Ransomware Research

SilentAnonymous

SilentAnonymous was first discovered in January 2024 in enterprise cloud environments.

Name

SilentAnonymous

 

First Seen

January 2024

Targeting

Behavior of SilentAnonymous

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

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

Details

Characteristics of SilentAnonymous

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 SilentAnonymous ransomware is known to change.

Suffixes

.SILENTATTACK

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 SilentAnonymous.

Type

File Name

Location

file

Silent_Anon.txt

EveryFolder

screenshot

Desktop

Executables

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

Executables

silent_attack.exe, darkred.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 SilentAnonymous.

External Pages

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