Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/10/2026, 16:24

General

  • Target
    2026-10-02_1d03f7494eb51777a0d2e5cad9b715ae_elex_stop_yuner.exe
  • Size 512KB
  • Sample261003-twwvystybv
  • SHA256 e37ee1d66a44e5ff882cb1bddd4c094ebbd1d7f9c534caf9c2f73a0a72b5470e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Sohanad, Svich

    Sohanad is a worm written in C++.

  • Detects Sohanad worm 8 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 9 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 11 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.

  • 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 20 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-02_1d03f7494eb51777a0d2e5cad9b715ae_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-02_1d03f7494eb51777a0d2e5cad9b715ae_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:2500
    • C:\Windows\SysWOW64\mwrfdcltzi.exe
      mwrfdcltzi.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
      • Reads the TCP/IP host and domain name from the registry
      • 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:1336
      • C:\Windows\SysWOW64\uuizdgcu.exe
        C:\Windows\system32\uuizdgcu.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 behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4584
    • C:\Windows\SysWOW64\chyujkeciwlbwyv.exe
      chyujkeciwlbwyv.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:3080
    • C:\Windows\SysWOW64\uuizdgcu.exe
      uuizdgcu.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:2052
    • C:\Windows\SysWOW64\slvxiomclascu.exe
      slvxiomclascu.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4996
    • 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 FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:3184

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 a1b75c2203e28b907e001800924415637f146341247b690d585fb57379382355
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gb.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCDAC86.tmp\gb.xsl
        • Size 262KB
        • SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC24.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC24.tmp
        • Size 32KB
        • SHA256 3c6f66790c543d4e9d8e0e6f476b1acadf0a5fcdd561b8484d8dddadfdf8134b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC35.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC35.tmp
        • Size 34KB
        • SHA256 9e46b8ba0bad6e534af33015c86396c33c5088d3ae5389217a5e90ba68252374
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC36.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC36.tmp
        • Size 30KB
        • SHA256 434576eb1a16c2d14d666a33edde76717c896d79f45df56742afd90acb9f21ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC37.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC37.tmp
        • Size 30KB
        • SHA256 8077c92c66d15d7e03fbff3a48bd9576b80f698a36a44316eaba81ee8043b673
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC38.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC38.tmp
        • Size 34KB
        • SHA256 23ccfb7206a8f77a13080998ec6ef95b59b3c3e12b72b2d2ad4e53b0b26bb8c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC39.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC39.tmp
        • Size 30KB
        • SHA256 7e1a90cdb2ba7f03abcb4687f0931858bf57e13552e0e4e54ec69a27325011ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC4A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC4A.tmp
        • Size 30KB
        • SHA256 cebe759bc4509700e3d23c6a5df8d889132a60ebc92260a74947eaa1089e2789
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC4B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC4B.tmp
        • Size 30KB
        • SHA256 e0100320a4f63e07c77138a89ea24a1cbd69784a89fe3bf83e35576114b4ce02
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC5B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC5B.tmp
        • Size 28KB
        • SHA256 da2f261c3c82e229a097a9302c8580f014bb6442825db47c008da097cfce0ee4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC5C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC5C.tmp
        • Size 31KB
        • SHA256 5d13f9907ac381d19f0a7552fd6d9fc07c9bd42c0f9ce017fff75587e1890375
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAC6D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAC6D.tmp
        • Size 30KB
        • SHA256 d250eb1f93b43efb7654b831b4183c9caec2d12d4efee8607fee70b9fab20730
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAD06.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAD06.tmp
        • Size 45KB
        • SHA256 40e9af9284ff07fdb75c33a11a794f5333712baa4a6cf82fa529fbaf5ad0fed0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAD16.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAD16.tmp
        • Size 32KB
        • SHA256 df3fff163924d08517b41455f2d06788ba4e49c68337d15ecf329be48cf7da2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAD19.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAD19.tmp
        • Size 270KB
        • SHA256 b4bc3cd34bd328aaf68289cc0ed4d5cf8167f1ee1d7be20232ed4747ff96a80a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FormatMeasure.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\FormatMeasure.doc.exe
        • Size 512KB
        • SHA256 c8837745e21882b2616c6f423dc491dda0e7eac6ea970f66c17b46e97128e489
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 276B
        • SHA256 14c062f0fa4666cd19f4badf8c20b6a76f54765712b6db00c4907dc7c7812f11
        • MD5 SHA1 SHA512 TLSH

        CUSTOM.DIC

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
        • Size 16B
        • SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
        • MD5 SHA1 SHA512

        IC51EBDO6QFJA2MI3YAT.temp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IC51EBDO6QFJA2MI3YAT.temp
        • Size 1KB
        • SHA256 269e6bf19dfc8f8d2b92847762e1a8585f6390468f8fadcb264901a6fbbb232a
        • MD5 SHA1 SHA512 TLSH

        S4GUGKZ9G71YEBW2BROT.temp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S4GUGKZ9G71YEBW2BROT.temp
        • Size 1KB
        • SHA256 b0430a3a60ed1a81403a88ed8107acb3a3d4dfd4c85f943dd39247cd11ecca59
        • MD5 SHA1 SHA512 TLSH

        chyujkeciwlbwyv.exe

        • Path C:\Windows\SysWOW64\chyujkeciwlbwyv.exe
        • Size 512KB
        • SHA256 818d8fb74ef1f8ca609b4147ba90b3c711307a64a3074dae0ab516343a928aab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mwrfdcltzi.exe

        • Path C:\Windows\SysWOW64\mwrfdcltzi.exe
        • Size 512KB
        • SHA256 df2dce871cb464883eae08ed5707102c102b6a432d1293bf0f3fe58809d3415e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        slvxiomclascu.exe

        • Path C:\Windows\SysWOW64\slvxiomclascu.exe
        • Size 512KB
        • SHA256 0f702430b2f63758c1529cdc1bfa8ab5d186c2c4524842a5b5105a325dbb0817
        • MD5 SHA1 SHA512 SSDEEP TLSH

        uuizdgcu.exe

        • Path C:\Windows\SysWOW64\uuizdgcu.exe
        • Size 512KB
        • SHA256 a7203f509926d67a285eea62c3473c708c6ecd0a192cc04efefc4d2bbde7553d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mydoc.rtf

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

        PROTTPLN.DOC.exe

        • Path \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 3df7b98b129db229d8caec1e30cc36cca19f12bb31e2be112e8f460c4146f4f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 6f61fd92ecb1490174a409ee0f7f1a0cb4e76d580ed8aed1e3b716cec462b1d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2500-0-0x0000000000400000-0x0000000000496000-memory.dmp

        memory/3184-42-0x00007FFC75660000-0x00007FFC75670000-memory.dmp

        memory/3184-35-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-36-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-41-0x00007FFC75660000-0x00007FFC75670000-memory.dmp

        memory/3184-38-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-37-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-34-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-234-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-237-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-236-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp

        memory/3184-235-0x00007FFC780C0000-0x00007FFC780D0000-memory.dmp