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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: MSUpdater

NamesMSUpdater
CategoryMalware
TypeDropper, Backdoor, Info stealer, Exfiltration
Description(ZScaler) The malware dropped and launched from the PDF exploit has been seen to be virtual machine (VM) aware in order to prevent analysis within a sandbox. The Trojan functionality is decrypted at run-time, and includes expected functionality, such as, downloading, uploading, and executing files driven by commands from the C&C. Communication with the C&C is over HTTP but is encoded to evade detection. The Trojan file name (e.g., 'msupdate.exe') and the HTTP paths used in the C&C (e.g., '/microsoftupdate/getupdate/default.aspx') are used to stay under the radar by appearing to be related to Microsoft Windows Update - hence the name given to this Trojan.
Information<https://www.zscaler.com/blogs/research/msupdater-trojan-and-link-targeted-attacks>
<https://cybersecurity.att.com/blogs/labs-research/msupdater-trojan-found-using-cve-2012-0158-space-and-missile-defense-conference>
AlienVault OTX<https://otx.alienvault.com/browse/pulses?q=tag:msupdater>

Last change to this tool card: 20 April 2020

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All groups using tool MSUpdater

ChangedNameCountryObserved

APT groups

 Putter Panda, APT 2China2007 

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

Thailand Computer Emergency Response Team (ThaiCERT)
Electronic Transactions Development Agency

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