Technical Information
Malicious functions
Searches for windows to
detect analytical utilities:
- ClassName: 'OLLYDBG', WindowName: ''
- ClassName: 'GBDYLLO', WindowName: ''
- ClassName: 'pediy06', WindowName: ''
- ClassName: 'FilemonClass', WindowName: ''
- ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
- ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass', WindowName: ''
- ClassName: '', WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
Modifies settings of Windows Internet Explorer
- [<HKCU>\Software\Microsoft\windows\CurrentVersion\Internet Settings] 'ProxyEnable' = '00000001'
- [<HKCU>\Software\Microsoft\windows\CurrentVersion\Internet Settings] 'ProxyServer' = 'http=127.0.0.1:49174;https=127.0.0.1:49174;'
- [<HKCU>\Software\Microsoft\windows\CurrentVersion\Internet Settings] 'ProxyOverride' = '<-loopback>'
Modifies file system
Creates the following files
- <Current directory>\efd.dll
- %TEMP%\tmpf19d.tmp
- %APPDATA%\microsoft\systemcertificates\my\keys\e1fdc45a8c311cec9adc614af0e4a033b7dfbdab
- %APPDATA%\microsoft\systemcertificates\my\certificates\6a6d1ca20380dad83026502eefcb62375dc9da20
- %APPDATA%\microsoft\systemcertificates\request\certificates\f30a07f449abc8cce5068db63c70722362b0546d
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1960123792-2022915161-3775307078-1001\89b1f9921a108013bd46fdda08f93bbe_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1960123792-2022915161-3775307078-1001\35b05bbe98b6e95c9655d116441add6c_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
- %TEMP%\tmpe3ce.tmp
- %TEMP%\tmpe39e.tmp
- %APPDATA%\microsoft\systemcertificates\my\keys\e01368911ba08d346331b3655b8cf52dea0c74dc
- %APPDATA%\microsoft\systemcertificates\my\certificates\7ed05957c4b66f941f7b0e2b174e133a798e530d
- %APPDATA%\microsoft\systemcertificates\request\certificates\7f8700885560238669dc41ed0da9a8b970408b62
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1960123792-2022915161-3775307078-1001\cd8b26df8a25df92d994a5ec3f7534f4_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
- %LOCALAPPDATA%\microsoft\windows\history\low\history.ie5\index.dat
- %APPDATA%\microsoft\windows\cookies\low\index.dat
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\yae0zmfy\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\h0i53k8p\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\4nk0rv1p\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\chzcplcy\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\index.dat
- %LOCALAPPDATA%\microsoft\windows\history\low\history.ie5\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\history\low\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\desktop.ini
- <Current directory>\makecert.exe
- <Current directory>\fiddlercore4.dll
- %TEMP%\tmpf1ad.tmp
- %APPDATA%\microsoft\crypto\rsa\s-1-5-21-1960123792-2022915161-3775307078-1001\b2e3778b102b47abb1c01b427319b627_36d1130a-ac2e-44f7-9dc1-e424fbcbe0ee
Sets the 'hidden' attribute to the following files
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\chzcplcy\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\4nk0rv1p\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\h0i53k8p\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\<INETFILES>\low\content.ie5\yae0zmfy\desktop.ini
- %LOCALAPPDATA%\microsoft\windows\history\low\history.ie5\desktop.ini
Deletes the following files
- %APPDATA%\microsoft\systemcertificates\request\certificates\7f8700885560238669dc41ed0da9a8b970408b62
- %TEMP%\tmpe39e.tmp
- %TEMP%\tmpe3ce.tmp
- %APPDATA%\microsoft\systemcertificates\request\certificates\f30a07f449abc8cce5068db63c70722362b0546d
- %TEMP%\tmpf19d.tmp
- %TEMP%\tmpf1ad.tmp
Network activity
Connects to
- 'localhost':49174
TCP
HTTP GET requests
- http://12#.#.0.1:49174/proxy.pac
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
UDP
- DNS ASK microsoft.com
Miscellaneous
Modifies value of AutoConfigURL parameter to 'http://127.0.0.1:49174/proxy.pac'
Searches for the following windows
- ClassName: '18467-41' WindowName: ''
Executes the following
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\FirewallControlPanel.dll,ShowNotificationDialog /configure /ETOnly 0 /OnProfiles 6 /OtherAllowed 0 /OtherBlocked 0 /OtherEdgeAllowed 0 /NewBlocked 4 "<Full path to file>"
- '%WINDIR%\syswow64\rundll32.exe' "%WINDIR%\syswow64\wininet.dll",DispatchAPICall 1
