Overview

overview

6

Static

static

3

processlas...64.exe

windows10-2004-x64

4

processlas...64.exe

windows11-21h2-x64

4

$PLUGINSDIR/INetC.dll

windows10-2004-x64

3

$PLUGINSDIR/INetC.dll

windows11-21h2-x64

3

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...LL.dll

windows11-21h2-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-21h2-x64

3

CPUEater.exe

windows10-2004-x64

1

CPUEater.exe

windows11-21h2-x64

1

Insights.exe

windows10-2004-x64

1

Insights.exe

windows11-21h2-x64

1

InstallHelper.exe

windows10-2004-x64

1

InstallHelper.exe

windows11-21h2-x64

1

LogViewer.exe

windows10-2004-x64

1

LogViewer.exe

windows11-21h2-x64

1

ProcessGovernor.exe

windows10-2004-x64

1

ProcessGovernor.exe

windows11-21h2-x64

1

ProcessLasso.exe

windows10-2004-x64

1

ProcessLasso.exe

windows11-21h2-x64

1

ProcessLas...er.exe

windows10-2004-x64

5

ProcessLas...er.exe

windows11-21h2-x64

3

QuickUpgrade.exe

windows10-2004-x64

6

QuickUpgrade.exe

windows11-21h2-x64

4

ThreadRacer.exe

windows10-2004-x64

1

ThreadRacer.exe

windows11-21h2-x64

1

TweakScheduler.exe

windows10-2004-x64

1

TweakScheduler.exe

windows11-21h2-x64

1

bitsumsess...nt.exe

windows10-2004-x64

1

bitsumsess...nt.exe

windows11-21h2-x64

1

pl-update.cmd

windows10-2004-x64

1

pl-update.cmd

windows11-21h2-x64

1

Analysis

  • user interaction
    yes
  • max time kernel
    209s
  • max time network
    206s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 17:29

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General

  • Target
    processlassosetup64.exe
  • Size 2.7MB
  • Sample260420-v2verac13x
  • SHA256 d9216e1491aa130a3595a688da9a5ffaca67a3bb7609cb069e86e000baba041b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10
discoverypersistence

Malware Config

Signatures

  • 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 19 IoCs
  • Loads dropped DLL 20 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 processor information in registry 2 TTPs 26 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 12 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

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:2488
    • 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:6068
    • 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:5172
    • 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:5976
    • 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:1908
    • 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:5364
    • 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:5048
    • 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:4700
    • 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:2888
    • 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:2576
    • 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:3484
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5652
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    PID:4480
  • 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:1948
  • 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
    PID:804
  • 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
    • Suspicious use of WriteProcessMemory
    PID:8
    • 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:1452
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe" ----------------------------------------------------------------
    1⤵
    • Executes dropped EXE
    PID:5844
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe" ----------------------------------------------------------------
    1⤵
    • Executes dropped EXE
    PID:2232
  • C:\Program Files\Process Lasso\ProcessLassoLauncher.exe
    "C:\Program Files\Process Lasso\ProcessLassoLauncher.exe" /showwindow /nodelay
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2276

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        InstallHelper.exe
        • Path C:\Program Files\Process Lasso\InstallHelper.exe
        • Size 853KB
        • SHA256 956924ad0f7d61779025c3bd039dee339227f28eb5598f1fded039772decf8e0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ProcessGovernor.exe
        • Path C:\Program Files\Process Lasso\ProcessGovernor.exe
        • Size 1.3MB
        • SHA256 5cf88d196b5f600e0aa2bf32871446e60f48a80e6dae6629642fec4cb610b11a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ProcessLasso.exe
        • Path C:\Program Files\Process Lasso\ProcessLasso.exe
        • Size 2.3MB
        • SHA256 7a135a83c079c92c85a6ddb63425b2c0411958bc01a7b57593efe54ff14b92be
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ProcessLassoLauncher.exe
        • Path C:\Program Files\Process Lasso\ProcessLassoLauncher.exe
        • Size 400KB
        • SHA256 bbe930f95c4e71f0b581eeb5ef7396851f558a00f45eb4a5d01b352fdab80c10
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bitsumsessionagent.exe
        • Path C:\Program Files\Process Lasso\bitsumsessionagent.exe
        • Size 180KB
        • SHA256 8f6507c3bb877e85d15adb5ed62d10cac19d32a8e7960e2116a21a6f9f242c11
        • 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 d050dcbc16be8ed00242576cfcb13a9aca1212693da369a895c41d4b6ad92783
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        srvstub.exe
        • Path C:\Program Files\Process Lasso\srvstub.exe
        • Size 131KB
        • SHA256 b92dff43f36a25b29e32c9139def96429b69ef737f2249b20bda1fad78fc36ff
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        prolasso.ini
        • Path C:\ProgramData\ProcessLasso\config\prolasso.ini
        • Size 8KB
        • SHA256 aa9ba45be1d8d6da405099e6ea32cf02093f85bb24cdaebe5a0fc1e527d65062
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        processlasso.log
        • Path C:\ProgramData\ProcessLasso\logs\processlasso.log
        • Size 1KB
        • SHA256 36116df8773833b34c844f5709136d7c683afe2239fe393b6b2b6bc4f092b894
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        LangDLL.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsiF4B2.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsiF4B2.tmp\System.dll
        • Size 12KB
        • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/804-123-0x0000022BC96E0000-0x0000022BC96EC000-memory.dmp
        Download