Trojan.Microfake.D_d3bc6986ad
Trojan.Win32.MicroFake.ba (Kaspersky), Trojan.Microfake.D (B) (Emsisoft), Trojan.Microfake.D (AdAware), DDoS.Win32.Nitol.FD, DDoSNitol.YR (Lavasoft MAS)
Behaviour: Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
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MD5: d3bc6986ad9d65ab91ac86a82c6e359d
SHA1: 3ac78041556018ff1cc49061db6f4510e729e3b7
SHA256: dfd538eaadbb92d35023113209d458ab5a6251e448df44e62728e43258c4c883
SSDeep: 3072:nymMB9eO6yHl90QabZWXCy24efTcebUaKTSf91BW08ZkicASx66VCCkdV:nbMT6yHl2EX3efYOGTSf7BW08ZkPx660
Size: 190464 bytes
File type: DLL
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: AirInstaller
Created at: 2010-06-08 12:59:36
Analyzed on: WindowsXPESX SP3 32-bit
Summary:
Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Payload
No specific payload has been found.
Process activity
The Trojan creates the following process(es):
regsvr32.exe:276
hrlB2.tmp:1708
The Trojan injects its code into the following process(es):
xohdok.exe:440
svchost.exe:1752
Mutexes
The following mutexes were created/opened:
No objects were found.
File activity
The process regsvr32.exe:276 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\hrlB2.tmp (182 bytes)
The process hrlB2.tmp:1708 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%System%\xohdok.exe (673 bytes)
Registry activity
The process regsvr32.exe:276 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "82 A0 F7 97 8B 47 54 97 8D D7 38 FC 0D E4 CD 1F"
The process hrlB2.tmp:1708 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "05 A6 0D 27 AD 86 90 E8 6C D6 50 51 37 8B AA 07"
Dropped PE files
| MD5 | File path |
|---|---|
| 4c2341acf8025f997c901217d30bce89 | c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\SOFTWARE.LOG |
| 4c2341acf8025f997c901217d30bce89 | c:\WINDOWS\system32\xohdok.exe |
HOSTS file anomalies
The Trojan modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses.
The modified file is 734 bytes in size. The following strings are added to the hosts file listed below:
| 127.0.0.1 | jL.chura.pl |
Rootkit activity
The Trojan installs the following user-mode hooks in ntdll.dll:
NtQueryInformationProcess
ZwOpenFile
NtDeviceIoControlFile
NtCreateProcessEx
NtCreateProcess
NtCreateFile
Propagation
VersionInfo
No information is available.
PE Sections
| Name | Virtual Address | Virtual Size | Raw Size | Entropy | Section MD5 |
|---|---|---|---|---|---|
| .text | 4096 | 2860 | 3072 | 3.84485 | c9b6b9fbded3d4764666702b145428d1 |
| .rdata | 8192 | 2505 | 2560 | 3.36056 | 6951ee1a0ff3a7f5a44727b4713506a3 |
| .data | 12288 | 672 | 0 | 0 | d41d8cd98f00b204e9800998ecf8427e |
| .rsrc | 16384 | 182932 | 183296 | 5.13266 | 3500fe47d2355073f5eadb92f716f873 |
| .reloc | 200704 | 494 | 512 | 3.52939 | cfa8d04dd000bb30ab126902176ed40d |
Dropped from:
Downloaded by:
Similar by SSDeep:
Similar by Lavasoft Polymorphic Checker:
URLs
No activity has been detected.
IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)
Traffic
Web Traffic was not found.
The Trojan connects to the servers at the folowing location(s):
.text
`.data
.rsrc
msvcrt.dll
ADVAPI32.dll
KERNEL32.dll
NTDLL.DLL
USER32.dll
ole32.dll
regsvr32.pdb
_wcmdln
RegCloseKey
RegOpenKeyExW
Excessive # of DLL's on cmdline
5.1.2600.5512 (xpsp.080413-2105)
REGSVR32.EXE
Windows
Operating System
5.1.2600.5512
Usage: regsvr32 [/u] [/s] [/n] [/i[:cmdline]] dllname
Call DllInstall passing it an optional [cmdline]; when used with /u calls dll uninstall
Unrecognized flag: %1"Extra argument on command line: This command is only valid when an OLE Custom Control project is open.
LoadLibrary("%1") failed - ,%1 was loaded, but the %2 entry point was not found.%1 does not appear to be a .DLL or .OCX file.V%1 was loaded, but the %2 entry point was not found.
OleUninitialize failed.["%1" is not an executable file and no registration
xohdok.exe_440:
.text
.rdata
@.data
.rsrc
GET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htm
MFC42.DLL
MSVCRT.dll
_acmdln
WinExec
KERNEL32.dll
USER32.dll
RegCloseKey
RegOpenKeyExA
RegOpenKeyA
ADVAPI32.dll
ShellExecuteA
SHELL32.dll
WS2_32.dll
WINMM.dll
InternetOpenUrlA
WININET.dll
262975953262975953
%u.%u.%u.%u
hra%u.dll
iexplore.exe
stf%c%c%c%c%c.exe
PlusCtrl.dll
kernel32.dll
SOFTWARE.LOG
%c%c%c%c%c%c.exe
%u MB
%u MHz
Windows NT
Windows 7
Windows 2008
Windows Vista
Windows 2003
Windows XP
Windows 2000
SOFTWARE\Microsoft\Windows NT\CurrentVersion
\Program Files\Internet Explorer\iexplore.exe
#0%s!
%s/%s
GET %s HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
User-Agent:Mozilla/4.0 (compatible; MSIE %d.0; Windows NT %d.1; SV1)
Host: %s:%d
Host: %s
User-Agent:Mozilla/5.0 (X11; U; Linux i686; en-US; re:1.4.0) Gecko/20080808 Firefox/%d.0
Referer: hXXp://%s:80/hXXp://%s
%s %s%s
User-Agent:Mozilla/4.0 (compatible; MSIE %d.00; Windows NT %d.0; MyIE 3.01)
User-Agent:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
%d.%d.%d.%d
192.168.1.244
svchost.exe
ntdll.dll
`.rdata
@.reloc
SHLWAPI.dll
lpk.dll
]Wi%d
.tog"d
%XJ$i
t!%C_
"j.tD]f
%x0?]
|4.eBQ
[email protected]
it.ia
cmd /c RD /s /q "%s"
"%s" a -r -ep1"%s" "%s" "%s\lpk.dll"
"%s" x "%s" *.exe "%s\"
cmd /c %s vb "%s" lpk.dll|find /i "lpk.dll"
rar.exe
1, 0, 0, 1
server.EXE
xohdok.exe_440_rwx_00417000_00002000:
%XJ$i
xohdok.exe_440_rwx_006D0000_00032000:
.text
.rdata
@.data
.rsrc
GET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htm
MFC42.DLL
MSVCRT.dll
_acmdln
WinExec
KERNEL32.dll
USER32.dll
RegCloseKey
RegOpenKeyExA
RegOpenKeyA
ADVAPI32.dll
ShellExecuteA
SHELL32.dll
WS2_32.dll
WINMM.dll
InternetOpenUrlA
WININET.dll
262975953262975953
%u.%u.%u.%u
hra%u.dll
iexplore.exe
stf%c%c%c%c%c.exe
PlusCtrl.dll
kernel32.dll
SOFTWARE.LOG
%c%c%c%c%c%c.exe
%u MB
%u MHz
Windows NT
Windows 7
Windows 2008
Windows Vista
Windows 2003
Windows XP
Windows 2000
SOFTWARE\Microsoft\Windows NT\CurrentVersion
\Program Files\Internet Explorer\iexplore.exe
#0%s!
%s/%s
GET %s HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
User-Agent:Mozilla/4.0 (compatible; MSIE %d.0; Windows NT %d.1; SV1)
Host: %s:%d
Host: %s
User-Agent:Mozilla/5.0 (X11; U; Linux i686; en-US; re:1.4.0) Gecko/20080808 Firefox/%d.0
Referer: hXXp://%s:80/hXXp://%s
%s %s%s
User-Agent:Mozilla/4.0 (compatible; MSIE %d.00; Windows NT %d.0; MyIE 3.01)
User-Agent:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
%d.%d.%d.%d
192.168.1.244
svchost.exe
ntdll.dll
`.rdata
@.reloc
SHLWAPI.dll
lpk.dll
]Wi%d
.tog"d
%XJ$i
t!%C_
"j.tD]f
%x0?]
|4.eBQ
[email protected]
it.ia
cmd /c RD /s /q "%s"
"%s" a -r -ep1"%s" "%s" "%s\lpk.dll"
"%s" x "%s" *.exe "%s\"
cmd /c %s vb "%s" lpk.dll|find /i "lpk.dll"
rar.exe
1, 0, 0, 1
server.EXE
svchost.exe_1752:
.text
.rdata
@.data
.rsrc
GET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htm
MFC42.DLL
MSVCRT.dll
_acmdln
WinExec
KERNEL32.dll
USER32.dll
RegCloseKey
RegOpenKeyExA
RegOpenKeyA
ADVAPI32.dll
ShellExecuteA
SHELL32.dll
WS2_32.dll
WINMM.dll
InternetOpenUrlA
WININET.dll
999mu.3322.org:5565
262975953262975953
%u.%u.%u.%u
hra%u.dll
iexplore.exe
stf%c%c%c%c%c.exe
PlusCtrl.dll
kernel32.dll
SOFTWARE.LOG
%c%c%c%c%c%c.exe
%u MB
%u MHz
Windows NT
Windows 7
Windows 2008
Windows Vista
Windows 2003
Windows XP
Windows 2000
SOFTWARE\Microsoft\Windows NT\CurrentVersion
\Program Files\Internet Explorer\iexplore.exe
#0%s!
%s/%s
GET %s HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
User-Agent:Mozilla/4.0 (compatible; MSIE %d.0; Windows NT %d.1; SV1)
Host: %s:%d
Host: %s
User-Agent:Mozilla/5.0 (X11; U; Linux i686; en-US; re:1.4.0) Gecko/20080808 Firefox/%d.0
Referer: hXXp://%s:80/hXXp://%s
%s %s%s
User-Agent:Mozilla/4.0 (compatible; MSIE %d.00; Windows NT %d.0; MyIE 3.01)
User-Agent:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
%d.%d.%d.%d
192.168.1.244
svchost.exe
ntdll.dll
`.rdata
@.reloc
SHLWAPI.dll
lpk.dll
]Wi%d
.tog"d
%XJ$i
t!%C_
"j.tD]f
%x0?]
|4.eBQ
[email protected]
it.ia
cmd /c RD /s /q "%s"
"%s" a -r -ep1"%s" "%s" "%s\lpk.dll"
"%s" x "%s" *.exe "%s\"
cmd /c %s vb "%s" lpk.dll|find /i "lpk.dll"
rar.exe
1, 0, 0, 1
server.EXE
svchost.exe_1752_rwx_00400000_00032000:
.text
.rdata
@.data
.rsrc
GET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htmGET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htm
MFC42.DLL
MSVCRT.dll
_acmdln
WinExec
KERNEL32.dll
USER32.dll
RegCloseKey
RegOpenKeyExA
RegOpenKeyA
ADVAPI32.dll
ShellExecuteA
SHELL32.dll
WS2_32.dll
WINMM.dll
InternetOpenUrlA
WININET.dll
999mu.3322.org:5565
262975953262975953
%u.%u.%u.%u
hra%u.dll
iexplore.exe
stf%c%c%c%c%c.exe
PlusCtrl.dll
kernel32.dll
SOFTWARE.LOG
%c%c%c%c%c%c.exe
%u MB
%u MHz
Windows NT
Windows 7
Windows 2008
Windows Vista
Windows 2003
Windows XP
Windows 2000
SOFTWARE\Microsoft\Windows NT\CurrentVersion
\Program Files\Internet Explorer\iexplore.exe
#0%s!
%s/%s
GET %s HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
User-Agent:Mozilla/4.0 (compatible; MSIE %d.0; Windows NT %d.1; SV1)
Host: %s:%d
Host: %s
User-Agent:Mozilla/5.0 (X11; U; Linux i686; en-US; re:1.4.0) Gecko/20080808 Firefox/%d.0
Referer: hXXp://%s:80/hXXp://%s
%s %s%s
User-Agent:Mozilla/4.0 (compatible; MSIE %d.00; Windows NT %d.0; MyIE 3.01)
User-Agent:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
%d.%d.%d.%d
192.168.1.244
svchost.exe
ntdll.dll
`.rdata
@.reloc
SHLWAPI.dll
lpk.dll
]Wi%d
.tog"d
%XJ$i
t!%C_
"j.tD]f
%x0?]
|4.eBQ
[email protected]
it.ia
cmd /c RD /s /q "%s"
"%s" a -r -ep1"%s" "%s" "%s\lpk.dll"
"%s" x "%s" *.exe "%s\"
cmd /c %s vb "%s" lpk.dll|find /i "lpk.dll"
rar.exe
1, 0, 0, 1
server.EXE
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Scan a system with an anti-rootkit tool.
- Terminate malicious process(es) (How to End a Process With the Task Manager):
regsvr32.exe:276
hrlB2.tmp:1708 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\hrlB2.tmp (182 bytes)
%System%\xohdok.exe (673 bytes) - Restore the original content of the HOSTS file (%System%\drivers\etc\hosts):
127.0.0.1 localhost - Reboot the computer.
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.