Home/Threat Actor/XENOTIME / TRITON / TRISIS
Threat Actor

XENOTIME / TRITON / TRISIS

xenotime_triton · russia · active since 2014

XENOTIME / TRITON / TRISIS (Dragos canonical naming "XENOTIME" + Mandiant/FireEye canonical naming "TEMP.Veles" + malware framework naming "TRITON" (Mandiant/FireEye) / "TRISIS" (Dragos) / "HatMan" (US DHS CISA)) is a Russia- attributed Russian Ministry of Defense-affiliated cyber- physical attack specialist cluster operationally attributed at high confidence to the Central Scientific Research Institute of Chemistry and Mechanics (CNIIHM / TsNIIKhM / ЦНИИХМ) per FireEye October 2018 attribution disclosure and formal US Department of Treasury OFAC sanctions October 23, 2020 of CNIIHM specifically for the TRITON malware deployment against the Saudi petrochemical facility; active publicly since at least 2014 per Mandiant analysis of custom attack tools with primary operational mission objective of developing and demonstrating capability to attack industrial Safety Instrumented Systems (SIS, the last line of automated safety defense for industrial facilities designed to prevent equipment failure and catastrophic incidents such as explosions or fire); operationally distinguished as the only activity group intentionally compromising and disrupting industrial safety instrumented systems per Dragos canonical assessment, "easily the most dangerous threat activity publicly known" with documented potential to cause loss of human life and environmental damage.

canonical operational incident: Petro Rabigh Saudi Arabia petrochemical facility attack August-October 2017 (Saudi Aramco subsidiary petrochemical plant), Schneider Electric Triconex SIS went down after attackers inadvertently powered it down, plant tripped twice with second outage triggering investigation finding TRITON malware framework, in worst- case scenario could have released toxic hydrogen sulfide gas or caused explosions putting lives at risk both at the facility and in the surrounding area per MIT Technology Review.

signature operational tradecraft includes TRITON / TRISIS malware framework targeting Schneider Electric Triconex SIS controllers (trilog.exe + library .zip + imain.bin + inject.bin Triconex firmware payload) with capabilities to read and write programs + read and write individual functions + query state of SIS controller via reverse-engineered TriStation proprietary protocol; Triconex firmware 0day exploitation enabling remote code execution and in-memory firmware modification.

IT-to-OT pivot tradecraft with patient dwell time + Engineering Workstation final-stage targeting.

custom tools mimicking features of legitimate tools to evade detection per FireEye Nathan Brubaker.

off-the-shelf tools combined with custom (Mimikatz + SecHack credential capture + PSExec lateral movement)

ICS vendor supply-chain compromise tradecraft from 2018 expanding cluster targeting to ICS OEMs and manufacturers.

2018-2019 operational targeting expansion to North American + Asia-Pacific electric utilities.

per Sergio Caltagirone (Dragos VP Threat Intelligence) "This means more attacks are coming. People will die, we just don't know when".

fills the OT/ICS safety-system specialist cell in the curated corpus as 12th Russia-attributed cluster and the only cluster in publicly-tracked industry analysis that has demonstrated capability + intent to attack OT safety systems with documented lethal potential , operationally complementary to sandworm_team (Ukraine power grid Industroyer/CrashOverride) and volt_typhoon (US critical infrastructure pre-positioning) as the three most-dangerous ICS-targeting clusters in the curated corpus.

russia confidence: high 14 aliases MITRE ATT&CK G0088 ↗

Profile

XENOTIME / TRITON / TRISIS (Dragos canonical naming "XENOTIME" + Mandiant/FireEye canonical naming "TEMP.Veles" + malware framework naming "TRITON" (Mandiant/FireEye) / "TRISIS" (Dragos) / "HatMan" (US DHS CISA)) is a Russia-attributed Russian Ministry of Defense-affiliated cyber-physical attack specialist cluster operationally attributed at high confidence to the Central Scientific Research Institute of Chemistry and Mechanics (CNIIHM / TsNIIKhM / ЦНИИХМ) per FireEye October 2018 attribution and US Department of Treasury OFAC formal sanctions October 23, 2020. Active publicly since at least 2014 (Mandiant analysis of custom attack tools), with primary operational mission objective of developing and demonstrating capability to attack industrial Safety Instrumented Systems (SIS), the last line of automated safety defense for industrial facilities designed to prevent equipment failure and catastrophic incidents such as explosions or fire. Operationally distinguished as the only activity group intentionally compromising and disrupting industrial safety instrumented systems per Dragos canonical assessment, "easily the most dangerous threat activity publicly known" with documented potential to cause loss of human life and environmental damage. Per Sergio Caltagirone (Dragos VP Threat Intelligence): "This means more attacks are coming. People will die, we just don't know when." Operational phases: (1) OPERATIONAL EMERGENCE (2014). Earliest documented operations per Mandiant analysis of custom attack tools. (2) PETRO RABIGH SAUDI ARABIA ATTACK (August-October 2017). Attack on Petro Rabigh facility (Saudi Aramco subsidiary petrochemical plant), Schneider Electric Triconex SIS went down after attackers inadvertently powered it down. Plant tripped twice.

first outage mistakenly attributed to mechanical glitch.

second outage triggered investigation finding TRITON malware framework. In worst-case scenario could have released toxic hydrogen sulfide gas or caused explosions. (3) DRAGOS + FIREEYE CANONICAL JOINT DISCLOSURE (December 2017). Public disclosure of TRITON / TRISIS malware framework and XENOTIME / TEMP.Veles cluster. (4) FIREEYE CNIIHM ATTRIBUTION (October 2018). FireEye attributes cluster to Russian government-owned technical research institute (CNIIHM) in Moscow. (5) US ELECTRIC UTILITIES EXPANSION (2018-2019). Operational targeting expansion to North American + Asia- Pacific electric utilities. ICS vendor supply-chain compromise operations. (6) SECOND TRITON ATTACK DISCLOSURE (April 2019). FireEye Mandiant reveals TRITON installed at second industrial organization. (7) US TREASURY OFAC SANCTIONS (October 23, 2020). Formal US Government attribution + sanctions of CNIIHM. (8) CONTINUED OPERATIONS (2020-2026). XENOTIME continues operational development of capability against safety systems beyond Triconex per Dragos as of 2025.

Signature operational tradecraft
  • Safety Instrumented System (SIS) attack capability (cluster-defining): only known cluster intentionally targeting SIS for disruptive or destructive purposes. Demonstrated capability against Schneider Electric Triconex Emergency Shut Down (ESD) system. Targeting SIS indicates "significant damage and loss of human life were either intentional or acceptable goals of the attack" per Dragos.
  • TRITON / TRISIS malware framework (signature): control system framework designed to target Schneider Electric Triconex SIS controllers. Components include trilog.exe + library.zip + imain.bin + inject.bin Triconex firmware payload. Capabilities: read and write programs, read and write individual functions, query state of SIS controller via reverse-engineered TriStation proprietary protocol.
  • Triconex firmware 0day exploitation: 0day vulnerability in Triconex model firmware enabling remote code execution and in-memory firmware modification.
  • IT-to-OT pivot tradecraft: signature dwell-time- patient IT corporate network initial access followed by reconnaissance and lateral movement into OT industrial network to reach Engineering Workstations.
  • Engineering Workstation targeting: signature final- stage targeting of OT engineering team systems connecting to SIS, operationally distinct from typical IT-network- focused clusters.
  • Custom tools mimicking features of legitimate tools: signature evasion tradecraft per FireEye Nathan Brubaker, "they would generally use public tools when they were not as concerned about getting caught and trying to poke around. If they were doing something really important, like about trying to get to an engineering workstation, they would switch to custom tools.".
  • Off-the-shelf tools combined with custom: Mimikatz + SecHack credential capture + PSExec lateral movement + Windows command-line tools.
  • ICS vendor supply-chain compromise tradecraft (2018+): compromise of ICS OEMs and manufacturers for potential supply-chain access to asset owner ICS networks. The cluster fills the OT/ICS safety-system specialist cell in this curated corpus, 12th Russia-attributed cluster and the only cluster in publicly-tracked industry analysis that has demonstrated capability + intent to attack OT safety systems with documented lethal potential. Operationally distinct from sibling Russia-attributed clusters (sandworm_team Ukraine power grid + dragonfly_energetic_bear energy sector + apt28_fancybear + apt29_cozybear + cadet_blizzard + cl0p + gamaredon + indrik_spider_evilcorp + star_blizzard_callisto + turla + winter_vivern_ta473, all curated separately) through signature SIS attack capability. Operationally complementary to sandworm_team (Ukraine power grid / Industroyer / CrashOverride) and volt_typhoon (US critical infrastructure pre-positioning) as the three most-dangerous ICS-targeting clusters in the curated corpus.

Aliases

14
xenotimexenotime threat grouptemp_velestemp.velestemp velestritontriton_malwaretrisistrisis_malwarehatmanhatman malwarexenotime_tritontriton trisis xenotime clusterschneider triconex sis attacker

Notable Campaigns

10
2020-2026Continued Operations Through 2020-2026
2020US Treasury OFAC Formal Sanctions of CNIIHM (October 23, 2020)
2019Second TRITON Attack Disclosure, FireEye Mandiant (April 2019)
2018-2019XENOTIME US Electric Utilities Expansion (2018-2019)
2018FireEye CNIIHM Russian Attribution (October 2018)
2018ICS Vendor Supply Chain Compromise Operations (2018)
2017Petro Rabigh Saudi Arabia Petrochemical Facility Attack (October 2017)
2017Dragos + FireEye Joint Canonical Disclosure (December 2017)
2014-2017TRITON Triconex Protocol Reverse-Engineering Signature
2014XENOTIME Operational Emergence (2014)

Attribution & Reporting

Attributed by
Dragos (canonical XENOTIME naming + ICS-specialist tracking)FireEye / Mandiant / Google Threat Intelligence Group (canonical TEMP.Veles naming + CNIIHM attribution)Nozomi Networks (TRITON technical analysis)US Department of Homeland Security CISA (HatMan naming + advisory)US Department of Treasury Office of Foreign Assets Control (OFAC sanctions October 23 2020)Schneider Electric (Triconex vendor security notification)Robert M. Lee (Dragos CEO + founder)Sergio Caltagirone (Dragos VP Threat Intelligence)Joe Slowik (former Dragos adversary hunter, subsequently Gigamon)Julian Gutmanis (Triton incident response lead, subsequently Dragos)Nathan Brubaker (FireEye senior manager Cyber-physical Intelligence Team)Marina Krotofil (ICS security researcher)Andrea Carcano (Nozomi Networks co-founder)Eddie Habibi (PAS Global CEO)MIT Technology Review (Triton malware investigative journalism)New York Times (NYT 2018 attribution hypothesis)CyberScoopSecurityWeekThreatpost
Key reporting
reportDragos + FireEye Joint Disclosure: TRITON / TRISIS / XENOTIME Initial Public Disclosure (December 2017), canonical joint disclosure
reportMandiant (Nathan Brubaker + others): TRITON Actor TTP Profile, Custom Attack Tools, Detections, and ATT&CK Mapping (April 10, 2019), canonical FireEye TRITON technical analysis
reportNozomi Networks (Di Pinto + Dragoni + Carcano): TRITON, The First ICS Cyber Attack on Safety Instrument Systems, Understanding the Malware, Its Communications and Its OT Payload (2018)
reportDragos: Xenotime Threat Group Profile, canonical continuing tracking
reportDragos (Sergio Caltagirone + Joe Slowik): TRISIS Operational Analysis + XENOTIME Continued Activity
reportUS Department of Homeland Security CISA: HatMan Malware Advisory
reportUS Department of Treasury OFAC: CNIIHM Sanctions Press Release SM1162 (October 23, 2020), formal US Government attribution
reportSchneider Electric: Security Notification SEVD-2017-347-01, EcoStruxure Triconex Tricon V3 (2017)
reportMIT Technology Review: Triton is the world's most murderous malware (March 5, 2019)
reportFireEye (October 2018): TRITON Attribution to Russian Government-Owned Technical Research Institute in Moscow
reportRobert M. Lee (Dragos CEO): TRISIS Operational Assessment
reportJulian Gutmanis (Triton incident response lead): Petro Rabigh Incident Response Account
reportNathan Brubaker (FireEye Cyber-physical Intelligence Team): TRITON Custom Attack Tools Profile
reportMarina Krotofil + Andrea Carcano (Nozomi Networks): TRITON ICS Cyber Attack Technical Analysis
reportEddie Habibi (PAS Global CEO): Safety Instrumented System Attack Context Analysis
reportSymantec / Broadcom Threat Hunter Team: XENOTIME adjacent cluster tracking
reportMicrosoft Threat Intelligence Center: XENOTIME operational context
reportMITRE ATT&CK Group G0088, TEMP.Veles
reportMITRE ATT&CK Software S1009, Triton
reportMITRE ATT&CK for ICS Group XENOTIME, canonical ICS-attack mapping
reportMalpedia Actor Profile: TEMP.Veles

Operational

State sponsor

Russian government attribution operates at high confidence with formal US Government attribution: per FireEye 2018 analysis: XENOTIME / TEMP.Veles attributed to "a Russian government-owned technical research institute in Moscow" , specifically the Central Scientific Research Institute of Chemistry and Mechanics (CNIIHM / TsNIIKhM / ЦНИИХМ in Russian, Центральный научно-исследовательский институт химии и механики). On October 23, 2020, the US Department of Treasury Office of Foreign Assets Control (OFAC) formally sanctioned the State Research Center of the Russian Federation FGUP Central Scientific Research Institute of Chemistry and Mechanics (CNIIHM) for conducting the TRITON / TRISIS attack against the petrochemical facility in Saudi Arabia. The OFAC sanctions operationally established formal US Government attribution to a specific Russian government-owned entity.

Russian state attribution operationally supported by multiple convergent evidence streams: (a) FireEye / Mandiant analyst attribution (October 2018): per FireEye disclosure: cluster attributed to a Russian government-owned technical research institute in Moscow. Specifically named CNIIHM as the institute behind TRITON cluster activity. Per Mandiant: "the group appears to have been operational since 2014 based on intel gathered from an analysis of the custom attack tools used." (b) US Treasury OFAC formal sanctions (October 23, 2020): US Treasury sanctioned CNIIHM specifically for the TRITON malware deployment against Saudi petrochemical facility, operationally formal US Government attribution to a specific Russian government entity.

CNIIHM is operationally a Russian Ministry of Defense-affiliated technical research institute. (c) Alternative attribution hypothesis context: per New York Times March 15, 2018 reporting cited by Power Magazine: hypothesis that TRISIS/TRITON attack may have been part of "string of cyberattacks on petrochemical plants in Saudi Arabia" possibly conducted by Iranian threat actors, potentially with assistance of Russia or DPRK, "due to its high level of cyber tradecraft." The NYT Iranian hypothesis has been operationally superseded by the subsequent FireEye CNIIHM attribution and US Treasury OFAC sanctions, but operationally remains noteworthy as an alternative initial attribution hypothesis. (d) Operational sophistication consistent with state- sponsored capability: signature TRITON malware framework development required deep custom understanding of Schneider Electric Triconex Safety Instrumented System (SIS) and proprietary protocol reverse engineering, plus 0day- vulnerability discovery in the Triconex model's firmware (per MIT Technology Review).

Per Dragos: cluster "is easily the most dangerous threat activity publicly known." (e) Operational mission objective consistent with state adversarial posture toward Saudi petrochemical infrastructure: TRITON / TRISIS attack on Petro Rabigh Saudi Arabia petrochemical facility 2017 operationally consistent with state-aligned adversarial posture toward Saudi state-owned petrochemical infrastructure (Saudi Aramco subsidiary). Per Dragos: "Targeting a safety system indicates significant damage and loss of human life were either intentional or acceptable goals of the attack." Operational significance: per Dragos: XENOTIME is "easily the most dangerous threat activity publicly known. It is the only activity group intentionally compromising and disrupting industrial safety instrumented systems, which can lead to scenarios involving loss of life and environmental damage." Per MIT Technology Review: "In a worst-case scenario, the rogue code could have led to the release of toxic hydrogen sulfide gas or caused explosions, putting lives at risk both at the facility and in the surrounding area...

The disturbing lesson from the incident is that cyberattacks are now being designed to kill. TRISIS was intended to be lethal, and other such attacks can be expected." Per Sergio Caltagirone (Dragos VP Threat Intelligence): "Offensive government programs worldwide are placing more emphasis and resources into attacking and disrupting industrial processes like oil, power and water. This means more attacks are coming.

People will die, we just don't know when." The cluster fills the unique OT/ICS safety-instrumented- system attack specialist cell in this curated corpus, 12th Russia-attributed cluster, operationally distinct from sibling Russia-attributed clusters (sandworm_team Ukraine power grid + cadet_blizzard + apt28_fancybear + apt29_cozybear + cl0p + dragonfly_energetic_bear + gamaredon + indrik_spider_evilcorp + star_blizzard_callisto + turla + winter_vivern_ta473, all curated separately) through signature safety-instrumented-system attack capability with documented potential to cause loss of human life. The only cluster in publicly-tracked industry analysis that has demonstrated capability + intent to attack OT safety systems with lethal potential.

Motivations
russia_state_aligned_offensive_cyber_capability_for_critical_infrastructure_attack, cniihm_russian_ministry_of_defense_aligned_ot_attack_capability_development, saudi_petrochemical_infrastructure_attack_capability_demonstration, safety_instrumented_system_compromise_with_lethal_potential, oil_and_gas_industry_critical_infrastructure_disruption_capability, electric_power_utility_attack_capability_development_post_2018, geopolitical_adversary_critical_infrastructure_attack_preparation, kinetic_effect_critical_infrastructure_attack_capability
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Detection Blind Spots

60 techniques
Across this actor’s 60 mapped techniques, the share covered by each detection layer. Low bars are where you’d be blind if this actor targeted you.
Behavioral / log (Sigma)37/60 · 61%
Analytics (MITRE CAR)25/60 · 41%
Runtime / container (Falco)5/60 · 8%
File / malware (YARA)0/60 · 0%
Network (Suricata/Snort)12/60 · 20%
Vuln scan (Nuclei)0/60 · 0%

Atomic Test Plan

28 techniques
Runnable Atomic Red Team tests covering this actor’s mapped techniques - validate your detections against this specific adversary. Cross-reference the blind spots above. For authorized lab / purple-team use. Open the full builder

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1 mapped
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