DeepScan.Generic.Malware.PTk.6320D477_e75ba12aea

by malwarelabrobot on November 21st, 2014 in Malware Descriptions.

Trojan-Dropper.Win32.Agent.axza (Kaspersky), DeepScan:Generic.Malware.P!Tk.6320D477 (B) (Emsisoft), DeepScan:Generic.Malware.P!Tk.6320D477 (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: e75ba12aea996b400ffe525c6d597318
SHA1: 39618ecaa452b64610e95c9e98652f72bef0cbd0
SHA256: 0c0a8e1c9aaab77e4d8129ae7e06be576c24393bb29cfa34220d5984ca24f468
SSDeep: 768:D z0vIRLwOH2PqzHuZRCPEcH7leYmMB7J9vE/F6JW:g0vIRMVq3EcH7leYmMB7nc/FN
Size: 37888 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: PackerUPXCompresorGratuitowwwupxsourceforgenet, UPolyXv05_v6
Company: Name Disposition
Created at: 2009-07-25 18:30:12
Analyzed on: WindowsXP 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:1936
taskkill.exe:368
taskkill.exe:1532
sc.exe:1388
rundll32.exe:212
cacls.exe:396

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

%original file name%.exe:556

Mutexes

The following mutexes were created/opened:

RasPbFile
WininetProxyRegistryMutex
c:!documents and settings!adm!local settings!history!history.ie5!
WininetConnectionMutex
WininetStartupMutex
c:!documents and settings!adm!cookies!
c:!documents and settings!adm!local settings!temporary internet files!content.ie5!
_!MSFTHISTORY!_
ZonesLockedCacheCounterMutex
ZonesCacheCounterMutex
ZonesCounterMutex
DBWinMutex
ShimCacheMutex
135896

File activity

The process rundll32.exe:212 makes changes in the file system.
The DeepScan creates and/or writes to the following file(s):

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

The process %original file name%.exe:556 makes changes in the file system.
The DeepScan creates and/or writes to the following file(s):

C:\autorun.inf (21 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%System%\m1846741.dll (12169462 bytes)
%WinDir% (384 bytes)
C:\ (4 bytes)
%System%\drivers\etc\hosts (5 bytes)
%WinDir%\s265006334.dll (35485887 bytes)
C:\1.exe (37 bytes)
%System%\config (108 bytes)
%System%\drivers\pcidump.sys (5404535 bytes)
%System%\drivers (96 bytes)
%System% (744 bytes)

Registry activity

The process taskkill.exe:1936 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0B F7 B2 17 1D 7E 36 2F 94 13 C4 DE 51 1A 89 DD"

The process taskkill.exe:368 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "CB 3F D5 C1 27 14 D8 F0 7D 61 CD 0F CA DF C9 F0"

The process taskkill.exe:1532 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3D AA F6 87 C8 06 91 59 4C D2 11 41 8E 2F 5E C5"

The process sc.exe:1388 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E3 20 FD 9D DB 0F BE C4 EB 08 6A E8 E5 06 6D E1"

The process rundll32.exe:212 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "84 C8 35 3C 3B 2A A9 F0 3C 7E DF C9 59 39 FB 27"

The process cacls.exe:396 makes changes in the system registry.
The DeepScan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2D B6 D2 8D B8 B0 69 4A EA 9E D5 1A C9 8B 2A 0E"

Dropped PE files

MD5 File path
47ce67ae447dba7ca7349f53812e9f89 c:\WINDOWS\LastGood\system32\drivers\acpiec.sys
b18cc80306ca1ae3eb2687cc6a6768c1 c:\WINDOWS\s265006334.dll
9859c0f6936e723e4892d7141b1327d5 c:\WINDOWS\system32\dllcache\acpiec.sys
47ce67ae447dba7ca7349f53812e9f89 c:\WINDOWS\system32\drivers\OLD3.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: Swedish (Sweden)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
UPX0 4096 86016 0 0 d41d8cd98f00b204e9800998ecf8427e
UPX1 90112 36864 34816 5.46722 bd436b5c236cf458fb884bc37a693cf7
.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_556:

`.rsrc
%s\s%d
32.exe
%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
V "se`T%DP
B`.rdha
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_556_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

%original file name%.exe_556_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_556_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_212:

.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:1936
    taskkill.exe:368
    taskkill.exe:1532
    sc.exe:1388
    rundll32.exe:212
    cacls.exe:396

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

    %System%\drivers\acpiec.sys (14 bytes)
    C:\autorun.inf (21 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %System%\m1846741.dll (12169462 bytes)
    %System%\drivers\etc\hosts (5 bytes)
    %WinDir%\s265006334.dll (35485887 bytes)
    C:\1.exe (37 bytes)
    %System%\config (108 bytes)
    %System%\drivers\pcidump.sys (5404535 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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