Analysis

  • max time kernel
    28s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/04/2026, 07:47

General

  • Target
    Toolscreen.jar
  • Size 7.7MB
  • Sample260425-jmx2jsbt9v
  • SHA256 d99e5982c335acb1e894444fe60f501618ab2b4c0d0f5f26b43de08600361b06
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\Toolscreen.jar
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3240
    • C:\Windows\System32\reg.exe
      C:\Windows\System32\reg.exe query HKLM\SYSTEM\CurrentControlSet\Control\CI\Policy /v VerifiedAndReputablePolicyState
      2⤵
      • Modifies registry key
      PID:4824
    • C:\Windows\System32\reg.exe
      C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths"
      2⤵
        PID:5568
      • C:\Windows\System32\reg.exe
        C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:64
        2⤵
          PID:1732
        • C:\Windows\System32\reg.exe
          C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:32
          2⤵
            PID:5948
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "try { (Get-MpPreference).ExclusionPath | ForEach-Object { $_ } } catch { exit 1 }"
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3916
          • C:\Windows\System32\reg.exe
            C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths"
            2⤵
              PID:1088
            • C:\Windows\System32\reg.exe
              C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:64
              2⤵
                PID:5584
              • C:\Windows\System32\reg.exe
                C:\Windows\System32\reg.exe query "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /reg:32
                2⤵
                  PID:1156
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "try { (Get-MpPreference).ExclusionPath | ForEach-Object { $_ } } catch { exit 1 }"
                  2⤵
                  • Command and Scripting Interpreter: PowerShell
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:4604

              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 4KB
                    • SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    StartupProfileData-NonInteractive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                    • Size 1KB
                    • SHA256 f66dcfa4d243b9575b66da1fe2c62d2c8e2c4f154a127577be26a96b157180aa
                    • MD5 SHA1 SHA512 TLSH

                    __PSScriptPolicyTest_05afo3gh.epy.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_05afo3gh.epy.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512 TLSH

                    memory/3240-11-0x00000207E53E0000-0x00000207E53E1000-memory.dmp

                    memory/3240-170-0x0000020780CA0000-0x000002078144E000-memory.dmp

                    memory/3240-169-0x00000207E6C70000-0x00000207E6EE0000-memory.dmp

                    memory/3240-116-0x00000207E53E0000-0x00000207E53E1000-memory.dmp

                    memory/3240-109-0x00000207E53E0000-0x00000207E53E1000-memory.dmp

                    memory/3240-2-0x00000207E6C70000-0x00000207E6EE0000-memory.dmp

                    memory/3240-85-0x00000207E53E0000-0x00000207E53E1000-memory.dmp

                    memory/3240-84-0x00000207E53E0000-0x00000207E53E1000-memory.dmp

                    memory/3240-65-0x00000207E53E0000-0x00000207E53E1000-memory.dmp

                    memory/3916-30-0x00000270AA060000-0x00000270AA113000-memory.dmp

                    memory/3916-32-0x00000270AA3A0000-0x00000270AA3BC000-memory.dmp

                    memory/3916-38-0x00000270AA3D0000-0x00000270AA3DA000-memory.dmp

                    memory/3916-42-0x00000270912F0000-0x0000027091302000-memory.dmp

                    memory/3916-41-0x00000270A9460000-0x00000270A9C0E000-memory.dmp

                    memory/3916-36-0x00000270AA390000-0x00000270AA398000-memory.dmp

                    memory/3916-35-0x00000270AA3E0000-0x00000270AA3FA000-memory.dmp

                    memory/3916-14-0x00000270912E0000-0x00000270912F0000-memory.dmp

                    memory/3916-15-0x00000270912E0000-0x00000270912F0000-memory.dmp

                    memory/3916-34-0x00000270AA380000-0x00000270AA38A000-memory.dmp

                    memory/3916-37-0x00000270AA3C0000-0x00000270AA3C6000-memory.dmp

                    memory/3916-31-0x00000270AA030000-0x00000270AA03A000-memory.dmp

                    memory/3916-29-0x00000270AA040000-0x00000270AA05C000-memory.dmp

                    memory/3916-16-0x00000270A9DB0000-0x00000270A9DD2000-memory.dmp

                    memory/4604-59-0x000002B4CDD00000-0x000002B4CE4AE000-memory.dmp

                    memory/4604-60-0x000002B4B5BB0000-0x000002B4B5BC2000-memory.dmp