Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260630-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 11:20

General

  • Target
    Java-Updater.exe
  • Size 11.3MB
  • Sample260701-nfskpscv5m
  • SHA256 62f21b040ad1c72ca348d1a26ceb70ff22893a0e863d3b15812d63916e39ac99
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 21 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detects Pyinstaller 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Java-Updater.exe
    "C:\Users\Admin\AppData\Local\Temp\Java-Updater.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5228
    • C:\Users\Admin\AppData\Local\Temp\Java-Updater.exe
      "C:\Users\Admin\AppData\Local\Temp\Java-Updater.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5184
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Get-MpPreference | Select-Object -ExpandProperty ExclusionPath""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Get-MpPreference | Select-Object -ExpandProperty ExclusionPath"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5524
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:6000
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5416
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Java-Updater.exe'""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5796
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Java-Updater.exe'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5288
      • C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
        C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5312
        • C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
          C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:472
  • C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
    C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
      C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1112

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 ca81aed6d41a228db41e9b0093ef306a01ab164608401db38056e1094724d927
        • MD5 SHA1 SHA512 TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\_bz2.pyd
        • Size 85KB
        • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\_ctypes.pyd
        • Size 139KB
        • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\_lzma.pyd
        • Size 157KB
        • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\_zstd.pyd
        • Size 491KB
        • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\base_library.zip
        • Size 1.3MB
        • SHA256 388b6083b42187135d641971f410ebfbc9c50c7a4d25c1b887e7be8395b068a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI52282\python314.dll
        • Size 6.5MB
        • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_aquwv03g.xv0.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aquwv03g.xv0.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        Java-Helper.exe

        • Path C:\Users\Admin\AppData\Roaming\JavaRuntime\Java-Helper.exe
        • Size 11.3MB
        • SHA256 62f21b040ad1c72ca348d1a26ceb70ff22893a0e863d3b15812d63916e39ac99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5524-36-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-39-0x00000293F6410000-0x00000293F6432000-memory.dmp

        memory/5524-40-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-41-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-42-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-45-0x00000293F64E0000-0x00000293F64FE000-memory.dmp

        memory/5524-46-0x00000293F6780000-0x00000293F6832000-memory.dmp

        memory/5524-47-0x00000293F64D0000-0x00000293F64DA000-memory.dmp

        memory/5524-49-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-35-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-34-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-33-0x00007FF8723E0000-0x00007FF872D84000-memory.dmp

        memory/5524-32-0x00007FF87256F000-0x00007FF872570000-memory.dmp