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Trojan.Win32.Beaugrit.gen!AAA_6f8f5d6b51


Dropped:Trojan.GenericKDV.1254340 (BitDefender), Trojan:Win32/Beaugrit.gen!AAA (Microsoft), Trojan.Win32.Sfuzuan.fv (Kaspersky), Trojan.Win32.Sfuzuan.c (v) (VIPRE), Trojan.PWS.Spy.17881 (DrWeb), Dropped:Trojan.GenericKDV.1254340 (B) (Emsisoft), RDN/Generic PWS.y!wf (McAfee), Win32.SuspectCrc (Ikarus), Dropped:Trojan.GenericKDV.1254340 (FSecure), Crypt2.AEAV.dropper (AVG), Win32:Malware-gen (Avast), TROJ_GEN.R02LC0DKT13 (TrendMicro), GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan

The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary

MD5: 6f8f5d6b51088a7a322c6830f7dbca12

SHA1: bee1939f76470d0c3cd5a818dd634fe44b570e5d

SHA256: 0b34ae907cffd8b4930ed1fb10fd59fd50bf26b165fcbb81a40c02a615fc4ebe

SSDeep: 12288:8fHAVek1hFJtsu0ECsrLk5QzXGkDgQH9OKIQEZR9l:0gVjbQE3sizt9H9OKIQEZR9l

Size: 790528 bytes

File type: EXE

Platform: WIN32

Entropy: Not Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 2013-11-19 14:01:25

Analyzed on: WindowsXP SP3 32-bit

Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

%original file name%.exe:1488

The Trojan injects its code into the following process(es):No processes have been created.

File activity

The process %original file name%.exe:1488 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Cookies\Current_User@baidu[1].txt (104 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
C:\%original file name%.exe_BaseT.dll (72704 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OEBBOQ59\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\R5BRBDUV\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\XWHK1GPI\desktop.ini (67 bytes)
%WinDir%\win.ini (189 bytes)
C:\log.dat (17 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OEBBOQ59\vpp[1].ini (1352 bytes)
%Documents and Settings%\%current user%\Cookies\index.dat (12288 bytes)
C:\%original file name%.exe_Tmp0F1.dll (1126912 bytes)
%WinDir%\LQJVmD5lOK.dll (602624 bytes)
%System%\drivers\UsbWlan.sys (8704 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\XWHK1GPI\api[1].php (378 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OEBBOQ59\getip[1].htm (33 bytes)
C:\%original file name%.exe_Tmp0F1.dlllog.dat (10519 bytes)

The Trojan deletes the following file(s):

%System%\drivers\UsbWlan.sys (0 bytes)

Registry activity

The process %original file name%.exe:1488 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65324"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65324"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65324"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 0C 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "94 C3 B6 4C 4D 7A 99 7B E2 2B 36 A7 F7 7C 9B 6A"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65324"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

Network activity (URLs)

URL IP
hxxp://cc00087.f.cncssr.chinacache.net/ux/getip.aspx?username=abcdefg&agname=58wangwei&pb=0
hxxp://nbapp2.n.shifen.com/api.php?query=91.200.159.131&co=&resource_id=6006&t=134505189768&ie=utf8&oe=gbk&cb=bd__cbs__at8rwp&format=json
hxxp://cc00087.f.cncssr.chinacache.net/ux/getip.aspx?localip=91.200.159.131&ip=91.200.159.131&addr=316332277313300274
hxxp://download012.rdb.cncssr.chinacache.net/soft/vpp.ini
opendata.baidu.com123.125.115.59
ini.egkj.com112.253.37.218
www.58wangwei.com182.118.23.188
up.jkc8.com218.59.215.196
ini.588b.com


HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan installs the following kernel-mode hooks:

ZwQuerySystemInformation

Propagation

Removals

Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.

Manual removal*

  1. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:1488

  3. Delete the original Trojan file.
  4. Delete or disinfect the following files created/modified by the Trojan:

    %Documents and Settings%\%current user%\Cookies\Current_User@baidu[1].txt (104 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    C:\%original file name%.exe_BaseT.dll (72704 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OEBBOQ59\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\R5BRBDUV\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\XWHK1GPI\desktop.ini (67 bytes)
    %WinDir%\win.ini (189 bytes)
    C:\log.dat (17 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OEBBOQ59\vpp[1].ini (1352 bytes)
    %Documents and Settings%\%current user%\Cookies\index.dat (12288 bytes)
    C:\%original file name%.exe_Tmp0F1.dll (1126912 bytes)
    %WinDir%\LQJVmD5lOK.dll (602624 bytes)
    %System%\drivers\UsbWlan.sys (8704 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\XWHK1GPI\api[1].php (378 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OEBBOQ59\getip[1].htm (33 bytes)
    C:\%original file name%.exe_Tmp0F1.dlllog.dat (10519 bytes)

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

Network Activity

Map

Strings from Dumps