Themida

Created the Sunday 19 June 2022. Updated 5 months, 3 weeks ago.

Themida is a commercial known packer that embeds several features including anti-debugging, virtual machine emulation, encryption...

  • Anti-debugger techniques that detect/fool any kind of debugger

  • Anti-memory dumpers techniques for any Ring3 and Ring0 dumpers

  • Different encryption algorithms and keys in each protected application

  • Anti-API scanners techniques that avoids reconstruction of original import table

  • Automatic decompilation and scrambling techniques in target application

  • Virtual Machine emulation in specific blocks of code

  • Advanced Mutator engine

  • Anti-disassembly techniques for any static and interactive disassembler

  • Multiple polymorphic layers with more than 50.000 permutations

  • Anti-monitors techniques against file and registry monitors

  • Random garbage code insertion between real instructions

  • Advanced Threads network communication

  • Anti-Memory patching and CRC techniques in target application

  • Metamorphic engine to scramble original instructions

  • Advanced Entry point protection

  • Dynamic encryption in target application

  • Anti-tracing code insertion between real instructions

  • Advanced Anti-breakpoint manager

  • Real time protection in target application

  • Compression of target application, resources and protection code

  • Anti-“debugger hiders” techniques

  • Full mutation in protection code to avoid pattern recognition

  • Real-time simulation in target application

  • Intelligent protection code insertion inside target application

  • Random internal data relocation


Technique Identifiers

U1406 F0001.011

Technique Tag

themida


Detection Rules

Additional Resources

External Links

The resources provided below are associated links that will give you even more detailed information and research on current evasion technique. It is important to note that, while these resources may be helpful, it is important to exercise caution when following external links. As always, be careful when clicking on links from unknown sources, as they may lead to malicious content.


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