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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: Gelsemine

Description(ESET) Gelsemium’s first stage is a large dropper written in C++ using the Microsoft Foundation Class library (MFC). This stage contains multiple further stages’ binaries. Dropper sizes range from about 400 kB to 700 kB, which is unusual and would be even larger if the eight embedded executables were not compressed. The developers use the zlib library, statically linked, to greatly reduce the overall size.

Last change to this tool card: 15 June 2021

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All groups using tool Gelsemine


APT groups

 GelsemiumChina2014-Dec 2021 

1 group listed (1 APT, 0 other, 0 unknown)

Digital Service Security Center
Electronic Transactions Development Agency

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