ThreatExpert Report: HeurEngine.MaliciousPacker, Packed.Generic.265, Packed.Win32.Krap.x..

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Submission Summary:

Submission details:

Submission received: 26 February 2010, 11:39:25
Processing time: 6 min 43 sec
Submitted sample:

File MD5: 0xD193EBF3464BC7761EB7A0257E7F1C20
File SHA-1: 0xFEF446450AF480877C6B9476C68DDEE637557863
Filesize: 407,040 bytes
Alias:

HeurEngine.MaliciousPacker [PCTools]
Packed.Generic.265 [Symantec]
Packed.Win32.Krap.x [Kaspersky Lab]
Mal/FakeVirPk-A, Mal/EncPk-KW, Mal/EncPk-KW [Sophos]

Summary of the findings:

What's been found	Severity Level
Capability to send out email message(s) with the built-in SMTP client engine.
Creates a startup registry entry.

Technical Details:

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	407,040 bytes	MD5: 0xD193EBF3464BC7761EB7A0257E7F1C20 SHA-1: 0xFEF446450AF480877C6B9476C68DDEE637557863	HeurEngine.MaliciousPacker [PCTools] Packed.Generic.265 [Symantec] Packed.Win32.Krap.x [Kaspersky Lab] Mal/FakeVirPk-A, Mal/EncPk-KW, Mal/EncPk-KW [Sophos]

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]	987,136 bytes

Registry Modifications

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion]

CLSID2 = 8E 43 E9 B8 F6 91 10 D6 FC 9C 9F 20 68 D0 25 4C 0E 45 D7 41 80 FF C1 08 EB 19 38 26 D3 72 50 B8 95 FB 48 B4 59 4A A5 1E 0E 13 8B 34 02 BF D3 84 22 A6 6D 6A D5 01 0A 9D 9E B4 86 30 4A 45 B7 81 7A 4F 16 79 2B 99 EB F3 49 A5 BE B7 3C CC FC 4B D6 83 86 5

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]

CTFMON = "[file and pathname of the sample #1]"

so that [file and pathname of the sample #1] runs every time Windows starts

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion]

CLSID = AA 7D 47 41 54 4E EC 41 99 6F 23 03 02 11 65

Other details

Analysis of the file resources indicate the following possible country of origin:

Russian Federation

The following port was open in the system:

Port	Protocol	Process
1062	TCP	[file and pathname of the sample #1]

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