Submission Summary:

What's been foundSeverity Level
Creates desktop.ini system file in the fake Recycle Bin folder in order to register it in Windows as a valid Recycle Bin.
Creates an executable file in the fake Recycle Bin folder with the purpose of concealing its presence in the system.
Creates fake Recycle Bin folder.
Communication with a remote IRC server.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Security RiskDescription
Worm.Autorun.DHA Worm.AutoRun.DHA is a network-aware worm that attempts to replicate across the existing network(s).

Threat CategoryDescription
A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
A network-aware worm that attempts to replicate across the existing network(s)

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 c:\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\Desktop.ini 62 bytes MD5: 0x7457A5DF1FF47C957ACF1FA000D7D9AD
SHA-1: 0x69D2BBA827FD4DE0169419A0FDA280252B348514
(not available)
2 c:\RECYCLER\S-1-5-21-1482476501-1644491937-682003330-1013\iqe32.exe
[file and pathname of the sample #1]
13,824 bytes MD5: 0x07E1EC9001D932721294DAF6F0EE4F6D
SHA-1: 0x467166EAFEAB260D585A1BB95F611E7E1A3EC41A
Worm.Hamweg.Gen [PCTools]
W32.Ircbrute [Symantec]
IRC-Worm.Win32.Small.am [Kaspersky Lab]
WORM_AUTORUN.RYU [Trend Micro]
W32/Autoham-Fam [Sophos]
Worm:Win32/Hamweq.A [Microsoft]
Worm.Win32.Hamweq [Ikarus]
Win-Trojan/Agent.13824.FE [AhnLab]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[filename of the sample #1][file and pathname of the sample #1]49,152 bytes

 

Registry Modifications

 

Other details

Remote HostPort Number
usb.ma7d.com1863

 

Outbound traffic (potentially malicious)

 

 

All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.

Copyright © 2013 ThreatExpert. All rights reserved.