ThreatExpert Report: Backdoor.Krademok, Backdoor.Win32.Hupigon.mrzd, BackDoor-AWQ.gen.ag..

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Submission Summary:

Submission details:

Submission received: 3 October 2012, 06:01:31
Processing time: 8 min 4 sec
Submitted sample:

File MD5: 0xF20BEBA0D44D55AEE2D4C12F5B5E9B41
File SHA-1: 0x40ECC5215C2B112785BEA2E8611030178C09C3D9
Filesize: 1,187,840 bytes
Alias:

Backdoor.Krademok [Symantec]
Backdoor.Win32.Hupigon.mrzd [Kaspersky Lab]
BackDoor-AWQ.gen.ag [McAfee]
Mal/Hupig-AA, Mal/Hupig-AA [Sophos]
Backdoor:Win32/Fynloski.A [Microsoft]
Backdoor.Win32.Fynloski [Ikarus]

Technical Details:

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Possible Security Risk

Attention! The following threat category was identified:

Threat Category	Description
	A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Temp%\CAT_539[1].JPG	62,711 bytes	MD5: 0x1F29D99D1E965D0A4D8239562F8226C6 SHA-1: 0x0DFC5788CAC1D9150D1D86D2B81EAD492E09FCC5	(not available)
2	%Temp%\CAT_WALLPAPERS-014[1]1.JPG	252,866 bytes	MD5: 0xFAB20513F3504638F50E87B850E1A8CC SHA-1: 0xE27BF96DA9CFADE1E3FB4A2C547E35721E51AEE3	(not available)
3	%Temp%\DIRATTRIB %Temp%\FILEATTRIB %Temp%\KEYLOGGER %Temp%\PREFIXTYPE %Temp%\USEPASS	1 bytes	MD5: 0xCFCD208495D565EF66E7DFF9F98764DA SHA-1: 0xB6589FC6AB0DC82CF12099D1C2D40AB994E8410C	(not available)
4	%Temp%\DVCLAL	16 bytes	MD5: 0xA40263C75FDE7440B1086B7DA9C51FC2 SHA-1: 0x139A84F87110FB5CB16A386ADADE21F30CAE98B0	(not available)
5	%Temp%\FULLPATH	16 bytes	MD5: 0xCB1DED7FF44E5BA9FF13AAA4765EBB89 SHA-1: 0x030FB795B27FB7AFAD19DA856B4BA3D08F8D6B39	(not available)
6	%Temp%\GENCODE	12 bytes	MD5: 0x7A87BEE5929C20C5CFED19F218F6F34D SHA-1: 0xA93723FD00DA6BACFDD9440F31E46096350884CF	(not available)
7	%Temp%\IMAX	4 bytes	MD5: 0x1BD69C7DF3112FB9A584FBD9EDFC6C90 SHA-1: 0xE0B2D81C80B94799AEEF126F990F48CDB5505BBC	(not available)
8	%Temp%\IMIN	4 bytes	MD5: 0xA9B7BA70783B617E9998DC4DD82EB3C5 SHA-1: 0xE3CBBA8883FE746C6E35783C9404B4BC0C7EE9EB	(not available)
9	%Temp%\ISALLBIND %Temp%\ISBIND %Temp%\USEMUTEX	1 bytes	MD5: 0xC4CA4238A0B923820DCC509A6F75849B SHA-1: 0x356A192B7913B04C54574D18C28D46E6395428AB	(not available)
10	%Temp%\MUTEXNAME	12 bytes	MD5: 0x9B080176F202D5EFADDA9C3673ACCA88 SHA-1: 0x40AD2FD4A0266AEDC1402EF690F01DFE755DE101	(not available)
11	%Temp%\NETDATA	21 bytes	MD5: 0x26944D29B94684F7AC79E2B5CAF9C82D SHA-1: 0x2B46938163EE8FE6369A224ACA21D9ED3A3E6090	(not available)
12	%Temp%\PACKAGEINFO	1,524 bytes	MD5: 0xBA671A4A9704059F44A7387DD6641D57 SHA-1: 0x9EAC8FAE0FD4AC91486C44B4B729B856EF7F7416	(not available)
13	%Temp%\SERVERID	8 bytes	MD5: 0xF0B54BB511377EDFC96EBD838D94FE1B SHA-1: 0xC4F3049B981C8C4C28CDC6254CBAA39B4DB8BD6A	(not available)
14	%Temp%\SHOW.PHP.JPEG	13,289 bytes	MD5: 0xAE1AEB72EC3EAF00552F0713A734EF2D SHA-1: 0x858CE825F8C515453D95FA72747850AA7AA36F3E	(not available)
15	[file and pathname of the sample #1]	1,187,840 bytes	MD5: 0xF20BEBA0D44D55AEE2D4C12F5B5E9B41 SHA-1: 0x40ECC5215C2B112785BEA2E8611030178C09C3D9	Backdoor.Krademok [Symantec] Backdoor.Win32.Hupigon.mrzd [Kaspersky Lab] BackDoor-AWQ.gen.ag [McAfee] Mal/Hupig-AA, Mal/Hupig-AA [Sophos] Backdoor:Win32/Fynloski.A [Microsoft] Backdoor.Win32.Fynloski [Ikarus]

Note:

%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).

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]	1,245,184 bytes
[generic host process]	[generic host process filename]	45,056 bytes

Notes:

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

Other details

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

MUTEX-SP4QRG

The following port was open in the system:

Port	Protocol	Process
1033	TCP	[file and pathname of the sample #1]

The following Host Name was requested from a host database:

manbad.zapto.org

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

Remote Host	Port Number
manbad.zapto.org	1604

Outbound traffic (potentially malicious)

There was an outbound traffic produced on port 1604:

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