Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'MaxLoonaFest131' = '%LOCALAPPDATA%\MaxLoonaFest131\MaxLoonaFest131.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\firefox default browser agent 1ab6ebc02235d972
- %APPDATA%\microsoft\windows\start menu\programs\startup\fanbooster131.lnk
- <SYSTEM32>\tasks\officetrackernmp131 hr
- <SYSTEM32>\tasks\officetrackernmp131 lg
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
- Windows Defender
adds antivirus exclusion with following registry keys:
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{7477DF16-8E06-44F0-A7AB-45B5247817C1}Machine\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions] 'exe' = ''
- [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions] 'exe' = ''
Reads files which store third party applications passwords
- %APPDATA%\mozilla\firefox\profiles.ini
- %APPDATA%\mozilla\firefox\profiles\yfwt7ezn.default-release-1\signons.sqlite
- %APPDATA%\mozilla\firefox\profiles\bcjnbgva.default\signons.sqlite
- %APPDATA%\mozilla\firefox\profiles\0j9e9tku.default-release\signons.sqlite
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %LOCALAPPDATA%\google\chrome\user data\default\web data
- %LOCALAPPDATA%\google\chrome\user data\default\cookies
Modifies file system
Creates the following files
- %APPDATA%\strujsr
- %TEMP%\posterboxhgnmcjsloqmxo\iwpfiaxutjtshistory
- %TEMP%\posterboxhgnmcjsloqmxo\5lop_s5wm5ercookies
- %TEMP%\posterboxhgnmcjsloqmxo\oopemfmu_xsjplaces.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\3b6n2xdh3cywweb data
- %TEMP%\posterboxhgnmcjsloqmxo\02zdbxl47cvzhistory
- %TEMP%\posterboxhgnmcjsloqmxo\d87fzn3r3jfeweb data
- %TEMP%\posterboxhgnmcjsloqmxo\5lop_s5wm5erplaces.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\ei8dramayu9klogin data
- %TEMP%\posterboxhgnmcjsloqmxo\3b6n2xdh3cywformhistory.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\02zdbxl47cvzformhistory.sqlite
- %TEMP%\rise131m9asphalt.tmp
- %ALLUSERSPROFILE%\ntuser.pol
- %ALLUSERSPROFILE%\officetrackernmp131\officetrackernmp131.exe
- %TEMP%\fanbooster131\fanbooster131.exe
- %LOCALAPPDATA%\maxloonafest131\maxloonafest131.exe
- <SYSTEM32>\grouppolicy\gpt.ini
- <SYSTEM32>\grouppolicy\machine\registry.pol
- %WINDIR%\syswow64\grouppolicy\gpt.ini
- %TEMP%\ixp003.tmp\3vh88bl.exe
- %TEMP%\ixp003.tmp\1qo04cd9.exe
- %TEMP%\ixp002.tmp\4st568cy.exe
- %TEMP%\ixp002.tmp\ds2qx56.exe
- %TEMP%\ixp001.tmp\5ge7gw6.exe
- %TEMP%\ixp001.tmp\nf8gk01.exe
- %TEMP%\ixp000.tmp\6it7xw7.exe
- %TEMP%\ixp000.tmp\pg0bq56.exe
- %TEMP%\7ee9.exe
- %TEMP%\720d.exe
- %TEMP%\e6e5.bat
- %TEMP%\posterboxhgnmcjsloqmxo\iwpfiaxutjtscookies.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\qdx9itdlycrbcookies.sqlite
Sets the 'hidden' attribute to the following files
- %APPDATA%\strujsr
Deletes the following files
- %TEMP%\posterboxhgnmcjsloqmxo\02zdbxl47cvzformhistory.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\ei8dramayu9klogin data
- %TEMP%\posterboxhgnmcjsloqmxo\3b6n2xdh3cywformhistory.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\d87fzn3r3jfeweb data
- %TEMP%\posterboxhgnmcjsloqmxo\02zdbxl47cvzhistory
- %TEMP%\posterboxhgnmcjsloqmxo\3b6n2xdh3cywweb data
- %TEMP%\posterboxhgnmcjsloqmxo\5lop_s5wm5erplaces.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\oopemfmu_xsjplaces.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\5lop_s5wm5ercookies
- %TEMP%\posterboxhgnmcjsloqmxo\iwpfiaxutjtshistory
- %TEMP%\posterboxhgnmcjsloqmxo\iwpfiaxutjtscookies.sqlite
- %TEMP%\posterboxhgnmcjsloqmxo\qdx9itdlycrbcookies.sqlite
Deletes itself.
Network activity
Connects to
- 'ho####ost-file8.com':80
- 'ed###luloom.com':443
- 'pk#.goog':80
- 'br##uax.com':80
- '18#.#96.8.238':80
- '10#.#07.182.45':80
- '19#.#33.132.51':50500
- 'ip##fo.io':443
- 'db##p.com':443
- 'ma##ind.com':80
TCP
HTTP GET requests
- http://pk#.goog/gsr1/gsr1.crt
- http://br##uax.com/dl/buildz.exe
- http://18#.#96.8.238/Mifld.exe
- http://10#.#07.182.45/red/line.exe
- http://www.ma##ind.com/geoip/v2.1/city/me
HTTP POST requests
- http://ho####ost-file8.com/
Other
- 'ed###luloom.com':443
- '19#.#33.132.51':50500
- 'ip##fo.io':443
- 'db##p.com':443
UDP
- DNS ASK ho####ile-host6.com
- DNS ASK ho####ost-file8.com
- DNS ASK ed###luloom.com
- DNS ASK pk#.goog
- DNS ASK br##uax.com
- DNS ASK ip##fo.io
- DNS ASK db##p.com
- DNS ASK ma##ind.com
Miscellaneous
Creates and executes the following
- '%TEMP%\720d.exe'
- '%TEMP%\7ee9.exe'
- '%TEMP%\ixp000.tmp\pg0bq56.exe'
- '%TEMP%\ixp001.tmp\nf8gk01.exe'
- '%TEMP%\ixp002.tmp\ds2qx56.exe'
- '%TEMP%\ixp003.tmp\1qo04cd9.exe'
- '%APPDATA%\strujsr'
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\E6E5.bat" "' (with hidden window)
- '%TEMP%\ixp000.tmp\pg0bq56.exe' ' (with hidden window)
- '%TEMP%\ixp001.tmp\nf8gk01.exe' ' (with hidden window)
- '%TEMP%\ixp002.tmp\ds2qx56.exe' ' (with hidden window)
- '%TEMP%\ixp003.tmp\1qo04cd9.exe' ' (with hidden window)
- '%APPDATA%\strujsr' ' (with hidden window)
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\E6E5.bat" "
- '<SYSTEM32>\reg.exe' add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
- '%WINDIR%\syswow64\schtasks.exe' /create /f /RU "user" /tr "%ALLUSERSPROFILE%\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
- '<SYSTEM32>\svchost.exe' -k secsvcs
- '%WINDIR%\syswow64\schtasks.exe' /create /f /RU "user" /tr "%ALLUSERSPROFILE%\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
- '<SYSTEM32>\raserver.exe' /offerraupdate
- '<SYSTEM32>\taskeng.exe' {E6F01DC3-6CC6-497D-9A87-C00EF865FD61} S-1-5-21-1238866942-1249195528-555854008-1000:yjnewyerl\user:Interactive:[1]
