Overview

overview

8

Static

static

3

CorelLASER...02.exe

windows10-2004-x64

8

CorelLASER...02.exe

windows11-ltsc_2024-x64

8

CorelLASER...pk.dll

windows10-2004-x64

7

CorelLASER...pk.dll

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/08/2026, 18:16

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General

  • Target
    CorelLASER 2018.02/CorelLASER 2018.02.exe
  • Size 1.9MB
  • Sample260801-wwj79sek21
  • SHA256 7d9080ad05cd58933f0e47070d8f7c9a6321130ca4e30db8be699a5e5e64f58e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoveryinstaller

Malware Config

Signatures

  • Drops file in Drivers directory 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 System32 directory 26 IoCs
  • Drops file in Program Files directory 44 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

    installer
  • Checks SCSI registry key(s) 3 TTPs 42 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CorelLASER 2018.02\CorelLASER 2018.02.exe
    "C:\Users\Admin\AppData\Local\Temp\CorelLASER 2018.02\CorelLASER 2018.02.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1880
    • C:\Users\Admin\AppData\Local\Temp\is-S18O3.tmp\CorelLASER 2018.02.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-S18O3.tmp\CorelLASER 2018.02.tmp" /SL5="$701EC,1560094,124928,C:\Users\Admin\AppData\Local\Temp\CorelLASER 2018.02\CorelLASER 2018.02.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3392
      • C:\Program Files (x86)\3WCAD\CorelLASER\Drivers\DRVSETUP64\DRVSETUP64.exe
        "C:\Program Files (x86)\3WCAD\CorelLASER\Drivers\DRVSETUP64\DRVSETUP64.exe" /SETUP/S
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:1672
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch -p -s DeviceInstall
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{d0a72474-c53d-7a47-828b-3f568bc456a6}\CH341WDM.INF" "9" "44a87b5e3" "0000000000000134" "WinSta0\Default" "0000000000000158" "208" "C:\Program Files (x86)\3WCAD\CorelLASER\Drivers"
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:1648

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        CH341DLL.DLL
        • Path C:\PROGRA~2\3WCAD\CORELL~1\Drivers\CH341DLL.DLL
        • Size 30KB
        • SHA256 48e025e8d4d3320b273b3a2f029fb33a877ea94ee0a2a7943ee181209fc412a2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH341WDM.CAT
        • Path C:\PROGRA~2\3WCAD\CORELL~1\Drivers\CH341WDM.CAT
        • Size 8KB
        • SHA256 1d25c1a1b550e94789cd9a7e3fa01c11b3c7b75737d1c0be1ac08626c76111fb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CorelLASER.exe
        • Path C:\Program Files (x86)\3WCAD\CorelLASER\CorelLASER.exe
        • Size 238KB
        • SHA256 20c00305d4a572ede4bc6930155cc2ab15ce59aee088b661203c7343eddb34cc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH341WDM.INF
        • Path C:\Program Files (x86)\3WCAD\CorelLASER\Drivers\CH341WDM.INF
        • Size 5KB
        • SHA256 466d05703a3cd24c9a4c7e7329a46205543d342474d80384894fe7748d53556d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DRVSETUP64.exe
        • Path C:\Program Files (x86)\3WCAD\CorelLASER\Drivers\DRVSETUP64\DRVSETUP64.exe
        • Size 35KB
        • SHA256 380c1e87b28e5416b88a049d3667f52cf3862cc627fc41604b4b269a5bb99972
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DrvSetup.dll
        • Path C:\Users\Admin\AppData\Local\Temp\is-R0JNQ.tmp\DrvSetup.dll
        • Size 22KB
        • SHA256 00584c50f6887f79bf5e1f0c0876d995530377669f8b50b281dec7a5807ee58a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CorelLASER 2018.02.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-S18O3.tmp\CorelLASER 2018.02.tmp
        • Size 1.1MB
        • SHA256 a896720aa59c1a8a1766b34ccbace605603e8a8e28b7ddaa9ce2f609f5e8b0b7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CH341W64.SYS
        • Path C:\Users\Admin\AppData\Local\Temp\{d0a72474-c53d-7a47-828b-3f568bc456a6}\CH341W64.SYS
        • Size 30KB
        • SHA256 aed7640e2195f5a52e788844d38b08f906264d2e740bd362db76c241cbb27f7e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1880-218-0x0000000000400000-0x0000000000428000-memory.dmp
        Download

        memory/1880-17-0x0000000000400000-0x0000000000428000-memory.dmp
        Download

        memory/1880-0-0x0000000000400000-0x0000000000428000-memory.dmp
        Download

        memory/3392-18-0x0000000000400000-0x000000000052B000-memory.dmp
        Download

        memory/3392-25-0x0000000000400000-0x000000000052B000-memory.dmp
        Download

        memory/3392-26-0x00000000032E0000-0x00000000032EE000-memory.dmp
        Download

        memory/3392-22-0x0000000000400000-0x000000000052B000-memory.dmp
        Download

        memory/3392-19-0x00000000032E0000-0x00000000032EE000-memory.dmp
        Download

        memory/3392-20-0x0000000000840000-0x0000000000841000-memory.dmp
        Download

        memory/3392-216-0x00000000032E0000-0x00000000032EE000-memory.dmp
        Download

        memory/3392-215-0x0000000000400000-0x000000000052B000-memory.dmp
        Download

        memory/3392-217-0x0000000000400000-0x000000000052B000-memory.dmp
        Download

        memory/3392-6-0x0000000000840000-0x0000000000841000-memory.dmp
        Download