Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 15:09

General

  • Target
    2026-06-04_f7daf9e5a787aea322e866affd8bc97b_elex_stop_yuner.exe
  • Size 513KB
  • Sample260604-sjpensht41
  • SHA256 6952425185b4979499702d85919b94085f862eb8eeb2f91ea154184afbc92630
  • 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 14 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 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-04_f7daf9e5a787aea322e866affd8bc97b_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-04_f7daf9e5a787aea322e866affd8bc97b_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:4076
    • C:\Windows\SysWOW64\omhatbklyz.exe
      omhatbklyz.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:4452
      • C:\Windows\SysWOW64\nbbyacun.exe
        C:\Windows\system32\nbbyacun.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:3768
    • C:\Windows\SysWOW64\zqbgpkptroitufe.exe
      zqbgpkptroitufe.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:3936
    • C:\Windows\SysWOW64\nbbyacun.exe
      nbbyacun.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:844
    • C:\Windows\SysWOW64\gqiqpntdtgthd.exe
      gqiqpntdtgthd.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3620
    • 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:5068

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 513KB
        • SHA256 cf30f288f64a61cf71ae14e23e6c011477d9dff77a308db2428d363a1d59ce84
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 513KB
        • SHA256 7a9d5a050394d1a0ec55c0cd3a81f18ecb5f699afb3f304c99052803020f11a2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 4KB
        • SHA256 0300e9ddb527990e8b59d06e9ccf3ec2bd92d3bbd0ef4fba69d6336e4195e82d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        57C8EDB95DF3F0AD4EE2DC2B8CFD4157

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157
        • Size 342B
        • SHA256 2bd4f78559f2c5dc538f1e2e5f3080e8b5a56f91503d69dffa0b36c8848d473a
        • MD5 SHA1 SHA512 TLSH

        sist02.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCD7268.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH

        SuspendLimit.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\ExitInitialize\SuspendLimit.doc.exe
        • Size 513KB
        • SHA256 1eaff11204cfe8e50b920a52e929a161db1b5448688da377313532148dad2bb6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 424B
        • SHA256 07f7da2ab6236de1d70f53a26f459ada087afe4df43d36b75d446fa8fa4d64c1
        • 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 4c7ccb1c3f3bfd99719e83bb12e3344a18e00846e2521cdd6db67bce86ffc608
        • MD5 SHA1 SHA512 TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 683B
        • SHA256 61ec2ba4ec4ddce55131219adcd00b11e889438922fa0c2660dbe56eecdfa017
        • MD5 SHA1 SHA512 TLSH

        ReceiveMount.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\ReceiveMount.doc.exe
        • Size 513KB
        • SHA256 a4a160ea0b324204f4d9458f7c30917c1e4999bb43d3133e7d80215fb76de0cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MountSet.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\RequestEdit\MountSet.doc.exe
        • Size 513KB
        • SHA256 feb0aa3f0e6e9035982230fc3082832fff196a4ff6f7d69239b928df581dc9d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gqiqpntdtgthd.exe

        • Path C:\Windows\SysWOW64\gqiqpntdtgthd.exe
        • Size 513KB
        • SHA256 69e430d9f15954cca3374275adf52d4cb8988c6265107f00dd298081c4f85b2c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nbbyacun.exe

        • Path C:\Windows\SysWOW64\nbbyacun.exe
        • Size 513KB
        • SHA256 a1ecfd1935a552b8425ff06107ba916d0719084a898c2d66af2fed87d8e97d95
        • MD5 SHA1 SHA512 SSDEEP TLSH

        omhatbklyz.exe

        • Path C:\Windows\SysWOW64\omhatbklyz.exe
        • Size 513KB
        • SHA256 d0667d71ac4844c445850cd7ffb4695c6ac99c03708e164a5201166eb96a5615
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zqbgpkptroitufe.exe

        • Path C:\Windows\SysWOW64\zqbgpkptroitufe.exe
        • Size 513KB
        • SHA256 1caf17e4961e3f1bc3a2afb5759b585f3746fbacc5663b6d297f4942df3c5e23
        • 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 513KB
        • SHA256 6cd8a6fbe6ccb868327f3e31caa8531ebfcad57f9a2b98bddf40b221f50051aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 513KB
        • SHA256 0b914660b0eb61926d9b14ab50a08fdf832f2c12502cf79a5b577d563750bb6a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4076-0-0x0000000000400000-0x0000000000496000-memory.dmp

        memory/5068-37-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-38-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-36-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-39-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-35-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-40-0x00007FFE56F10000-0x00007FFE56F20000-memory.dmp

        memory/5068-42-0x00007FFE56F10000-0x00007FFE56F20000-memory.dmp

        memory/5068-581-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-582-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-584-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp

        memory/5068-583-0x00007FFE592F0000-0x00007FFE59300000-memory.dmp