Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 12:25

General

  • Target
    ScreenConnect.ClientSetup.exe
  • Size 12.2MB
  • Sample261102-plxmaatthx
  • SHA256 85d5318c26815c7b29e53bbd583aed4bf37e398c6e8a277f5f551e4385324d8d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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.

  • ConnectWise ScreenConnect remote access tool

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

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in System32 directory 10 IoCs
  • 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.

  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 13 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 42 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 6 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 9 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 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\4ea5565506813589\ScreenConnect.ClientSetup.msi" SC_EXE_PATH="C:\Users\Admin\AppData\Local\Temp\ScreenConnect.ClientSetup.exe"
      2⤵
      • Badlisted process makes network request
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1880
  • 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:1124
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 1907D32E2663071B62E5D1C38A66A2CB C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIBB4C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240696312 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2116
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC10A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240697671 10 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiMotw
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Reads the TCP/IP host and domain name from the registry
        • System Location Discovery: System Language Discovery
        PID:3372
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC84E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240699484 17 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.CheckMsiFileName
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3536
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4776
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D2A72405FA327C14D64EE74523DB2CFD
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1724
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 61FE14508CD51B0154D2F3BE9293D3BB E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2028
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3612
    • C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-a3n7rq-relay.screenconnect.com&p=443&s=0bd1edc7-6e92-4384-b3d5-a87923be18e0&k=BgIAAACkAABSU0ExAAgAAAEAAQBdQNVL6QY%2fwtLOy1VNLe4DWy4qQV1omaZpuDpXskj%2ftGuWss0hN2AgwzicE9dKxLTAxf1FsUWKIXX7mIs2zubf3l6sHeC9slesxsuvm7zw4fNshmTEm9hXcdUuut3rBWVC4iWTSys7h6aJdoI3mWQk%2fYEplHEy2c1ZMfsVxllCeJVmncdN38vDyPUWcwu%2fX7%2f1ljZB4qMSxoIwzfyJlhXoDkOFn45Use3jd%2fPLH7anQ8ASaC8Cc4BEzf2yR0pxrBeCAdSA1%2fG8btcKR5s1BLQS6oE11za%2fY9jhxiQJtI7RsnekoG4PYb%2f4aQTVJcPBprL6isbKxCx9pJVAHK%2f5WLil"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • 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:2192
      • C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.WindowsClient.exe" "RunRole" "d908380c-c606-461a-8080-946be780cfca" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3016
      • C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.WindowsClient.exe" "RunRole" "1525c5e3-9d0d-4803-b9c5-c1d98459ff32" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Reads the TCP/IP host and domain name from the registry
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2420

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59091f.rbs

          • Path C:\Config.Msi\e59091f.rbs
          • Size 214KB
          • SHA256 7341f0240fc3d7137646d8399a74081b144da2497add316b3c0f167d636c54b2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.Client.dll
          • Size 413KB
          • SHA256 be1e3522a20c244b3e20b4f7bc2fc736b6103c930d6cf8366e0bb97cb82d5241
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.ClientService.dll
          • Size 92KB
          • SHA256 67f75a75bc19288cac0071e19e7af4463f2ecf4bb75fe13af80a4f0f57144253
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 bc19602c59b0ba4a7a99f791c87298df76d8d62f86a928e112dca285a88a5a77
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.Core.dll
          • Size 583KB
          • SHA256 91ae86fd5439c7d8a54b75cbb60c2ff9bdff84657b962d340d48cdf656c4928d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 9ddaf17f7f802e58c645d42184e0ac33dc755a885bc3637a7d837a4f6ae5fdea
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 89fd40ccc2e2be1bf140e748212922aa4010a7ef4b0465aca958c9d3417e0bdd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (4ea5565506813589)\system.config
          • Size 964B
          • SHA256 26c4bb1863942b67ca51d23358d2c2bce44d5e3c338267fc3ac8c0608de6f0e4
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 727B
          • SHA256 32308105d00835c913e0e77ddfda1c4185f680a67e14a04c062a07f67a1b44c6
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 5ed6e3278d522b55a451b979c6976812b6d4c8fe921b5fed6f8ebb57d5981a71
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_59E89BCE9615F2B61F2F2C691688F111
          • Size 404B
          • SHA256 d4109f692c1556c7012c50739ff5cc5e17e90fccfbe1ed4064eab7e696e02146
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 61dd0d83d42a4b26637b3a33f7ab354cbfcfe4417cc397848e0c4c11b4ac977b
          • MD5 SHA1 SHA512 TLSH

          rundll32.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rundll32.exe.log
          • Size 746B
          • SHA256 ddebb6b1094dbef9e96754a74ebd4761d857864c9bd0b5f20a97259a6d7c8fe0
          • MD5 SHA1 SHA512 TLSH

          MSIBB4C.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBB4C.tmp
          • Size 1.1MB
          • SHA256 d39e53d74c6840d331b91b9c949db26f7c93a824e9fb104c532346a8c465b6e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBB4C.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBB4C.tmp-\ScreenConnect.Core.dll
          • Size 573KB
          • SHA256 399ab0c1bcf2bf0c7618066d676b6958c2a5f4fed2d8f769f0eeea5492720e4f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBB4C.tmp-\ScreenConnect.InstallerActions.dll
          • Size 24KB
          • SHA256 f35f007dcb154d0346745309630b8cc21fe49638e76dc8dd77a3c62cb0aa754a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIBB4C.tmp-\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 4c281797c351fed77890634006a51bc3a6c60efa4c831fe21934353f304cdf61
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CustomAction.config

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC10A.tmp-\CustomAction.config
          • Size 234B
          • SHA256 7027b69ab6ebc9f3f7d2f6c800793fde2a057b76010d8cfd831cf440371b2b23
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC10A.tmp-\ScreenConnect.WindowsInstaller.dll
          • Size 137KB
          • SHA256 7fcba418fd772a38e420238d49e8301f23caf47eadcef400ecab8738813d9694
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\26.7.6.9783\4ea5565506813589\ScreenConnect.ClientSetup.msi
          • Size 9.8MB
          • SHA256 08fbc029745b324c672b2728b64265cd55005058b37cae3e3abe4d6a54777302
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIF1A.tmp

          • Path C:\Windows\Installer\MSIF1A.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          n2pmw3on.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4ea5565506813589)\n2pmw3on.newcfg
          • Size 683B
          • SHA256 a163a698951d3546669cf43c6a11dd7a9192ad632749ab9ce2b8db86cdf54125
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4ea5565506813589)\user.config
          • Size 520B
          • SHA256 2a95ddc5eeab871595f08dbe15baa0891b576d0fc196a4198b3c519ccf386bdf
          • MD5 SHA1 SHA512 TLSH

          vka3aqam.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (4ea5565506813589)\vka3aqam.newcfg
          • Size 882B
          • SHA256 5c2f7aef58593c579dcf6fc8bc63844189ccb0dd9f890e54d063b99fd13e7f11
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 229ffde08f9d6d21c31a0aa15a2b1db45f344880f35e4eb99e883a8ccbee3217
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {2ff317bc-cbb2-4e5f-8ccc-b18dee7b34b6}_OnDiskSnapshotProp

          • Path \??\Volume{d05fbc87-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{2ff317bc-cbb2-4e5f-8ccc-b18dee7b34b6}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 fa80a416b682044c7c284cb67bedda2a8669813929cbdc0c43df9d60a98ececd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2116-47-0x00000000052F0000-0x0000000005386000-memory.dmp

          memory/2116-39-0x00000000051E0000-0x000000000520E000-memory.dmp

          memory/2116-51-0x0000000005540000-0x00000000056F0000-memory.dmp

          memory/2116-43-0x0000000005220000-0x000000000522C000-memory.dmp

          memory/2192-172-0x0000000003800000-0x0000000003896000-memory.dmp

          memory/2192-211-0x0000000003E80000-0x0000000003F56000-memory.dmp

          memory/2192-176-0x0000000003A50000-0x0000000003C00000-memory.dmp

          memory/2192-209-0x00000000038B0000-0x00000000038F1000-memory.dmp

          memory/2192-166-0x00000000036C0000-0x00000000036DA000-memory.dmp

          memory/2192-178-0x00000000038F0000-0x0000000003940000-memory.dmp

          memory/2192-207-0x0000000003CA0000-0x0000000003D32000-memory.dmp

          memory/2192-199-0x00000000039B0000-0x0000000003A1C000-memory.dmp

          memory/2420-238-0x000000001B990000-0x000000001B9D1000-memory.dmp

          memory/3016-229-0x0000000000550000-0x0000000000600000-memory.dmp

          memory/3016-235-0x0000000002660000-0x000000000267A000-memory.dmp

          memory/3016-236-0x000000001CAF0000-0x000000001CC76000-memory.dmp

          memory/3016-237-0x0000000002680000-0x00000000026C1000-memory.dmp

          memory/3016-232-0x000000001B700000-0x000000001B8B0000-memory.dmp

          memory/3016-231-0x000000001B170000-0x000000001B206000-memory.dmp

          memory/3016-230-0x00000000027F0000-0x000000000285C000-memory.dmp

          memory/3372-83-0x0000000005620000-0x0000000005648000-memory.dmp

          memory/4040-5-0x0000000001BF0000-0x0000000001C18000-memory.dmp

          memory/4040-1-0x00000000017A0000-0x00000000017A8000-memory.dmp

          memory/4040-2-0x0000000005A30000-0x0000000005A40000-memory.dmp

          memory/4040-3-0x00000000017C0000-0x00000000017CC000-memory.dmp

          memory/4040-4-0x0000000005920000-0x00000000059B6000-memory.dmp

          memory/4040-6-0x0000000005A40000-0x0000000005BF0000-memory.dmp

          memory/4040-7-0x00000000061A0000-0x0000000006744000-memory.dmp

          memory/4040-8-0x0000000005A30000-0x0000000005A40000-memory.dmp

          memory/4040-0-0x0000000005A30000-0x0000000005A40000-memory.dmp