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Exploit.Siggen2.47133

Added to the Dr.Web virus database: 2020-10-02

Virus description added:

Technical Information

Malicious functions
Creates and executes the following (exploit)
  • 'C:\users\public\vbc.exe'
Injects code into
the following system processes:
  • %WINDIR%\syswow64\rundll32.exe
Searches for registry branches where third party applications store passwords
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
  • [<HKCU>\Software\Martin Prikryl\WinSCP 2\Sessions\]
Reads files which store third party applications passwords
  • %LOCALAPPDATA%\google\chrome\user data\default\login data
  • %APPDATA%\opera software\opera stable\login data
  • %LOCALAPPDATA%\google\chrome\user data\default\cookies
  • %LOCALAPPDATA%\google\chrome\user data\default\web data
Modifies file system
Creates the following files
  • C:\users\public\vbc.exe
  • %TEMP%\ae64eded\nss3.dll
  • %TEMP%\ae64eded\msvcp140.dll
  • %TEMP%\ae64eded\mozglue.dll
  • %TEMP%\ae64eded\freebl3.dll
  • %TEMP%\ae64eded\api-ms-win-crt-utility-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-time-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-string-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-stdio-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-util-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-runtime-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-private-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-multibyte-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-math-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-locale-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-heap-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-filesystem-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-environment-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-convert-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-process-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-conio-l1-1-0.dll
  • %TEMP%\ae64eded\nssdbm3.dll
  • %TEMP%\1110976223547257592383.tmp
  • %TEMP%\1111132731870025148790.tmp
  • %TEMP%\11111179390859765506187.tmp
  • %TEMP%\11111016483294072314839.tmp
  • %TEMP%\11111017027854554811228.tmp
  • %TEMP%\1111101322034915207279.tmp
  • %TEMP%\11110859057464622276116.tmp
  • %TEMP%\11110854623299951223760.tmp
  • %TEMP%\11110392366377310176959.tmp-shm
  • %TEMP%\ae64eded\ucrtbase.dll
  • %TEMP%\ae64eded\softokn3.dll
  • %TEMP%\11109618762684423551222.tmp
  • %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
  • %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
  • %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
  • %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
  • %TEMP%\11093236451170396119281.tmp
  • %TEMP%\1109307950868343897288.tmp
  • %TEMP%\ae64eded\vcruntime140.dll
  • %TEMP%\11110392366377310176959.tmp
  • %TEMP%\ae64eded\api-ms-win-core-timezone-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-sysinfo-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-synch-l1-2-0.dll
  • %APPDATA%\yonetici\agent\ht\vnd.ms-wpl.xml
  • %APPDATA%\yonetici\agent\ht\xslt+xml.xml
  • %APPDATA%\yonetici\agent\ht\org.gnome.software.plugin.fwupd.metainfo.xml
  • %APPDATA%\yonetici\agent\ht\examplept-br.xml
  • %APPDATA%\yonetici\agent\ht\zipexestub.exe
  • %APPDATA%\yonetici\agent\ht\vcdeployui.dll
  • %TEMP%\go\model41.xml
  • %TEMP%\priggery
  • %TEMP%\go\gparted.appdata.xml
  • %TEMP%\go\35.opends60.dll
  • %TEMP%\go\model112.xml
  • %TEMP%\go\x-font-libgrx.xml
  • %TEMP%\go\aspnetregsql.exe
  • %TEMP%\go\25.opends60.dll
  • %TEMP%\gone\documentation\spiderette.xml
  • %TEMP%\uninst.exe
  • %TEMP%\nsbbcba.tmp
  • %TEMP%\go\pidgen.dll
  • %TEMP%\moustache.dll
  • %APPDATA%\yonetici\agent\ht\org.gnome.gedit.plugins.pythonconsole.gschema.xml
  • %TEMP%\ae64eded\api-ms-win-core-console-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-synch-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-localization-l1-2-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-string-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-rtlsupport-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-profile-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-processthreads-l1-1-1.dll
  • %TEMP%\ae64eded\api-ms-win-core-processthreads-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-processenvironment-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-namedpipe-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-memory-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-libraryloader-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-datetime-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-interlocked-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-heap-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-handle-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-file-l2-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-file-l1-2-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-file-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-errorhandling-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-debug-l1-1-0.dll
  • %TEMP%\1111132305073305716469.tmp
  • %TEMP%\1111132305073305716469.tmp-shm
Deletes the following files
  • %TEMP%\1109307950868343897288.tmp
  • %TEMP%\ae64eded\api-ms-win-core-rtlsupport-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-string-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-synch-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-synch-l1-2-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-sysinfo-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-timezone-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-util-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-conio-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-convert-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-environment-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-filesystem-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-heap-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-locale-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-multibyte-l1-1-0.dll
  • %TEMP%\ae64eded\ucrtbase.dll
  • %TEMP%\ae64eded\api-ms-win-crt-private-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-process-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-runtime-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-stdio-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-string-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-time-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-utility-l1-1-0.dll
  • %TEMP%\ae64eded\freebl3.dll
  • %TEMP%\ae64eded\mozglue.dll
  • %TEMP%\ae64eded\msvcp140.dll
  • %TEMP%\ae64eded\nss3.dll
  • %TEMP%\ae64eded\nssdbm3.dll
  • %TEMP%\ae64eded\softokn3.dll
  • %TEMP%\ae64eded\api-ms-win-core-profile-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-crt-math-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-processthreads-l1-1-1.dll
  • %TEMP%\1111132305073305716469.tmp
  • %TEMP%\11093236451170396119281.tmp
  • %TEMP%\11109618762684423551222.tmp
  • %TEMP%\1110976223547257592383.tmp
  • %TEMP%\11110392366377310176959.tmp-shm
  • %TEMP%\11110392366377310176959.tmp
  • %TEMP%\11110854623299951223760.tmp
  • %TEMP%\11110859057464622276116.tmp
  • %TEMP%\1111101322034915207279.tmp
  • %TEMP%\11111017027854554811228.tmp
  • %TEMP%\11111016483294072314839.tmp
  • %TEMP%\11111179390859765506187.tmp
  • %TEMP%\1111132731870025148790.tmp
  • %TEMP%\1111132305073305716469.tmp-shm
  • %TEMP%\ae64eded\api-ms-win-core-console-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-processenvironment-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-datetime-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-debug-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-errorhandling-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-file-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-file-l1-2-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-file-l2-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-handle-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-heap-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-interlocked-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-libraryloader-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-localization-l1-2-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-memory-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-namedpipe-l1-1-0.dll
  • %TEMP%\ae64eded\api-ms-win-core-processthreads-l1-1-0.dll
  • %TEMP%\ae64eded\vcruntime140.dll
Network activity
TCP
HTTP GET requests
  • http://si###atics.ga/~zadmin/lk/a/de.exe
HTTP POST requests
  • http://si###atics.ga/~zadmin/lk/a/az/ch/index.php
UDP
  • DNS ASK si###atics.ga
Miscellaneous
Creates and executes the following
  • '%WINDIR%\syswow64\cmd.exe' /c <SYSTEM32>\timeout.exe 3 & del "rundll32.exe"' (with hidden window)
Executes the following
  • '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
  • '%WINDIR%\syswow64\rundll32.exe' Moustache,Bibliopegy
  • '%WINDIR%\syswow64\rundll32.exe'
  • '%WINDIR%\syswow64\cmd.exe' /c <SYSTEM32>\timeout.exe 3 & del "rundll32.exe"
  • '%WINDIR%\syswow64\timeout.exe' 3

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