APT / THREAT GROUP

Seduploader

aliases

Last seen:Mar 17, 2026

Intelligence Profile

simple tool to facilitate download and persistence of a next-stage tool; collects system information and metadata probably in an attempt to tell sandbox-environments apart from real targets on the server-side; uses domains of search engines like Google to check for Internet connectivity; XOR-based string obfuscation with a 16-byte key

Threat Analysis

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

External References

→http://blog.talosintelligence.com/2017/10/cyber-conflict-decoy-document.html

→http://blog.trendmicro.com/trendlabs-security-intelligence/new-adobe-flash-zero-day-used-in-pawn-storm-campaign/

→http://www.welivesecurity.com/2015/07/10/sednit-apt-group-meets-hacking-team/

→http://www.welivesecurity.com/wp-content/uploads/2016/10/eset-sednit-part1.pdf

→https://blog.xpnsec.com/apt28-hospitality-malware-part-2/

Quick Facts

TypeAPT / Threat Group

Aliases7

Also Known As

jkeyskwwin.seduploaderSeduploaderdownrageGAMEFISHjhuhugitcarberplike

External Intelligence

Malpedia: win.seduploader

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.

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