Overview

overview

6

Static

static

3

processlas...64.exe

windows10-2004-x64

4

processlas...64.exe

windows11-ltsc_2024-x64

6

$PLUGINSDIR/INetC.dll

windows10-2004-x64

3

$PLUGINSDIR/INetC.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...LL.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

CPUEater.exe

windows10-2004-x64

1

CPUEater.exe

windows11-ltsc_2024-x64

1

Insights.exe

windows10-2004-x64

1

Insights.exe

windows11-ltsc_2024-x64

1

InstallHelper.exe

windows10-2004-x64

1

InstallHelper.exe

windows11-ltsc_2024-x64

1

LogViewer.exe

windows10-2004-x64

1

LogViewer.exe

windows11-ltsc_2024-x64

1

ProcessGovernor.exe

windows10-2004-x64

1

ProcessGovernor.exe

windows11-ltsc_2024-x64

1

ProcessLasso.exe

windows10-2004-x64

1

ProcessLasso.exe

windows11-ltsc_2024-x64

1

ProcessLas...er.exe

windows10-2004-x64

5

ProcessLas...er.exe

windows11-ltsc_2024-x64

6

QuickUpgrade.exe

windows10-2004-x64

4

QuickUpgrade.exe

windows11-ltsc_2024-x64

6

ThreadRacer.exe

windows10-2004-x64

1

ThreadRacer.exe

windows11-ltsc_2024-x64

6

TweakScheduler.exe

windows10-2004-x64

1

TweakScheduler.exe

windows11-ltsc_2024-x64

1

bitsumsess...nt.exe

windows10-2004-x64

1

bitsumsess...nt.exe

windows11-ltsc_2024-x64

1

pl-update.cmd

windows10-2004-x64

1

pl-update.cmd

windows11-ltsc_2024-x64

1

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/07/2026, 16:26

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General

  • Target
    processlassosetup64.exe
  • Size 2.7MB
  • Sample260704-txrbvsdw9k
  • SHA256 2c06cc42de55794d876c6981b8b91d9d2884ab7cd35cf00ba38ef525f51f1833
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 38 IoCs
  • Executes dropped EXE 17 IoCs
  • Loads dropped DLL 18 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 26 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 5 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\processlassosetup64.exe
    "C:\Users\Admin\AppData\Local\Temp\processlassosetup64.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6132
    • C:\Program Files\Process Lasso\installhelper.exe
      "C:\Program Files\Process Lasso\installhelper.exe" /terminate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5828
    • C:\Program Files\Process Lasso\installHelper.exe
      "C:\Program Files\Process Lasso\installHelper.exe" /firstinstall
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:5368
    • C:\Program Files\Process Lasso\installHelper.exe
      "C:\Program Files\Process Lasso\installHelper.exe" /migrate
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:5680
    • C:\Program Files\Process Lasso\InstallHelper.exe
      "C:\Program Files\Process Lasso\InstallHelper.exe" /powerinstall
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Program Files\Process Lasso\InstallHelper.exe
      "C:\Program Files\Process Lasso\InstallHelper.exe" /install
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:3932
    • C:\Program Files\Process Lasso\InstallHelper.exe
      "C:\Program Files\Process Lasso\InstallHelper.exe" /env_path_install
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:1208
    • C:\Program Files\Process Lasso\InstallHelper.exe
      "C:\Program Files\Process Lasso\InstallHelper.exe" /enable_update_check
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:6044
    • C:\Program Files\Process Lasso\installHelper.exe
      "C:\Program Files\Process Lasso\installHelper.exe" /initconfig
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:5272
    • C:\Program Files\Process Lasso\installHelper.exe
      "C:\Program Files\Process Lasso\installHelper.exe" /startgovernorservice
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:5820
    • C:\Program Files\Process Lasso\installhelper.exe
      "C:\Program Files\Process Lasso\installhelper.exe" /langcheck
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:256
    • C:\Program Files\Process Lasso\processlasso.exe
      "C:\Program Files\Process Lasso\processlasso.exe" /install /nodelay /showwindow
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      PID:1132
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    PID:5208
  • C:\Program Files\Process Lasso\srvstub.exe
    "C:\Program Files\Process Lasso\srvstub.exe" "C:\Program Files\Process Lasso\processgovernor.exe" "ProcessGovernor" /exitevent:Global\ProcessGovernorExitEvent
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5056
  • C:\Program Files\Process Lasso\ProcessLasso.exe
    "C:\Program Files\Process Lasso\processlasso.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2612
  • C:\Program Files\Process Lasso\srvstub.exe
    "C:\Program Files\Process Lasso\srvstub.exe" "C:\Program Files\Process Lasso\processgovernor.exe" "ProcessGovernor" /exitevent:Global\ProcessGovernorExitEvent
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:404
    • C:\Program Files\Process Lasso\processgovernor.exe
      "C:\Program Files\Process Lasso\processgovernor.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1288
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe" ----------------------------------------------------------------
    1⤵
    • Executes dropped EXE
    PID:5760
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1004
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4648
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:952

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        InstallHelper.exe
        • Path C:\Program Files\Process Lasso\InstallHelper.exe
        • Size 858KB
        • SHA256 2383b58537b3677232e2801e05ccb9ee80c1200dedc3181a2a49546bba073b7a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ProcessGovernor.exe
        • Path C:\Program Files\Process Lasso\ProcessGovernor.exe
        • Size 1.3MB
        • SHA256 d2ce55038814ca164cbda2c3e22bc7ddd6cab62b1ebb642da7370d3e78092f06
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ProcessLasso.exe
        • Path C:\Program Files\Process Lasso\ProcessLasso.exe
        • Size 2.4MB
        • SHA256 bae42c6ba451adc2c206072d254416391f66429088da56b24cdcaa88f0ff2752
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ProcessLassoLauncher.exe
        • Path C:\Program Files\Process Lasso\ProcessLassoLauncher.exe
        • Size 399KB
        • SHA256 01101dbecda934a17ba9d429bda835ccf1e4466a6155d079756d9ef263b4b68e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bitsumsessionagent.exe
        • Path C:\Program Files\Process Lasso\bitsumsessionagent.exe
        • Size 180KB
        • SHA256 ce0d1360254dc72b49830fcdf118569b8d5e65b52758250f50222978d607a221
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pl_rsrc_english.dll
        • Path C:\Program Files\Process Lasso\pl_rsrc_english.dll
        • Size 1.9MB
        • SHA256 0174583791ccf52232dfc78a415f4b0b24aafe05efb6b391eab62ba44d7aec1a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        srvstub.exe
        • Path C:\Program Files\Process Lasso\srvstub.exe
        • Size 131KB
        • SHA256 11b550bf139936e863fd03d166e9e12a114ff75838b7ca6faa70416d65da4690
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        prolasso.ini
        • Path C:\ProgramData\ProcessLasso\config\prolasso.ini
        • Size 9KB
        • SHA256 0aa3edd9331c48df21ad337f5bf845e0ca1e5f050fcb851fa0307cc72cc62055
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        processlasso.log
        • Path C:\ProgramData\ProcessLasso\logs\processlasso.log
        • Size 1KB
        • SHA256 1f90c0fa5159800e54070922f6934ced69083398f04d321b8429df4c8722ed24
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        processlasso.log
        • Path C:\ProgramData\ProcessLasso\logs\processlasso.log
        • Size 1KB
        • SHA256 4c007f686e23a17b486ee0c6b51598e0903be3591a14229c415d47fef8f759bd
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        processlasso.log
        • Path C:\ProgramData\ProcessLasso\logs\processlasso.log
        • Size 2KB
        • SHA256 ed178ffca4d7d893c9630e75a326eee83e62984353e6c169d6623d442bc5680b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        LangDLL.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nskE9E0.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nskE9E0.tmp\System.dll
        • Size 12KB
        • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Process Lasso.lnk
        • Path C:\Users\Public\Desktop\Process Lasso.lnk
        • Size 1KB
        • SHA256 6943e812f39d0a5416033c8227531058060ff6c27d9453666ad3746db27c3023
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/952-329-0x000002E279000000-0x000002E27929E000-memory.dmp
        Download

        memory/4648-125-0x0000026D001E0000-0x0000026D002E0000-memory.dmp
        Download

        memory/4648-132-0x0000026D01E20000-0x0000026D01F20000-memory.dmp
        Download

        memory/4648-131-0x0000026D01A20000-0x0000026D01A40000-memory.dmp
        Download

        memory/4648-142-0x0000026D01C60000-0x0000026D01C80000-memory.dmp
        Download

        memory/4648-328-0x0000026D16CD0000-0x0000026D16F6E000-memory.dmp
        Download

        memory/4648-177-0x0000026D14140000-0x0000026D14160000-memory.dmp
        Download