2021-09-17 (FRIDAY) - SQUIRRELWAFFLE LOADER WITH COBALT STRIKE

NOTICE:

• The zip archives on this page have been updated, and they now use the new password scheme.  For the new password, see the "about" page of this website.

ASSOCIATED FILES:

• 2021-09-17-IOCs-for-Squirrelwaffle-loader-with-Cobalt-Strike.txt.zip   3.6 kB   (3,563 bytes)
• 2021-09-17-Word-docs-for-Squirrelwaffle-Loader-10-examples.zip   1.3 MB   (1,348,874 bytes)
• 2021-09-17-Squirrelwaffle-loader-with-Cobalt-Strike.pcap.zip   7.0 MB   (7,008,533 bytes)
• 2021-09-17-Squirrelwaffle-and-Cobalt-Strike-malware-and-artifacts.zip   559 kB   (559,022 bytes)

 

NOTES:

• See 2021-09-17-IOCs-for-Squirrelwaffle-loader-with-Cobalt-Strike.txt.zip for more info on Squirrelwaffle Loader and this specific infection.

 

IMAGES

Shown above:  Link for malicious zip archive from an email pushing Squirrelwaffle loader.

 

Shown above:  Word doc extracted from downloaded zip archive.

 

Shown above:  Squirrelwaffle artifacts from an infected Windows host.

 

Shown above:  Traffic from a Squirrelwaffle loader infection filtered in Wireshark.

 

Shown above:  Windows EXE for Cobalt Strike seen as follow-up malware.

 

Shown above:  Traffic filtered in Wireshark showing when Cobalt Strike activity started.

 

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