BLUELIGHT

MITRE ATT&CK: S0657 View on attack.mitre.org

Aliases: BLUELIGHT

First seen
2021-01-01 00:00:00
Malware type
rat
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 12:52:32

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

Targeted regions: country_code:kr country_code:jp

Context

BLUELIGHT is a remote access Trojan used by APT37 that was first observed in early 2021.

Detection coverage

  • 5 YARA rules
  • 249 Sigma rules

Malware & tools used

  • System Network Configuration Discovery (attack-pattern)
  • Archive via Custom Method (attack-pattern)
  • System Owner/User Discovery (attack-pattern)
  • System Information Discovery (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Encrypted/Encoded File (attack-pattern)
  • Exfiltration Over C2 Channel (attack-pattern)
  • Security Software Discovery (attack-pattern)
  • File Deletion (attack-pattern)
  • Bidirectional Communication (attack-pattern)
  • Steal Web Session Cookie (attack-pattern)
  • Credentials from Web Browsers (attack-pattern)
  • Process Discovery (attack-pattern)
  • Archive Collected Data (attack-pattern)
  • System Checks (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • Web Protocols (attack-pattern)
  • System Time Discovery (attack-pattern)
  • Screen Capture (attack-pattern)

Used by threat actors

Detection rules

  • VOLEXITY_Apt_Malware_Win_Bluelight (yara-rule)
  • VOLEXITY_Apt_Malware_Py_Bluelight_Ldr (yara-rule)
  • SIGNATURE_BASE_APT_PY_Bluelight_Loader (yara-rule)
  • SIGNATURE_BASE_APT_MAL_Win_Bluelight (yara-rule)
  • MALPEDIA_Win_Bluelight_Auto (yara-rule)

Reports & references

  • volexity.com — North Korean Apt Inkysquid Infects Victims Using Browser Exploits (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Bluelight (report)
  • MITRE ATT&CK — S0657 (report)

External references