Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 23:21

General

  • Target
    softether-vpnclient-v4.44-9807-rtm-2025.04.16-windows-x86_x64-intel.exe
  • Size 53.6MB
  • Sample260809-3cbkcaxcph
  • SHA256 ab006331f1f646bc319585088239d55bc54ecde5c269009268e9598307da7a44
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
5/10

Malware Config

Signatures

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\softether-vpnclient-v4.44-9807-rtm-2025.04.16-windows-x86_x64-intel.exe
    "C:\Users\Admin\AppData\Local\Temp\softether-vpnclient-v4.44-9807-rtm-2025.04.16-windows-x86_x64-intel.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpnsetup.exe
      "C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpnsetup.exe" /CALLERSFXPATH:"C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\installer.cache" /ISEASYINSTALLER:0
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\system32\cscript.exe "C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_3F9E8E1CB7C0.vbs"
        3⤵
        • Executes a VBScript file via the Windows Script Host.
        • System Location Discovery: System Language Discovery
        PID:2896
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\system32\cscript.exe "C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_59FA81299D88.vbs"
        3⤵
        • Executes a VBScript file via the Windows Script Host.
        • System Location Discovery: System Language Discovery
        PID:6028
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\system32\cscript.exe "C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_89AD128FE28C.vbs"
        3⤵
        • Executes a VBScript file via the Windows Script Host.
        • System Location Discovery: System Language Discovery
        PID:3368
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\system32\cscript.exe "C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_CA716D49A0A6.vbs"
        3⤵
        • Executes a VBScript file via the Windows Script Host.
        • System Location Discovery: System Language Discovery
        PID:1424
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\system32\cscript.exe "C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_A41FC1775011.vbs"
        3⤵
        • Executes a VBScript file via the Windows Script Host.
        • System Location Discovery: System Language Discovery
        PID:2992
      • C:\Windows\SysWOW64\cscript.exe
        C:\Windows\system32\cscript.exe "C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_B38D910E955D.vbs"
        3⤵
        • Executes a VBScript file via the Windows Script Host.
        • System Location Discovery: System Language Discovery
        PID:4724
      • C:\Users\Admin\AppData\Roaming\SoftEther VPN Client\vpnclient_x64.exe
        "C:\Users\Admin\AppData\Roaming\SoftEther VPN Client\vpnclient_x64.exe" /usermode
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1844 -s 616
        3⤵
        • Program crash
        PID:1448
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5128
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1844 -ip 1844
      1⤵
        PID:1240

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            hamcore.se2

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\hamcore.se2
            • Size 22.1MB
            • SHA256 ef14f333cce4ed853ccde0075142851e9258040a4e794b13113f8f192556ad16
            • MD5 SHA1 SHA512 SSDEEP TLSH

            install_src.dat

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\install_src.dat
            • Size 13B
            • SHA256 a14e2262c62cbab88292046dc872d920792e29f35abd1daf536e31be52c8e1a7
            • MD5 SHA1 SHA512

            vpnclient.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpnclient.exe
            • Size 5.3MB
            • SHA256 6b1360724373bd1666a31f72dfe9c466931acee37dbec36a4e0608396dfed095
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpnclient_x64.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpnclient_x64.exe
            • Size 6.7MB
            • SHA256 58e64e25ba2e9d155ca6950de03b2c4b2c2a88e2f742cd53ddb96e9abda2fbb5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpncmd.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpncmd.exe
            • Size 5.3MB
            • SHA256 d09745d77b02b077384af4f56a1d6a03b7ed9dd8cbe2fe26cd07d822cfe3cab0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpncmd_x64.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpncmd_x64.exe
            • Size 6.7MB
            • SHA256 6b006be36e081d42f3ecccfb237e06505542aaad807cc7520aaeaf3e7125e022
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpncmgr.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpncmgr.exe
            • Size 5.4MB
            • SHA256 5f43266fe190791fdd2226a243a28d6adb65ecf0172daf552c8d529f6b052ee4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpncmgr_x64.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpncmgr_x64.exe
            • Size 6.9MB
            • SHA256 a6bd522824ec719f9a4f4922b20a4634549d9feb8fdf50417d060e3ce59a0a84
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpninstall.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpninstall.exe
            • Size 5.4MB
            • SHA256 941a715136fad9d4c6cde1f8dafb288872f6eba64d34c7799c05339762e1a8c9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpnsetup.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpnsetup.exe
            • Size 6.2MB
            • SHA256 7b39e1981e5e7b1386d56631a5f952b599bd1756e6d711b0f4305cd0f152a369
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpnsetup_x64.exe

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpnsetup_x64.exe
            • Size 7.6MB
            • SHA256 46ede0a42ca7408ef997e47dedfe66a825be2b10b0b5fbeb9b87e5a8525a7668
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vpnweb.cab

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_6DB7\vpnweb.cab
            • Size 213KB
            • SHA256 c3398437369d621d2cf46664b0416b1eb2f4e395bef244d04b10364b24a3a302
            • MD5 SHA1 SHA512 SSDEEP TLSH

            9218E5A4.dll

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\9218E5A4.dll
            • Size 5.3MB
            • SHA256 af17ddfcf02a27bc542501be3a2801d0c891a6e39452b9c5b7ac4bf2447536eb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            winfire_3F9E8E1CB7C0.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_3F9E8E1CB7C0.vbs
            • Size 604B
            • SHA256 94ccdf57db12d9a2f30ba4f76e9c27739263ec7c33436350784e84ca455f37af
            • MD5 SHA1 SHA512 TLSH

            winfire_59FA81299D88.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_59FA81299D88.vbs
            • Size 608B
            • SHA256 68358882e171fcb2adf921a31f44550e0d6e2b1e5785041bb17bcc175d5e2276
            • MD5 SHA1 SHA512 TLSH

            winfire_89AD128FE28C.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_89AD128FE28C.vbs
            • Size 640B
            • SHA256 36598758f304b892179ab136df49225c72ed7ba0d0d1823a9db25cc42470cfe4
            • MD5 SHA1 SHA512 TLSH

            winfire_A41FC1775011.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_A41FC1775011.vbs
            • Size 635B
            • SHA256 7f58dfa05d1961d56d5cdcdf31a43552ea680ccce99f34cc22ccb952eca34848
            • MD5 SHA1 SHA512 TLSH

            winfire_B38D910E955D.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_B38D910E955D.vbs
            • Size 639B
            • SHA256 64e5a321a9c9a8bf8028c22c57b3d60c80a885ed59b3f823d5927fe9a06d3581
            • MD5 SHA1 SHA512 TLSH

            winfire_CA716D49A0A6.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_8CDD\winfire_CA716D49A0A6.vbs
            • Size 644B
            • SHA256 c6c0d7d0a0fad460f0c73ad723dab6dc62f3f49e919bbc29e46c04bc918106aa
            • MD5 SHA1 SHA512 TLSH

            0FC343C0.dll

            • Path C:\Users\Admin\AppData\Local\Temp\VPN_E7E8\0FC343C0.dll
            • Size 199KB
            • SHA256 676b997f913bef15fef33edf7dc93ca45649552d2b11df177a6ac5becc72d788
            • MD5 SHA1 SHA512 SSDEEP TLSH

            lang.config

            • Path C:\Users\Admin\AppData\Roaming\SoftEther VPN Client\lang.config
            • Size 867B
            • SHA256 198a807286efe5d84bcccd01ca6d2e4b71dd0b4024919406395483117b745b81
            • MD5 SHA1 SHA512 TLSH