Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/10/2026, 19:08

General

  • Target
    ConnectWiseControl.ClientSetup.msi
  • Size 1.5MB
  • Sample261009-xtd4xaea37
  • SHA256 c0258934640daa6207fff2ddd6ad058fb05ac7cd401f295fcddc3a4898268741
  • 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 16 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 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\ConnectWiseControl.ClientSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3456
  • 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:3688
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 923DF4B295B741E332BBFAB73D955213 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3264
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIE318.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240706515 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1916
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4060
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8920B091A2F66EE66A97AE1EE6FC57A1
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1736
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8DE94870BDF64371EBC498322AE1B179 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:2472
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:892
    • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=13.37.72.210&p=8041&s=5d3db628-7506-487c-8bc7-a35b133c5ad1&k=BgIAAACkAABSU0ExAAgAAAEAAQAFJ7ZuWXP5BWViHJTbf5tPj7Sz3VZwFq8m7qZRUuRH8DdT5ZTh16EXQCtQGTdC3%2f6cdeRipg90LvRJZX4%2fUH8mHIc8WT2uHwG0TTG%2bw8jNKIhaiX5%2bAk5V%2fBlG7ZV8vvpvIpen%2bIjWKto%2b%2ft2RaJJkmNEiZXVhbDKkMCgLoguOOEHQTD2zzeE%2b%2bYbIKt2%2btII8jVJd9udccUDkoBTNIilMA4lD%2f18HSK9IXWik3cby%2bIBrxpoP6s%2bA2rbet3WdvT0np%2bdqRuOkf2A8iowrzdSYAy9REZQ6VQse0UfvmLhINz31AqKPMMoMth4o%2bMavAJ8l%2b4%2b2cAnDO%2bb6%2bFylxuzA&t=&c=&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4452
      • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe" "RunRole" "cbeec6ea-5850-474e-9721-e9a9441ed99a" "User"
        2⤵
        • Executes dropped EXE
        PID:2756
      • C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe" "RunRole" "ec0be107-4be4-4e14-b3de-f7d5d41ba71c" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4912

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e592a05.rbs

          • Path C:\Config.Msi\e592a05.rbs
          • Size 212KB
          • SHA256 150cc97d91576985667663927234e3562b85f506ac5def7c801fa3a48f2652bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\Client.Override.en-US.resources
          • Size 343B
          • SHA256 12191483feb8db21c4b7ecd039be74de31710326b9ff1466d9bd6f53329259f6
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\Client.Override.resources
          • Size 32KB
          • SHA256 bae2628f861455f9ae162ebb4599ea04c84f28326f687c489fb51017f5424dcd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\Client.en-US.resources
          • Size 47KB
          • SHA256 a023527e773b886fb64c5f31de484f659c5816cf4ab696be7c98a3ea4de57d41
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.Client.dll
          • Size 99KB
          • SHA256 d03080496ab39d14c5f9c611db6fe7c1961a22f31bf81afa23236092d1aab8c4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.dll
          • Size 25KB
          • SHA256 e944fba422b37726b839ba2416b8c816bb271b4d09b3922d3258cc7a34a823d4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.ClientService.exe
          • Size 87KB
          • SHA256 785617001ab812aceee696b29ea0ad79f4539e1f941abea8e419eefcfc83384b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.Windows.dll
          • Size 1.1MB
          • SHA256 410541de79520a6aaefc5969a9b16b9c43a6117bfe6e0d731f2e3f9aad17d9e7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe
          • Size 427KB
          • SHA256 e74ad2f5cffd1895ca4274272e6901c74a11d45aadf52a015502242495515a00
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\ScreenConnect.WindowsClient.exe.config
          • Size 259B
          • SHA256 f3c7ed5a1114cbfa6e3e996f4b0311edb5e25dc2099fd7eb7a3a456c261a2d94
          • MD5 SHA1 SHA512 TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (948c0d572cb98b0c)\app.config
          • Size 2KB
          • SHA256 ae5fc34ccd25c235997ed61a6a7b00440f171baee6fb0d638073744858d8ea2e
          • MD5 SHA1 SHA512 TLSH

          MSIE318.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE318.tmp
          • Size 320KB
          • SHA256 ea134f4d9e80ec934fc1304ba687ba8bba62398300323432ec2cc1ef5ad1f75d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE318.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE318.tmp-\ScreenConnect.Core.dll
          • Size 311KB
          • SHA256 18d41ab18390afb3cfbc0a872cd89565e7c21ec32237ae5be8a7f113e8015420
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIE318.tmp-\ScreenConnect.InstallerActions.dll
          • Size 17KB
          • SHA256 a41b68a124497d0e4e5f46fcc2f152ed2dddbde2f0d0e12f54c7335243f7f120
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI2B0F.tmp

          • Path C:\Windows\Installer\MSI2B0F.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e592a06.msi

          • Path C:\Windows\Installer\e592a06.msi
          • Size 1.5MB
          • SHA256 c0258934640daa6207fff2ddd6ad058fb05ac7cd401f295fcddc3a4898268741
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 f64604c629e2a513f7bcc8087390df0351522be67c80e5983c282ae3baa85783
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {a98da968-cac4-4126-9526-5e44091c18d5}_OnDiskSnapshotProp

          • Path \??\Volume{aef5a47e-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{a98da968-cac4-4126-9526-5e44091c18d5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 220011855a7aff5329eca80e849d8cd33853348e7a0509be72072b65c1750c8d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1916-22-0x0000000002620000-0x0000000002674000-memory.dmp

          memory/1916-18-0x0000000002580000-0x000000000258A000-memory.dmp

          memory/1916-14-0x0000000002540000-0x000000000256E000-memory.dmp

          memory/1916-23-0x0000000004F80000-0x0000000005524000-memory.dmp

          memory/2756-96-0x0000000002B10000-0x0000000002B30000-memory.dmp

          memory/2756-97-0x000000001B8E0000-0x000000001B934000-memory.dmp

          memory/2756-99-0x000000001C990000-0x000000001CB16000-memory.dmp

          memory/2756-100-0x0000000001240000-0x000000000124C000-memory.dmp

          memory/2756-98-0x000000001BA60000-0x000000001BB80000-memory.dmp

          memory/2756-95-0x0000000000A40000-0x0000000000AB0000-memory.dmp

          memory/4452-92-0x0000000004510000-0x0000000004560000-memory.dmp

          memory/4452-90-0x00000000045B0000-0x0000000004736000-memory.dmp

          memory/4452-89-0x00000000042B0000-0x0000000004320000-memory.dmp

          memory/4452-78-0x0000000003D60000-0x0000000003D80000-memory.dmp

          memory/4452-85-0x0000000004020000-0x0000000004140000-memory.dmp

          memory/4452-72-0x0000000003D20000-0x0000000003D2C000-memory.dmp