ThreatExpert Report: Trojan-Spy.Win32.Zbot

Submission Summary:

Submission details:

Submission received: 6 August 2012, 07:14:01
Processing time: 10 min 34 sec
Submitted sample:

File MD5: 0x6F8DA972E64E416D530278F6E3CFB622
File SHA-1: 0xA4D03C58347497CC589270F1FFF99D45BE9D1A43
Filesize: 386,560 bytes
Alias: Trojan-Spy.Win32.Zbot [Ikarus]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%AppData%\Zyyd\taky.exe	386,560 bytes	MD5: 0x479682A88F93F809780B9362F201638B SHA-1: 0x1675F1903BE42079FC9BBD365BB231A2CAE2250E	(not available)
2	%AppData%\voawym.ecp	1,322 bytes	MD5: 0xB62169B9F96D52B84E9A4EA7D1B74D4A SHA-1: 0x20C23E6BC8FE54BB83A0F00CEB30704FD506F9AD	(not available)
3	%Temp%\tmpb87c9fc5.bat	168 bytes	MD5: 0x4E1C1BCFE58EDD9486E47C82F090C96F SHA-1: 0xCA87BFE4C2F78168AE9327511C421D11D7044A01	(not available)
4	[file and pathname of the sample #1]	386,560 bytes	MD5: 0x6F8DA972E64E416D530278F6E3CFB622 SHA-1: 0xA4D03C58347497CC589270F1FFF99D45BE9D1A43	Trojan-Spy.Win32.Zbot [Ikarus]

Notes:

%AppData% is a variable that refers to the file system directory that serves as a common repository for application-specific data. A typical path is C:\Documents and Settings\[UserName]\Application Data.
%Temp% is a variable that refers to the temporary folder in the short path form. By default, this is C:\Documents and Settings\[UserName]\Local Settings\Temp\ (Windows NT/2000/XP).

The following directory was created:

%AppData%\Zyyd

Memory Modifications

There was a new memory page created in the address space of the system process(es):

Process Name	Process Filename	Allocated Size
cmd.exe	%System%\cmd.exe	278,528 bytes

Notes:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

Registry Modifications

The following Registry Keys were created:

HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Privacy
HKEY_CURRENT_USER\Software\Microsoft\Deibju

The newly created Registry Values are:

[HKEY_CURRENT_USER\Identities]

Identity Login = 0x00098053

[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Privacy]

CleanCookies = 0x00000000

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

{3DFA1AE4-115C-AD7B-A6BA-A75086AF8442} = ""%AppData%\Zyyd\taky.exe""

so that taky.exe runs every time Windows starts

[HKEY_CURRENT_USER\Software\Microsoft\Deibju]

1775cbbi = "q9Ug3r3WIs5K4ZlW"
1c40eaa8 = 0xDE52D598
2e311604 = "FaRS3rOaVs484a1W"
46j6i91 = C9 D5 52 DE C8 D6 56 CE 3D D1 AC 56 7D D8 27 C2 A1 DA A0 F2 50 97 87 4E 6C D8 95 BD 40 BC B9 12 15 A3 3E 4A 9D 8E 57 70 6B 93 57 04 44 DE 13 59 A6 FA C3 0B 5C CF 2C 19 06 32 AF C2 6F 2A 96 74 D5 95 DF 0D D0 5B 48 60 F6 32 5A 0C 06 B6 62 89 BC 3F 04 5
13d3eaa5 = C9 D5 52 DE AA 07 49 9E 91 79 11 AE 72 E6 08 E8 77 D6 28 CD A2 DD F6 D6 F1 D6 B3 7C AA 97 5A 9B 73 6B 61 FD CC 05 7E 12 00 93 57 04 44 DE 13 59 A6 FA C3 0B 5C CF 2C 19 06 32 AF C5 88 72 5A 21 3D 42 65 B8 9B 18 C6 6A 2B F1 20 89 2C E2 7F DA 96 D2 CB 4
19f8jjd8 = 0F 12 72 CD B0 25 FD A1 AE 90 16 22 73 A1 AF D7 15 1D 46 4C 13 58 FE 76 70 F5 CB 1F EA 90 9F E0 51 C0 2A 45 49 0F 11 97 07 AA D0 EF 43 2E 61 A1 55 AF C3 0B 5D CF 2C 09 C9 33 AF C5 C2 A7 45 71 D1 97 DB EB DC C9 58 A1 17 B4 C0 E0 B6 8F 57 BF 76 6C DC 1
2hb7a0if = 01 17 65 EF CE 8D B5 35 61 8B DA A3 AA 80 4D E8 40 AA F8 81 60 24 E9 52 8D 4C 6A 12 49 A0 BB 95 75 35 31 2B 8E 95 AD 31 49 8F D6 2E B0 73 15 C6 8A 31 91 5B 32 6A D9 EF DF DE D9 37 B9 06 42 76 2B 32 98 13 88 BC 8E 6A BB 88 0E 06 C9 8B 8C DD 57 50 CC 9

The following Registry Values were modified:

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0]

1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1]

1406 =
1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2]

1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]

1406 =
1609 =

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4]

1406 =
1609 =

Other details

There was registered attempt to establish connection with the remote host. The connection details are:

Remote Host	Port Number
173.194.33.19	80

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

http://www.google.com/

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