Ransomware Research

BlackBasta

BlackBasta was first discovered in April 2022 in enterprise cloud environments. BlackBasta is found in environments with a number of different names, including Black Basta, SafeMode, BlackBasta Doxware, etc. For a full list of all names, please see below.

Name

BlackBasta

 

First Seen

April 2022

Targeting

Behavior of BlackBasta

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

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

Details

Characteristics of BlackBasta

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 BlackBasta ransomware is known to change.

Suffixes

.basta, .a3y00dywf, .vokou2s5g

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 BlackBasta.

Type

File Name

Location

file

readme.txt

EveryFolder

file

instructions_read_me.txt

EveryFolder

Executables

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

Executables

ADA1.exe, UpdateReminder.exe, MONDIAL_c.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 BlackBasta.

External Pages

  • http://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion
  • https://bastad5huzwkepdixedg2gekg7jk22ato24zyllp6lnjx7wdtyctgvyd.onion/
  • https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80

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