Threat Group Cards: A Threat Actor Encyclopedia Archived: 2026-04-05 15:16:01 UTC Home > List all groups > List all tools > List all groups using tool SILENTUPLOADER Tool: SILENTUPLOADER Names SILENTUPLOADER Category Malware Type Exfiltration Description (Mandiant) SILENTUPLOADER is an uploader written in MSIL that is dropped by DOSTEALER and is designed to work specifically in tandem with it. It checks for files in a specified folder every 30 seconds and uploads them to a remote server. Information Malpedia Last change to this tool card: 22 June 2023 Download this tool card in JSON format All groups using tool SILENTUPLOADER Changed Name Country Observed APT groups   APT 42 2015-Feb 2024   1 group listed (1 APT, 0 other, 0 unknown) Source: https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=b266acee-e395-4283-ba2a-e9351886cc7f https://apt.etda.or.th/cgi-bin/listgroups.cgi?u=b266acee-e395-4283-ba2a-e9351886cc7f Page 1 of 1