Analysis

  • max time kernel
    144s
  • max time network
    82s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 19:20

General

  • Target
    serum Setup.exe
  • Size 168.3MB
  • Sample260720-x18xvscy9j
  • SHA256 b7270daca61c6be8da79a863806ddd9a0a7c226d4f14b9013d3d1dd2de6e616c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 13 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops desktop.ini file(s) 4 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 52 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.

  • Inno Setup is an open-source installation builder for Windows applications. 1 IoCs

    Inno Setup installer

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\serum Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\serum Setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Users\Admin\AppData\Local\Temp\is-B0195.tmp\serum Setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-B0195.tmp\serum Setup.tmp" /SL5="$401AE,175782052,192512,C:\Users\Admin\AppData\Local\Temp\serum Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4224
      • C:\Windows\system32\reg.exe
        "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Xfer Records Serum 1.35b1-r4e_is1" /v "DisplayVersion" /t "REG_SZ" /d "1.35b1" /f
        3⤵
          PID:4304
        • C:\Windows\system32\reg.exe
          "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Xfer Records Serum 1.35b1-r4e_is1" /v "Publisher" /t "REG_SZ" /d "Xfer Records" /f
          3⤵
            PID:3136
          • C:\Windows\system32\reg.exe
            "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Xfer Records Serum 1.35b1-r4e_is1" /v "Comments" /t "REG_SZ" /d "r4e 2022" /f
            3⤵
              PID:2536
            • C:\Windows\system32\reg.exe
              "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Xfer Records Serum 1.35b1-r4e_is1" /v "URLInfoAbout" /t "REG_SZ" /d "https://www.xferrecords.com" /f
              3⤵
                PID:5564
              • C:\Windows\system32\reg.exe
                "reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Xfer Records Serum 1.35b1-r4e_is1" /v "EstimatedSize" /t "REG_DWORD" /d "225977" /f
                3⤵
                  PID:5852

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  PlugIn.ico

                  • Path C:\Program Files (x86)\Common Files\Avid\Audio\Plug-Ins\SerumFX.aaxplugin\PlugIn.ico
                  • Size 114KB
                  • SHA256 55cd7afec149dc5accbb0821c98250785f8e503d0c29f1c0c989a7fea915c1ab
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  desktop.ini

                  • Path C:\Program Files (x86)\Common Files\Avid\Audio\Plug-Ins\SerumFX.aaxplugin\desktop.ini
                  • Size 126B
                  • SHA256 5526ef6345adee7c693e58354dd72b095df152be62ff7298b4c6f6d0f91e2f83
                  • MD5 SHA1 SHA512 TLSH

                  Serum.exe

                  • Path C:\Program Files (x86)\Steinberg\VSTPlugins\Serum.exe
                  • Size 2.7MB
                  • SHA256 5a0dfbf0555d6173e3ee233e0bc11365e081183e0ef7d23b20309a75f9456c81
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Serum.aaxplugin

                  • Path C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Serum.aaxplugin\Contents\Win32\Serum.aaxplugin
                  • Size 4.2MB
                  • SHA256 7aaecdffd3f252815f4f501c737755041d6f4f0bfb699374fcd8ce7d905ea428
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Serum.aaxplugin

                  • Path C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Serum.aaxplugin\Contents\x64\Serum.aaxplugin
                  • Size 5.0MB
                  • SHA256 f0397cace49fdffd4ceeb4e71f7eb04fb88d87194b0fd6321071367c15f9b71f
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  SerumFX.aaxplugin

                  • Path C:\Program Files\Common Files\Avid\Audio\Plug-Ins\SerumFX.aaxplugin\Contents\Win32\SerumFX.aaxplugin
                  • Size 4.2MB
                  • SHA256 1febcaeba16b6f3c3a83beb61525f18106a8f1e733b93577ba64afcd5241b868
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  SerumFX.aaxplugin

                  • Path C:\Program Files\Common Files\Avid\Audio\Plug-Ins\SerumFX.aaxplugin\Contents\x64\SerumFX.aaxplugin
                  • Size 5.0MB
                  • SHA256 658ca2d5c9804bcc483c618d1ce78cef71526f2074b2802f92887232486536f3
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Serum_x64.exe

                  • Path C:\Program Files\Steinberg\VSTPlugins\Serum_x64.exe
                  • Size 3.7MB
                  • SHA256 a86787531cb4b017f5843c93ab8ee6f9d9ba13bd29d8d9e7e8af5ff9cba993d8
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  BASS.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\BASS.dll
                  • Size 91KB
                  • SHA256 0bd42c13dd0a5c881e80f161f7548b093c4fd99a747c13568af983e2c76cd71a
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CallbackCtrl.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\CallbackCtrl.dll
                  • Size 4KB
                  • SHA256 68f42a7823ed7ee88a5c59020ac52d4bbcadf1036611e96e470d986c8faa172d
                  • MD5 SHA1 SHA512 TLSH

                  ISSkinU.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\ISSkinU.dll
                  • Size 385KB
                  • SHA256 ff1374abd93690f5e6e591bae23b49aacc8bbe8b7b05b539ec8aee755070a0e3
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Music_Stroke.png

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\Music_Stroke.png
                  • Size 2KB
                  • SHA256 921b4e067067a29826ef3abc8a758ea6327be5177b333a87a8be27af71c4abcd
                  • MD5 SHA1 SHA512 TLSH

                  PlayerBG.png

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\PlayerBG.png
                  • Size 561B
                  • SHA256 7d19086479b58651eac558e74101670a6343dd9eb3690980ef5842f1c71d7650
                  • MD5 SHA1 SHA512 TLSH

                  Skin.cjstyles

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\Skin.cjstyles
                  • Size 381KB
                  • SHA256 4fdae26567f43e9f936be5ef23bad8fca78bb53d9c2277afb65d0524529039a6
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  VolMax.png

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\VolMax.png
                  • Size 330B
                  • SHA256 b3c2ee422a4e617d3e3e6d3a8c69bf79335b317a21ab95bb525bd710a8da17b5
                  • MD5 SHA1 SHA512 TLSH

                  VolMin.png

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\VolMin.png
                  • Size 250B
                  • SHA256 f48bad936959242e695719b09439ca2dd05fa23c2a6fc0eaf9b4a4fe0ce7627b
                  • MD5 SHA1 SHA512 TLSH

                  VolSlider.png

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\VolSlider.png
                  • Size 218B
                  • SHA256 eccdbccd4870aded10ec95a86843dadaf1b385024d6616a9edb106ff9f2018a3
                  • MD5 SHA1 SHA512 TLSH

                  WaterLib.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\WaterLib.dll
                  • Size 123KB
                  • SHA256 57ec9023fddd0e0dedffc93bae937442eebd648a4d14383b22fb1a787582cbbc
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  botva2.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\botva2.dll
                  • Size 41KB
                  • SHA256 da7d0368712ee419952eb2640a65a7f24e39fb7872442ed4d2ee847ec4cfde77
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  imageanimator.dll

                  • Path C:\Users\Admin\AppData\Local\Temp\is-5UOTP.tmp\imageanimator.dll
                  • Size 236KB
                  • SHA256 ee98ceb9c2ca4fc8cecc10346e42b06370b94b304eb48aeef86e9bd6869f45cf
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  serum Setup.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\is-B0195.tmp\serum Setup.tmp
                  • Size 1.5MB
                  • SHA256 34a973930e15c2e3cda1388e193cc726380a22343c24c8ed66e2316b88d11285
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  is-EP6J1.tmp

                  • Path C:\Users\Admin\Documents\Xfer\Serum Presets\Skins\Default\1x\is-EP6J1.tmp
                  • Size 1KB
                  • SHA256 a0a1c6ea69b0a6a1aa6d6bd6bd295e8df710ab4f819c1aeecf2c5786f26d1059
                  • MD5 SHA1 SHA512 TLSH

                  is-D57F7.tmp

                  • Path C:\Users\Admin\Documents\Xfer\Serum Presets\Skins\Promethium\1x\is-D57F7.tmp
                  • Size 1KB
                  • SHA256 d34652d56f2a61d28d1c350fc180a1ce1642c29bcb5fe05a77b9b256711468f4
                  • MD5 SHA1 SHA512 TLSH

                  is-SUC03.tmp

                  • Path C:\Users\Admin\Documents\Xfer\Serum Presets\Skins\Promethium\1x\is-SUC03.tmp
                  • Size 1KB
                  • SHA256 7f489f7a78e8153edd85b24f6f724a21895d10d5c8f40197c7af7e68960bda66
                  • MD5 SHA1 SHA512 TLSH

                  is-OKH3M.tmp

                  • Path C:\Users\Admin\Documents\Xfer\Serum Presets\Skins\Promethium\2x\is-OKH3M.tmp
                  • Size 2KB
                  • SHA256 f8e352e45b99c51541c641e79336b0ac71bed60de31f866caed96e42b42adae4
                  • MD5 SHA1 SHA512 TLSH

                  is-OTRU5.tmp

                  • Path C:\Users\Admin\Documents\Xfer\Serum Presets\Skins\Promethium\2x\is-OTRU5.tmp
                  • Size 2KB
                  • SHA256 981ca03de861ee80f0049bd33abbbcc2322aaa23499f31c6bf274750cc14dfd8
                  • MD5 SHA1 SHA512 TLSH

                  memory/4224-44-0x0000000076EE0000-0x0000000076F5E000-memory.dmp

                  memory/4224-102-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-1580-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-58-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-56-0x0000000074DF0000-0x0000000074E15000-memory.dmp

                  memory/4224-57-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-55-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-53-0x00000000742D0000-0x0000000074303000-memory.dmp

                  memory/4224-51-0x0000000076EE0000-0x0000000076F5E000-memory.dmp

                  memory/4224-52-0x0000000074DF0000-0x0000000074E15000-memory.dmp

                  memory/4224-49-0x0000000074DF0000-0x0000000074E15000-memory.dmp

                  memory/4224-50-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-45-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-47-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-43-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-42-0x0000000076EE0000-0x0000000076F5E000-memory.dmp

                  memory/4224-54-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-65-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-63-0x0000000074AA0000-0x0000000074CC7000-memory.dmp

                  memory/4224-81-0x00000000752F0000-0x00000000753A1000-memory.dmp

                  memory/4224-169-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-162-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-159-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-157-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-156-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-154-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-153-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-152-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-150-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-144-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-140-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-138-0x00000000742D0000-0x0000000074303000-memory.dmp

                  memory/4224-137-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-131-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-126-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-124-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-122-0x00000000752F0000-0x00000000753A1000-memory.dmp

                  memory/4224-119-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-117-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-116-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-114-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-110-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-106-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-83-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-91-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-85-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-87-0x00000000752F0000-0x00000000753A1000-memory.dmp

                  memory/4224-79-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-77-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-75-0x00000000752F0000-0x00000000753A1000-memory.dmp

                  memory/4224-73-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-71-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-69-0x00000000752F0000-0x00000000753A1000-memory.dmp

                  memory/4224-170-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-174-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-178-0x0000000003E50000-0x0000000003EA7000-memory.dmp

                  memory/4224-89-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-99-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-202-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-129-0x0000000074A10000-0x0000000074A91000-memory.dmp

                  memory/4224-203-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-210-0x0000000003FC0000-0x0000000004066000-memory.dmp

                  memory/4224-148-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-211-0x0000000007A10000-0x0000000007A51000-memory.dmp

                  memory/4224-158-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-161-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-164-0x0000000010000000-0x0000000010061000-memory.dmp

                  memory/4224-62-0x00000000752F0000-0x00000000753A1000-memory.dmp

                  memory/4224-230-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-231-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-238-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-239-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-240-0x0000000007A10000-0x0000000007A51000-memory.dmp

                  memory/4224-60-0x0000000075F30000-0x000000007650C000-memory.dmp

                  memory/4224-48-0x0000000076EE0000-0x0000000076F5E000-memory.dmp

                  memory/4224-59-0x00000000767D0000-0x0000000076925000-memory.dmp

                  memory/4224-61-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-46-0x0000000076EE0000-0x0000000076F5E000-memory.dmp

                  memory/4224-34-0x0000000003FC0000-0x0000000004066000-memory.dmp

                  memory/4224-35-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-25-0x0000000003E50000-0x0000000003EA7000-memory.dmp

                  memory/4224-27-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-26-0x0000000003E50000-0x0000000003EA7000-memory.dmp

                  memory/4224-9-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-8-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4224-1578-0x0000000000400000-0x0000000000585000-memory.dmp

                  memory/4688-1-0x0000000000400000-0x0000000000439000-memory.dmp

                  memory/4688-0-0x000000000041E000-0x000000000041F000-memory.dmp