Resubmissions

27/05/2026, 13:26

260527-qptkgaew7k7

27/05/2026, 13:13

260527-qf96vset5m7

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/05/2026, 13:13

General

  • Target
    CompeteClientInstall.msi
  • Size 112.2MB
  • Sample260527-qf96vset5m
  • SHA256 3e4b2b2896756df7d1087b7839b6a80b528ecd63d71fa101ba666648a9f0f2f3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 56 IoCs
  • Badlisted process makes network request 5 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 38 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 6 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\CompeteClientInstall.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3700
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4336
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6E0940C67EE0E3BE27BEB18090DBB8E4 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1356
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5824
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0C9D1F03B910A5AD8E8692F9EFE48A99
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1076
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 62C2ECEA031241968C9AEE6D3E1CF634 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:924
      • C:\Windows\syswow64\MsiExec.exe
        "C:\Windows\syswow64\MsiExec.exe" /Y "C:\Program Files (x86)\JonasFitness\Compete\wiaaut.dll"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2880
      • C:\Program Files (x86)\JonasFitness\updater.exe
        "C:\Program Files (x86)\JonasFitness\updater.exe" /configservice -name updater.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3456
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2324
    • C:\Program Files (x86)\JonasFitness\updater.exe
      "C:\Program Files (x86)\JonasFitness\updater.exe" /runservice
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3908
    • C:\Program Files (x86)\JonasFitness\Compete\Front Desk.exe
      "C:\Program Files (x86)\JonasFitness\Compete\Front Desk.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      PID:4760

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58b562.rbs

          • Path C:\Config.Msi\e58b562.rbs
          • Size 5.7MB
          • SHA256 13f9b4fa064512feceec798595a6165770d02190f65024c5899943bcac8a2b6b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58b565.rbs

          • Path C:\Config.Msi\e58b565.rbs
          • Size 410B
          • SHA256 8dd0541c2020ba97c9cb095614bf6073e272bd76a47f3615e24580d917e412f8
          • MD5 SHA1 SHA512 TLSH

          BackOfficeShell.exe

          • Path C:\Program Files (x86)\JonasFitness\Compete\BackOfficeShell.exe
          • Size 517KB
          • SHA256 a160437fc8ebe2f8cc471b06f15e7e8c3567aba634fc55dea5976d6cc8c480ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Front Desk.exe

          • Path C:\Program Files (x86)\JonasFitness\Compete\Front Desk.exe
          • Size 1.3MB
          • SHA256 d8b7aafd68578ccbb44d3ad60489f8459a02b04ca42bc72c96e3521355b2498a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wiaaut.dll

          • Path C:\Program Files (x86)\JonasFitness\Compete\wiaaut.dll
          • Size 316KB
          • SHA256 dc7b0f6719c497af690d2b4880e593fd6940c5e60069ae6c6439401c4d64f54f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          updater.exe

          • Path C:\Program Files (x86)\JonasFitness\updater.exe
          • Size 1.8MB
          • SHA256 d953e8c5102c3da9a88c4501aad41a2c24bbcf32847e91eeda6f7a5d9c7215dc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          updater.exe

          • Path C:\Program Files (x86)\JonasFitness\updater.exe
          • Size 1.8MB
          • SHA256 b265dc6dc02aa0c157a2a0c9a4a238eb34e36c1c6c8d8249c8443b26b3032412
          • MD5 SHA1 SHA512 SSDEEP TLSH

          updater.ini

          • Path C:\Program Files (x86)\JonasFitness\updater.ini
          • Size 445B
          • SHA256 11e3254cc3244ef36fc8d3c97c5afc1d60db380e27e8992697d7377c00059dc6
          • MD5 SHA1 SHA512 TLSH

          515195B826B230146D00BC66A056A7F8

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\515195B826B230146D00BC66A056A7F8
          • Size 2KB
          • SHA256 7031daba5a7cb21d0c0064a973d78d8892053bb368bc36b07536117f5a8233a4
          • MD5 SHA1 SHA512 TLSH

          77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50
          • Size 2KB
          • SHA256 4c16f83229f489f97fdc8920bbded9deda9f170771abc66b518debd64499cd21
          • MD5 SHA1 SHA512 TLSH

          515195B826B230146D00BC66A056A7F8

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\515195B826B230146D00BC66A056A7F8
          • Size 290B
          • SHA256 63f35f86e2b70f504b8626b7d7744fd939869339a3f24eaaa689b1c1c7a1d05e
          • MD5 SHA1 SHA512 TLSH

          77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77003E887FC21E505B9E28CBA30E18ED_8ACE642DC0A43382FABA7AE806561A50
          • Size 556B
          • SHA256 7084841424e48fb15ab830ad2d85022ca8538409de08786a237d5e380a5e88f1
          • MD5 SHA1 SHA512 TLSH

          MSI4764.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4764.tmp
          • Size 1.2MB
          • SHA256 e9f952466bf5aee424fde7b563373b9a9b6d7479d3bfdd1859b96dc8239b97c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI49FB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI49FB.tmp
          • Size 1.0MB
          • SHA256 be037a00ed2cd85c5d8d86b04795de1ddeb9e7abd24130f000ab98c649cb6baf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI81b92.LOG

          • Path C:\Users\Admin\AppData\Local\Temp\MSI81b92.LOG
          • Size 77KB
          • SHA256 06e6fa378c7c6c98ed734f5293a05a4ff10bc69c73f7db4de85a02a97134e1fd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE310.tmp

          • Path C:\Windows\Installer\MSIE310.tmp
          • Size 895KB
          • SHA256 f3738b23e5e3782abe915d0758949cafb018cfa1c34661fede4fb02ee206e499
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.ReportViewer.ProcessingObjectModel.dll

          • Path C:\Windows\assembly\GAC_MSIL\Microsoft.ReportViewer.ProcessingObjectModel\10.0.0.0__b03f5f7f11d50a3a\Microsoft.ReportViewer.ProcessingObjectModel.dll
          • Size 89KB
          • SHA256 fa25f35ad640e4bcb47d9b256ed6440a04d76c785b0ad3d334885b5b7b37501c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.ReportViewer.WinForms.dll

          • Path C:\Windows\assembly\GAC_MSIL\Microsoft.ReportViewer.WinForms\10.0.0.0__b03f5f7f11d50a3a\Microsoft.ReportViewer.WinForms.dll
          • Size 535KB
          • SHA256 addbe3da6701db54561adc13224a75b7d7b0e1d5db566d056a758936c166528f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 c34678b3ee56fb28abfcd9340923f93d43289e69a4d868d406b486b0d95be1c1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {2a2cb27d-c0c8-4a89-9eeb-e69ebad1db45}_OnDiskSnapshotProp

          • Path \??\Volume{731567b7-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{2a2cb27d-c0c8-4a89-9eeb-e69ebad1db45}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 ad87805fd7c4d12fe949165fb0a934dbc6402e638857419c323ec43feae0ed03
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4336-178-0x000001C13E9A0000-0x000001C13EFBE000-memory.dmp

          memory/4336-181-0x000001C13DC90000-0x000001C13DD1A000-memory.dmp

          memory/4336-175-0x000001C13CBC0000-0x000001C13CBDC000-memory.dmp

          memory/4336-168-0x000001C13DFC0000-0x000001C13E378000-memory.dmp

          memory/4760-407-0x0000000000A20000-0x0000000000B6C000-memory.dmp

          memory/4760-409-0x00000000056D0000-0x0000000005704000-memory.dmp

          memory/4760-410-0x0000000005610000-0x0000000005622000-memory.dmp

          memory/4760-408-0x0000000005570000-0x0000000005584000-memory.dmp

          memory/4760-411-0x0000000006000000-0x00000000065A6000-memory.dmp

          memory/4760-413-0x0000000005C40000-0x0000000005CEA000-memory.dmp

          memory/4760-412-0x0000000005AF0000-0x0000000005B82000-memory.dmp

          memory/4760-414-0x0000000005AA0000-0x0000000005AC2000-memory.dmp

          memory/4760-415-0x0000000005BC0000-0x0000000005BE2000-memory.dmp

          memory/4760-416-0x0000000007A00000-0x0000000008E44000-memory.dmp

          memory/4760-417-0x0000000005BF0000-0x0000000005C16000-memory.dmp

          memory/4760-418-0x000000000B3F0000-0x000000000D982000-memory.dmp

          memory/4760-419-0x00000000065B0000-0x0000000006907000-memory.dmp

          memory/4760-420-0x0000000006D00000-0x0000000006E50000-memory.dmp

          memory/4760-421-0x0000000005ED0000-0x0000000005EE2000-memory.dmp

          memory/4760-422-0x0000000006C30000-0x0000000006CFE000-memory.dmp

          memory/4760-424-0x0000000005F50000-0x0000000005F78000-memory.dmp

          memory/4760-423-0x0000000006E50000-0x0000000006F02000-memory.dmp

          memory/4760-425-0x0000000006910000-0x0000000006976000-memory.dmp

          memory/4760-428-0x00000000075A0000-0x00000000076D2000-memory.dmp

          memory/4760-427-0x0000000006C00000-0x0000000006C0A000-memory.dmp

          memory/4760-429-0x0000000009390000-0x00000000098C2000-memory.dmp

          memory/4760-431-0x0000000007380000-0x000000000738E000-memory.dmp

          memory/4760-430-0x00000000073D0000-0x000000000741A000-memory.dmp

          memory/4760-432-0x000000000AD20000-0x000000000AD58000-memory.dmp