Analysis

  • max time kernel
    149s
  • max time network
    131s
  • 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, 12:19

General

  • Target
    OpenVPN-2.6.14-windows-amd64.msi
  • Size 5.5MB
  • Sample260804-pg92tazeqh
  • SHA256 19bca902826ef0dc9a6cf849297ce43ba8b2844bdb913c37230308d3274c953c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Drops file in Drivers directory 9 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 22 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Badlisted process makes network request 2 IoCs

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

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 27 IoCs
  • Drops file in Windows directory 41 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 57 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\OpenVPN-2.6.14-windows-amd64.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1308
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • 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:248
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding BE5C309C1EA52766B06F1143293F0695 C
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Program Files\OpenVPN\bin\openvpn-gui.exe
        "C:\Program Files\OpenVPN\bin\openvpn-gui.exe"
        3⤵
        • Executes dropped EXE
        PID:4648
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4744
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding 3BDFA1254E80F8398B3EAD22280D4407
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:2772
      • C:\Windows\System32\MsiExec.exe
        C:\Windows\System32\MsiExec.exe -Embedding B172C368303EB5DACD0DEAE40623DCB2 E Global\MSI0000
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2412
        • C:\Windows\System32\netsh.exe
          netsh interface set interface name="Local Area Connection" newname="OpenVPN Wintun"
          3⤵
          • Event Triggered Execution: Netsh Helper DLL
          PID:1784
        • C:\Windows\System32\netsh.exe
          netsh interface set interface name="Local Area Connection" newname="OpenVPN TAP-Windows6"
          3⤵
          • Event Triggered Execution: Netsh Helper DLL
          PID:828
        • C:\Windows\System32\netsh.exe
          netsh interface set interface name="Local Area Connection" newname="OpenVPN Data Channel Offload"
          3⤵
          • Event Triggered Execution: Netsh Helper DLL
          PID:2400
        • C:\Windows\System32\sc.exe
          "C:\Windows\System32\sc.exe" config OpenVPNService start= auto
          3⤵
          • Launches sc.exe
          PID:1440
        • C:\Windows\System32\sc.exe
          "C:\Windows\System32\sc.exe" start OpenVPNService
          3⤵
          • Launches sc.exe
          PID:4260
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3036
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "1" "C:\Windows\Temp\e8d2d80df3889cacb77fe6bc38926dfdf5da0b9b313ab4f0c6c40b43fb604b3c\wintun.inf" "9" "4569d4f93" "0000000000000168" "WinSta0\Default" "00000000000000EC" "208" "C:\Windows\Temp\e8d2d80df3889cacb77fe6bc38926dfdf5da0b9b313ab4f0c6c40b43fb604b3c"
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:4812
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "1" "C:\Windows\Temp\881a8cc9db02fdf9559b51d18fbd2e6f08b3d3e401eb4e5c8b8bd6865e531ca2\OemVista.inf" "9" "4e56e025b" "0000000000000178" "WinSta0\Default" "0000000000000114" "208" "C:\Windows\Temp\881a8cc9db02fdf9559b51d18fbd2e6f08b3d3e401eb4e5c8b8bd6865e531ca2"
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:5484
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "4" "1" "C:\Program Files\Common Files\ovpn-dco\Win11\ovpn-dco.inf" "9" "4e746adf3" "0000000000000114" "WinSta0\Default" "0000000000000160" "208" "C:\Program Files\Common Files\ovpn-dco\Win11"
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:1332
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "2" "11" "ROOT\NET\0000" "C:\Windows\System32\DriverStore\FileRepository\wintun.inf_amd64_def3401515466414\wintun.inf" "oem1.inf:9ef34515d755ec66:Wintun.Install:0.8.0.0:wintun," "42b53aaff" "0000000000000194" "8110"
      1⤵
      • Drops file in Drivers directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      PID:4280
    • C:\Program Files\OpenVPN\bin\openvpn-gui.exe
      "C:\Program Files\OpenVPN\bin\openvpn-gui.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5300
      • C:\Program Files\OpenVPN\bin\openvpn.exe
        openvpn --version
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2396
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
      1⤵
      • Modifies data under HKEY_USERS
      PID:5352
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "2" "11" "ROOT\NET\0001" "C:\Windows\System32\DriverStore\FileRepository\oemvista.inf_amd64_ba3e477187f1080b\oemvista.inf" "oem2.inf:3beb73aff103cc24:tap0901.ndi:9.27.0.0:root\tap0901," "433338203" "0000000000000198" "8110"
      1⤵
      • Drops file in Drivers directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      PID:4420
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "2" "11" "ROOT\NET\0002" "C:\Windows\System32\DriverStore\FileRepository\ovpn-dco.inf_amd64_b737bb7e846ccda6\ovpn-dco.inf" "oem3.inf:c695c3de07ba2b5d:ovpn-dco_Device:1.2.1.0:ovpn-dco," "43b135903" "0000000000000168" "8110"
      1⤵
      • Drops file in Drivers directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      PID:3944
    • C:\Program Files\OpenVPN\bin\openvpnserv.exe
      "C:\Program Files\OpenVPN\bin\openvpnserv.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2840
    • C:\Program Files\OpenVPN\bin\openvpnserv2.exe
      "C:\Program Files\OpenVPN\bin\openvpnserv2.exe"
      1⤵
      • Executes dropped EXE
      PID:5524
    • C:\Program Files\OpenVPN\bin\openvpnserv2.exe
      "C:\Program Files\OpenVPN\bin\openvpnserv2.exe"
      1⤵
      • Executes dropped EXE
      PID:4500
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:3656

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e59c877.rbs

            • Path C:\Config.Msi\e59c877.rbs
            • Size 876KB
            • SHA256 b0f650fd70487199d8cf1d3cac2173b5fab4984fa3aef874e8086e773336384b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ovpn-dco.cat

            • Path C:\PROGRA~1\COMMON~1\ovpn-dco\Win11\ovpn-dco.cat
            • Size 11KB
            • SHA256 8c9456aeacd5566234519b5b34ceecd0f7ebb22f6813747e595f5945517ec438
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ovpn-dco.sys

            • Path C:\PROGRA~1\COMMON~1\ovpn-dco\Win11\ovpn-dco.sys
            • Size 90KB
            • SHA256 2c2958dac6f36922ae094705e058bf6470e1622b31318fb9fe0db5457e383f45
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ovpn-dco.inf

            • Path C:\Program Files\Common Files\ovpn-dco\Win11\ovpn-dco.inf
            • Size 2KB
            • SHA256 1f6c35bc11d910f91c32ea54894d0fddb0094876bdd526d04a9287d04d636242
            • MD5 SHA1 SHA512 TLSH

            VCRUNTIME140.dll

            • Path C:\Program Files\OpenVPN\bin\VCRUNTIME140.dll
            • Size 94KB
            • SHA256 c51c64dfb7c445ecf0001f69c27e13299ddcfba0780efa72b866a7487b7491c7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libcrypto-3-x64.dll

            • Path C:\Program Files\OpenVPN\bin\libcrypto-3-x64.dll
            • Size 4.6MB
            • SHA256 71270ed463648bcbe45829cbc0ce3827faf3267e46d530ae0a82d9bc0c619ec0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libpkcs11-helper-1.dll

            • Path C:\Program Files\OpenVPN\bin\libpkcs11-helper-1.dll
            • Size 111KB
            • SHA256 e2500ded6e44090f0c76528903269938a029bee206fde25adac040d6e3a124f7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libssl-3-x64.dll

            • Path C:\Program Files\OpenVPN\bin\libssl-3-x64.dll
            • Size 818KB
            • SHA256 c681893dd0c9f86e7f405792dec32adab33cb899cbd3b2ddda533e28f577ab6d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            openvpn-gui.exe

            • Path C:\Program Files\OpenVPN\bin\openvpn-gui.exe
            • Size 1.1MB
            • SHA256 1f07550f3decbfd7c8737694001ee13c26de84ef498dc493d313a79db2080646
            • MD5 SHA1 SHA512 SSDEEP TLSH

            openvpn-plap-install.reg

            • Path C:\Program Files\OpenVPN\bin\openvpn-plap-install.reg
            • Size 454B
            • SHA256 18b542b3de918da103ea6d79f3be0c5af8349502dc9c673f2db5b6f05dc57d35
            • MD5 SHA1 SHA512 TLSH

            openvpn.exe

            • Path C:\Program Files\OpenVPN\bin\openvpn.exe
            • Size 1019KB
            • SHA256 89479084f420ca55864c957a689971c327209d9c0e7ea4302df947e7cefff8c2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            openvpnserv.exe

            • Path C:\Program Files\OpenVPN\bin\openvpnserv.exe
            • Size 64KB
            • SHA256 4d7ba182e89f2869b650ac80a34b8f347deb360a3872ee9dca130168b32c87fa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            openvpnserv2.exe

            • Path C:\Program Files\OpenVPN\bin\openvpnserv2.exe
            • Size 23KB
            • SHA256 d1e995a2d32e7833a369aa849e8b877162e07c1a161c6dccb95ca2052fc8b1e7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tapctl.exe

            • Path C:\Program Files\OpenVPN\bin\tapctl.exe
            • Size 41KB
            • SHA256 d5aab270d61d7d1709e85ba81525be5948ae5bf397bb7b12a11e11ba0788ecd1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI4915.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI4915.tmp
            • Size 209KB
            • SHA256 8351a40a632facd1f79a1bccfe8e32e88876a23065be1144621533700ecb05ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSIDA99.tmp

            • Path C:\Windows\Installer\MSIDA99.tmp
            • Size 275KB
            • SHA256 fb1cd5e7c3ea30dfafd3cc1862e311388361d896610db28c63716da9d71e8f3f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSIDB07.tmp

            • Path C:\Windows\Installer\MSIDB07.tmp
            • Size 281KB
            • SHA256 45e855461f5d1be28a2f88416603070bd1778055abdd06834ae58e97b7ddf53c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSIDB47.tmp

            • Path C:\Windows\Installer\MSIDB47.tmp
            • Size 143KB
            • SHA256 2738720da0b6ce474ca6eb51a92372d047eca2d713c256f0cd6c147ac3a0db21
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e59c876.msi

            • Path C:\Windows\Installer\e59c876.msi
            • Size 5.5MB
            • SHA256 19bca902826ef0dc9a6cf849297ce43ba8b2844bdb913c37230308d3274c953c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            dberr.txt

            • Path C:\Windows\System32\CatRoot2\dberr.txt
            • Size 64KB
            • SHA256 3aca9d8e564fd20758f56f2684166950049e3bc96bc82b6d5654dd2af8673b6e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            dberr.txt

            • Path C:\Windows\System32\CatRoot2\dberr.txt
            • Size 64KB
            • SHA256 5aa8e4cf4fde23786f1dba82cac6a7563b734640bc77a0995848626f0c838d6d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            oemvista.inf_amd64_ba3e477187f1080b.ini

            • Path C:\Windows\System32\DriverStore\FileRepository\oemvista.inf_amd64_ba3e477187f1080b.ini
            • Size 421B
            • SHA256 ab42dc4c6fc64ec110ee772319a4933bc02232dfc86b9aa09fc7bf2ac7a7ccd0
            • MD5 SHA1 SHA512 TLSH

            ovpn-dco.inf_amd64_b737bb7e846ccda6.ini

            • Path C:\Windows\System32\DriverStore\FileRepository\ovpn-dco.inf_amd64_b737bb7e846ccda6.ini
            • Size 420B
            • SHA256 1e91c8a57c688e0dad0b9704c8d4aa53008d9bbf862359f62ddb0a764c11f5d0
            • MD5 SHA1 SHA512 TLSH

            wintun.inf_amd64_def3401515466414.ini

            • Path C:\Windows\System32\DriverStore\FileRepository\wintun.inf_amd64_def3401515466414.ini
            • Size 415B
            • SHA256 3e65a01388f27e49b16577a3780f7482d0fddc882276ade105f7c1164c51223a
            • MD5 SHA1 SHA512 TLSH

            tap0901.cat

            • Path C:\Windows\Temp\881A8C~1\tap0901.cat
            • Size 11KB
            • SHA256 ee062e5ef2743ceab10c64830e4cefe52e35cc1ece85947ac4e61ddd1c0b05f7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tap0901.sys

            • Path C:\Windows\Temp\881A8C~1\tap0901.sys
            • Size 40KB
            • SHA256 581dcaace05d5c1ac9512457ff50565aca5d904d2c209bd3fc369ca4d4a0d2b1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            OemVista.inf

            • Path C:\Windows\Temp\881a8cc9db02fdf9559b51d18fbd2e6f08b3d3e401eb4e5c8b8bd6865e531ca2\OemVista.inf
            • Size 7KB
            • SHA256 1327ab3a8c50691f04bea8e2ca356c5b604092a719e219464f8cc4b42e192de9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wintun.cat

            • Path C:\Windows\Temp\E8D2D8~1\wintun.cat
            • Size 9KB
            • SHA256 602187e5470ddbdf9421045bb0515f358c88bf88f59fd8a886fb6373da5d0f82
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wintun.sys

            • Path C:\Windows\Temp\E8D2D8~1\wintun.sys
            • Size 37KB
            • SHA256 eb58bf00df7b4f98334178e75df3348c609ea5c6c74cf7f185f363aa23976c8b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            wintun.inf

            • Path C:\Windows\Temp\e8d2d80df3889cacb77fe6bc38926dfdf5da0b9b313ab4f0c6c40b43fb604b3c\wintun.inf
            • Size 1KB
            • SHA256 44098408ab9611dd99a38e140c7fb1ca5dce6eb2d5f0d5e500547ac1ba5d235b
            • MD5 SHA1 SHA512 TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 4bee427f9e91aeeab17abd96b16148ad6bad7be15386de1e2c719fc98cefeb77
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {8047e7d5-2049-4f80-82da-eef49a2a1b1e}_OnDiskSnapshotProp

            • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{8047e7d5-2049-4f80-82da-eef49a2a1b1e}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 1135d7d068d14be987ffa57f34b25d9d5e98dc2bb6913e42703b2333da26d3fd
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/5524-390-0x0000000000B20000-0x0000000000B2A000-memory.dmp