Ransomware Research
About Buran
Buran
Buran was first discovered in June 2019 in enterprise cloud environments. Buran is found in environments with a number of different names, including Ghost, Buran-Ghost, etc. For a full list of all names, please see below.
| Name | Buran |
|---|---|
| AKA |
|
| First Seen | June 2019 |
Genealogy
To better understand Buran, we can trace it’s origins. Below is a snapshot of Buran’s genealogy.
| Vega » Jamper » Buran |
Targeting
Behavior of Buran
Buran is known to target specific file types. Below are all known file types that Buran is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. Buran updates the last modified date of the file it targets.
Learn More
Characteristics of Buran
Here are some of the unique characteristics that are helpful to know about Buran.
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 Buran ransomware is known to change.
| Suffixes | .ghost, /.[?[0-9A-F]{8}[-]?[0-9A-F]{4}[-]?[0-9A-F]{4}[-]?[0-9A-F]{4}[-]?[0-9A-F]{12}]?$/ |
|---|
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 Buran.
| Type | file |
|---|---|
| File Name | ===HOW TO RECOVER ENCRYPTED FILES===.TXT |
| Location | EveryFolder |
| Type | file |
|---|---|
| File Name | !!! YOUR FILES ARE ENCRYPTED !!!.TXT |
| Type | file |
|---|---|
| File Name | YOUR FILES ARE ENCRYPTED !!!.TXT |
| Type | file |
|---|---|
| File Name | !!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT |
| Location | EveryFolder |
Executables
These are the names of the executables that contain the undetonated ransomware payload for Buran.
| Executables | Playtech* Measuresentence, Rowrub.exe, lsass.exe, file.bin, ghost.exe, 2.exe, ctfmon.exe, SpybtIndentify, SpybtIndentify.exe, UMK40EED.EXE, b.exe, buran.exe, 1.exe, loseless.exe, OAA25E4H.exe, myfile.exe, sample.exe, CTFMON.EXE, Edwin Dewitt - CV.doc, LDR_2886.js, name, csrss.exe, svchost.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 Buran.
| External Pages |
|
|---|
How Elastio can help
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Elastio is a cloud-native data resilience platform on AWS, providing robust security and assuring the recoverability of critical data in cloud environments.
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