Full description

Virus:	TR/Flamer.A
Date discovered:	29/05/2012
Type:	Trojan
In the wild:	No
Reported Infections:	Low to medium
Distribution Potential:	Medium
Damage Potential:	Medium
Static file:	Yes
File size:	6.166.528 Bytes
MD5 checksum:	BDC9E04388BDA8527B398A8C34667E18
VDF version:	7.11.31.80 - Tuesday, May 29, 2012
IVDF version:	7.11.31.80 - Tuesday, May 29, 2012

General Methods of propagation:
   • Email
   • Local network

Aliases:
   • Kaspersky: Worm.Win32.Flame.A
   • TrendMicro: WORM_FLAMER.A
   • F-Secure: Trojan.Flame.A
   • Bitdefender: Trojan.Flame.A
   • Eset: Win32/Flamer.A
   • GData: Trojan.Flame.A
   • DrWeb: Win32.HLLW.Flame.1

Platforms / OS:
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7

Side effects:
   • Can be used to execute malicious code
   • Drops malicious files
   • Records keystrokes
   • Registry modification
   • Steals information

Files It copies itself to the following location:
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\wavesup3.drv

The following files are created:

– Non malicious files:
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSSecurityMgr\mscrypt.dat
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\wpgfilter.dat
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\audcache
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\audfilter.dat
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\lmcache.dat
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\ntcache.dat
   • %PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\dstrlog.dat

– %SYSDIR%\nteps32.ocx Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: Worm/Flame.A

– %SYSDIR%\advnetcfg.ocx Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Flamer.A.4

– %SYSDIR%\msglu32.ocx Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Flame.B

– %SYSDIR%\soapr32.ocx Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Flamer.A.5

– %SYSDIR%\boot32drv.sys Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Flamer.A.7

– %SYSDIR%\ccalc32.sys Furthermore it gets executed after it was fully created. Further investigation pointed out that this file is malware, too. Detected as: TR/Flamer.A.8

Registry The following registry key is added in order to run the process after reboot:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32]
• "wave9"="%PROGRAM FILES%\Common Files\Microsoft Shared\MSAudio\wavesup3.drv"

Description inserted by Eric Burk on dinsdag 29 mei 2012
Description updated by Eric Burk on woensdag 30 mei 2012

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