Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Hjumh' = '%APPDATA%\Microsoft\Credentials\7EjP20\sdclt.exe'
Creates or modifies the following files
- <SYSTEM32>\tasks\qqthdg
- %APPDATA%\Microsoft\windows\Start Menu\programs\startup\caojn.lnk
Malicious functions
Executes the following
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any
Injects code into
the following system processes:
- %WINDIR%\explorer.exe
Terminates or attempts to terminate
the following system processes:
- <SYSTEM32>\dxpserver.exe
- <SYSTEM32>\sdclt.exe
- <SYSTEM32>\cmstp.exe
the following user processes:
- firefox.exe
- iexplore.exe
Reads files which store third party applications passwords
- %HOMEPATH%\desktop\210252809.jpg
- %HOMEPATH%\desktop\parnas_01.jpeg
- %HOMEPATH%\desktop\uep_form_786_bulletin_1726i602.doc
Modifies file system
Creates the following files
- %LOCALAPPDATA%\hw1s0vyob\dwmapi.dll
- %LOCALAPPDATA%\hw1s0vyob\dxpserver.exe
- %APPDATA%\icqm\icq\html\tr\error\ygfqo2o\dwmapi.dll
- %APPDATA%\icqm\icq\html\tr\error\ygfqo2o\dxpserver.exe
- %LOCALAPPDATA%\l1iyskekd\wer.dll
- %LOCALAPPDATA%\l1iyskekd\sdclt.exe
- %APPDATA%\microsoft\credentials\7ejp20\wer.dll
- %APPDATA%\microsoft\credentials\7ejp20\sdclt.exe
- %LOCALAPPDATA%\5y9v\version.dll
- %LOCALAPPDATA%\5y9v\cmstp.exe
- %APPDATA%\mail.ru\agent\mra\smiles\ei0\version.dll
- %APPDATA%\mail.ru\agent\mra\smiles\ei0\cmstp.exe
Deletes the following files
- %LOCALAPPDATA%\hw1s0vyob\dwmapi.dll
- %LOCALAPPDATA%\hw1s0vyob\dxpserver.exe
- %LOCALAPPDATA%\l1iyskekd\sdclt.exe
- %LOCALAPPDATA%\l1iyskekd\wer.dll
- %LOCALAPPDATA%\5y9v\cmstp.exe
- %LOCALAPPDATA%\5y9v\version.dll
Modifies the following files
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1960123792-2022915161-3775307078-1001\f58155b4b1d5a524ca0261c3ee99fb50_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Substitutes the following files
- %APPDATA%\Microsoft\Crypto\RSA\S-1-5-21-1960123792-2022915161-3775307078-1001\f58155b4b1d5a524ca0261c3ee99fb50_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Miscellaneous
Creates and executes the following
- '%LOCALAPPDATA%\hw1s0vyob\dxpserver.exe'
- '%LOCALAPPDATA%\l1iyskekd\sdclt.exe'
- '%LOCALAPPDATA%\5y9v\cmstp.exe'
- '<SYSTEM32>\netsh.exe' advfirewall firewall add rule name="Core Networking - Multicast Listener Done (ICMPv4-In)" program="%WINDIR%\Explorer.EXE" dir=in action=allow protocol=TCP localport=any' (with hidden window)
