Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 06:39

General

  • Target
    MuseScore-Studio-4.7.4.260706075-x86_64.msi
  • Size 121.9MB
  • Sample260820-he3rds1epd
  • SHA256 64fe70e5cb9ffe159d047d1e88db567bd101f60d36b0de28feb674716929a378
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

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

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\MuseScore-Studio-4.7.4.260706075-x86_64.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1076
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 466CE709B424F217A585B6F5A31B813E C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3716
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3432
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:124
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3288

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            e5a02b2.rbs

            • Path C:\Config.Msi\e5a02b2.rbs
            • Size 546KB
            • SHA256 e14fb67d2dd6adbff8e846b66bd3c6ecc2f6add3af4edcb599558f231a636292
            • MD5 SHA1 SHA512 SSDEEP TLSH

            combobox-indicator-focused.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\combobox-indicator-focused.png
            • Size 120B
            • SHA256 dda8d0d5444670f0a82f7b7aabf1f771d94d0c418f15be75b120137758932c7a
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 167B
            • SHA256 6d584df93b6785277a090e3c2d46ebba057d262253dfcebbb81585a9f48658c1
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 177B
            • SHA256 340dfb8f5d90ee5d986eb4b3570a2b3481ca50048a1a5eb38144e13a598d9bc9
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 698B
            • SHA256 caf54e636473e19db45d86b01fb79142bf28e916030ec3b60272a14643313460
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 935B
            • SHA256 60f757e557455aef99ad54ae55c3e8d18347fdef0bdc5af176055e154e7b8f38
            • MD5 SHA1 SHA512 TLSH

            rangeslider-first-handle.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\rangeslider-first-handle.png
            • Size 493B
            • SHA256 4d5d16a9ef3db072309d531e11057076bfa7b03f4f47f6bd8a7d89d1fe0bd39b
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 1KB
            • SHA256 f38227a12d179e016f9b2696d3dc8ec4c6c96c275cfccbe839dd5ba0c51d9b26
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 875B
            • SHA256 6001207502a85ce95a405c9100e575994dab92e04fd28c1c66eefc69c52dc3ad
            • MD5 SHA1 SHA512 TLSH

            slider-handle-pressed.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\slider-handle-pressed.png
            • Size 442B
            • SHA256 e04fbcc696a2ea2a326a1b7bc57f25a0e1b33091e588889da5a9d7015c595022
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 683B
            • SHA256 349cb567bded99187024758d0cb9cda60b55227a4d7fe1763f7f41753f692d7c
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 1KB
            • SHA256 4c9186092eabc6788e704b074423e009cd3b80a8d5de0bb1ada6f7599f91bb9c
            • MD5 SHA1 SHA512 TLSH

            spinbox-background-up-pressed.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\spinbox-background-up-pressed.png
            • Size 317B
            • SHA256 237ff3516492b63b2ed41562ea6e3b983f277a2375f12d427a0a7769cec15043
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 92B
            • SHA256 4a812392a115a37694707507b84dc3c789fb3880c298cce2a7d31f1d837f601f
            • MD5 SHA1 SHA512 TLSH

            spinbox-indicator-down-background.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\spinbox-indicator-down-background.png
            • Size 83B
            • SHA256 8285acc7fe450d3a72eed1432566f7aa90af7ee33a154aa7402dc707018979b7
            • MD5 SHA1 SHA512 TLSH

            spinbox-indicator-down-icon-hovered.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\spinbox-indicator-down-icon-hovered.png
            • Size 118B
            • SHA256 33f189b55282b1a6d904fd2424cdc051fbd3af17b942899942fc6daf46280146
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 211B
            • SHA256 d712f165711bf5e0f265607705a4e83452c8fcbc59e106238663664f791f28e5
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 164B
            • SHA256 e2ee0ed4ccf6d0e468b02b83598f0487cc3167d508c6e08e6490b925d8305474
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 101B
            • SHA256 02530ad19a6a050f2813c5d801a9fe75c9b0fbf4508491c6abb1bbdb72b28734
            • MD5 SHA1 SHA512 TLSH

            spinbox-indicator-up-icon-down-pressed.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\spinbox-indicator-up-icon-down-pressed.png
            • Size 118B
            • SHA256 7109a067ad00c3cdd31365c76ea8e24264910fe9b1350a292fc00dd7d2b97e5b
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 210B
            • SHA256 f85b2a74823a54b1d904d44b638204ae78301a91eabacfc1dc7f07508c384057
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\dark\images\[email protected]
            • Size 150B
            • SHA256 50e45c5bc1f41a265ccdb7106571d751b4a875577d19c5409009fcdd0e82cfc1
            • MD5 SHA1 SHA512 TLSH

            combobox-indicator-disabled.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\combobox-indicator-disabled.png
            • Size 125B
            • SHA256 0941ec5da06f1cafe91004c1b035997609ab1eef1f39a9ac5f0bb558dd8f93eb
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 171B
            • SHA256 840b43337d232f04aed0b3209a43a0b25bb5f4bb53920620c7e0bcc155743daa
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 184B
            • SHA256 b74cf0894a7b42aae0630586e321e3cea282724a16e1ed40322cb39014c0041f
            • MD5 SHA1 SHA512 TLSH

            rangeslider-first-handle-disabled.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\rangeslider-first-handle-disabled.png
            • Size 343B
            • SHA256 d0f2f23ce73f6559fa3a61f4e7c068875e321dc6aca3a0eb6a423ae94054b92a
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 590B
            • SHA256 5d2c7b18155db2f3583896fde0addccc481a816a9b36531b201bc5e31bbb35ab
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 1KB
            • SHA256 34a47dc79f253f27a7757d747f3402559294fe080d1409890ffaeaad1a3d7b1e
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 780B
            • SHA256 7afea33b4b6109fccad617fc05ba2ffc422bc60b02e805303e129ca9954953a1
            • MD5 SHA1 SHA512 TLSH

            slider-handle.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\slider-handle.png
            • Size 513B
            • SHA256 3bd1cba7b0517257de59ea097e188ebaa706b7bbfca338a29ddbec2d944c5567
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 1KB
            • SHA256 caf1dc9e14b96d649fbc00a5210fbd0e209fee56c724ba746ea7a22edf73d5ac
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 992B
            • SHA256 9b1916e06dd0605a1cb61052de50cda49723e08f280dfce484b8b06d54cb1a17
            • MD5 SHA1 SHA512 TLSH

            spinbox-background.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\spinbox-background.png
            • Size 438B
            • SHA256 b690ff71125077a35907ee9df97bb986fbebb2ee82b1f443d86e25fd15738204
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 1KB
            • SHA256 ac3911723fbc5dbd7831c4049036f4f9d5b290a52164143d9e4846fc3fa5ceb0
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 180B
            • SHA256 6fd283b8c8f1c96a7b0084a475dc0915cc7db16c938858b6c2fc42a2c286107a
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 215B
            • SHA256 bfdd4f412de35ced17a26b6090b41befbf11e97578a244798a475c35f1b81685
            • MD5 SHA1 SHA512 TLSH

            spinbox-indicator-down-icon.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\spinbox-indicator-down-icon.png
            • Size 138B
            • SHA256 6291f9c78c77f1fb89dd0b43c51daa98c2ab6c98ca737c2ef1f61f1f201b4514
            • MD5 SHA1 SHA512 TLSH

            spinbox-indicator-up-icon-down-pressed.png

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\spinbox-indicator-up-icon-down-pressed.png
            • Size 131B
            • SHA256 95bc4afbc55494f30ec3553ae051c73b535e9aad45426eb373cb788f25f88caa
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 206B
            • SHA256 9bef876bbd6193e05e5e0ad50706ee454d1ea71da782a6f9e9bf8e5e71bb920d
            • MD5 SHA1 SHA512 TLSH
            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\FluentWinUI3\light\images\[email protected]
            • Size 164B
            • SHA256 d5a68925a3626dabc5a773663cd0134ae03c908c0c8adb4381578078c3fc056e
            • MD5 SHA1 SHA512 TLSH

            plugins.qmltypes

            • Path C:\Program Files\MuseScore 4\qml\QtQuick\Controls\plugins.qmltypes
            • Size 215B
            • SHA256 a96c7bf5832767bdc9d91e2290a3920aec3abfbf2e3814bce38b49483f16f84a
            • MD5 SHA1 SHA512 TLSH

            audiosettings.json

            • Path C:\Program Files\MuseScore 4\templates\02-Choral\03-SATB_+_Piano\audiosettings.json
            • Size 3KB
            • SHA256 a128d59f809327ae396f37c60888a6b93347603584f9246e39e33fc9478a5742
            • MD5 SHA1 SHA512 TLSH

            viewsettings.json

            • Path C:\Program Files\MuseScore 4\templates\02-Choral\04-SATB_Closed_Score\viewsettings.json
            • Size 60B
            • SHA256 17dc2f059786a40b21a4f3375d5a528ecb6b4d897a3d67b7242fec5e7a4d89f4
            • MD5 SHA1 SHA512 TLSH

            audiosettings.json

            • Path C:\Program Files\MuseScore 4\templates\02-Choral\11-Liturgical_Unmetrical_+_Organ\audiosettings.json
            • Size 1KB
            • SHA256 e2f263aefdfe1713eead1202090821273b6db29d546c452c83cef06c125e52a9
            • MD5 SHA1 SHA512 TLSH

            audiosettings.json

            • Path C:\Program Files\MuseScore 4\templates\03-Chamber_Music\01-String_Quartet\audiosettings.json
            • Size 2KB
            • SHA256 5391d6d5bb47a683349bbc902539b2e323ff053a9214f184616d80145833c226
            • MD5 SHA1 SHA512 TLSH

            score_style.mss

            • Path C:\Program Files\MuseScore 4\templates\03-Chamber_Music\06-Brass_Quintet\score_style.mss
            • Size 62KB
            • SHA256 bef0c30703a82a7927c74351686ecad40ed94377df18191fca833be2ac24a8cb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            audiosettings.json

            • Path C:\Program Files\MuseScore 4\templates\05-Jazz\01-Jazz_Lead_Sheet\audiosettings.json
            • Size 765B
            • SHA256 7bf977b380313f47adb200b660a5856703e513e6df482fdabb7a2fc082cf60d3
            • MD5 SHA1 SHA512 TLSH

            audiosettings.json

            • Path C:\Program Files\MuseScore 4\templates\07-Band_and_Percussion\07-Large_Pit_Percussion\audiosettings.json
            • Size 15KB
            • SHA256 8582e311982601dbbd629a26b6365a5dfdae0926c36848bbeb5ae45a78046cc4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI4CCE.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI4CCE.tmp
            • Size 132KB
            • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 2aac2db72f106b411deb82f0b868728c4b1d9ab7c7c5468255517fee623a3e1d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {8265d3ca-948f-4f03-895e-f05fdd45bb05}_OnDiskSnapshotProp

            • Path \??\Volume{5d76dc85-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{8265d3ca-948f-4f03-895e-f05fdd45bb05}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 118b7e323b4f5b5dc5c446a65d8f872fb27b8904049cd80b460b7bd5a0113565
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/872-14-0x00000205000E0000-0x0000020500A84000-memory.dmp