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Trojan.Siggen10.31460
Added to the Dr.Web virus database:
2020-09-28
Virus description added:
2020-09-30
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'Malwarebytes Anti-Exploit' = '%ProgramFiles(x86)%\Malwarebytes Anti-Exploit\mbae.exe'
Sets the following service settings
[<HKLM>\System\CurrentControlSet\Services\MbaeSvc] 'Start' = '00000002'
[<HKLM>\System\CurrentControlSet\Services\MbaeSvc] 'ImagePath' = '"%ProgramFiles(x86)%\Malwarebytes Anti-Exploit\mbae-svc.exe"'
[<HKLM>\System\CurrentControlSet\Services\ESProtectionDriver] 'Start' = '00000001'
[<HKLM>\System\CurrentControlSet\Services\ESProtectionDriver] 'ImagePath' = '%ProgramFiles(x86)%\Malwarebytes Anti-Exploit\mbae64.sys'
Creates the following services
'MbaeSvc' "%ProgramFiles(x86)%\Malwarebytes Anti-Exploit\mbae-svc.exe"
'MbaeSvc' %ProgramFiles(x86)%\Malwarebytes Anti-Exploit\mbae-svc.exe
'ESProtectionDriver' %ProgramFiles(x86)%\Malwarebytes Anti-Exploit\mbae64.sys
Malicious functions
Injects code into
the following system processes:
the following user processes:
Terminates or attempts to terminate
the following user processes:
Modifies file system
Creates the following files
%TEMP%\autee44.tmp
%ALLUSERSPROFILE%\malwarebytes anti-exploit\mbae-config.dat
%WINDIR%\temp\udd51d7.tmp
%ALLUSERSPROFILE%\malwarebytes anti-exploit\mbae-protector.xpe
%ALLUSERSPROFILE%\malwarebytes anti-exploit\mbae-svc.dat
%ALLUSERSPROFILE%\malwarebytes anti-exploit\mbae-service.log
%ALLUSERSPROFILE%\microsoft\windows\start menu\programs\malwarebytes anti-exploit\malwarebytes anti-exploit.lnk
%ALLUSERSPROFILE%\microsoft\windows\start menu\programs\malwarebytes anti-exploit\uninstall malwarebytes anti-exploit.lnk
%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-uninstall.log
%ALLUSERSPROFILE%\malwarebytes anti-exploit\mbae-default.log
%ProgramFiles(x86)%\malwarebytes anti-exploit\unins000.dat
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\content\edc238bff48a31d55a97e1e93892934b_c20e0da2d0f89fe526e1490f4a2ee5ab
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\metadata\35ddedf268117918d1d277a171d8df7b_02727cd9429a91dc1d2c7be7dfefde99
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\content\35ddedf268117918d1d277a171d8df7b_02727cd9429a91dc1d2c7be7dfefde99
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\metadata\bec6224b02d155a396218a2504f3ee0b
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\content\bec6224b02d155a396218a2504f3ee0b
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\metadata\739f2ff4259cdc6cbe7b90f1a95601ef
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\content\739f2ff4259cdc6cbe7b90f1a95601ef
%ALLUSERSPROFILE%\malwarebytes anti-exploit\mbae-report.dat
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\metadata\edc238bff48a31d55a97e1e93892934b_c20e0da2d0f89fe526e1490f4a2ee5ab
%ProgramFiles(x86)%\malwarebytes anti-exploit\is-rtlst.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\is-bonkp.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\is-hc5bs.tmp
%TEMP%\aut6f3.tmp
%WINDIR%\schemas\eapel\setup.exe
%TEMP%\aut87a.tmp
%WINDIR%\schemas\eapel\reg.reg
%TEMP%\is-n0gjj.tmp\setup.tmp
%TEMP%\is-n21jn.tmp\_isetup\_setup64.tmp
%TEMP%\is-n21jn.tmp\_isetup\_shfoldr.dll
%ProgramFiles(x86)%\malwarebytes anti-exploit\is-m33f3.tmp
%WINDIR%\schemas\eapel\banner.jpg
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-d8ei5.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-hfvhk.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-gj53k.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-sbijp.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-kemjr.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-32l0e.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-lg8sj.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-davrm.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\is-orsib.tmp
%ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-d5n4m.tmp
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\metadata\35ddedf268117918d1d277a171d8df7b_745a5d32ec1306e9394282e9e679293d
%WINDIR%\syswow64\config\systemprofile\appdata\locallow\microsoft\cryptneturlcache\content\35ddedf268117918d1d277a171d8df7b_745a5d32ec1306e9394282e9e679293d
Deletes the following files
%TEMP%\autee44.tmp
%TEMP%\aut6f3.tmp
%TEMP%\aut87a.tmp
%WINDIR%\temp\udd51d7.tmp
%TEMP%\is-n21jn.tmp\_isetup\_setup64.tmp
%TEMP%\is-n21jn.tmp\_isetup\_shfoldr.dll
%TEMP%\is-n0gjj.tmp\setup.tmp
%WINDIR%\schemas\eapel\banner.jpg
%WINDIR%\schemas\eapel\reg.reg
%WINDIR%\schemas\eapel\setup.exe
Moves the following files
from %ProgramFiles(x86)%\malwarebytes anti-exploit\is-m33f3.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\unins000.exe
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae.exe to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae.exe
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae64.sys to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae64.sys
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae.sys to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae.sys
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae-api-na.dll to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-api-na.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae-api.dll to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-api.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae64.dll to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae64.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae.dll to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\is-rtlst.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\changelog.txt
from %ProgramFiles(x86)%\malwarebytes anti-exploit\is-bonkp.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae.chm
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae64.exe to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae64.exe
from %ProgramFiles(x86)%\malwarebytes anti-exploit\is-hc5bs.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\license.rtf
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-davrm.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-lg8sj.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae-api-na.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-32l0e.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae-api.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-kemjr.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae.sys
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-sbijp.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae-svc.exe
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-gj53k.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae.exe
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-hfvhk.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae64.dll
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-d5n4m.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae64.sys
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\is-d8ei5.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae64.exe
from %ProgramFiles(x86)%\malwarebytes anti-exploit\is-orsib.tmp to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-uninstaller.exe
from %ProgramFiles(x86)%\malwarebytes anti-exploit\tmp\mbae-svc.exe to %ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-svc.exe
Network activity
TCP
'si####.mwbsys.com':443
'st###.#bamupdates.com':443
UDP
DNS ASK si####.mwbsys.com
DNS ASK st###.#bamupdates.com
Miscellaneous
Searches for the following windows
ClassName: 'MainGuiAnti-Exploit' WindowName: ''
ClassName: 'RegEdit_RegEdit' WindowName: ''
Creates and executes the following
'%WINDIR%\schemas\eapel\setup.exe' /VERYSILENT
'%TEMP%\is-n0gjj.tmp\setup.tmp' /SL5="$100154,1763115,56832,%WINDIR%\schemas\EAPEl\setup.exe" /VERYSILENT
'%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-uninstaller.exe' /install
'%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-svc.exe' -install
'%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-svc.exe'
'%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae64.exe' /mbt
'%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae64.exe' /Start 0 "eqnedt32.exe|winrar.exe|winzip.exe|7z.exe|7zFM.exe|7zG.exe|S7Z.exe|7zextractor.exe|Winzip32.exe|Winzip64.exe|wzdisktools.exe|winzipss.exe|cmd.exe|winhlp32.exe|mshta.exe|wscript.exe|cs...
'%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae.exe'
'<SYSTEM32>\cmd.exe' /C setup.exe /VERYSILENT' (with hidden window)
'%ProgramFiles(x86)%\malwarebytes anti-exploit\mbae-uninstaller.exe' /install' (with hidden window)
'%WINDIR%\regedit.exe' /S reg.reg' (with hidden window)
Executes the following
'<SYSTEM32>\cmd.exe' /c netsh interface set interface name="Ethernet" admin=disabled
'<SYSTEM32>\netsh.exe' interface set interface name="Ethernet" admin=disabled
'<SYSTEM32>\cmd.exe' /C setup.exe /VERYSILENT
'%WINDIR%\regedit.exe' /S reg.reg
'<SYSTEM32>\cmd.exe' /c netsh interface set interface name="Ethernet" admin=enabled
'<SYSTEM32>\netsh.exe' interface set interface name="Ethernet" admin=enabled
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
Download Dr.Web for Android
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Renew your trial license in AppGallery/on Google Pay
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