ThreatExpert Report: Trojan-Spy.Gen2

Submission Summary:

Submission details:

Submission received: 24 September 2012, 15:07:17
Processing time: 8 min 59 sec
Submitted sample:

File MD5: 0x4F97990657268D9648F6E36F8CD45471
File SHA-1: 0xC255AC33C0BF28443D535F4C61FC77C7A705B93E
Filesize: 3,796,571 bytes
Alias: Trojan-Spy.Gen2 [Ikarus]

Summary of the findings:

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

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	%CommonAppData%\DivX\Setup\DivXSetup.log	335 bytes	MD5: 0x1A95883BB270D47E367A7FB0C1DA9CC3 SHA-1: 0x2FB12BE9F020540378EF97435B5AE14A34AA60B3	(not available)
2	%AppData%\Microsoft\chipset.dat	2 bytes	MD5: 0x33E75FF09DD601BBE69F351039152189 SHA-1: 0x0A57CB53BA59C46FC4B692527A38A87C78D84028	(not available)
3	%AppData%\Microsoft\connectf1_.dat %AppData%\Microsoft\DirectX.dat %AppData%\Microsoft\Res2.dat %AppData%\Microsoft\snd.dat %AppData%\Microsoft\waiter.dat %AppData%\Microsoft\Windows.dat	1 bytes	MD5: 0xCFCD208495D565EF66E7DFF9F98764DA SHA-1: 0xB6589FC6AB0DC82CF12099D1C2D40AB994E8410C	(not available)
4	%AppData%\Microsoft\Crypto\RSA\S-1-5-21-606747145-764733703-839522115-1003\c0528c2346cb928a9052304ef3ab8fd4_a7bcc1a4-f7a4-4502-8650-8579e607f7f7	2,045 bytes	MD5: 0xF96327A6930C10F427B437264C4F7379 SHA-1: 0xDE960C7177289D7D134B141F810D141862EE5A65	(not available)
5	%AppData%\Microsoft\Crypto\RSA\S-1-5-21-606747145-764733703-839522115-1003\fe088006f66960443013d8b85dc01efd_a7bcc1a4-f7a4-4502-8650-8579e607f7f7	2,042 bytes	MD5: 0xB9D93BC46C2FAF203C47861756ABBA45 SHA-1: 0x6E5A32A87FADF16C65D3D2722EEF9529071D6E84	(not available)
6	%AppData%\Microsoft\Default.dat %System%\Default.dat	200 bytes	MD5: 0xFBAF48EC981A5EECDB57B929FDD426E8 SHA-1: 0xC45D01B195DECD87A0BF097784FBA6734005B8EA	(not available)
7	%AppData%\Microsoft\DivX.exe	927,072 bytes	MD5: 0x8AB188AC70803B5AA84F7450EBC4597B SHA-1: 0x9D5623DA7CC01C93AC96F040DC30330D50CD3DC0	(not available)
8	%AppData%\Microsoft\DTlite.exe	3,072 bytes	MD5: 0x58162FCB08CFD17EAF9FDB7EBB1A4E08 SHA-1: 0x569458AF7E374B9068090A66C540A6FCE7456F0F	(not available)
9	%AppData%\Microsoft\etc.dat	1 bytes	MD5: 0xA87FF679A2F3E71D9181A67B7542122C SHA-1: 0x1B6453892473A467D07372D45EB05ABC2031647A	(not available)
10	%AppData%\Microsoft\jusched.exe	809,414 bytes	MD5: 0x1BB638D25437699B99713E8A62E8308D SHA-1: 0xB4F6D7D4E165386C8AAB065C199C75B1E78BC74A	(not available)
11	%AppData%\Microsoft\Setup.dat	226 bytes	MD5: 0xB6B51C10B58F59EAE5CA0A790E756A95 SHA-1: 0x552CCBD52A53322E4DEEB5E7C05B495DF337F35C	(not available)
12	%AppData%\Microsoft\System.dat	2 bytes	MD5: 0x1FF1DE774005F8DA13F42943881C655F SHA-1: 0x4D134BC072212ACE2DF385DAE143139DA74EC0EF	(not available)
13	%AppData%\Microsoft\update.exe	752,241 bytes	MD5: 0xDC065906942A92186F1FE83DA4D93823 SHA-1: 0x024617B87CD498D53220A4B153CA3E700BB47189	(not available)
14	[file and pathname of the sample #1]	3,796,571 bytes	MD5: 0x4F97990657268D9648F6E36F8CD45471 SHA-1: 0xC255AC33C0BF28443D535F4C61FC77C7A705B93E	Trojan-Spy.Gen2 [Ikarus]

Notes:

%CommonAppData% is a variable that refers to the file system directory containing application data for all users. A typical path is C:\Documents and Settings\All Users\Application Data.
%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.
%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).

The following directories were created:

%CommonAppData%\DivX
%CommonAppData%\DivX\Setup

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
jusched.exe	%AppData%\microsoft\jusched.exe	741,376 bytes
DTlite.exe	%AppData%\microsoft\DTlite.exe	16,384 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	6,852,608 bytes
DivX.exe	%AppData%\Microsoft\DivX.exe	26,157,056 bytes
update.exe	%AppData%\microsoft\update.exe	741,376 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\il1240628394v.wtn
HKEY_LOCAL_MACHINE\SOFTWARE\DivX
HKEY_LOCAL_MACHINE\SOFTWARE\DivX\Install
HKEY_LOCAL_MACHINE\SOFTWARE\DivX\Install\Setup

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\il1240628394v.wtn]

(Default) = 41 B4 DA 73 32 24 27 FB 2E 02 11 1A E3 D9 94 75

[HKEY_LOCAL_MACHINE\SOFTWARE\DivX\Install\Setup]

ResourceDLL = "%Temp%\divD.tmp\divE.tmp"

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

StatusBarWeb = 0x00000000

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

Java = 25 41 50 50 44 41 54 41 25 5C 4D 69 63 72 6F 73 6F 66 74 5C 6A 75 73 63 68 65 64 2E 65 78 65 00 00

so that jusched.exe runs every time Windows starts

Other details

To mark the presence in the system, the following Mutex objects were created:

E713B767-8C16-4231-89DD-CF5277C9E3FE
E349B238-94F5-4ded-A224-72226652AEE0

The following Host Name was requested from a host database:

www.yahoo.com

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

http://dist.divx.com/divx/setup/DivXSetupRes_dpi96.dll

Downloaded File Summary:

Download details:

Download retrieved: 24 September 2012 15:16:16
Processing time: 7 min 42 sec
Downloaded sample:

File MD5: 0xA79390E3E75AD1D674EC59063DD2B502
File SHA-1: 0x80B3F4C494B2EDBD30ECA29C8BA58EB1EF318E07
Filesize: 1,709,936 bytes

Technical Details:

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash
1	[file and pathname of the sample #1]	1,709,936 bytes	MD5: 0xA79390E3E75AD1D674EC59063DD2B502 SHA-1: 0x80B3F4C494B2EDBD30ECA29C8BA58EB1EF318E07

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[generic host process]	[generic host process filename]	20,480 bytes

Note:

[generic host process filename] is a full path filename of [generic host process].

The following module was loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
[filename of the sample #1]	[file and pathname of the sample #1]	Process name: [generic host process] Process filename: [generic host process filename] Address space: 0xB10000 - 0xCB0000

Other details

The following Host Name was requested from a host database:

192.5.5.241

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