Overview

overview

8

Static

static

3

parsec-windows.exe

windows10-2004-x64

4

parsec-windows.exe

windows11-ltsc_2024-x64

4

$PLUGINSDI...ID.dll

windows10-2004-x64

3

$PLUGINSDI...ID.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows11-ltsc_2024-x64

3

parsecd.exe

windows10-2004-x64

1

parsecd.exe

windows11-ltsc_2024-x64

1

pservice.exe

windows10-2004-x64

1

pservice.exe

windows11-ltsc_2024-x64

1

skel/parse...4a.dll

windows10-2004-x64

5

skel/parse...4a.dll

windows11-ltsc_2024-x64

5

teams.exe

windows10-2004-x64

1

teams.exe

windows11-ltsc_2024-x64

1

vdd/parsec-vdd.exe

windows10-2004-x64

8

vdd/parsec-vdd.exe

windows11-ltsc_2024-x64

8

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows11-ltsc_2024-x64

3

driver/mm.dll

windows10-2004-x64

1

nefconw.exe

windows10-2004-x64

1

nefconw.exe

windows11-ltsc_2024-x64

1

vddinstall.bat

windows10-2004-x64

8

vddinstall.bat

windows11-ltsc_2024-x64

8

vdduninstall.bat

windows10-2004-x64

4

vdduninstall.bat

windows11-ltsc_2024-x64

4

vusb/parsec-vud.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/09/2026, 04:37

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General

  • Target
    vusb/parsec-vud.exe
  • Size 892KB
  • Sample260905-e8645atvbw
  • SHA256 f8db024b61c36e5d45ca5b485bf855dbfe1d0523333158e873d7deb4d86ec0e4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoveryexecutionpersistence

Malware Config

Signatures

  • Drops file in Drivers directory 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 32 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 12 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 64 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vusb\parsec-vud.exe
    "C:\Users\Admin\AppData\Local\Temp\vusb\parsec-vud.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c "C:\Program Files\Parsec Virtual USB Adapter Driver\nefconc.exe" --find-hwid --hardware-id VUSBA
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Program Files\Parsec Virtual USB Adapter Driver\nefconc.exe
        "C:\Program Files\Parsec Virtual USB Adapter Driver\nefconc.exe" --find-hwid --hardware-id VUSBA
        3⤵
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        PID:4896
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files\Parsec Virtual USB Adapter Driver\vusbinstall.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:468
      • C:\Program Files\Parsec Virtual USB Adapter Driver\nefconw.exe
        nefconw.exe --create-device-node --hardware-id Root\Parsec\VUSBA --class-name USB --class-guid "36fc9e60-c465-11cf-8056-444553540000"
        3⤵
        • Executes dropped EXE
        PID:4336
      • C:\Program Files\Parsec Virtual USB Adapter Driver\nefconw.exe
        nefconw.exe --install-driver --inf-path ".\parsecvusba\parsecvusba.inf"
        3⤵
        • Drops file in Windows directory
        • Executes dropped EXE
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:1872
      • C:\Program Files\Parsec Virtual USB Adapter Driver\nefconw.exe
        nefconw.exe --inf-default-install --inf-path ".\parsecvirtualds\parsecvirtualds.inf"
        3⤵
        • Adds Run key to start application
        • Drops file in Windows directory
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4588
        • C:\Windows\system32\runonce.exe
          "C:\Windows\system32\runonce.exe" -r
          4⤵
          • Checks processor information in registry
          • Suspicious use of WriteProcessMemory
          PID:2088
          • C:\Windows\System32\grpconv.exe
            "C:\Windows\System32\grpconv.exe" -o
            5⤵
              PID:3376
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k DcomLaunch -p -s DeviceInstall
      1⤵
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{f0ff042d-5262-2d48-adf5-8ff73e6a5896}\parsecvusba.inf" "9" "464910f03" "000000000000014C" "WinSta0\Default" "0000000000000164" "208" "C:\Program Files\Parsec Virtual USB Adapter Driver\parsecvusba"
        2⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Modifies data under HKEY_USERS
        PID:4316
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "2" "201" "ROOT\USB\0000" "C:\Windows\System32\DriverStore\FileRepository\parsecvusba.inf_amd64_4e0e9795c1e12fd4\parsecvusba.inf" "oem3.inf:*:*:0.3.10.0:Root\Parsec\VUSBA," "464910f03" "000000000000014C"
        2⤵
        • Drops file in Drivers directory
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:3044
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "4" "0" "C:\Users\Admin\AppData\Local\Temp\{c918a634-667d-ba4d-a105-31331fcfc4dc}\parsecvirtualds.inf" "9" "43799a85b" "000000000000015C" "WinSta0\Default" "0000000000000174" "208" "C:\Program Files\Parsec Virtual USB Adapter Driver\parsecvirtualds"
        2⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Checks SCSI registry key(s)
        • Modifies data under HKEY_USERS
        PID:212
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "8" "4" "C:\Windows\System32\DriverStore\FileRepository\parsecvirtualds.inf_amd64_37113b1521fc4458\parsecvirtualds.inf" "0" "43799a85b" "0000000000000174" "WinSta0\Default"
        2⤵
        • Drops file in Drivers directory
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:3444
      • C:\Windows\system32\DrvInst.exe
        DrvInst.exe "8" "4" "C:\Windows\System32\DriverStore\FileRepository\parsecvirtualds.inf_amd64_37113b1521fc4458\parsecvirtualds.inf" "0" "4fea13f63" "000000000000017C" "WinSta0\Default"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:3728
    • C:\Windows\system32\grpconv.exe
      grpconv -o
      1⤵
        PID:3544

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            parsecvusba.cat
            • Path C:\PROGRA~1\PARSEC~1\PARSEC~1\parsecvusba.cat
            • Size 11KB
            • SHA256 7b524bc6d08c0d823dd23483232b1fc68450158ab9f16c7aece2db2532fa13a5
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            parsecvusba.sys
            • Path C:\PROGRA~1\PARSEC~1\PARSEC~1\parsecvusba.sys
            • Size 269KB
            • SHA256 dc24fa47b151fe4fb604b47ec495f2b8911380064d964ad6adbd148d98631e74
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            parsecvirtualds.cat
            • Path C:\PROGRA~1\PARSEC~1\PARSEC~2\parsecvirtualds.cat
            • Size 11KB
            • SHA256 5b1e3b5cc9d372a603212df05317e3c21d675d25072adff5d9bffc83f9494aad
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            nefconc.exe
            • Path C:\Program Files\Parsec Virtual USB Adapter Driver\nefconc.exe
            • Size 582KB
            • SHA256 002cbd46bbfaa2d9e04a578f7200711b5740bda119166f111e2590d8b19d3e68
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            nefconw.exe
            • Path C:\Program Files\Parsec Virtual USB Adapter Driver\nefconw.exe
            • Size 574KB
            • SHA256 cf746d1b0bbb713993d4a90dccd774c78d9fff8c2ba5a054b6c8f56c77e1eee1
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            parsecvirtualds.inf
            • Path C:\Program Files\Parsec Virtual USB Adapter Driver\parsecvirtualds\parsecvirtualds.inf
            • Size 1KB
            • SHA256 6a1f40f2676f15136127300e016cc4bea6d81c7172b803fcca0a5c2b88ac0b65
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            parsecvusba.inf
            • Path C:\Program Files\Parsec Virtual USB Adapter Driver\parsecvusba\parsecvusba.inf
            • Size 2KB
            • SHA256 95e9899b2acf64052ea5c09cbde901f9bbd6b13b5c843ae999ac6d3429344de8
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            vusbinstall.bat
            • Path C:\Program Files\Parsec Virtual USB Adapter Driver\vusbinstall.bat
            • Size 327B
            • SHA256 94ee200ca574dd4499779048db279264c872833c96a500e0f49b1342ee5f4802
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            System.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nssB1D7.tmp\System.dll
            • Size 12KB
            • SHA256 23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            UserInfo.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nssB1D7.tmp\UserInfo.dll
            • Size 4KB
            • SHA256 a921cc9cc4af332be96186d60d2539cb413dfa44cfd73e85687f9338505ff85e
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            nsDialogs.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nssB1D7.tmp\nsDialogs.dll
            • Size 9KB
            • SHA256 89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            nsExec.dll
            • Path C:\Users\Admin\AppData\Local\Temp\nssB1D7.tmp\nsExec.dll
            • Size 7KB
            • SHA256 2cd3a2d4053954db1196e2526545c36dfc138c6de9b81f6264632f3132843c77
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            parsecvirtualds.sys
            • Path C:\Users\Admin\AppData\Local\Temp\{c918a634-667d-ba4d-a105-31331fcfc4dc}\parsecvirtualds.sys
            • Size 26KB
            • SHA256 8638b464e103eeba9e89fba91b38d366d4674c4d92629bb76aae1dfd40927fe0
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            dberr.txt
            • Path C:\Windows\System32\CatRoot2\dberr.txt
            • Size 40KB
            • SHA256 c7acfd69a0a598175c15bd623ebcb41116aadda323a77aaf2bc2a407aa47c8dc
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/4588-111-0x00007FF8F9000000-0x00007FF8F9010000-memory.dmp
            Download