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Threat Group Cards: A Threat Actor Encyclopedia

Permanent link Tool: Matryoshka RAT

NamesMatryoshka RAT
CategoryMalware
TypeBackdoor, Dropper, Loader, Info stealer
Description(ClearSky) The Matryoshka infection framework is built of three parts:

• Dropper
o Obfuscating code and signaling to the C2 that the file has been executed
o Launching the loader and using it to execute functions.
o Comparing anti-analysis logic and reporting it back to C2
• Reflective Loader
o Employing anti-debugging and anti-sandboxing techniques
o Runtime API Address resolver
o Covert DLL injection of the RAT library
o Persistence file on disk
• RAT component
o Configuring the Reflective Loader to survive reboots and process exits
o DNS Command and Control communication
o Common RAT functionalities
Information<https://s3-eu-west-1.amazonaws.com/minervaresearchpublic/CopyKittens/CopyKittens.pdf>
MITRE ATT&CK<https://attack.mitre.org/software/S0167/>
Malpedia<https://malpedia.caad.fkie.fraunhofer.de/details/win.matryoshka_rat>
AlienVault OTX<https://otx.alienvault.com/browse/pulses?q=tag:Matryoshka>

Last change to this tool card: 22 April 2020

Download this tool card in JSON format

All groups using tool Matryoshka RAT

ChangedNameCountryObserved

APT groups

 CopyKittens, Slayer KittenIran2013-Jan 2017 
 Magic Hound, APT 35, Cobalt Gypsy, Charming KittenIran2013-Jan 2021X

2 groups listed (2 APT, 0 other, 0 unknown)

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

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