Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/08/2026, 17:29

General

  • Target
    2026-08-18_83f503f3446b256c5e78006beb8bd207_elex_stop_yuner.exe
  • Size 512KB
  • Sample260818-v2zdpsxamd
  • SHA256 b42ce615a1847ee83ae1602e3fd0377dac73eed0ee8f5fe26d2fe6a502d9ea03
  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 14 IoCs
  • Drops file in Windows directory 19 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 7 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-18_83f503f3446b256c5e78006beb8bd207_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-18_83f503f3446b256c5e78006beb8bd207_elex_stop_yuner.exe"
    1⤵
    • Checks computer location settings
    • 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:3644
    • C:\Windows\SysWOW64\xledfkuyqo.exe
      xledfkuyqo.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:2500
      • C:\Windows\SysWOW64\zbsfrcvs.exe
        C:\Windows\system32\zbsfrcvs.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:4532
    • C:\Windows\SysWOW64\nkyfqtqsnamzakf.exe
      nkyfqtqsnamzakf.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:3776
    • C:\Windows\SysWOW64\zbsfrcvs.exe
      zbsfrcvs.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:668
    • C:\Windows\SysWOW64\cjljdzcgtkeaw.exe
      cjljdzcgtkeaw.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4496
    • 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:744

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        PROTTPLN.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 fa58400a9d3a1d44f2684db3d1f562133d7de0eef2402b6f8cb376c913db0eed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 21a98da8f64cc6ca6a5531af3be351462207fda930ee14acb159431ca88831a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sist02.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCDB0B9.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH

        EnableAdd.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\DismountUnlock\EnableAdd.doc.exe
        • Size 512KB
        • SHA256 a1d92e613569ac6aeefbe50fd56ff15479183f3a7bcaf521e37f73372e92f85a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UnprotectExpand.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\DismountUnlock\UnprotectExpand.doc.exe
        • Size 512KB
        • SHA256 a2d198193d1995b83c48247cd40563d67c883ea5aec36ca706b9df1a44488455
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DisableWait.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\JoinGroup\DisableWait.doc.exe
        • Size 512KB
        • SHA256 88ae84e5b9976c536ef6fb115a3bb67566ea2a0417b55fa2397951e10578b3b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 313B
        • SHA256 40216f51cb9f1f1daf8de67133e02c9a43f075b9995906d9533d66a23aa5ffaf
        • MD5 SHA1 SHA512 TLSH

        CUSTOM.DIC

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

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 3203755850b1c55a591f6b209029c3c16eff000ad7159699b1491d4e0d662354
        • MD5 SHA1 SHA512 TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 687B
        • SHA256 b1e1d83d6639967da814c273b92cbdf6283fd3476a369c36dfd281323f467b3f
        • MD5 SHA1 SHA512 TLSH

        cjljdzcgtkeaw.exe

        • Path C:\Windows\SysWOW64\cjljdzcgtkeaw.exe
        • Size 512KB
        • SHA256 260300a2ce0be43fb814c772440edb7ce37144a7dd9a3385fa7190827be62e19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nkyfqtqsnamzakf.exe

        • Path C:\Windows\SysWOW64\nkyfqtqsnamzakf.exe
        • Size 512KB
        • SHA256 c45eed8c5cbad9740bd9fd42c9314402dc296b4626e75538c9b6c23a7aefd4e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        xledfkuyqo.exe

        • Path C:\Windows\SysWOW64\xledfkuyqo.exe
        • Size 512KB
        • SHA256 b52024b048ff5549e15682a5171d840d947a70c8229c2bd50b622ada0fba3e07
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zbsfrcvs.exe

        • Path C:\Windows\SysWOW64\zbsfrcvs.exe
        • Size 512KB
        • SHA256 e34a008f04d65b136608e98b0e5c81b5dc9f6fa1d73cb631a787a17d9c50822b
        • 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 512KB
        • SHA256 b142d55d7b7e18bf19d6d9e9b4e0ff68adec18ec12f5eee45d36a7999fcf0bf2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 a38e2e8b4bb80b6c49dec2395fb42eca10afc3ea14036a28d0595385f9183c4e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/744-38-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-36-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-41-0x00007FFEC2C90000-0x00007FFEC2CA0000-memory.dmp

        memory/744-40-0x00007FFEC2C90000-0x00007FFEC2CA0000-memory.dmp

        memory/744-35-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-39-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-37-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-252-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-253-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-255-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/744-254-0x00007FFEC4CF0000-0x00007FFEC4D00000-memory.dmp

        memory/3644-0-0x0000000000400000-0x0000000000496000-memory.dmp