GRAPELOADER

First seen
2023-01-15 00:00:00
Malware type
loader
Profile updated
2026-07-07 15:04:14

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

Context

According to Checkpoint Research, GRAPELOADER is a newly observed initial-stage tool used for fingerprinting, persistence, and payload delivery. Despite differing roles, it shares similarities in code structure, obfuscation, and string decryption with WINELOADER. GRAPELOADER refines WINELOADER’s anti-analysis techniques while introducing more advanced stealth methods.

Detection coverage

  • 1 YARA rules

Detection rules

  • MALPEDIA_Win_Grapeloader_Auto (yara-rule)

Reports & references

  • malpedia.caad.fkie.fraunhofer.de — Win.Grapeloader (report)
  • research.checkpoint.com — Apt29 Phishing Campaign (report)

External references