Technical Information
Malicious functions
To complicate detection of its presence in the operating system,
deletes volume shadow copies.
Executes the following
- '<SYSTEM32>\net.exe' stop avpsus /y
- '<SYSTEM32>\net.exe' stop McAfeeDLPAgentService /y
- '<SYSTEM32>\net.exe' stop mfewc /y
- '<SYSTEM32>\net.exe' stop BMR Boot Service /y
- '<SYSTEM32>\net.exe' stop NetBackup BMR MTFTP Service /y
- '<SYSTEM32>\taskkill.exe' /IM mspub.exe /F
- '<SYSTEM32>\taskkill.exe' /IM mydesktopqos.exe /F
- '<SYSTEM32>\taskkill.exe' /IM mydesktopservice.exe /F
Modifies file system
Creates the following files
- %TEMP%\mgumxgvo.exe
- %APPDATA%\mozilla\firefox\profiles\gn7ryp3k.default\pluginreg.dat.crypted
- %APPDATA%\microsoft\office\recent\index.dat.crypted
- %APPDATA%\microsoft\msdn\7.0\objbrow.dat.crypted
- %APPDATA%\microsoft\dbgclr\7.1\objbrow.dat.crypted
- %APPDATA%\mail.ru\agent\vplog.dat.crypted
- %APPDATA%\icqm\vplog.dat.crypted
- %APPDATA%\adobe\acrobat\dc\preferences\defaultheuristics.dat.crypted
- %APPDATA%\telegram desktop\unins000.dat.crypted
- %LOCALAPPDATA%\adobe\acrobat\dc\iconcacherdr.dat.crypted
- %PROGRAMDATA%\microsoft\rac\statedata\racwmidatabookmarks.dat.crypted
- %PROGRAMDATA%\microsoft\rac\statedata\racmetadata.dat.crypted
- %PROGRAMDATA%\microsoft\officesoftwareprotectionplatform\cache\cache.dat.crypted
- %PROGRAMDATA%\microsoft\officesoftwareprotectionplatform\tokens.dat.crypted
- %PROGRAMDATA%\microsoft\network\downloader\qmgr1.dat.crypted
- %PROGRAMDATA%\microsoft\network\downloader\qmgr0.dat.crypted
- %TEMP%\eosw2gnh.exe
- %PROGRAMDATA%\microsoft\rac\statedata\racwmieventdata.dat.crypted
- %APPDATA%\thunderbird\profiles\wjj9aet2.default\mailviews.dat.crypted
Deletes the following files
- %TEMP%\eosw2gnh.exe
Moves the following files
- from %TEMP%\microsoft .net framework 4.5.2 setup_20151216_212237215-msi_netfx_full_gdr_x64.msi.txt to %TEMP%\microsoft .net framework 4.5.2 setup_20151216_212237215-msi_netfx_full_gdr_x64.msi.txt.crypted
Network activity
TCP
- 'ra#.####ubusercontent.com':443
UDP
- DNS ASK ra#.####ubusercontent.com
- '<LOCALNET>.75.255':3
Miscellaneous
Searches for the following windows
- ClassName: 'TaskManagerWindow' WindowName: 'Administrador de tareas'
- ClassName: '#32770' WindowName: 'Task Manager'
- ClassName: '#32770' WindowName: ''
- ClassName: 'SysListView32' WindowName: 'Processes'
- ClassName: '' WindowName: ''
Executes the following
- '<SYSTEM32>\net1.exe' stop avpsus /y
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=h: /on=h: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=g: /on=g: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=g: /on=g: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=f: /on=f: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=f: /on=f: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=e: /on=e: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=e: /on=e: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=d: /on=d: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=d: /on=d: /maxsize=401MB
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=c: /on=c: /maxsize=unbounded
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=c: /on=c: /maxsize=401MB
- '<SYSTEM32>\svchost.exe' -k swprv
- '<SYSTEM32>\vssvc.exe'
- '<SYSTEM32>\sc.exe' config SstpSvc start= disabled
- '<SYSTEM32>\sc.exe' config SQLWriter start= disabled
- '<SYSTEM32>\sc.exe' config SQLTELEMETRY$ECWDB2 start= disabled
- '<SYSTEM32>\sc.exe' config SQLTELEMETRY start= disabled
- '<SYSTEM32>\net1.exe' stop NetBackup BMR MTFTP Service /y
- '<SYSTEM32>\net1.exe' stop BMR Boot Service /y
- '<SYSTEM32>\net1.exe' stop mfewc /y
- '<SYSTEM32>\net1.exe' stop McAfeeDLPAgentService /y
- '<SYSTEM32>\vssadmin.exe' resize shadowstorage /for=h: /on=h: /maxsize=unbounded
- '<SYSTEM32>\arp.exe' -a
