Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 19:55

General

  • Target
    2026-10-22_cf693ef569f9e35754801449d38330fb_elex_stop_yuner.exe
  • Size 514KB
  • Sample261023-ynad7sdv6x
  • SHA256 2fcfd865a8123ce73a897bfca00c9cb1d22cad2409a976fd70ae45800d3c75d0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Sohanad, Svich

    Sohanad is a worm written in C++.

  • Detects Sohanad worm 7 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 8 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 21 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 18 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\2026-10-22_cf693ef569f9e35754801449d38330fb_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_cf693ef569f9e35754801449d38330fb_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:4480
    • C:\Windows\SysWOW64\fkptpopejw.exe
      fkptpopejw.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:3216
      • C:\Windows\SysWOW64\tbakujzw.exe
        C:\Windows\system32\tbakujzw.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:4652
    • C:\Windows\SysWOW64\faqsslrcbyuigal.exe
      faqsslrcbyuigal.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:1000
    • C:\Windows\SysWOW64\tbakujzw.exe
      tbakujzw.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:5744
    • C:\Windows\SysWOW64\iutxvcvrgdyrs.exe
      iutxvcvrgdyrs.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:920
    • 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:1216

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 514KB
        • SHA256 6f3661ca02bb864e25b74da6333c440a959a6e24c823fcd1afa5a4754c85fe2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACD0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACD0.tmp
        • Size 30KB
        • SHA256 8077c92c66d15d7e03fbff3a48bd9576b80f698a36a44316eaba81ee8043b673
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACE1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACE1.tmp
        • Size 34KB
        • SHA256 23ccfb7206a8f77a13080998ec6ef95b59b3c3e12b72b2d2ad4e53b0b26bb8c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACE2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACE2.tmp
        • Size 28KB
        • SHA256 da2f261c3c82e229a097a9302c8580f014bb6442825db47c008da097cfce0ee4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACE3.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACE3.tmp
        • Size 34KB
        • SHA256 9e46b8ba0bad6e534af33015c86396c33c5088d3ae5389217a5e90ba68252374
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACE4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACE4.tmp
        • Size 30KB
        • SHA256 434576eb1a16c2d14d666a33edde76717c896d79f45df56742afd90acb9f21ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACE5.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACE5.tmp
        • Size 32KB
        • SHA256 df3fff163924d08517b41455f2d06788ba4e49c68337d15ecf329be48cf7da2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACE6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACE6.tmp
        • Size 30KB
        • SHA256 cebe759bc4509700e3d23c6a5df8d889132a60ebc92260a74947eaa1089e2789
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACE7.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACE7.tmp
        • Size 30KB
        • SHA256 e0100320a4f63e07c77138a89ea24a1cbd69784a89fe3bf83e35576114b4ce02
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACF8.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACF8.tmp
        • Size 31KB
        • SHA256 5d13f9907ac381d19f0a7552fd6d9fc07c9bd42c0f9ce017fff75587e1890375
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACF9.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabACF9.tmp
        • Size 45KB
        • SHA256 40e9af9284ff07fdb75c33a11a794f5333712baa4a6cf82fa529fbaf5ad0fed0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabACFA.tmp

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

        cabAD0A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAD0A.tmp
        • Size 32KB
        • SHA256 3c6f66790c543d4e9d8e0e6f476b1acadf0a5fcdd561b8484d8dddadfdf8134b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabAD0B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabAD0B.tmp
        • Size 30KB
        • SHA256 d250eb1f93b43efb7654b831b4183c9caec2d12d4efee8607fee70b9fab20730
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabADB5.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabADB5.tmp
        • Size 41KB
        • SHA256 ae0c5a2c8377dba613c576b1ff73f01ae8ef4a3a4a10b078b5752fb712b3776c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cabB103.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cabB103.tmp
        • Size 3.3MB
        • SHA256 f2d2df37366f8e49106980377d2448080879027c380d90d5a25da3bdad771f8c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 441B
        • SHA256 d39d6d0f6aabefe9018a868809c9e1943c15e02f8229719f639bb3f84b48eef1
        • MD5 SHA1 SHA512 TLSH

        TM02851218[[fn=gb]].xsl

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\Managed\Word Document Bibliography Styles\TM02851218[[fn=gb]].xsl
        • Size 262KB
        • SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        A59NA7SCTK2ECBVUN4X8.temp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\A59NA7SCTK2ECBVUN4X8.temp
        • Size 3KB
        • SHA256 77264d68ff2938ee3d020a2a82ec147c498fd03f4c2e1109ee1b8ae7229719de
        • MD5 SHA1 SHA512 TLSH

        FZQTFFN3M6FQTZ6WDBXI.temp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FZQTFFN3M6FQTZ6WDBXI.temp
        • Size 2KB
        • SHA256 1fca2ccb1ceaadb4c6ad8df9da5177358da10e8d0e688aee548cf3ff3972eda9
        • MD5 SHA1 SHA512 TLSH

        PushCopy.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\PushCopy.doc.exe
        • Size 514KB
        • SHA256 407f2cb8642fce2938908e795bdb9078e4b7847e936a4dcfbb4b3943674afa5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        faqsslrcbyuigal.exe

        • Path C:\Windows\SysWOW64\faqsslrcbyuigal.exe
        • Size 514KB
        • SHA256 7e87058e0801a0b6e0a6a07395c8f4acba6eaef02531fe664fb595ae25865c86
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fkptpopejw.exe

        • Path C:\Windows\SysWOW64\fkptpopejw.exe
        • Size 514KB
        • SHA256 5b9585f8b16a2550c03f20cc143633d66dc1adb3a2f3fc11b220ef0c624fbeab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iutxvcvrgdyrs.exe

        • Path C:\Windows\SysWOW64\iutxvcvrgdyrs.exe
        • Size 514KB
        • SHA256 0ac8aa1862f50e189b8ac35840af8b07fcc442e29754b485c79dbce145795285
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tbakujzw.exe

        • Path C:\Windows\SysWOW64\tbakujzw.exe
        • Size 514KB
        • SHA256 f182afc2e285d6e35fce3ec1a9c954ea5ba437715930f31b75681d0d855ccef5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mydoc.rtf

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

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 514KB
        • SHA256 a6774a6154785b40d5076297184c3f2a01ed13e7108a74f2a2c8ea54c00d6c45
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1216-39-0x00007FFBD2870000-0x00007FFBD2880000-memory.dmp

        memory/1216-34-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-38-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-37-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-35-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-40-0x00007FFBD2870000-0x00007FFBD2880000-memory.dmp

        memory/1216-36-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-243-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-246-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-245-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/1216-244-0x00007FFBD4E20000-0x00007FFBD4E30000-memory.dmp

        memory/4480-0-0x0000000000400000-0x0000000000496000-memory.dmp