragos.
multi-vendor canonical naming under Hexane / Lyceum / Siamesekitten / Spirlin reflects broad industry interest in the cluster and the multi-vendor naming-convention inconsistency of the modern cyber-threat- intelligence ecosystem.
fills the Middle East oil-and-gas- industry + telecommunications-focused Iran-aligned APT cell in the curated corpus complementing broader Iran-aligned coverage.