Type
File Name
Location
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
First Seen
June 2019
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.
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}]?$/
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 Name Location file ===HOW TO RECOVER ENCRYPTED FILES===.TXT EveryFolder file !!! YOUR FILES ARE ENCRYPTED !!!.TXT EveryFolder file YOUR FILES ARE ENCRYPTED !!!.TXT file !!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT EveryFolder
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
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
