Chrommme
MITRE ATT&CK: S0667 View on attack.mitre.org
Aliases: Chrommme
- First seen
- 2021-06-01 00:00:00
- Malware type
- backdoor
- Family
- Malware family
- Operating systems
- windows
- Profile updated
- 2026-07-07 13:23:09
Targeted industries: government-and-public-sector education-and-nonprofits technology-and-telecommunications
Context
Chrommme is a backdoor tool written using the Microsoft Foundation Class (MFC) framework that was first reported in June 2021; security researchers noted infrastructure overlaps with Gelsemium malware.
Detection coverage
- 193 Sigma rules
Malware & tools used
- Ingress Tool Transfer (attack-pattern)
- Local Storage Discovery (attack-pattern)
- System Information Discovery (attack-pattern)
- Deobfuscate/Decode Files or Information (attack-pattern)
- Local Data Staging (attack-pattern)
- Encrypted/Encoded File (attack-pattern)
- Screen Capture (attack-pattern)
- Exfiltration Over C2 Channel (attack-pattern)
- Native API (attack-pattern)
- Scheduled Transfer (attack-pattern)
- Data from Local System (attack-pattern)
- System Owner/User Discovery (attack-pattern)
- System Network Configuration Discovery (attack-pattern)
- Archive Collected Data (attack-pattern)
Reports & references
- ESET — Eset Gelsemium (report)
- MITRE ATT&CK — S0667 (report)