Analysis

  • max time kernel
    99s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/10/2026, 17:06

Errors

Reason
Machine shutdown

General

  • Target
    Marmoset Toolbag 5.03 (5032) Win/toolbag_install_503.exe
  • Size 273.8MB
  • Sample261022-vmlt3aag84
  • SHA256 9d2d1a2afac267c4250b5fcb49a4d174b9f313884f079823e2d838b4a56172f9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Marmoset Toolbag 5.03 (5032) Win\toolbag_install_503.exe
    "C:\Users\Admin\AppData\Local\Temp\Marmoset Toolbag 5.03 (5032) Win\toolbag_install_503.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Program Files\Marmoset\Toolbag 5\vcredist_x64.exe
      "C:\Program Files\Marmoset\Toolbag 5\vcredist_x64.exe" /q /norestart
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2248
      • C:\Windows\Temp\{D4A5DEBC-CF0C-4A25-B168-04B9DDF78725}\.cr\vcredist_x64.exe
        "C:\Windows\Temp\{D4A5DEBC-CF0C-4A25-B168-04B9DDF78725}\.cr\vcredist_x64.exe" -burn.clean.room="C:\Program Files\Marmoset\Toolbag 5\vcredist_x64.exe" -burn.filehandle.attached=544 -burn.filehandle.self=548 /q /norestart
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2996
        • C:\Windows\Temp\{4368603F-4B80-4B57-946C-7D1F00197DAD}\.be\VC_redist.x64.exe
          "C:\Windows\Temp\{4368603F-4B80-4B57-946C-7D1F00197DAD}\.be\VC_redist.x64.exe" -q -burn.elevated BurnPipe.{898BCE60-4C25-4785-AAB5-CE5213657D9D} {C2749661-E3AF-4245-9CED-FE62971F05F5} 2996
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4108
    • C:\Program Files\Marmoset\Toolbag 5\vcredist_x64.exe
      "C:\Program Files\Marmoset\Toolbag 5\vcredist_x64.exe" /repair /q /norestart
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3904
      • C:\Windows\Temp\{78D9B835-541E-4E61-84E4-86CBF6AD667A}\.cr\vcredist_x64.exe
        "C:\Windows\Temp\{78D9B835-541E-4E61-84E4-86CBF6AD667A}\.cr\vcredist_x64.exe" -burn.clean.room="C:\Program Files\Marmoset\Toolbag 5\vcredist_x64.exe" -burn.filehandle.attached=540 -burn.filehandle.self=548 /repair /q /norestart
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:772
        • C:\Windows\Temp\{EDE8ACE1-476C-4667-A266-3E1A2BD12D94}\.be\VC_redist.x64.exe
          "C:\Windows\Temp\{EDE8ACE1-476C-4667-A266-3E1A2BD12D94}\.be\VC_redist.x64.exe" -q -burn.elevated BurnPipe.{29F7B466-21FE-42CD-B44B-790FC01A2D0A} {A5B1F5DB-F201-4F5C-B621-757F504D0C5E} 772
          4⤵
          • Adds Run key to start application
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          PID:4704
    • C:\Program Files\Marmoset\Toolbag 5\viewer_install.exe
      "C:\Program Files\Marmoset\Toolbag 5\viewer_install.exe" /S
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:964
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1628
  • C:\Windows\system32\srtasks.exe
    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4772
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39a6855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2268

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        inputrecorderrecord_2x.tga

        • Path C:\Program Files\Marmoset\Toolbag 5\data\gui\control\inputrecorderrecord_2x.tga
        • Size 4KB
        • SHA256 9b563c2d4a9cbe749d49f7db925889e7e6338604927cb718f4542a92a9c4f40b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        textboxframe_2x.tga

        • Path C:\Program Files\Marmoset\Toolbag 5\data\gui\control\textboxframe_2x.tga
        • Size 4KB
        • SHA256 136a86fd1273603c2c90735735a2a6df29c17268d6f620bd163970d8b1cd3d55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        windowrowbg.tga

        • Path C:\Program Files\Marmoset\Toolbag 5\data\gui\control\windowrowbg.tga
        • Size 60B
        • SHA256 91988312da4b5a8e22423fec7411f0e7f2ff75229274f3654eb3cbd1ce9c1ebf
        • MD5 SHA1 SHA512 TLSH

        layerrenderpreview.vert

        • Path C:\Program Files\Marmoset\Toolbag 5\data\shader\paint\layer\layerrenderpreview.vert
        • Size 348B
        • SHA256 e49de0bd748ab9f2317a0e34eca06b5169ed7b8669a389bf976d8f838fb14d87
        • MD5 SHA1 SHA512 TLSH

        toolbag.exe

        • Path C:\Program Files\Marmoset\Toolbag 5\toolbag.exe
        • Size 26.9MB
        • SHA256 beb32e5d4799cbb906235e51ae229a14f638a6b658980394aa207ed05f80e158
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x64.exe

        • Path C:\Program Files\Marmoset\Toolbag 5\vcredist_x64.exe
        • Size 24.2MB
        • SHA256 3642e3f95d50cc193e4b5a0b0ffbf7fe2c08801517758b4c8aeb7105a091208a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        viewer_install.exe

        • Path C:\Program Files\Marmoset\Toolbag 5\viewer_install.exe
        • Size 35.5MB
        • SHA256 a1a1c2fa7a2ef869ab01d0bdc84e47631caf180af7ebcd5b3262874781e7790c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StdUtils.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6AF6.tmp\StdUtils.dll
        • Size 101KB
        • SHA256 72d38ef115e71fc73dc5978987c583fc8c6b50ff12e4a5d30649a4d164a8b6ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6AF6.tmp\System.dll
        • Size 11KB
        • SHA256 bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WinShell.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6AF6.tmp\WinShell.dll
        • Size 3KB
        • SHA256 9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6
        • MD5 SHA1 SHA512 TLSH

        nsProcess.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6AF6.tmp\nsProcess.dll
        • Size 4KB
        • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsis7z.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsl6AF6.tmp\nsis7z.dll
        • Size 391KB
        • SHA256 66ac8bd1f273a73e17a3f31d6add739d3cb0330a6417faeda11a9cae00b62d8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        logo.png

        • Path C:\Windows\Temp\{4368603F-4B80-4B57-946C-7D1F00197DAD}\.ba\logo.png
        • Size 1KB
        • SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
        • MD5 SHA1 SHA512 TLSH

        wixstdba.dll

        • Path C:\Windows\Temp\{4368603F-4B80-4B57-946C-7D1F00197DAD}\.ba\wixstdba.dll
        • Size 191KB
        • SHA256 a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x64.exe

        • Path C:\Windows\Temp\{D4A5DEBC-CF0C-4A25-B168-04B9DDF78725}\.cr\vcredist_x64.exe
        • Size 635KB
        • SHA256 8cd998a0318f07a27f78b75edb19479f44273590e300629eff237d47643c496c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BootstrapperApplicationData.xml

        • Path C:\Windows\Temp\{EDE8ACE1-476C-4667-A266-3E1A2BD12D94}\.ba\BootstrapperApplicationData.xml
        • Size 14KB
        • SHA256 425abb40bf4d19bd3dde338dd84d92291627add00c6a362fbb2332ad82c5e411
        • MD5 SHA1 SHA512 SSDEEP TLSH

        license.rtf

        • Path C:\Windows\Temp\{EDE8ACE1-476C-4667-A266-3E1A2BD12D94}\.ba\license.rtf
        • Size 9KB
        • SHA256 8099dc3cf9502c335da829e5c755948a12e3e6de490eb492a99deb673d883d8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        thm.wxl

        • Path C:\Windows\Temp\{EDE8ACE1-476C-4667-A266-3E1A2BD12D94}\.ba\thm.wxl
        • Size 2KB
        • SHA256 70400f181d00e1769774ff36bcd8b1ab5fbc431418067d31b876d18cc04ef4ce
        • MD5 SHA1 SHA512 TLSH

        thm.xml

        • Path C:\Windows\Temp\{EDE8ACE1-476C-4667-A266-3E1A2BD12D94}\.ba\thm.xml
        • Size 8KB
        • SHA256 f13bae0ec08c91b4a315bb2d86ee48fade597e7a5440dce6f751f98a3a4d6916
        • MD5 SHA1 SHA512 SSDEEP TLSH