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Trojan.DownLoader6.28807

Added to the Dr.Web virus database: 2012-07-18

Virus description added:

Technical Information

To ensure autorun and distribution:
Creates the following services:
  • [<HKLM>\SYSTEM\ControlSet001\Services\f1fb3d244c5c0902] 'ImagePath' = '<DRIVERS>\f1fb3d244c5c0902.sys'
  • [<HKLM>\SYSTEM\ControlSet001\Services\f1fb3d244c5c0902] 'Start' = '00000000'
  • [<HKLM>\SYSTEM\ControlSet001\Services\syshost32] 'Start' = '00000002'
  • [<HKLM>\SYSTEM\ControlSet001\Services\18dd3] 'Start' = '00000001'
Malicious functions:
Creates and executes the following:
  • %WINDIR%\Installer\{6B13FB35-4A15-69A4-AEC3-4EDD84BB50E7}\syshost.exe /service
Hooks the following functions in System Service Descriptor Table (SSDT):
  • NtOpenThread, handler: unknown
  • NtOpenProcess, handler: unknown
Modifies file system :
Creates the following files:
  • <DRIVERS>\f1fb3d244c5c0902.sys
  • <DRIVERS>\18dd3.sys
  • %WINDIR%\Installer\{6B13FB35-4A15-69A4-AEC3-4EDD84BB50E7}\syshost.exe
Deletes the following files:
  • <DRIVERS>\18dd3.sys
Moves itself:
  • from <Full path to virus> to %TEMP%\dd199ab8.tmp
Deletes itself.
Network activity:
Connects to:
  • 'hg####phbwfops.nu':80
  • 'nm#####sllqeonfds.ac':80
  • 'da####nmbtesug.so':80
  • 'jj#####vivlwfjsklt.mn':80
  • 'kw###kepbb.nf':80
  • 'ud#####nwofvnvtgado.mn':80
  • 'iq#####twihoglxlesp.cm':80
  • 'ep###ocopr.cc':80
  • 'bq####xyuihnjiex.ms':80
  • 'tt####feamjvkuh.ki':80
  • 'lm####nfbvcnk.ac':80
  • 'ks####ufulnije.ac':80
  • 'wg#####wqokxkcffkx.cx':80
  • 'bv#####vjexpltqtito.ms':80
  • 'sl######pqjlaehpkfalw.ac':80
  • 'bw#####thndyeboio.nf':80
  • 'va###lahspv.im':80
  • 'hm######gksgfwhtatjbsf.mn':80
  • 'cl######dkxmhbcjfmyugaw.ms':80
  • 'tj######lxwkpbfgsiobrqjo.la':80
  • 'at#####atdfiddtlh.cm':80
  • 'ys######blaproylthkiai.nf':80
  • 'kc####ptldaqx.sc':80
  • 'dh###bvdgh.im':80
  • 'wl###xuctubi.tj':80
  • 'pp#####nxtjoioyycrlw.nu':80
  • 'yf######ndcikpvyvxwlb.jp':80
  • 'lv###igxitpy.nu':80
  • 'oe######dqfephppysqjfj.cx':80
  • 'pd######tmrwbdcnerfgmc.im':80
  • 'ny####nkhhmioqf.ms':80
  • 'bq####ymhxjdnsa.jp':80
  • 'de###qbsmc.tj':80
  • 'lp#####evfawnhyjn.tw':80
  • 'ji#####xpnvlmlxuqjac.nf':80
  • 'rw#####uilkkvofanb.nf':80
  • 'ea####xuemgdqpyp.tj':80
  • 'rm######gnooqeqjajqgve.nu':80
  • 'en######krlsfsqpjrfrd.cx':80
  • 'np####benqndacux.so':80
  • 'ro#####anlhdyracmxi.im':80
  • '62.##.229.134':80
  • '62.##.229.126':80
  • '20#.#6.232.182':80
  • '62.##.229.131':80
  • 'wx#####idqhgvlndaxe.ac':80
  • 'gu####lmxlvwn.sh':80
  • 'fa###ook.com':80
  • 'rg###kbbhvcc.so':80
  • 'hc####dooylncrr.tj':80
  • 'vk#####qitdyyhunq.ki':80
  • 'if######qwlrgnjbxmlbnlca.so':80
  • 'ik####dwvwjhwd.ac':80
  • 'pq###jvfgwcv.sc':80
  • 'yj#####qwpuablrxnf.la':80
  • 'ou#####xgatrboqjoxpu.tj':80
  • 'rk####hoaooypbu.tj':80
  • 'ug###sospxij.in':80
  • 'iw#####ppyiafoote.so':80
  • 'ol######yemvecweilbyky.ac':80
  • 'ja######ggbtskryabkcx.ms':80
  • 'gf######bdkorurbqmygjwe.so':80
  • 'tj#####qevjsessrfb.ac':80
  • 'ix######kvfjytfadqgev.so':80
  • 'gg###lsvcdog.sh':80
TCP:
HTTP POST requests:
  • nm#####sllqeonfds.ac/database.cgi
  • hg####phbwfops.nu/database.cgi
  • jj#####vivlwfjsklt.mn/database.cgi
  • iq#####twihoglxlesp.cm/database.cgi
  • ud#####nwofvnvtgado.mn/database.cgi
  • kw###kepbb.nf/database.cgi
  • ep###ocopr.cc/database.cgi
  • da####nmbtesug.so/database.cgi
  • tt####feamjvkuh.ki/database.cgi
  • bq####xyuihnjiex.ms/database.cgi
  • ks####ufulnije.ac/database.cgi
  • sl######pqjlaehpkfalw.ac/database.cgi
  • bv#####vjexpltqtito.ms/database.cgi
  • wg#####wqokxkcffkx.cx/database.cgi
  • bw#####thndyeboio.nf/database.cgi
  • yf######ndcikpvyvxwlb.jp/database.cgi
  • hm######gksgfwhtatjbsf.mn/database.cgi
  • va###lahspv.im/database.cgi
  • tj######lxwkpbfgsiobrqjo.la/database.cgi
  • kc####ptldaqx.sc/database.cgi
  • ys######blaproylthkiai.nf/database.cgi
  • at#####atdfiddtlh.cm/database.cgi
  • dh###bvdgh.im/database.cgi
  • cl######dkxmhbcjfmyugaw.ms/database.cgi
  • pp#####nxtjoioyycrlw.nu/database.cgi
  • wl###xuctubi.tj/database.cgi
  • lv###igxitpy.nu/database.cgi
  • ny####nkhhmioqf.ms/database.cgi
  • pd######tmrwbdcnerfgmc.im/database.cgi
  • oe######dqfephppysqjfj.cx/database.cgi
  • bq####ymhxjdnsa.jp/database.cgi
  • lm####nfbvcnk.ac/database.cgi
  • np####benqndacux.so/database.cgi
  • ji#####xpnvlmlxuqjac.nf/database.cgi
  • lp#####evfawnhyjn.tw/database.cgi
  • ro#####anlhdyracmxi.im/database.cgi
  • ol######yemvecweilbyky.ac/database.cgi
  • en######krlsfsqpjrfrd.cx/database.cgi
  • rm######gnooqeqjajqgve.nu/database.cgi
  • ea####xuemgdqpyp.tj/database.cgi
  • 62.##.229.126/cgi-bin/auth.cgi
  • 62.##.229.134/cgi-bin/auth.cgi
  • 62.##.229.131/cgi-bin/auth.cgi
  • rg###kbbhvcc.so/database.cgi
  • rw#####uilkkvofanb.nf/database.cgi
  • gu####lmxlvwn.sh/database.cgi
  • wx#####idqhgvlndaxe.ac/database.cgi
  • ja######ggbtskryabkcx.ms/database.cgi
  • ou#####xgatrboqjoxpu.tj/database.cgi
  • vk#####qitdyyhunq.ki/database.cgi
  • hc####dooylncrr.tj/database.cgi
  • rk####hoaooypbu.tj/database.cgi
  • de###qbsmc.tj/database.cgi
  • yj#####qwpuablrxnf.la/database.cgi
  • pq###jvfgwcv.sc/database.cgi
  • ik####dwvwjhwd.ac/database.cgi
  • ix######kvfjytfadqgev.so/database.cgi
  • iw#####ppyiafoote.so/database.cgi
  • ug###sospxij.in/database.cgi
  • gg###lsvcdog.sh/database.cgi
  • if######qwlrgnjbxmlbnlca.so/database.cgi
  • tj#####qevjsessrfb.ac/database.cgi
  • gf######bdkorurbqmygjwe.so/database.cgi
UDP:
  • DNS ASK rw####dfwrlkgfd.cm
  • DNS ASK fa####nasmswdc.cm
  • DNS ASK uw####kbtwtkj.cm
  • DNS ASK ep#####hwcqjqyqskvhv.ki
  • DNS ASK hm######gksgfwhtatjbsf.mn
  • DNS ASK ig#####wcceijobhysy.tj
  • DNS ASK ks######cgrofvaxxiygglbk.tw
  • DNS ASK rt###xqdrg.cm
  • DNS ASK dh###bvdgh.im
  • DNS ASK ng####fbemoiokh.cx
  • DNS ASK lc###crksfpe.so
  • DNS ASK rg#######huchqkfpkxtlpofr.cm
  • DNS ASK kc####ptldaqx.sc
  • DNS ASK cu####lpmwvgbx.la
  • DNS ASK oe######dqfephppysqjfj.cx
  • DNS ASK pd######tmrwbdcnerfgmc.im
  • DNS ASK hx#####siugqswfgqsh.in
  • DNS ASK bq####ymhxjdnsa.jp
  • DNS ASK qu######rxkevhqmnhtbj.tj
  • DNS ASK pp#####nxtjoioyycrlw.nu
  • DNS ASK ny####nkhhmioqf.ms
  • DNS ASK cd####xidbggm.ki
  • DNS ASK vp#####ksdkxnbidfr.ki
  • DNS ASK va###lahspv.im
  • DNS ASK ko#####bmwlrwovjssj.nf
  • DNS ASK cl######dkxmhbcjfmyugaw.ms
  • DNS ASK tj######lxwkpbfgsiobrqjo.la
  • DNS ASK vh####ucpwmoc.sh
  • DNS ASK lq###knghwfb.cc
  • DNS ASK sf######rqocfqkbtdxeiaj.cc
  • DNS ASK gx#####gbhfyisvsmmk.so
  • DNS ASK ol######lencshapoeoovmc.mu
  • DNS ASK uw####pdodeojq.mu
  • DNS ASK tu####jlxnbdrxl.jp
  • DNS ASK cn######ilkljumljaudxo.ki
  • DNS ASK so#######gsvqynsyssvuxxqp.cc
  • DNS ASK ky#####msptgowyfvw.ac
  • DNS ASK ye####dnncoky.nf
  • DNS ASK ob####wvexywvtlk.tj
  • DNS ASK ex####lvdwlqysu.sh
  • DNS ASK eo###wvipxr.la
  • DNS ASK ta######jvinxdapeusxbibl.sc
  • DNS ASK ut#####hyueahotgbk.ac
  • DNS ASK xy####irjyyntwa.cc
  • DNS ASK mh######dglrtogphucbbxnn.nf
  • DNS ASK ne####anwmaxu.ki
  • DNS ASK at#####atdfiddtlh.cm
  • DNS ASK id###jtpnbmt.nu
  • DNS ASK vh###oesvdqd.im
  • DNS ASK lw######sqjmaomgbrkghnpb.ac
  • DNS ASK cl#####npyvamllgnu.ki
  • DNS ASK jw#######qkkdnvyfonysbbhj.jp
  • DNS ASK vj###eokpw.nu
  • DNS ASK nw#####ovgqkqhudko.mu
  • DNS ASK ys######blaproylthkiai.nf
  • DNS ASK ko######ljicrlokcpdid.sc
  • DNS ASK wl###xuctubi.tj
  • DNS ASK ro#####anlhdyracmxi.im
  • DNS ASK rm######gnooqeqjajqgve.nu
  • DNS ASK en######krlsfsqpjrfrd.cx
  • DNS ASK np####benqndacux.so
  • DNS ASK ea####xuemgdqpyp.tj
  • DNS ASK lp#####evfawnhyjn.tw
  • DNS ASK ji#####xpnvlmlxuqjac.nf
  • DNS ASK ix######kvfjytfadqgev.so
  • DNS ASK gg###lsvcdog.sh
  • DNS ASK gf######bdkorurbqmygjwe.so
  • DNS ASK iw#####ppyiafoote.so
  • DNS ASK ol######yemvecweilbyky.ac
  • DNS ASK ja######ggbtskryabkcx.ms
  • DNS ASK ug###sospxij.in
  • DNS ASK ji####hpaqgyn.com
  • DNS ASK fa###ook.com
  • DNS ASK as####pqbawoylp.com
  • DNS ASK wx####iofpfs.com
  • DNS ASK microsoft.com
  • DNS ASK dk###grggt.com
  • DNS ASK ur###rdkwkj.com
  • DNS ASK wx#####idqhgvlndaxe.ac
  • DNS ASK gu####lmxlvwn.sh
  • DNS ASK rw#####uilkkvofanb.nf
  • DNS ASK rg###kbbhvcc.so
  • DNS ASK pp####xsdyerhf.com
  • DNS ASK we####lcdbezsg.com
  • DNS ASK cr###bhnhzg.com
  • DNS ASK da####nmbtesug.so
  • DNS ASK jj#####vivlwfjsklt.mn
  • DNS ASK hg####phbwfops.nu
  • DNS ASK bv#####vjexpltqtito.ms
  • DNS ASK sl######pqjlaehpkfalw.ac
  • DNS ASK bw#####thndyeboio.nf
  • DNS ASK wg#####wqokxkcffkx.cx
  • DNS ASK ud#####nwofvnvtgado.mn
  • DNS ASK yf######ndcikpvyvxwlb.jp
  • DNS ASK lv###igxitpy.nu
  • DNS ASK kw###kepbb.nf
  • DNS ASK nm#####sllqeonfds.ac
  • DNS ASK iq#####twihoglxlesp.cm
  • DNS ASK ep###ocopr.cc
  • DNS ASK vk#####qitdyyhunq.ki
  • DNS ASK ou#####xgatrboqjoxpu.tj
  • DNS ASK rk####hoaooypbu.tj
  • DNS ASK hc####dooylncrr.tj
  • DNS ASK tj#####qevjsessrfb.ac
  • DNS ASK if######qwlrgnjbxmlbnlca.so
  • DNS ASK ik####dwvwjhwd.ac
  • DNS ASK ks####ufulnije.ac
  • DNS ASK bq####xyuihnjiex.ms
  • DNS ASK tt####feamjvkuh.ki
  • DNS ASK lm####nfbvcnk.ac
  • DNS ASK pq###jvfgwcv.sc
  • DNS ASK yj#####qwpuablrxnf.la
  • DNS ASK de###qbsmc.tj

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