Submission Summary:

What's been foundSeverity Level
Communication with a remote IRC server.
Downloads/requests other files from Internet.
Creates a startup registry entry.
Contains characteristics of an identified security risk.


Technical Details:


Possible Security Risk

Threat CategoryDescription
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


File System Modifications

#Filename(s)File SizeFile HashAlias
1 %Windir%\qqt.exe
[file and pathname of the sample #1]
8,329 bytes MD5: 0x2F359A346CC2CDEFE62BF0DAF13D8B6A
SHA-1: 0xB873E2D17E4DF3589929E753EBD3A9622638A288
Backdoor.Slackbot.B [Symantec]
Backdoor.Win32.Slackbot.b [Kaspersky Lab]
Troj/Slackbot-B [Sophos]
Backdoor.Win32.Slackbot [Ikarus]
Win-Trojan/Slackbot.16521 [AhnLab]
packed with UPX [Kaspersky Lab]


Memory Modifications

Process NameProcess FilenameMain Module Size
qqt.exe%Windir%\qqt.exe40,960 bytes
[filename of the sample #1][file and pathname of the sample #1]40,960 bytes


Registry Modifications


Other details

1041TCPqqt.exe (%Windir%\qqt.exe)
1042TCPqqt.exe (%Windir%\qqt.exe)

Remote HostPort Number


Outbound traffic (potentially malicious)



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