DeepScan.Generic.Malware.PTk.41721171_24e75bde7d

by malwarelabrobot on October 18th, 2014 in Malware Descriptions.

Trojan-Dropper.Win32.Agent.axza (Kaspersky), Trojan.Generic.4539457 (B) (Emsisoft), DeepScan:Generic.Malware.P!Tk.41721171 (AdAware), Backdoor.Win32.PcClient.FD, GenericAutorunWorm.YR (Lavasoft MAS)
Behaviour: Trojan-Dropper, Trojan, Backdoor, Worm, WormAutorun, Malware


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

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: 24e75bde7d18226edd597ae697d87e7e
SHA1: d411c7bf7b85b0d28d6fb5cbdb388eb1f7ca85e6
SHA256: ed504a9ad748eb6743b6519201d634b96a7f44d03d4bfd57f4fa9e6e584e4a27
SSDeep: 768:8K6Wpy9udnJcd46Wm8rS8OFfUQQkM0MxRBkhUooda:xBy9uEd4S8rSRykHMLBo7
Size: 37888 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: PackerUPXCompresorGratuitowwwupxsourceforgenet, UPolyXv05_v6
Company: no certificate found
Created at: 2009-07-25 18:30:12
Analyzed on: WindowsXPESX SP3 32-bit


Summary:

Trojan-Dropper. Trojan program, intended for stealth installation of other malware into user's system.

Payload

Behaviour Description
WormAutorun A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the DeepScan's file once a user opens a drive's folder in Windows Explorer.


Process activity

The DeepScan creates the following process(es):

taskkill.exe:604
taskkill.exe:360
taskkill.exe:552
sc.exe:1788
rundll32.exe:744
cacls.exe:692

The DeepScan injects its code into the following process(es):

%original file name%.exe:820

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process %original file name%.exe:820 makes changes in the file system.
The DeepScan creates and/or writes to the following file(s):

C:\ (4 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp (4 bytes)
C:\autorun.inf (21 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\index.dat (388 bytes)
C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\Perflib_Perfdata_2a4.dat (100 bytes)
%System%\m1846741.dll (12169462 bytes)
%System%\drivers\etc\hosts (5 bytes)
%WinDir%\Temp\Perflib_Perfdata_124.dat (100 bytes)
%WinDir% (384 bytes)
%System%\drivers\pcidump.sys (5404535 bytes)
%System% (744 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%System%\config (100 bytes)
%System%\drivers (96 bytes)
%WinDir%\s265006334.dll (35485887 bytes)
C:\1.exe (37 bytes)

The process rundll32.exe:744 makes changes in the file system.
The DeepScan creates and/or writes to the following file(s):

%System%\drivers\acpiec.sys (14 bytes)

Registry activity

The process taskkill.exe:604 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "02 1F 05 A9 5B 59 36 28 27 B3 C2 D6 6E 7D 3E CE"

The process taskkill.exe:360 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "19 C2 50 F8 81 18 F2 72 1F A5 F4 9E 76 EB 52 B5"

The process taskkill.exe:552 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "6D 17 27 1F 56 F2 FB D2 90 8D FB A5 1D 94 96 73"

The process sc.exe:1788 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E5 22 35 F3 5C 2B 74 53 FE 55 07 73 07 B9 14 8D"

The process rundll32.exe:744 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "90 60 41 55 9A 75 9F D4 D7 4E BD EC 3D 0B D1 36"

The process cacls.exe:692 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "72 40 A9 07 F8 AB B5 7B 4F B5 38 EF F3 86 AA AA"

Dropped PE files

MD5 File path
47ce67ae447dba7ca7349f53812e9f89 c:\WINDOWS\LastGood\system32\drivers\acpiec.sys
168b54c167308ae920dbccec4b57eff2 c:\WINDOWS\s265006334.dll
9859c0f6936e723e4892d7141b1327d5 c:\WINDOWS\system32\dllcache\acpiec.sys
47ce67ae447dba7ca7349f53812e9f89 c:\WINDOWS\system32\drivers\OLDB4.tmp
601b3f2466bfa6989b9c7586b5ba54aa c:\WINDOWS\system32\drivers\pcidump.sys
3e3b8a35aefc6e462746d6689348fa7e c:\WINDOWS\system32\m1846741.dll

HOSTS file anomalies

The DeepScan modifies "%System%\drivers\etc\hosts" file which is used to translate DNS entries to IP addresses.
The modified file is 5743 bytes in size. The following strings are added to the hosts file listed below:

127.0.0.1 v.onondown.com.cn
127.0.0.2 ymsdasdw1.cn
127.0.0.3 h96b.info
127.0.0.0 fuck.zttwp.cn
127.0.0.0 www.hackerbf.cn
127.0.0.0 geekbyfeng.cn
127.0.0.0 121.14.101.68
127.0.0.0 ppp.etimes888.com
127.0.0.0 www.bypk.com
127.0.0.0 CSC3-2004-crl.verisign.com
127.0.0.1 va9sdhun23.cn
127.0.0.0 udp.hjob123.com
127.0.0.2 bnasnd83nd.cn
127.0.0.0 www.gamehacker.com.cn
127.0.0.0 gamehacker.com.cn
127.0.0.3 adlaji.cn
127.0.0.1 858656.com
127.1.1.1 bnasnd83nd.cn
127.0.0.1 my123.com
127.0.0.0 user1.12-27.net
127.0.0.1 8749.com
127.0.0.0 fengent.cn
127.0.0.1 4199.com
127.0.0.1 user1.16-22.net
127.0.0.1 7379.com
127.0.0.1 2be37c5f.3f6e2cc5f0b.com
127.0.0.1 7255.com
127.0.0.1 user1.23-12.net
127.0.0.1 3448.com
127.0.0.1 www.guccia.net
127.0.0.1 7939.com
127.0.0.1 a.o1o1o1.nEt
127.0.0.1 8009.com
127.0.0.1 user1.12-73.cn
127.0.0.1 piaoxue.com
127.0.0.1 3n8nlasd.cn
127.0.0.1 kzdh.com
127.0.0.0 www.sony888.cn
127.0.0.1 about.blank.la
127.0.0.0 user1.asp-33.cn
127.0.0.1 6781.com
127.0.0.0 www.netkwek.cn
127.0.0.1 7322.com
127.0.0.0 ymsdkad6.cn
127.0.0.0 www.lkwueir.cn
127.0.0.1 06.jacai.com
127.0.1.1 user1.23-17.net
127.0.0.1 1.jopenkk.com
127.0.0.0 upa.luzhiai.net
127.0.0.1 1.jopenqc.com
127.0.0.0 www.guccia.net
127.0.0.1 1.joppnqq.com
127.0.0.0 4m9mnlmi.cn
127.0.0.1 1.xqhgm.com
127.0.0.0 mm119mkssd.cn
127.0.0.1 100.332233.com
127.0.0.0 61.128.171.115:8080
127.0.0.1 121.11.90.79
127.0.0.0 www.1119111.com
127.0.0.1 121565.net
127.0.0.0 win.nihao69.cn
127.0.0.1 125.90.88.38
127.0.0.1 16888.6to23.com
127.0.0.1 2.joppnqq.com
127.0.0.0 puc.lianxiac.net
127.0.0.1 204.177.92.68
127.0.0.0 pud.lianxiac.net
127.0.0.1 210.74.145.236
127.0.0.0 210.76.0.133
127.0.0.1 219.129.239.220
127.0.0.0 61.166.32.2
127.0.0.1 219.153.40.221
127.0.0.0 218.92.186.27
127.0.0.1 219.153.46.27
127.0.0.0 www.fsfsfag.cn
127.0.0.1 219.153.52.123
127.0.0.0 ovo.ovovov.cn
127.0.0.1 221.195.42.71
127.0.0.0 dw.com.com
127.0.0.1 222.73.218.115
127.0.0.1 203.110.168.233:80
127.0.0.1 3.joppnqq.com
127.0.0.1 203.110.168.221:80
127.0.0.1 363xx.com
127.0.0.1 www1.ip10086.com.cm
127.0.0.1 4199.com
127.0.0.1 blog.ip10086.com.cn
127.0.0.1 43242.com
127.0.0.1 www.ccji68.cn
127.0.0.1 5.xqhgm.com
127.0.0.0 t.myblank.cn
127.0.0.1 520.mm5208.com
127.0.0.0 x.myblank.cn
127.0.0.1 59.34.131.54
127.0.0.1 210.51.45.5
127.0.0.1 59.34.198.228
127.0.0.1 www.ew1q.cn
127.0.0.1 59.34.198.88
127.0.0.1 59.34.198.97
127.0.0.1 60.190.114.101
127.0.0.1 60.190.218.34
127.0.0.0 qq-xing.com.cn
127.0.0.1 60.191.124.252
127.0.0.1 61.145.117.212
127.0.0.1 61.157.109.222
127.0.0.1 75.126.3.216
127.0.0.1 75.126.3.217
127.0.0.1 75.126.3.218
127.0.0.0 59.125.231.177:17777
127.0.0.1 75.126.3.220
127.0.0.1 75.126.3.221
127.0.0.1 75.126.3.222
127.0.0.1 772630.com
127.0.0.1 832823.cn
127.0.0.1 8749.com
127.0.0.1 888.jopenqc.com
127.0.0.1 89382.cn
127.0.0.1 8v8.biz
127.0.0.1 97725.com
127.0.0.1 9gg.biz
127.0.0.1 www.9000music.com
127.0.0.1 test.591jx.com
127.0.0.1 a.topxxxx.cn
127.0.0.1 picon.chinaren.com
127.0.0.1 www.5566.net
127.0.0.1 p.qqkx.com
127.0.0.1 news.netandtv.com
127.0.0.1 z.neter888.cn
127.0.0.1 b.myblank.cn
127.0.0.1 wvw.wokutu.com
127.0.0.1 unionch.qyule.com
127.0.0.1 www.qyule.com
127.0.0.1 it.itjc.cn
127.0.0.1 www.linkwww.com
127.0.0.1 vod.kaicn.com
127.0.0.1 www.tx8688.com
127.0.0.1 b.neter888.cn
127.0.0.1 promote.huanqiu.com
127.0.0.1 www.huanqiu.com
127.0.0.1 www.haokanla.com
127.0.0.1 play.unionsky.cn
127.0.0.1 www.52v.com
127.0.0.1 www.gghka.cn
127.0.0.1 icon.ajiang.net
127.0.0.1 new.ete.cn
127.0.0.1 www.stiae.cn
127.0.0.1 o.neter888.cn
127.0.0.1 comm.jinti.com
127.0.0.1 www.google-analytics.com
127.0.0.1 hz.mmstat.com
127.0.0.1 www.game175.cn
127.0.0.1 x.neter888.cn
127.0.0.1 z.neter888.cn
127.0.0.1 p.etimes888.com
127.0.0.1 hx.etimes888.com
127.0.0.1 abc.qqkx.com
127.0.0.1 dm.popdm.cn
127.0.0.1 www.yl9999.com
127.0.0.1 www.dajiadoushe.cn
127.0.0.1 v.onondown.com.cn
127.0.0.1 www.interoo.net
127.0.0.1 bally1.bally-bally.net
127.0.0.1 www.bao5605509.cn
127.0.0.1 www.rty456.cn
127.0.0.1 www.werqwer.cn
127.0.0.1 1.360-1.cn
127.0.0.1 user1.23-16.net
127.0.0.1 www.guccia.net
127.0.0.1 www.interoo.net
127.0.0.1 upa.netsool.net
127.0.0.1 js.users.51.la
127.0.0.1 vip2.51.la
127.0.0.1 web.51.la
127.0.0.1 qq.gong2008.com
127.0.0.1 2008tl.copyip.com
127.0.0.1 tla.laozihuolaile.cn
127.0.0.1 www.tx6868.cn
127.0.0.1 p001.tiloaiai.com
127.0.0.1 s1.tl8tl.com
127.0.0.1 s1.gong2008.com
127.0.0.1 4b3ce56f9g.3f6e2cc5f0b.com


Rootkit activity

The DeepScan installs the following kernel-mode hooks:

ZwQuerySystemInformation

Using the driver "%System%\drivers\pcidump.sys" the DeepScan substitutes IRP handlers in a file system driver (NTFS) to control operations with files:

MJ_CREATE

Propagation

A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the DeepScan's file once a user opens a drive's folder in Windows Explorer.

VersionInfo

Company Name: Microsoft Corporation
Product Name: Microsoft(R) Windows(R) Operating System
Product Version: 5.1.2600.0
Legal Copyright: (C) Microsoft Corporation. All rights reserved.
Legal Trademarks:
Original Filename: CALC.EXE
Internal Name: CALC
File Version: 5.1.2600.0 (xpclient.010817-1148)
File Description: Windows Calculator application file
Comments:
Language: English (United States)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
UPX0 4096 86016 0 0 d41d8cd98f00b204e9800998ecf8427e
UPX1 90112 36864 34816 5.46756 27187ad0d6bcef9a5b59fa51d062316e
.rsrc 126976 4096 2048 1.91925 0b2c49604cc338a65a6b41dff3b6d7f9

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 DeepScan connects to the servers at the folowing location(s):

%original file name%.exe_820:

`.rsrc
%s\s%d
32.exe
%dm^`[
%s\s%d%d.dll
rundll32.exe %s, droqp
%s\system32\m%d%d.dll
cmd /c taskkill /im ScanFrm.exe /f
cmd /c taskkill /im egui.exe /f
cmd /c taskkill /im ekrn.exe /f
cmd /c sc config ekrn start= disabled
cacls %s /e /p everyone:f
cacls "%s" /e /p everyone:f
\temp\explorer.exe
\drivers\gm.dls
explorer.exe
[ffi][nil:>:,::mn^::K<?CRT
 ,1(*(*( 
 ,1(*(*(,
 ,1(*(*(-
 ,1(*(*(*
 , ( .( * (02
 ,1( ( ( 
 ,1(*( ( 
0 ( ,2( 1 (  /42*2*
 , (  (3*(13
 ,/(3*(22(-2
,*.( 11(3,(02
, *(1.( ./(,-0
, *(10(*( --
, 3( ,3(,-3(,,*
0 ( 00(-,(,
, 3( /-(.*(,, 
, 2(3,( 20(,1
, 3( /-(.0(,1
, 3( /-(/,( ,-
,, ( 3/(.,(1 
,,,(1-(, 2(  /
,*-(  *( 02(,--42*
,*-(  *( 02(,, 42*
/3(-.( - (/.
, *(/ (./(/
/3(-.( 32(,,2
/3(-.( 32(22
/3(-.( 32(31
0*( 3*(  .( * 
0*( 3*(, 2(-.
0*( 3 ( ,.(,/,
0 ( ./(  1(, ,
0 ( /1( *3(,,,
1/( ,0(-(, 0
1/( ,0(-(, 1
1/( ,0(-(, 2
/3( ,/(,- ( 114 1111
1/( ,0(-(,,*
1/( ,0(-(,, 
1/( ,0(-(,,,
3-3?3\3{3
/!/-/6/`0~0
Ci>_f_n_Msg\ifc]Fche
Ci=l_[n_Msg\ifc]Fche
windows
webtrap
WEBSCANX
WEBSCAN
smtpsvc
safeweb
Kabackreport
WinExec
GetWindowsDirectoryA
.text
`.rdata
@.data
.rsrc
,gF %c
B`.rdh
KERNEL32.DLL
MSVCRT.dll
SHELL32.dll
Windows Calculator application file
5.1.2600.0 (xpclient.010817-1148)
CALC.EXE
Microsoft(R) Windows(R) Operating System
5.1.2600.0

%original file name%.exe_820_rwx_00401000_0001D000:

%s\s%d%d.dll
rundll32.exe %s, droqp
%s\system32\m%d%d.dll
cmd /c taskkill /im ScanFrm.exe /f
cmd /c taskkill /im egui.exe /f
cmd /c taskkill /im ekrn.exe /f
cmd /c sc config ekrn start= disabled
cacls %s /e /p everyone:f
cacls "%s" /e /p everyone:f
\temp\explorer.exe
\drivers\gm.dls
explorer.exe
[ffi][nil:>:,::mn^::K<?CRT
 ,1(*(*( 
 ,1(*(*(,
 ,1(*(*(-
 ,1(*(*(*
 , ( .( * (02
 ,1( ( ( 
 ,1(*( ( 
0 ( ,2( 1 (  /42*2*
 , (  (3*(13
 ,/(3*(22(-2
,*.( 11(3,(02
, *(1.( ./(,-0
, *(10(*( --
, 3( ,3(,-3(,,*
0 ( 00(-,(,
, 3( /-(.*(,, 
, 2(3,( 20(,1
, 3( /-(.0(,1
, 3( /-(/,( ,-
,, ( 3/(.,(1 
,,,(1-(, 2(  /
,*-(  *( 02(,--42*
,*-(  *( 02(,, 42*
/3(-.( - (/.
, *(/ (./(/
/3(-.( 32(,,2
/3(-.( 32(22
/3(-.( 32(31
0*( 3*(  .( * 
0*( 3*(, 2(-.
0*( 3 ( ,.(,/,
0 ( ./(  1(, ,
0 ( /1( *3(,,,
1/( ,0(-(, 0
1/( ,0(-(, 1
1/( ,0(-(, 2
/3( ,/(,- ( 114 1111
1/( ,0(-(,,*
1/( ,0(-(,, 
1/( ,0(-(,,,
3-3?3\3{3
/!/-/6/`0~0
Ci>_f_n_Msg\ifc]Fche
Ci=l_[n_Msg\ifc]Fche
windows
webtrap
WEBSCANX
WEBSCAN
smtpsvc
safeweb
Kabackreport
WinExec
GetWindowsDirectoryA
.text
`.rdata
@.data
.rsrc
,gF %c

%original file name%.exe_820_rwx_10000000_00001000:

.data
.rsrc
@.reloc
psapi.dll
\patch.exe
\dstdisk.exe
\defence.exe
192yuioealdjfiefjsdfas.txt
%SystemRoot%\System32\DRIVERS\puid.sys
\drivers\pcidump.sys
System32\DRIVERS\pcidump.sys
%SystemRoot%\system32\drivers\puid.sys
\\.\pcidump
\drivers\gm.dls
%s%d.txt
>>tmp.tmp
@echo rcx>>tmp.tmp
@echo %X>>tmp.tmp
@echo n tmp2>>tmp.tmp
@echo w>>tmp.tmp
@echo q>>tmp.tmp
@debug<tmp.tmp>nul
@rename tmp2 tmp2.exe
tmp2.exe
Windows
1.exe
autorun.inf
Open=1.exe
urlmon
\setup.exe
?mac=%s&ver=%s&key=%d&os=windows
.html
.hhqg
qq.exe
360safe.exe
\explorer.exe
\temp\explorer.exe
nfect_exe
\pipe\browser
\\%s\IPC$
Bd

%original file name%.exe_820_rwx_1000A000_00002000:

\??\c:\%original file name%.exe
\??\%WinDir%\explorer.exe
ers\gm.dls
WinExec
CreatePipe
GetWindowsDirectoryA
KERNEL32.dll
USER32.dll
ADVAPI32.dll
WS2_32.dll
InternetOpenUrlA
WININET.dll

rundll32.exe_744:

.text
`.data
.rsrc
msvcrt.dll
KERNEL32.dll
NTDLL.DLL
GDI32.dll
USER32.dll
IMAGEHLP.dll
rundll32.pdb
.....eZXnnnnnnnnnnnn3
....eDXnnnnnnnnnnnn3
...eDXnnnnnnnnnnnn,
.eDXnnnnnnnnnnnn,
%Xnnnnnnnnnnnnnnn1
O3$dS7"%U9
.manifest
5.1.2600.5512 (xpsp.080413-2105)
RUNDLL.EXE
Windows
Operating System
5.1.2600.5512
YThere is not enough memory to run the file %s.
Please close other windows and try again.
9The file %s or one of its components could not be opened.
0The file %s or one of its components cannot run.
MThe file %s or one of its components requires a different version of Windows.
UThe file %s or one of its components cannot run in standard or enhanced mode Windows.3Another instance of the file %s is already running./An exception occurred while trying to run "%s"
Error in %s
Missing entry:%s
Error loading %s


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):

    taskkill.exe:604
    taskkill.exe:360
    taskkill.exe:552
    sc.exe:1788
    rundll32.exe:744
    cacls.exe:692

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

    C:\ (4 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp (4 bytes)
    C:\autorun.inf (21 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\index.dat (388 bytes)
    C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\Perflib_Perfdata_2a4.dat (100 bytes)
    %System%\m1846741.dll (12169462 bytes)
    %System%\drivers\etc\hosts (5 bytes)
    %WinDir%\Temp\Perflib_Perfdata_124.dat (100 bytes)
    %System%\drivers\pcidump.sys (5404535 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %System%\config (100 bytes)
    %WinDir%\s265006334.dll (35485887 bytes)
    C:\1.exe (37 bytes)
    %System%\drivers\acpiec.sys (14 bytes)

  5. Restore the original content of the HOSTS file (%System%\drivers\etc\hosts):
    127.0.0.1 localhost
  6. Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
  7. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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