Ransomware Research

XiaoBa

XiaoBa was first discovered in October 2017 in enterprise cloud environments.

Name

XiaoBa

 

First Seen

October 2017

Targeting

Behavior of XiaoBa

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

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

Details

Characteristics of XiaoBa

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 XiaoBa ransomware is known to change.

Suffixes

.Encrypted[BaYuCheng@yeah.net].XiaBa, .[BaYuCheng@yeah.net].china, .AdolfHitler, /.XiaoBa[0-9]{1,2}$/

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 XiaoBa.

Type

File Name

Location

file

_@Explanation@_.hta

screenshot

Desktop

screenshot

Desktop

screenshot

Desktop

file

ReadMe.hta

RootDiscs, Desktop

file

_Help_.hta

RootDiscs, Desktop

message

OnceOnCompletion

Executables

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

Executables

1.exe, xiaoba.exe, Screenlocker.exe, #FlyStudio #ransomware, XiaoBa.exe, Game installer.exe, 病名は愛だつた病毒.exe, 病名は愛だった.exe, ϐۤä.exe, XiaoBa ransomware, pdf_20180118.exe, New Folder.exe, xiaozhan-hu.exe, XiaoZhan-HU.exe, XiaoZhan-HU.bat, xIsZtPeYtR.exe, Uninstaller 29.0, FlashUtil.exe, install_flash_player.exe, sample.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 XiaoBa.

External Pages

  • mailto:b32588601@163.com
  • mailto:theyucheng@yeah.net
  • mailto:bayucheng@yeah.net

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