Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 22:24

General

  • Target
    code.ps1
  • Size 13KB
  • Sample260822-2bl41szerc
  • SHA256 536063c9ca42859ec4e34c09d82e3978cb0dad25643a333aea536088a4894449
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Disables Task Manager via registry modification
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\WindowsPowerShell\v1.0\PowerShell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\code.ps1
    1⤵
    • Modifies WinLogon for persistence
    • Badlisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\hmiinz03\hmiinz03.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4536
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES863D.tmp" "c:\Users\Admin\AppData\Local\Temp\hmiinz03\CSCD7BB90C6848C4394ADDBC55655CA5E65.TMP"
        3⤵
          PID:3372
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1380
      • C:\Windows\system32\vssadmin.exe
        "C:\Windows\system32\vssadmin.exe" delete shadows /all /quiet
        2⤵
        • Interacts with shadow copies
        PID:3452
      • C:\Windows\System32\Wbem\WMIC.exe
        "C:\Windows\System32\Wbem\WMIC.exe" shadowcopy delete
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4380
      • C:\Windows\system32\mshta.exe
        "C:\Windows\system32\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\\darkside_lock.html"
        2⤵
          PID:3852
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:5808
        • C:\Windows\system32\userinit.exe
          C:\Windows\system32\userinit.exe
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:600
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -WindowStyle Hidden -NoProfile -ExecutionPolicy Bypass -Command "while($true){Start-Sleep -Seconds 1}"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            PID:1600

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              ModuleAnalysisCache

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
              • Size 67KB
              • SHA256 91b2176e162999356c0438d9fa66eb550c55dd4c1b44af5c9862634fa605257b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              RES863D.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES863D.tmp
              • Size 1KB
              • SHA256 074b5a607cf7e12c753f6f3cc3955c32c3a3cf23760420d6760fef42cf059c72
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_2iaosbov.n3n.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2iaosbov.n3n.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              darkside_lock.html

              • Path C:\Users\Admin\AppData\Local\Temp\darkside_lock.html
              • Size 4KB
              • SHA256 8805cce9f86cb6b01053c295490c99dca0fa56573adb8ccf85715ca8d2ad80fd
              • MD5 SHA1 SHA512 SSDEEP TLSH

              hmiinz03.dll

              • Path C:\Users\Admin\AppData\Local\Temp\hmiinz03\hmiinz03.dll
              • Size 3KB
              • SHA256 75ac8f497b76eec3c549eeef5d6889f0a769d88446347029b86af80064fbff87
              • MD5 SHA1 SHA512 TLSH

              CSCD7BB90C6848C4394ADDBC55655CA5E65.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\hmiinz03\CSCD7BB90C6848C4394ADDBC55655CA5E65.TMP
              • Size 652B
              • SHA256 63a9b0d93d41a4b5535106ed91c909ca86fa69e3dac55943bf8715228e2fa0ce
              • MD5 SHA1 SHA512 TLSH

              hmiinz03.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\hmiinz03\hmiinz03.0.cs
              • Size 170B
              • SHA256 55bb19b58f1e8cc33b461847e8079a910251e4e66e4ec6a22f4ec2bc1b308408
              • MD5 SHA1 SHA512 TLSH

              hmiinz03.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\hmiinz03\hmiinz03.cmdline
              • Size 369B
              • SHA256 60e4f7949a89a6815d0c75522af669f33016dcb136ffb7c5d324921b7c57bb27
              • MD5 SHA1 SHA512 TLSH

              memory/1380-55-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-91-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-58-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-59-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-39-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-46-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-45-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-44-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-43-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-42-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-41-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-93-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/1380-40-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-22-0x0000020A42F90000-0x0000020A42F98000-memory.dmp

              memory/3620-18-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-38-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-37-0x0000020A430D0000-0x0000020A430DA000-memory.dmp

              memory/3620-35-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-33-0x0000020A42FF0000-0x0000020A4300E000-memory.dmp

              memory/3620-34-0x0000020A43010000-0x0000020A430C2000-memory.dmp

              memory/3620-30-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-29-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-28-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-25-0x0000020A436E0000-0x0000020A438EA000-memory.dmp

              memory/3620-24-0x0000020A43350000-0x0000020A434C6000-memory.dmp

              memory/3620-23-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-36-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-0-0x00007FFB7C5AF000-0x00007FFB7C5B0000-memory.dmp

              memory/3620-8-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-60-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-61-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-81-0x0000020A44010000-0x0000020A441D2000-memory.dmp

              memory/3620-82-0x0000020A44710000-0x0000020A44C38000-memory.dmp

              memory/3620-7-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-6-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-89-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-90-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-5-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-92-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp

              memory/3620-3-0x0000020A2ABD0000-0x0000020A2ABF2000-memory.dmp

              memory/3620-4-0x00007FFB7C420000-0x00007FFB7CDC4000-memory.dmp