ChChes

MITRE ATT&CK: S0144 View on attack.mitre.org

Aliases: Scorpion, HAYMAKER, Ham Backdoor, ChChes

First seen
2016-01-01 00:00:00
Malware type
trojan
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 15:45:05

Targeted industries: government-and-public-sector financial-services technology-and-telecommunications

Targeted regions: country_code:jp

Context

ChChes is a Trojan that appears to be used exclusively by menuPass. It was used to target Japanese organizations in 2016. Its lack of persistence methods suggests it may be intended as a first-stage tool.

Detection coverage

  • 1 YARA rules
  • 372 Sigma rules

Malware & tools used

  • Web Protocols (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)
  • Standard Encoding (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Disable or Modify Tools (attack-pattern)
  • Credentials from Web Browsers (attack-pattern)
  • System Information Discovery (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • Symmetric Cryptography (attack-pattern)
  • Match Legitimate Resource Name or Location (attack-pattern)
  • Process Discovery (attack-pattern)
  • Code Signing (attack-pattern)

Used by threat actors

Detection rules

  • MALPEDIA_Win_Chches_Auto (yara-rule)

Reports & references

  • Mandiant — Apt10 Menupass Grou (report)
  • secureworks.com — Bronze Riverside (report)
  • cylance.com — The Deception Project A New Japanese Centric Threat (report)
  • jpcert.or.jp — Acreport Chches (report)
  • researchcenter.paloaltonetworks.com — Unit42 Menupass Returns New Malware New Attacks Japanese Academics Organizations (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Chches (report)
  • pwc.co.uk — Cloud Hopper Annex B Final (report)
  • jpcert.or.jp — Acreport Chches Ps1 (report)
  • pwc.co.uk — Pwc Uk Operation Cloud Hopper Technical Annex April 2017 (report)
  • x.com — 850105140589633536 (report)
  • MITRE ATT&CK — S0144 (report)
  • blogs.jpcert.or.jp — Chches Malware 93D6 (report)

External references