Cервис управления информационной безопасностью
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MITRE ATT&CK - Инструмент China Chopper
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China Chopper
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China Chopper

China Chopper is a Web Shell hosted on Web servers to provide access back into an enterprise network that does not rely on an infected system calling back to a remote command and control server. (Citation: Lee 2013) It has been used by several threat groups. (Citation: Dell TG-3390) (Citation: FireEye Periscope March 2018)(Citation: CISA AA21-200A APT40 July 2021)
ID: S0020
Type: MALWARE
Platforms: Windows
Version: 2.3
Created: 31 May 2017
Last Modified: 15 Apr 2022

Techniques Used
Domain ID Name Use
Enterprise T1071 .001 Application Layer Protocol: Web Protocols

China Chopper's server component executes code sent via HTTP POST commands.(Citation: FireEye Periscope March 2018)
Enterprise T1110 .001 Brute Force: Password Guessing

China Chopper's server component can perform brute force password guessing against authentication portals.(Citation: FireEye Periscope March 2018)
Enterprise T1059 .003 Command and Scripting Interpreter: Windows Command Shell

China Chopper's server component is capable of opening a command terminal.(Citation: SecureWorks BRONZE UNION June 2017)(Citation: Lee 2013)(Citation: NCSC Joint Report Public Tools)
Enterprise T1070 .006 Indicator Removal: Timestomp

China Chopper's server component can change the timestamp of files.(Citation: FireEye Periscope March 2018)(Citation: Lee 2013)(Citation: NCSC Joint Report Public Tools)
Enterprise T1027 .002 Obfuscated Files or Information: Software Packing

China Chopper's client component is packed with UPX.(Citation: Lee 2013)
Enterprise T1505 .003 Server Software Component: Web Shell

China Chopper's server component is a Web Shell payload.(Citation: Lee 2013)

Groups That Use This Software
ID Name References
G0093 GALLIUM

(Citation: Cybereason Soft Cell June 2019) (Citation: Microsoft GALLIUM December 2019)

G0135 BackdoorDiplomacy

(Citation: ESET BackdoorDiplomacy Jun 2021)

G0117 Fox Kitten

(Citation: CISA AA20-259A Iran-Based Actor September 2020)

G0027 Threat Group-3390

(Citation: Dell TG-3390) (Citation: SecureWorks BRONZE UNION June 2017) (Citation: Nccgroup Emissary Panda May 2018) (Citation: Unit42 Emissary Panda May 2019)

G0096 APT41

(Citation: FireEye APT41 Aug 2019)

G0125 HAFNIUM

(Citation: Volexity Exchange Marauder March 2021) (Citation: FireEye Exchange Zero Days March 2021)

G0065 Leviathan

(Citation: FireEye Periscope March 2018) (Citation: CISA AA21-200A APT40 July 2021) (Citation: Accenture MUDCARP March 2019)

References

  1. CISA. (2021, July 19). (AA21-200A) Joint Cybersecurity Advisory – Tactics, Techniques, and Procedures of Indicted APT40 Actors Associated with China’s MSS Hainan State Security Department. Retrieved August 12, 2021.
  2. Dell SecureWorks Counter Threat Unit Threat Intelligence. (2015, August 5). Threat Group-3390 Targets Organizations for Cyberespionage. Retrieved August 18, 2018.
  3. FireEye. (2018, March 16). Suspected Chinese Cyber Espionage Group (TEMP.Periscope) Targeting U.S. Engineering and Maritime Industries. Retrieved April 11, 2018.
  4. Lee, T., Hanzlik, D., Ahl, I. (2013, August 7). Breaking Down the China Chopper Web Shell - Part I. Retrieved March 27, 2015.
  5. Gruzweig, J. et al. (2021, March 2). Operation Exchange Marauder: Active Exploitation of Multiple Zero-Day Microsoft Exchange Vulnerabilities. Retrieved March 3, 2021.
  6. Bromiley, M. et al. (2021, March 4). Detection and Response to Exploitation of Microsoft Exchange Zero-Day Vulnerabilities. Retrieved March 9, 2021.
  7. Fraser, N., et al. (2019, August 7). Double DragonAPT41, a dual espionage and cyber crime operation APT41. Retrieved September 23, 2019.
  8. The Australian Cyber Security Centre (ACSC), the Canadian Centre for Cyber Security (CCCS), the New Zealand National Cyber Security Centre (NZ NCSC), CERT New Zealand, the UK National Cyber Security Centre (UK NCSC) and the US National Cybersecurity and Communications Integration Center (NCCIC). (2018, October 11). Joint report on publicly available hacking tools. Retrieved March 11, 2019.
  9. Adam Burgher. (2021, June 10). BackdoorDiplomacy: Upgrading from Quarian to Turian. Retrieved September 1, 2021
  10. CISA. (2020, September 15). Iran-Based Threat Actor Exploits VPN Vulnerabilities. Retrieved December 21, 2020.
  11. Cybereason Nocturnus. (2019, June 25). Operation Soft Cell: A Worldwide Campaign Against Telecommunications Providers. Retrieved July 18, 2019.
  12. MSTIC. (2019, December 12). GALLIUM: Targeting global telecom. Retrieved January 13, 2021.
  13. Counter Threat Unit Research Team. (2017, June 27). BRONZE UNION Cyberespionage Persists Despite Disclosures. Retrieved July 13, 2017.
  14. Pantazopoulos, N., Henry T. (2018, May 18). Emissary Panda – A potential new malicious tool. Retrieved June 25, 2018.
  15. Falcone, R. and Lancaster, T. (2019, May 28). Emissary Panda Attacks Middle East Government Sharepoint Servers. Retrieved July 9, 2019.
  16. Accenture iDefense Unit. (2019, March 5). Mudcarp's Focus on Submarine Technologies. Retrieved August 24, 2021.
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