MALWARE FAMILY

Seduploader

Internal ID: win.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 malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.

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/

→https://blog.yoroi.company/research/apt28-and-upcoming-elections-possible-interference-signals-part-ii/

→https://contagiodump.blogspot.de/2017/02/russian-apt-apt28-collection-of-samples.html

→https://researchcenter.paloaltonetworks.com/2016/06/unit42-new-sofacy-attacks-against-us-government-agency/

→https://securelist.com/a-slice-of-2017-sofacy-activity/83930/

→https://securelist.com/sofacy-apt-hits-high-profile-targets-with-updated-toolset/72924/

Quick Facts

TypeMalware Family

Aliases1

Also Known As

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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