ThreatExpert Report: Troj/Bancos-BRB, Mal/VBBanc-A, Backdoor.Win32.VB

Submission Summary:

Submission details:

Submission received: 20 June 2012, 23:44:31
Processing time: 11 min 11 sec
Submitted sample:

File MD5: 0x582DB06577C97AF17305661C3A561852
File SHA-1: 0xE5CB4E7983EFF6C32B7E723F2CAE1F6E445C9A76
Filesize: 329,728 bytes
Alias: Troj/Bancos-BRB [Sophos]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	329,728 bytes	MD5: 0x582DB06577C97AF17305661C3A561852 SHA-1: 0xE5CB4E7983EFF6C32B7E723F2CAE1F6E445C9A76	Troj/Bancos-BRB [Sophos] packed with UPX [Kaspersky Lab]
2	c:\Wirelles\files\123RA6MAL5.log	9 bytes	MD5: 0x00539E9205B2BA8CF6DABD9F123399E2 SHA-1: 0x9F7ECD7BA7A1A3145E3EE3666B73B9534E5BAD83	(not available)

The following directories were created:

c:\Wirelles
c:\Wirelles\files

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	925,696 bytes

Other details

To mark the presence in the system, the following Mutex object was created:

_!SHMSFTHISTORY!_

The following Internet Connection was established:

Server Name	Server Port	Connect as User	Connection Password
dianovo.cwsurf.de	80	(null)	(null)

The following GET requests were made:

tonin/avisos.php?IDMAQ=UserName@CD1A40
tonin/index.jpg

The data identified by the following URLs was then requested from the remote web server:

http://72.9.224.202/~comercio/novo///kst.gif
http://72.9.224.202/~comercio/novo///kaz.gif
http://72.9.224.202/~comercio/novo///khs.gif
http://72.9.224.202/~comercio/novo///kita.gif
http://72.9.224.202/~comercio/novo///kbf.gif
http://72.9.224.202/~comercio/novo///kfres.gif
http://72.9.224.202/~comercio/novo///ksp.gif

Downloaded File Summary:

Download details:

Download retrieved: 20 June 2012 23:55:42
Processing time: 11 min 45 sec
Downloaded sample #1:

File MD5: 0x2FAD43F9D7F0CB16B26E027ACEA471B2
File SHA-1: 0x4E999A6846A6DD9044F4629F8299B736C5FEA216
Filesize: 1,060,864 bytes
Alias: Troj/Bancos-BRB [Sophos]

Downloaded sample #2:

File MD5: 0x57CB590059899B3C9BFF78395886E339
File SHA-1: 0xE144BB8C9E316D453059F13D2A0E6E256F192161
Filesize: 540,672 bytes
Alias: Troj/Bancos-BRB [Sophos]

Downloaded sample #3:

File MD5: 0x81A6CA80FA1CC1B0871DA5A2D8F28DD0
File SHA-1: 0x9F48781D28C872A133E15AE1C1E843A2D7772C89
Filesize: 294,912 bytes
Alias: Mal/VBBanc-A [Sophos]

Downloaded sample #4:

File MD5: 0x5B1A70AD6B384566FEC3563043C7274C
File SHA-1: 0xA78A554B4F9DD6F6120468DC8AA7192D687651E9
Filesize: 299,008 bytes
Alias:

Troj/Bancos-BRB [Sophos]
Backdoor.Win32.VB [Ikarus]

Downloaded sample #5:

File MD5: 0xBE381DD969F69990614C3AF88692FE41
File SHA-1: 0xFD1F3517A74148A551FB4553A7CCF168C2DF6958
Filesize: 540,672 bytes
Alias: Mal/VBBanc-A [Sophos]

Downloaded sample #6:

File MD5: 0x4D15C0798CF21DEFB21B3185205EE948
File SHA-1: 0x4AD5293C9380E99D8F0A76808F441D4B08FADB12
Filesize: 49,152 bytes
Alias: Troj/Bancos-BRB [Sophos]

Downloaded sample #7:

File MD5: 0xD6A8612F2CF303D8D8C27105529DC13F
File SHA-1: 0xDEFF0DD53C0C025CBCB529875FF8DCF97376C4A9
Filesize: 122,880 bytes

Technical Details:

The new window was created, as shown below:

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File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	1,060,864 bytes	MD5: 0x2FAD43F9D7F0CB16B26E027ACEA471B2 SHA-1: 0x4E999A6846A6DD9044F4629F8299B736C5FEA216	Troj/Bancos-BRB [Sophos]
2	[file and pathname of the sample #2]	540,672 bytes	MD5: 0x57CB590059899B3C9BFF78395886E339 SHA-1: 0xE144BB8C9E316D453059F13D2A0E6E256F192161	Troj/Bancos-BRB [Sophos]
3	[file and pathname of the sample #3]	294,912 bytes	MD5: 0x81A6CA80FA1CC1B0871DA5A2D8F28DD0 SHA-1: 0x9F48781D28C872A133E15AE1C1E843A2D7772C89	Mal/VBBanc-A [Sophos]
4	[file and pathname of the sample #4]	299,008 bytes	MD5: 0x5B1A70AD6B384566FEC3563043C7274C SHA-1: 0xA78A554B4F9DD6F6120468DC8AA7192D687651E9	Troj/Bancos-BRB [Sophos] Backdoor.Win32.VB [Ikarus]
5	[file and pathname of the sample #5]	540,672 bytes	MD5: 0xBE381DD969F69990614C3AF88692FE41 SHA-1: 0xFD1F3517A74148A551FB4553A7CCF168C2DF6958	Mal/VBBanc-A [Sophos]
6	[file and pathname of the sample #6]	49,152 bytes	MD5: 0x4D15C0798CF21DEFB21B3185205EE948 SHA-1: 0x4AD5293C9380E99D8F0A76808F441D4B08FADB12	Troj/Bancos-BRB [Sophos]
7	[file and pathname of the sample #7]	122,880 bytes	MD5: 0xD6A8612F2CF303D8D8C27105529DC13F SHA-1: 0xDEFF0DD53C0C025CBCB529875FF8DCF97376C4A9	(not available)

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	1,064,960 bytes
[filename of the sample #2]	[file and pathname of the sample #2]	544,768 bytes
[filename of the sample #3]	[file and pathname of the sample #3]	299,008 bytes
[filename of the sample #4]	[file and pathname of the sample #4]	303,104 bytes
[filename of the sample #7]	[file and pathname of the sample #7]	126,976 bytes
[filename of the sample #6]	[file and pathname of the sample #6]	49,152 bytes
[filename of the sample #5]	[file and pathname of the sample #5]	544,768 bytes

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