Win32.HLLW.Autoruner.51978

Technical Information

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /B'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /P'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /u'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'joaaqe' = '%HOMEPATH%\joaaqe.exe /r'

Creates the following files on removable media:

<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\brTk.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\joaaqe.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\joaaqex.exe

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

hidden files

Creates and executes the following:

%HOMEPATH%\teknat.exe
%HOMEPATH%\joaaqe.exe
%HOMEPATH%\rZL080o8s520Fv.exe
%HOMEPATH%\soona.exe

Executes the following:

<SYSTEM32>\tasklist.exe

Modifies file system :

Creates the following files:

%HOMEPATH%\joaaqe.exe
%TEMP%\Rlb..bat
%HOMEPATH%\teknat.exe
%HOMEPATH%\rZL080o8s520Fv.exe
%HOMEPATH%\soona.exe

Sets the 'hidden' attribute to the following files:

<Drive name for removable media>:\joaaqe.exe
<Drive name for removable media>:\joaaqex.exe
<Drive name for removable media>:\brTk.ico
%HOMEPATH%\joaaqe.exe
<Drive name for removable media>:\autorun.inf

Deletes the following files:

%HOMEPATH%\soona.exe
%HOMEPATH%\rZL080o8s520Fv.exe

Network activity:

Connects to:

'my##mian.in':80
'localhost':1040
'74.##5.232.51':80
'ap#.#ostip.info':80

TCP:

HTTP GET requests:

ap#.#ostip.info/country.php
74.##5.232.51/

HTTP POST requests:

my##mian.in/s98f78ds97f.php?in##############################################################################################################

UDP:

DNS ASK da##.net
DNS ASK ap#.#ostip.info
DNS ASK my##mian.in
DNS ASK ti##pic.com
DNS ASK ma##h.com
DNS ASK google.com

Miscellaneous:

Searches for the following windows:

ClassName: 'Indicator' WindowName: ''
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: 'MS_AutodialMonitor' WindowName: ''

Technologies

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Technical Information