Exploit.Siggen.6129

Technical Information

Malicious functions

Creates and executes the following (exploit)

'%TEMP%\u.b'

Executes the following (exploit)

'%WINDIR%\syswow64\cmd.exe' /c %tmp%\u.b

Searches for registry branches where third party applications store passwords

[<HKCU>\Software\Far\Plugins\FTP\Hosts]
[<HKCU>\Software\SimonTatham\PuTTY\Sessions]
[<HKCU>\Software\LinasFTP\Site Manager]
[<HKLM>\SOFTWARE\Robo-FTP 3.7\Scripts]
[<HKLM>\SOFTWARE\Wow6432Node\Robo-FTP 3.7\Scripts]
[<HKCU>\SOFTWARE\Robo-FTP 3.7\Scripts]
[<HKLM>\SOFTWARE\Wow6432Node\Robo-FTP 3.7\FTPServers]
[<HKCU>\SOFTWARE\Robo-FTP 3.7\FTPServers]
[<HKCU>\Software\FlashPeak\BlazeFtp\Settings]
[<HKLM>\Software\Wow6432Node\South River Technologies\WebDrive\Connections]
[<HKCU>\Software\South River Technologies\WebDrive\Connections]
[<HKLM>\Software\Wow6432Node\Martin Prikryl]
[<HKCU>\Software\Martin Prikryl]
[<HKLM>\Software\Wow6432Node\SoftX.org\FTPClient\Sites]
[<HKCU>\Software\SoftX.org\FTPClient\Sites]
[<HKLM>\Software\Wow6432Node\FTPClient\Sites]
[<HKCU>\Software\FTPClient\Sites]
[<HKLM>\SOFTWARE\Wow6432Node\NCH Software\Fling\Accounts]
[<HKCU>\SOFTWARE\NCH Software\Fling\Accounts]
[<HKCU>\Software\NCH Software\ClassicFTP\FTPAccounts]
[<HKLM>\Software\Wow6432Node\SimonTatham\PuTTY\Sessions]
[<HKCU>\Software\CoffeeCup Software]
[<HKLM>\Software\Wow6432Node\CoffeeCup Software]
[<HKCU>\Software\MAS-Soft\FTPInfo\Setup]
[<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
[<HKLM>\Software\Microsoft\Internet Account Manager]
[<HKLM>\Software\Wow6432Node\Microsoft\Internet Account Manager]
[<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Internet Account Manager\Accounts]
[<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
[<HKLM>\Software\RIT\The Bat!\Users depot]
[<HKLM>\Software\Wow6432Node\RIT\The Bat!\Users depot]
[<HKLM>\Software\RIT\The Bat!]
[<HKLM>\Software\Wow6432Node\RIT\The Bat!]
[<HKCU>\Software\RIT\The Bat!]
[<HKCU>\Software\RIT\The Bat!\Users depot]
[<HKLM>\Software\RimArts\B2\Settings]
[<HKLM>\Software\Wow6432Node\RimArts\B2\Settings]
[<HKCU>\Software\RimArts\B2\Settings]
[<HKCU>\Software\Microsoft\Windows Mail]
[<HKCU>\Software\Microsoft\Windows Live Mail]
[<HKLM>\Software\Wow6432Node\Nico Mak Computing\WinZip\mru\jobs]
[<HKCU>\Software\Nico Mak Computing\WinZip\mru\jobs]
[<HKLM>\Software\Wow6432Node\Nico Mak Computing\WinZip\FTP]
[<HKCU>\Software\Nico Mak Computing\WinZip\FTP]
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Microsoft Outlook Internet Settings]
[<HKLM>\Software\Wow6432Node\NCH Software\ClassicFTP\FTPAccounts]
[<HKCU>\Software\ExpanDrive\Sessions]
[<HKCU>\Software\Cryer\WebSitePublisher]
[<HKCU>\Software\FlashFXP]
[<HKCU>\Software\FlashFXP\3]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Professional\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 8 Home\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Professional\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 7 Home\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Professional\QCToolbar]
[<HKCU>\Software\GlobalSCAPE\CuteFTP 6 Home\QCToolbar]
[<HKLM>\Software\Ghisler\Total Commander]
[<HKLM>\Software\Wow6432Node\Ghisler\Total Commander]
[<HKCU>\Software\Ghisler\Total Commander]
[<HKLM>\Software\Ghisler\Windows Commander]
[<HKLM>\Software\Wow6432Node\Ghisler\Windows Commander]
[<HKCU>\Software\Ghisler\Windows Commander]
[<HKCU>\Software\Far Manager\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Far2\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Far\SavedDialogHistory\FTPHost]
[<HKCU>\Software\Far Manager\Plugins\FTP\Hosts]
[<HKCU>\Software\Far2\Plugins\FTP\Hosts]
[<HKLM>\Software\Wow6432Node\FlashFXP\3]
[<HKLM>\Software\FlashFXP\3]
[<HKLM>\Software\Wow6432Node\FlashFXP]
[<HKLM>\Software\FlashFXP]
[<HKCU>\Software\FTP Explorer\Profiles]
[<HKCU>\Software\FTP Explorer\FTP Explorer\Workspace\MFCToolBar-224]
[<HKCU>\Software\FTPWare\COREFTP\Sites]
[<HKCU>\Software\CoffeeCup Software\Internet\Profiles]
[<HKCU>\Software\Sota\FFFTP\Options]
[<HKCU>\Software\Sota\FFFTP]
[<HKLM>\Software\TurboFTP]
[<HKLM>\Software\Wow6432Node\TurboFTP]
[<HKCU>\Software\TurboFTP]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Options]
[<HKCU>\Software\BPFTP]
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Options]
[<HKCU>\Software\BulletProof Software\BulletProof FTP Client\Main]
[<HKCU>\Software\BPFTP\Bullet Proof FTP\Main]
[<HKLM>\Software\FileZilla Client]
[<HKLM>\Software\Wow6432Node\FileZilla Client]
[<HKLM>\Software\FileZilla]
[<HKLM>\Software\Wow6432Node\FileZilla]
[<HKCU>\Software\FileZilla Client]
[<HKCU>\Software\FileZilla]
[<HKCU>\Software\VanDyke\SecureFX]
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]

Reads files which store third party applications passwords

%APPDATA%\mozilla\firefox\profiles.ini
%LOCALAPPDATA%\google\chrome\user data\default\web data
%LOCALAPPDATA%\google\chrome\user data\default\login data
%APPDATA%\thunderbird\profiles.ini

Brute-forces OS accounts.

Modifies file system

Creates the following files

%TEMP%\u.b
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.word\~wrf{255a9716-762d-4dbc-acdb-537b890f44bc}.tmp
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.mso\4a2572f6.emf
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.mso\e9bada7f.emf
%TEMP%\1224077.bat

Deletes the following files

%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.mso\e9bada7f.emf
%LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.mso\4a2572f6.emf
%TEMP%\u.b

Network activity

Connects to

'so#####acotafancris.ro':80

TCP

HTTP POST requests

http://so#####acotafancris.ro/panel/gate.php

UDP

DNS ASK so#####acotafancris.ro
DNS ASK my###ysite.ru

Miscellaneous

Creates and executes the following

'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\1224077.bat" "%TEMP%\u.b" "' (with hidden window)

Executes the following

'%ProgramFiles%\microsoft office\office14\excel.exe' -Embedding
'%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
'%ProgramFiles%\microsoft office\office14\excelcnv.exe' -Embedding
'%WINDIR%\syswow64\cmd.exe' /c ""%TEMP%\1224077.bat" "%TEMP%\u.b" "

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