BlackMatter was first discovered in July 2021 in enterprise cloud environments.
|First Seen||July 2021|
To better understand BlackMatter, we can trace it’s origins. Below is a snapshot of BlackMatter’s genealogy.
|DarkSide » REvil » LockBit » BlackMatter|
Behavior of BlackMatter
BlackMatter is known to target specific file types. Below are all known file types that BlackMatter is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. BlackMatter updates the last modified date of the file it targets.
Characteristics of BlackMatter
Here are some of the unique characteristics that are helpful to know about BlackMatter.
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 BlackMatter ransomware is known to change.
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 BlackMatter.
These are the names of the executables that contain the undetonated ransomware payload for BlackMatter.
|Executables||darkside.exe, dfdsf.exe, v2.bin.exe, OTSLG.ps1|
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 BlackMatter.
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