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

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
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 18 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 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:4168
    • 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:4908
    • 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:2020
    • 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:3812
    • 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:4396
    • 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:1404
    • 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:4092
    • 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:1812
    • 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:4984
    • 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:5064
    • 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:552
    • 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:952
  • 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:3508
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    PID:1260
  • 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:1324
  • 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:4308
    • 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:4136
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe" ----------------------------------------------------------------
    1⤵
    • Executes dropped EXE
    PID:2288
  • C:\Program Files\Process Lasso\bitsumsessionagent.exe
    "C:\Program Files\Process Lasso\bitsumsessionagent.exe" ----------------------------------------------------------------
    1⤵
    • Executes dropped EXE
    PID:3840

Network

        MITRE ATT&CK Enterprise v16

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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 9e61c4f23a3f0a03ec10297df51061ca0fc9f4585026811ebba86a3846d459a3
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        LangDLL.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsv2BB1.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsv2BB1.tmp\System.dll
        • Size 12KB
        • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download