Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 03:53

General

  • Target
    2026-06-27_af62613861f891fc03ebb486c27707f7_elex_stop_yuner.exe
  • Size 512KB
  • Sample260629-efrtqsdx7k
  • SHA256 aca8baa513cab8f4c813e6a9e12ac94b0c5d8b5b231fe693cfb8f58b8c4db87c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Sohanad, Svich

    Sohanad is a worm written in C++.

  • Detects Sohanad worm 10 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 11 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\2026-06-27_af62613861f891fc03ebb486c27707f7_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-27_af62613861f891fc03ebb486c27707f7_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:6056
    • C:\Windows\SysWOW64\bpzszixiut.exe
      bpzszixiut.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:1884
      • C:\Windows\SysWOW64\frohioto.exe
        C:\Windows\system32\frohioto.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:2924
    • C:\Windows\SysWOW64\aplprhmnqjncdrv.exe
      aplprhmnqjncdrv.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:1524
    • C:\Windows\SysWOW64\frohioto.exe
      frohioto.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:1240
    • C:\Windows\SysWOW64\unoatqqhgmpwc.exe
      unoatqqhgmpwc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2432
    • 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:5348

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 b8926a9e0b4e5246c47d893242f37addeb54bcdb3a967e0074d9dfb81b279678
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 5b9fb37ca1fca08379fd1136fe4642f0c770d9138bec1f3e678493424802b824
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gb.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCDFFD8.tmp\gb.xsl
        • Size 262KB
        • SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 243B
        • SHA256 d3ccf74f0e240cb02b98fc4bba6fe605b7811d51b950acb0f81077021eaeaa65
        • 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 649B
        • SHA256 6b74f8f71a27ba4db7553d38f74609eba72f3320eff01e33d0a8fb3ade5ef06e
        • MD5 SHA1 SHA512 TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 5325a12c6ca65ecbd5cd62c8ae248978efdd84852df94114c013c8dc650eb082
        • MD5 SHA1 SHA512 TLSH

        RedoCompress.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\RedoCompress.doc.exe
        • Size 512KB
        • SHA256 831e0ad353811b2d6b25b8d5862004b539c97743934804d2eb35b6599e7a5da0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RepairMount.doc.exe

        • Path C:\Users\Admin\AppData\Roaming\RepairMount.doc.exe
        • Size 512KB
        • SHA256 8c934b119fbee9f419e5775e748986ae5756c7ad325c5c1f5e88247bab9d3ecc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        aplprhmnqjncdrv.exe

        • Path C:\Windows\SysWOW64\aplprhmnqjncdrv.exe
        • Size 512KB
        • SHA256 aee8450f29892f233f4fa6ecf4cdeadfa50e82e4c68de1ade73a974404c8f41f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bpzszixiut.exe

        • Path C:\Windows\SysWOW64\bpzszixiut.exe
        • Size 512KB
        • SHA256 30ed0d57638c86f331580dfaa0eb11ac4d365cf5d8591bdab3041702b8ff143b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        frohioto.exe

        • Path C:\Windows\SysWOW64\frohioto.exe
        • Size 512KB
        • SHA256 a18f13d7813f57753134eee2aeb65a0555ba5da34e6e1acf879913e00f76d0f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unoatqqhgmpwc.exe

        • Path C:\Windows\SysWOW64\unoatqqhgmpwc.exe
        • Size 512KB
        • SHA256 2cd303e3b8750b40089d202b6492b507990495756b4527be7a3f1d3020ebdb63
        • 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 1ebbf452ca474fb54451fc9f9cf64f0e1d27e04252432d1a77c08d36b8fece05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 e0d7e34baca215e254bb7ad210c521c54cffcc3c0ae6d8da7805babae0f25c77
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5348-535-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-42-0x00007FFEECD30000-0x00007FFEECD40000-memory.dmp

        memory/5348-41-0x00007FFEECD30000-0x00007FFEECD40000-memory.dmp

        memory/5348-35-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-38-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-37-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-36-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-34-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-536-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-534-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/5348-537-0x00007FFEEF280000-0x00007FFEEF290000-memory.dmp

        memory/6056-0-0x0000000000400000-0x0000000000496000-memory.dmp