Ransomware Research

Bisamware

Bisamware was first discovered in September 2022 in enterprise cloud environments.

Name

Bisamware

 

First Seen

September 2022

Targeting

Behavior of Bisamware

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

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

Details

Characteristics of Bisamware

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 Bisamware ransomware is known to change.

Suffixes

.BISAMWARE

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 Bisamware.

Type

File Name

Location

file

SYSTEM=RANSOMWARE=INFECTED.TXT

Executables

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

Executables

Bewerbung.docx, Lukas_Frankenhauser_Bewerbung.docx, Bisamware.dll, putty.bin, BISAMWARE, Prisma.win_PATCHED.exe, putty.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 Bisamware.

External Pages

  • http://yfoj3s7ov6e3k7pboeumnj6rcq5h4kbdm5ogfc4tsv2eq2eed3rllrad.onion
  • http://yfoj3s7ov6e3k7pboeumnj6rcq5h4kbdm5ogfc4tsv2eq2eed3rllrad.onion/chat.php?user_id=1&uniqueChatID=32311264584964956844096100220***
  • http://yfoj3s7ov6e3k7pboeumnj6rcq5h4kbdm5ogfc4tsv2eq2eed3rllrad.onion/how_to_purchase_bitcoins.mp4

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