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]
54,272 bytes MD5: 0xBD8E4C681CA135CCB965C5E79587B4E7
SHA-1: 0x8AD5BB2B37C422DADC024B439B31E12AC3DEC92E
(not available)
2 %Temp%\hrl2.tmp
%Windir%\dqrhqi.exe
41,984 bytes MD5: 0xC1A7E966B9D01B416A58AAA35961DA54
SHA-1: 0x342D78B2B513C1A4D135F9D0C90049E440CEBCA9
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.exe122,880 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
Hefghi Klmnopqr TuvHefghi Klmnopqr Tuvwxyab Defg"Running"%Windir%\dqrhqi.exe

 

Registry Modifications

 

Other details

China

 

Heuristics Analysis

 

 

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