Ransomware Research

Beast

Beast was first discovered in April 2024 in enterprise cloud environments.

Name

Beast

 

First Seen

April 2024

Targeting

Behavior of Beast

Beast is known to target specific file types. Below are all known file types that Beast is known to infect.

In some cases, ransomware will update the modified date, when it encrypts files. Beast updates the last modified date of the file it targets.

Details

Characteristics of Beast

Suffixes

Some ransomware will change or append a suffix to the end of the file after they are encrypted, including changing the extension of a file. Here are some of the possible suffixes that Beast ransomware is known to change.

Suffixes

.BEAST

Ransomware Notes

Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.

Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from Beast.

Type

File Name

Location

file

README.TXT

EveryFolder

Executables

These are the names of the executables that contain the undetonated ransomware payload for Beast.

Executables

beast_0e2e4d8f60a41616714aa765a70eb27337d9aa6ae2aa9817b824edd7c12a8d02.exe

External Pages

Ransomware often links to external pages such as payment pages, telegram contacts, etc. Below are some of the URLs Elastio has found to be associated with Beast.

External Pages

  • mailto:wangteam@skiff.com

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