Submission Summary:

What's been foundSeverity Level
Replication across networks by exploiting weakly restricted shares (common for Randex family of worms).
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Threat CategoryDescription
A network-aware worm that attempts to replicate across the existing network(s)

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 %AppData%\Microsoft\Installer\{B53D42E8-872B-430E-82D4-80065A31FCE1}\lpk.dll
[pathname with a string SHARE]\lpk.dll
[pathname with a string SHARE]\lpk.dll
[pathname with a string SHARE]\lpk.dll
%ProgramFiles%\Internet Explorer\Connection Wizard\lpk.dll
%ProgramFiles%\Internet Explorer\lpk.dll
%ProgramFiles%\Messenger\lpk.dll
%System%\hra33.dll
[file and pathname of the sample #1]
54,784 bytes MD5: 0xD2288D7D97B8C32B014D3ED59B0C5DCB
SHA-1: 0xA2223B59847C99D4868AC57B4E894FEF6E5CF14F
(not available)
2 %Temp%\hrl1.tmp
%Temp%\hrl3.tmp
%Temp%\hrl4.tmp
%Windir%\dqrhqi.exe
42,496 bytes MD5: 0x94EDF1F3DF553A0FD4F1B507B6F7B8CF
SHA-1: 0xE76944DA7C5E26D4E02A1D6D8E81EC96100E3651
Mal/Behav-031 [Sophos]
Backdoor.Win32.Inject [Ikarus]
packed with UPX [Kaspersky Lab]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[generic host process][generic host process filename]20,480 bytes
dqrhqi.exe%Windir%\dqrhqi.exe114,688 bytes

Module NameModule FilenameAddress Space Details
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10011000
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10011000
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10011000
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10011000
hra33.dll%System%\hra33.dllProcess name: dqrhqi.exe
Process filename: %Windir%\dqrhqi.exe
Address space: 0x10000000 - 0x10011000

Service NameDisplay NameStatusService Filename
aDefghi Klmnopqr TuvaDefghi Klmnopqr Tuvwxyab Defg"Running"%Windir%\dqrhqi.exe

 

Registry Modifications

 

Other details

China

 

Heuristics Analysis

 

 

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