Submission Summary:

What's been foundSeverity Level
Threat characteristics of ZBot - a banking trojan that disables firewall, steals sensitive financial data (credit card numbers, online banking login details), makes screen snapshots, downloads additional components, and provides a hacker with the remote access to the compromised system.
Stealth-mode characteristics common to Rootkits.
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Security RiskDescription
Trojan-Spy.Zbot.YETH Trojan-Spy.Zbot.YETH is a rootkit trojan which steals online banking information and downloads other malware as well.

Threat CategoryDescription
A keylogger program that can capture all user keystrokes (including confidential details such username, password, credit card number, etc.)
A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
A malicious backdoor trojan that runs in the background and allows remote access to the compromised system
A program that downloads files to the local computer that may represent security risk

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 [file and pathname of the sample #1] 73,728 bytes MD5: 0xD93A6C71990A0660406EFD547A3E8846
SHA-1: 0x179521B40AA8AA149E578D5813E10EE7491C0748
Downloader [Symantec]
Trojan.Win32.Buzus.cdgq [Kaspersky Lab]
Generic Dropper!bfb [McAfee]
Trojan:Win32/Meredrop [Microsoft]
Downloader.Delphi [Ikarus]
Win-Trojan/ZBot.73728 [AhnLab]
2 %System%\sdra64.exe 531,456 bytes MD5: 0x0F24E17B37EFC555048389C10DFF3456
SHA-1: 0xEC6CDD714C033F3DE1BD511C31A8F84E44E38BA7
Downloader [Symantec]
Trojan:Win32/Meredrop [Microsoft]
Downloader.Delphi [Ikarus]

#Filename(s)File SizeFile Hash
1 %System%\lowsec\local.ds
%System%\lowsec\user.ds
0 bytes MD5: 0xD41D8CD98F00B204E9800998ECF8427E
SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709
2 %System%\lowsec\user.ds.lll 276 bytes MD5: 0x7CA9B49EF4CB7D7727F9CDE54553F908
SHA-1: 0xF2C3BD03A219CB7881B14999A38CB8257EE2DD4D

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[filename of the sample #1][file and pathname of the sample #1]94,208 bytes

Process NameProcess FilenameAllocated Size
services.exe%System%\services.exe90,112 bytes
lsass.exe%System%\lsass.exe90,112 bytes
svchost.exe%System%\svchost.exe90,112 bytes
svchost.exe%System%\svchost.exe90,112 bytes
svchost.exe%System%\svchost.exe90,112 bytes
svchost.exe%System%\svchost.exe90,112 bytes
svchost.exe%System%\svchost.exe90,112 bytes
alg.exe%System%\alg.exe90,112 bytes

 

Registry Modifications

 

Other details

 

Heuristics Analysis

 

 

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 © 2010 ThreatExpert. All rights reserved.