APT / THREAT GROUP

Marap

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Marap is a downloader, named after its command and control (C&C) phone home parameter "param" spelled backwards. It is written in C and contains a few notable anti-analysis features.

Threat Analysis

Marap is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.

External References

→https://www.cert.ssi.gouv.fr/uploads/CERTFR-2020-CTI-006.pdf

→https://www.cert.ssi.gouv.fr/uploads/CERTFR-2020-CTI-009.pdf

→https://www.proofpoint.com/us/threat-insight/post/new-modular-downloaders-fingerprint-systems-prepare-more-part-1-marap

Quick Facts

TypeAPT / Threat Group

Aliases2

Also Known As

Marapwin.marap

External Intelligence

Malpedia: win.marap

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.

← All Threat Actors·Geopolitics Map·Search Marap