Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/05/2026, 16:58

General

  • Target
    Winlocker_323688293_protected.exe
  • Size 2.4MB
  • Sample260506-vg366aey6v
  • SHA256 8404231ecc32ae5d0e1eaea163e1c9dbcac96c8f1f662b3153160af5284dfadf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Winlocker_323688293_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\Winlocker_323688293_protected.exe"
    1⤵
    • Disables RegEdit via registry modification
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1044
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /query /tn "resolver"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /query /tn "resolver"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2432
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /f /sc onlogon /delay 0000:00 /tn "resolverC:\Users\Admin\AppData\Local\Temp\Winlocker_323688293_protected.exe" /IT /RL HIGHEST
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6120
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /delay 0000:00 /tn "resolverC:\Users\Admin\AppData\Local\Temp\Winlocker_323688293_protected.exe" /IT /RL HIGHEST
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\DefenderExclusion_ea9c0877-15fa-4d2e-baea-6f60f532d317.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4308

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DefenderExclusion_ea9c0877-15fa-4d2e-baea-6f60f532d317.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\DefenderExclusion_ea9c0877-15fa-4d2e-baea-6f60f532d317.ps1
        • Size 514B
        • SHA256 5721e41bbebc6588a014aadfb2710ba8033ec1a2502cd3f5afee042a168aa8a6
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_h1xczn3t.yjz.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h1xczn3t.yjz.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/1044-1-0x00000000059B0000-0x0000000005F56000-memory.dmp

        memory/1044-2-0x0000000005400000-0x0000000005492000-memory.dmp

        memory/1044-3-0x0000000005640000-0x0000000005650000-memory.dmp

        memory/1044-4-0x0000000005390000-0x000000000539A000-memory.dmp

        memory/1044-5-0x0000000005640000-0x0000000005650000-memory.dmp

        memory/1044-49-0x0000000005640000-0x0000000005650000-memory.dmp

        memory/1044-48-0x0000000005640000-0x0000000005650000-memory.dmp

        memory/1044-0-0x0000000000660000-0x00000000008C8000-memory.dmp

        memory/4308-24-0x0000000007320000-0x0000000007354000-memory.dmp

        memory/4308-35-0x0000000007740000-0x000000000775A000-memory.dmp

        memory/4308-13-0x0000000005CE0000-0x0000000005D46000-memory.dmp

        memory/4308-11-0x0000000005380000-0x00000000053A2000-memory.dmp

        memory/4308-20-0x0000000005E10000-0x0000000006167000-memory.dmp

        memory/4308-21-0x0000000006350000-0x000000000636E000-memory.dmp

        memory/4308-22-0x00000000063A0000-0x00000000063EC000-memory.dmp

        memory/4308-10-0x00000000054D0000-0x0000000005AFA000-memory.dmp

        memory/4308-9-0x0000000004E90000-0x0000000004EA0000-memory.dmp

        memory/4308-25-0x0000000070300000-0x000000007034C000-memory.dmp

        memory/4308-32-0x0000000006950000-0x000000000696E000-memory.dmp

        memory/4308-33-0x0000000007610000-0x00000000076B4000-memory.dmp

        memory/4308-34-0x0000000007D80000-0x00000000083FA000-memory.dmp

        memory/4308-12-0x0000000005C70000-0x0000000005CD6000-memory.dmp

        memory/4308-36-0x00000000077C0000-0x00000000077CA000-memory.dmp

        memory/4308-37-0x00000000079D0000-0x0000000007A66000-memory.dmp

        memory/4308-38-0x0000000007940000-0x0000000007951000-memory.dmp

        memory/4308-39-0x0000000007970000-0x000000000797E000-memory.dmp

        memory/4308-40-0x0000000007980000-0x0000000007995000-memory.dmp

        memory/4308-41-0x0000000007A70000-0x0000000007A8A000-memory.dmp

        memory/4308-42-0x0000000007A90000-0x0000000007A98000-memory.dmp

        memory/4308-45-0x0000000004D30000-0x0000000004D49000-memory.dmp

        memory/4308-47-0x0000000006190000-0x00000000061A8000-memory.dmp

        memory/4308-46-0x00000000053B0000-0x000000000549A000-memory.dmp

        memory/4308-8-0x0000000004D70000-0x0000000004DA6000-memory.dmp

        memory/4308-7-0x0000000004E90000-0x0000000004EA0000-memory.dmp