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DMLOADER is a Windows malware loader used by the Earth Kurma advanced persistent threat group to maintain access to compromised systems and execute next-stage payloads in memory. Unlike loaders that read a separate payload file, DMLOADER decodes an embedded payload into an in-memory Portable Executable (PE) buffer and loads it for execution. Observed variants typically expose the DoMain or StartProtect export and load a payload exporting MThread.
DMLOADER forms part of Earth Kurma's persistence toolchain alongside DUNLOADER and TESDAT. These loaders have been used to deploy Cobalt Strike beacons and other follow-on malware, including rootkits. Earth Kurma's cyberespionage operations target government and government-related telecommunications organizations in Southeast Asia, including the Philippines, Vietnam, Thailand, and Malaysia. DMLOADER's role is payload loading and execution rather than the credential theft or document exfiltration performed by other components of the group's toolchain.
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1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
More recently, we observed a new loader, DMLOADER, was implanted.
11 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
IPs, domains, and DNS infrastructure linked to this family.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Loader that decodes an embedded payload into an in-memory PE buffer rather than reading a separate payload file. It usually exports DoMain or StartProtect, while the decoded payload exports MThread.
Custom loader used for persistence and deployment of additional payloads.
Loader used to deliver secondary payloads, explicitly including Cobalt Strike beacons; part of the persistence and execution chain.
Loader used for persistence and in-memory execution of next-stage payloads (e.g., Cobalt Strike beacons, rootkits, and exfiltration malware).
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Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.