According to a report published by Proofpoint, these attacks are part of a larger trend where various Chinese malware campaigns predominantly use invoice-themed tactics related to Chinese businesses. Multiple campaigns distributing ValleyRAT and other malware strains have been observed.
New Malware Strain ‘ValleyRAT’ Targets Large Organizations Globally in Ongoing Campaigns
Chinese and Other Organizations Worldwide Face Attacks from Multiple New Malware Strains
