Unidentified 103 (FIN8)

Aliases: Ragnar Loader, Sardonic

Malware type
loader
Family
Malware family
Profile updated
2026-07-07 13:21:27

Targeted industries: financial-services retail-and-hospitality

Targeted regions: country_code:us country_code:ca

Context

A malware that uses .NET to load unmanaged (shell)code which has some resemblance to BADHATCH, the IP found in the sample was referred to in coverage on WHITERABBIT ransomware attacks.

Reports & references

  • Broadcom/Symantec — Syssphinx Fin8 Backdoor (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Unidentified 103 (report)
  • otx.alienvault.com — 61E7F74A936Eea5D44026B8E (report)
  • github.com — Ragnarloader (report)

External references