ThreatExpert Report: Trojan.Gen.2, Trojan:Win32/Dynamer!dtc, Downloader.Delphi

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Submission Summary:

Submission details:

Submission received: 13 May 2013, 00:40:54
Processing time: 8 min 50 sec
Submitted sample:

File MD5: 0x87A0E17AFBC290D074DED6E7D7CE630B
File SHA-1: 0x97AEB7C471B9C17FFDD563365B8B5463F1998809
Filesize: 1,947,136 bytes
Alias & packer info:

Trojan.Gen.2 [Symantec]
Trojan:Win32/Dynamer!dtc [Microsoft]
Downloader.Delphi [Ikarus]
packed with: UPX [Kaspersky Lab]

Summary of the findings:

What's been found	Severity Level
Contains characteristics of an identified security risk.

Technical Details:

The new window was created, as shown below:

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Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%System%\Language\default.ini	9,767 bytes	MD5: 0x9CA32A216B856F6C140C39BE40CE0885 SHA-1: 0x745401D71738481C7B9C51B7B5C01DCB675946D3	(not available)
2	[file and pathname of the sample #1]	1,947,136 bytes	MD5: 0x87A0E17AFBC290D074DED6E7D7CE630B SHA-1: 0x97AEB7C471B9C17FFDD563365B8B5463F1998809	Trojan.Gen.2 [Symantec] Trojan:Win32/Dynamer!dtc [Microsoft] Downloader.Delphi [Ikarus] packed with UPX [Kaspersky Lab]
3	%System%\Settings\settings.ini	960 bytes	MD5: 0x30F1689AE9FF36E38B848F835777DBFC SHA-1: 0x295685FA4D59DBA8C9F724576D289ADCAC27445E	(not available)
4	%System%\sound.wav	24,165 bytes	MD5: 0xFF8B7ADC4209146B4EC595A986FD6384 SHA-1: 0x1630CFD169BAAD76BA47FC725F296BD4FBD26BBD	(not available)

Note:

%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:

%System%\Language
%System%\Settings

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]	6,418,432 bytes

Other details

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

	Brazil
	Belgium

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

XTREMECLIENT

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