Analysis

  • max time kernel
    150s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 23:16

General

  • Target
    2026-07-22_cd93441e964fca7c15d70df7316ddc66_elex_stop_yuner.exe
  • Size 512KB
  • Sample260722-289xcadd32
  • SHA256 3eed10d5c41920da5a8081c9620f9c0c9a85dd0c73d4436dc1e7f6f0361fa783
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Sohanad, Svich

    Sohanad is a worm written in C++.

  • Detects Sohanad worm 11 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-22_cd93441e964fca7c15d70df7316ddc66_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-22_cd93441e964fca7c15d70df7316ddc66_elex_stop_yuner.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:5980
    • C:\Windows\SysWOW64\gudqauhscn.exe
      gudqauhscn.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visibility of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3688
      • C:\Windows\SysWOW64\syfurmpt.exe
        C:\Windows\system32\syfurmpt.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2308
    • C:\Windows\SysWOW64\owojfihntfueiaa.exe
      owojfihntfueiaa.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5400
    • C:\Windows\SysWOW64\syfurmpt.exe
      syfurmpt.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5976
    • C:\Windows\SysWOW64\mzvhwzycssaks.exe
      mzvhwzycssaks.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4976
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:1964

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        iso690.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCD426B.tmp\iso690.xsl
        • Size 263KB
        • SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 335B
        • SHA256 7b24b1bacc0d85887d290ee2e8efc327d2a71eaf8d1f113ff5b8fd4a6f4353e9
        • MD5 SHA1 SHA512 TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 2KB
        • SHA256 f430773cc3be56b6d921605f5f6cd7452a3f4d95e07519c1238c3a52fdb4c808
        • MD5 SHA1 SHA512 TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 4f40f919ac3cf1ef8dc9a65e4f09dc391c1ece679cc9499c7ac0b3fad7ef0bc9
        • MD5 SHA1 SHA512 TLSH

        ExitInstall.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\UnpublishEdit\ExitInstall.doc.exe
        • Size 512KB
        • SHA256 da069a155d1c9c4f43a550dda1b6495ced24ae7960898f23609e71e215714f49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ImportTest.doc.exe

        • Path C:\Users\Admin\Music\ImportTest.doc.exe
        • Size 512KB
        • SHA256 ef0b88f2956e75e774fac4d25e9626a0ed806b65bd71787540636799b862cac9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gudqauhscn.exe

        • Path C:\Windows\SysWOW64\gudqauhscn.exe
        • Size 512KB
        • SHA256 31c5fb6d1d6ed0e25b7da652b6143076b2689162de9dc2f5c8458f6e4abcf8e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mzvhwzycssaks.exe

        • Path C:\Windows\SysWOW64\mzvhwzycssaks.exe
        • Size 512KB
        • SHA256 6547c8336ca7f3da5031fb33326f6afe9134f6794663a5e35a71bdf473ff4836
        • MD5 SHA1 SHA512 SSDEEP TLSH

        owojfihntfueiaa.exe

        • Path C:\Windows\SysWOW64\owojfihntfueiaa.exe
        • Size 512KB
        • SHA256 5fca033371f9e9dbed78af559509476b2f06c392b7a68628aa54f4a43e8a775e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        syfurmpt.exe

        • Path C:\Windows\SysWOW64\syfurmpt.exe
        • Size 512KB
        • SHA256 b5d35a0af460a8a824295021819110a5f4c05223a610afaa833009355a883880
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mydoc.rtf

        • Path C:\Windows\mydoc.rtf
        • Size 223B
        • SHA256 85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
        • MD5 SHA1 SHA512 TLSH

        PROTTPLV.DOC.exe

        • Path \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 13ff377dc5e9e49f218eb2ed00078aaca802ba09935ed675349eaa7369136105
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ResolveRestore.doc.exe

        • Path \??\c:\Users\Admin\AppData\Roaming\ConvertToRevoke\ResolveRestore.doc.exe
        • Size 512KB
        • SHA256 03030217e3b5b08f5f7a1d62ee67b1b048ccdc18e421ba7d58c71f97413c3d57
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OutFind.doc.exe

        • Path \??\c:\Users\Admin\AppData\Roaming\ReceiveMount\OutFind.doc.exe
        • Size 512KB
        • SHA256 946cf4f804ef5b91e923ca50b5163007cfdbc7c1fb07e86f9de1b9844ec71ddb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 accec144dbb7e9d5209faaec58d229b4ff26f1c5daaa4ca20aab267341b25422
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 b1ac52d6ab454ef96ae5c3726657519619975e798279b469a04e254a4b860ac1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1964-457-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-38-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-37-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-35-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-36-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-39-0x00007FFCE9770000-0x00007FFCE9780000-memory.dmp

        memory/1964-34-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-40-0x00007FFCE9770000-0x00007FFCE9780000-memory.dmp

        memory/1964-456-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-459-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/1964-458-0x00007FFCEBA60000-0x00007FFCEBA70000-memory.dmp

        memory/5980-0-0x0000000000400000-0x0000000000496000-memory.dmp