Trojan.Win32.Alureon_9a98ea0948

by malwarelabrobot on October 24th, 2013 in Malware Descriptions.

HEUR:Trojan.Win32.Generic (Kaspersky), Backdoor.Win32.Cycbot.G (v) (VIPRE), Backdoor.Win32.Cycbot!IK (Emsisoft), Trojan.Win32.Alureon.FD, Trojan.Win32.Swrort.3.FD, BackdoorCycbot.YR (Lavasoft MAS)
Behaviour: Trojan, Backdoor


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary
Technical Details
Removal Recommendations

MD5: 9a98ea0948cc5b1ef07b97863280ebef
SHA1: 64c2ec8aa004646167f3dd0e57a41c159949107d
SHA256: b0d7f6590797e22b65c027851e1e6e437a0234a3e56263850a4574043c347ba3
SSDeep: 6144:OnoO0hGquBlTDB7KDnmyicDb6xQu8aIy mgbm2zuRjwP:OntBBlTD2NicSJ8aL3im2SRM
Size: 282112 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: ExpressInstaller
Created at: 2005-09-30 13:17:16


Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

1.tmp:1956
9a98ea0948cc5b1ef07b97863280ebef.exe:1380
9a98ea0948cc5b1ef07b97863280ebef.exe:828
msiexec.exe:1736

The Trojan injects its code into the following process(es):

9a98ea0948cc5b1ef07b97863280ebef.exe:1640

File activity

The process 9a98ea0948cc5b1ef07b97863280ebef.exe:1640 makes changes in a file system.
The Trojan creates and/or writes to the following file(s):

%Program Files%\LP\7365\C29.exe (269042 bytes)
%Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (4815 bytes)
%System%\config\software (963 bytes)
%System%\config\SOFTWARE.LOG (2467 bytes)
%Program Files%\LP\7365\1.tmp (12588 bytes)

Registry activity

The process 1.tmp:1956 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "23 CE 68 72 B5 0F 98 1E 81 4B 8C 4A C3 7C 26 83"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKCU\Software\WinRAR]
"HWID" = "7B 45 32 37 42 41 32 35 44 2D 36 36 35 37 2D 34"

The process 9a98ea0948cc5b1ef07b97863280ebef.exe:1380 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7B BD 97 FB 5E B1 8E F4 B5 58 5A 83 3D 18 84 4E"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

The process 9a98ea0948cc5b1ef07b97863280ebef.exe:1640 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 14 00 00 00 03 00 00 00 14 00 00 00"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "1"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyServer" = "http=127.0.0.1:58889"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "86 55 2E 93 42 40 4D CE 51 4B 75 E6 EF E6 10 27"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"DefaultConnectionSettings" = "3C 00 00 00 03 00 00 00 03 00 00 00 14 00 00 00"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"C29.exe" = "%Program Files%\LP\7365\C29.exe"

Automatic startup of the following service is disabled:

[HKLM\System\CurrentControlSet\Services\wscsvc]
"Start" = "3"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyOverride"

The process 9a98ea0948cc5b1ef07b97863280ebef.exe:828 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A4 AD 9B 9A 9C 3D CE 3C D2 3A E2 6F 58 77 E5 48"

[HKCR\TypeLib\{1EA4DBF0-3C3B-11CF-810C-00AA00389B71}\1.1\0\win32]
"(Default)" = "%System%\oleacc.dll"

The process msiexec.exe:1736 makes changes in a system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "88 9A 77 6B 5A 6C D2 C7 5D A5 E8 A5 14 79 60 A1"

Network activity (URLs)

URL IP
hxxp://gfkvhr.onlineblogplus.com/logo.png?sv=288&tq=gKZEtzoYwLzEvUb5dQzRsrCqBfMkTca3l74EgC5OjrPGpgfib1XFp5zpRPksUt+A/gSoSEU= 69.43.161.170
hxxp://e6845.ce.akamaiedge.net/pca3-g2.crl
hxxp://e6845.ce.akamaiedge.net/CSC3-2009.crl
hxxp://TRANSERSDATAFORME.COM/gate.php (ET CNC Zeus/Spyeye/Palevo Tracker Reported CnC Server (group 6) , Malicious)
hxxp://gfkvhr.onlineblogplus.com/logo.png?sv=742&tq=gKZEtzoYwLzEvUb5dQzRsrCqBfMkTca3l74EgC9OjrPGpgfib1XFp5zpRPksUt+A/gSoSEU=
hxxp://e6845.ce.akamaiedge.net/pca3.crl
hxxp://e6845.ce.akamaiedge.net/CSC3-2009-2.crl
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootseq.txt
hxxp://a26.d.akamai.net/msdownload/update/v3/static/trustedr/en/authrootstl.cab
hxxp://www.google.com/ 74.125.226.116
hxxp://www.google.ca/?gws_rd=cr&ei=OlBoUu3cLueayAGnnYHYBA 74.125.226.119
csc3-2009-2-crl.verisign.com 23.60.133.163
crl.verisign.com 23.61.181.163
www.download.windowsupdate.com 69.31.106.80
csc3-2009-crl.verisign.com 23.60.133.163
transersdataforme.com 192.155.89.148
x6vwbvqolp.onlineblogplus.com 69.43.161.170


Rootkit activity

No anomalies have been detected.

Propagation


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    1.tmp:1956
    9a98ea0948cc5b1ef07b97863280ebef.exe:1380
    9a98ea0948cc5b1ef07b97863280ebef.exe:828

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    %Program Files%\LP\7365\C29.exe (269042 bytes)
    %Documents and Settings%\%current user%\Application Data\507CF\F2C6.07C (4815 bytes)
    %System%\config\software (963 bytes)
    %System%\config\SOFTWARE.LOG (2467 bytes)
    %Program Files%\LP\7365\1.tmp (12588 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "C29.exe" = "%Program Files%\LP\7365\C29.exe"

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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