Treasury Sanctions Exploit Broker Network for Theft and Sale of U.S. Government Cyber Tools

Release Date

02/24/2026

Press Release Link

Treasury Sanctions Exploit Broker Network for Theft and Sale of U.S. Government Cyber Tools

Designation of Russia-Based Zero-Day Exploits Broker and Affiliates for Theft of U.S. Trade Secrets

Recent Actions Body

Specially Designated Nationals List Update
The following individuals have been added to OFAC's SDN List:
KUCHEROV, Oleg Vyacheslavovich (a.k.a. "GABR"), Samara, Russia; DOB 03 Jun 1973; POB Togliatti, Russia; nationality Russia; Gender Male; Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201 (individual) [CAATSA - RUSSIA] [CYBER4] (Linked To: ZELENYUK, Sergey Sergeyevich).
MAMASHOYEV, Azizjon Makhmudovich (a.k.a. MAMASHOYEV, Azizjon Maxmudovich), 60 Amir Timur Avenue, Tashkent, Uzbekistan; DOB 20 Feb 1987; nationality Uzbekistan; Gender Male; Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201; Passport FA2783585 (Uzbekistan) expires 16 May 2031; National ID No. AD3927969 (Uzbekistan) (individual) [CAATSA - RUSSIA] [CYBER4] (Linked To: ZELENYUK, Sergey Sergeyevich).
VASANOVICH, Marina Evgenyevna (Cyrillic: ВАСАНОВИЧ, Марина Евгеньевна) (a.k.a. VASANOVICH, Marina Yevgenyevna), Russia; DOB 21 Nov 2003; POB Novocherkassk, Rostovskaya Oblast, Russia; nationality Russia; Gender Female; Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201; Passport 761424486 (Russia) expires 23 Aug 2029; National ID No. 40 23 685988 (Russia) (individual) [CAATSA - RUSSIA] [CYBER4] (Linked To: ZELENYUK, Sergey Sergeyevich).
ZELENYUK, Sergey Sergeyevich (Cyrillic: ЗЕЛЕНЮК, Сергей Сергеевич) (a.k.a. ZELENYUK, Sergei Sergeevich; a.k.a. ZELENYUK, Sergey Sergeevich; a.k.a. "MORTENOIR"; a.k.a. "SRGSRGSRG111"), Rimsky-Korsakov Prospect, Building 109-111, Litera/Block A, Apartment 20, Saint Petersburg 190068, Russia; DOB 17 Mar 1994; POB Saint Petersburg, Russia; nationality Russia; Gender Male; Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201; PAIPA Section 2 Information: BLOCKING OF PROPERTY (individual). Sec.2(b)(2)(a)- All property and interests in property of this individual are blocked, and all transactions with this individual are prohibited, except for the importation of goods.; Tax ID No. 780223642330 (Russia) (individual) [CAATSA - RUSSIA] [CYBER4] [PAIPA]. The following entities have been added to OFAC's SDN List:
ADVANCE SECURITY SOLUTIONS (a.k.a. "ADVANCED SECURITY SOLUTIONS"), R-311-315, Jumeirah Living Marina Gate 3, P.O. Box 121828, Dubai, United Arab Emirates; Tashkent, Uzbekistan; Website advance-sec.com; Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201; Organization Established Date 2025; Organization Type: Computer programming activities [CAATSA - RUSSIA] [CYBER4] (Linked To: MAMASHOYEV, Azizjon Makhmudovich).
MATRIX LLC (Cyrillic: ОБЩЕСТВО C OГРАНИЧЕННОЙ OТВЕТСТВЕННОСТЬЮ МАТРИЦА) (a.k.a. LLC MATRITSA; a.k.a. MATRIX LIMITED; a.k.a. MATRIX LTD (Cyrillic: OOO МАТРИЦА); a.k.a. OPERATION ZERO; a.k.a. OPZERO), Sh. Petergofskoe, 73, Letter T, Office 26/1, Room 1, Municipal District Sosnovaya Polyana, Saint Petersburg 198206, Russia; Website opzero.ru; Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201; Organization Established Date 27 Sep 2021; Organization Type: Computer programming activities; PAIPA Section 2 Information: BLOCKING OF PROPERTY (entity). Sec.2(b)(1)(A) - All property and interests in property of this entity are blocked, and all transactions with this entity are prohibited, except for the importation of goods.; alt. PAIPA Section 2 Information: LOANS FROM UNITED STATES FINANCIAL INSTITUTIONS. Sec.2(b)(1)(D) - United States financial institutions are prohibited from making loans or providing credits to this entity totaling more than $10,000,000 in any 12-month period, subject to the exception set forth in PAIPA Section 2(b)(1)(D).; alt. PAIPA Section 2 Information: FOREIGN EXCHANGE. Sec.2(b)(1)(H) - Transactions in foreign exchange that are subject to the jurisdiction of the United States and in which this entity has any interest are prohibited.; alt. PAIPA Section 2 Information: BANKING TRANSACTIONS. Sec.2(b)(1)(I) - Any transfers of credit or payments between financial institutions or by, through, or to any financial institution, to the extent that such transfers or payments are subject to the jurisdiction of the United States and involve any interest of this entity, are prohibited.; alt. PAIPA Section 2 Information: BAN ON INVESTMENT IN EQUITY OR DEBT OF SANCTIONED PERSON. Sec.2(b)(1)(J) - Any United States person is prohibited from investing in or purchasing significant amounts of equity or debt instruments of this entity.; Tax ID No. 7807251301 (Russia); Registration Number 1217800148609 (Russia) [CAATSA - RUSSIA] [CYBER4] [PAIPA]. SPECIAL TECHNOLOGY SERVICES LLC FZ, Meydan Grandstand, 6th Floor, Meydan Road, Nad Al Sheba, Dubai, United Arab Emirates; Secondary sanctions risk: Ukraine-/Russia-Related Sanctions Regulations, 31 CFR 589.201; Organization Established Date 07 Dec 2024; Organization Type: Computer programming activities; PAIPA Section 2 Information: BLOCKING OF PROPERTY (entity). Sec.2(b)(1)(A) - All property and interests in property of this entity are blocked, and all transactions with this entity are prohibited, except for the importation of goods.; alt. PAIPA Section 2 Information: LOANS FROM UNITED STATES FINANCIAL INSTITUTIONS. Sec.2(b)(1)(D) - United States financial institutions are prohibited from making loans or providing credits to this entity totaling more than $10,000,000 in any 12-month period, subject to the exception set forth in PAIPA Section 2(b)(1)(D).; alt. PAIPA Section 2 Information: FOREIGN EXCHANGE. Sec.2(b)(1)(H) - Transactions in foreign exchange that are subject to
the jurisdiction of the United States and in which this entity has any interest are prohibited.; alt. PAIPA Section 2 Information: BANKING TRANSACTIONS. Sec.2(b)(1)(I) - Any transfers of credit or payments between financial institutions or by, through, or to any financial institution, to the extent that such transfers or payments are subject to the jurisdiction of the United States and involve any interest of this entity, are prohibited.; alt. PAIPA Section 2 Information: BAN ON INVESTMENT IN EQUITY OR DEBT OF SANCTIONED PERSON. Sec.2(b)(1)(J) - Any United States person is prohibited from investing in or purchasing significant amounts of equity or debt instruments of this entity. [CAATSA - RUSSIA] [CYBER4] [PAIPA] (Linked To: ZELENYUK, Sergey Sergeyevich). Unrelated Administrative List Changes:
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