Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/04/2026, 13:59

General

  • Target
    2026-04-17_5c81c558cf8c82dcb91c03b34abe1dc7_elex_stop_yuner.exe
  • Size 514KB
  • Sample260417-ragg2aa17w
  • SHA256 133ce56459c69089791ff32e9738e7225fde2f71d87f54f0b24390dc28e3de43
  • 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 13 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 11 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-17_5c81c558cf8c82dcb91c03b34abe1dc7_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-17_5c81c558cf8c82dcb91c03b34abe1dc7_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:4260
    • C:\Windows\SysWOW64\gwknhzcxjw.exe
      gwknhzcxjw.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:3092
      • C:\Windows\SysWOW64\cjlfnsve.exe
        C:\Windows\system32\cjlfnsve.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:1180
    • C:\Windows\SysWOW64\aanwhwzxegvchak.exe
      aanwhwzxegvchak.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:3248
    • C:\Windows\SysWOW64\cjlfnsve.exe
      cjlfnsve.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:1676
    • C:\Windows\SysWOW64\bgjlwtkiflcgc.exe
      bgjlwtkiflcgc.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2204
    • 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:4816

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 514KB
        • SHA256 0ab2783d8befcda5fd6229cfdc4de9dd88b549d426cdb23c8bb77fb5ee22067b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 514KB
        • SHA256 bdfc872b3be8535cf0c0a734eb8ae6d5b92ce0b6c49624cd7e8e47e43e1c7042
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 257B
        • SHA256 ff011b7f747f53912f387fcbd431a7a2ec1e9b8f70efebf9817a3bc75493a08c
        • MD5 SHA1 SHA512 TLSH

        TM02851227[[fn=sist02]].xsl

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\Managed\Word Document Bibliography Styles\TM02851227[[fn=sist02]].xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 2132b19a383f0e6090d5d3189dd8c2b541b981184fdd853212dcda640a5a70f0
        • MD5 SHA1 SHA512 TLSH

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 2KB
        • SHA256 7d090cedc6bda44bc7fb6907b61e87342ed6f139b768f1aff6b1c9dc3b55f038
        • MD5 SHA1 SHA512 TLSH

        aanwhwzxegvchak.exe

        • Path C:\Windows\SysWOW64\aanwhwzxegvchak.exe
        • Size 514KB
        • SHA256 2b86cfd8fc6db6096c58ac815ff7bb5c04c7884161dbab2d63f9de7cccc973ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        bgjlwtkiflcgc.exe

        • Path C:\Windows\SysWOW64\bgjlwtkiflcgc.exe
        • Size 514KB
        • SHA256 26207891da785e5ce2ac8861b7df8f8a1523538e9ff917e0755d8dcb873e94ca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cjlfnsve.exe

        • Path C:\Windows\SysWOW64\cjlfnsve.exe
        • Size 514KB
        • SHA256 95c7c65eabae43ff066bf0ca42f373674bb1a09bb58e487323c9b6bbc4e14f99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gwknhzcxjw.exe

        • Path C:\Windows\SysWOW64\gwknhzcxjw.exe
        • Size 514KB
        • SHA256 f87a4a71027ab0583c37e0a1d7407713e76b2b9a8dc7c2eee7966a2b0d3de9cf
        • 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 a597bdbac00f26e0741d25c8bf70a8a89e696bb10e1586a1976c9a7d459bcd1d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 514KB
        • SHA256 a34ab93b1089fb7d7e069ca78f854fb809939b6d3da6fd3ea794113d0f07b93f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4260-0-0x0000000000400000-0x0000000000496000-memory.dmp

        memory/4816-403-0x000001EABB130000-0x000001EABB18D000-memory.dmp

        memory/4816-42-0x00007FF95C750000-0x00007FF95C760000-memory.dmp

        memory/4816-69-0x000001EABB130000-0x000001EABB18D000-memory.dmp

        memory/4816-41-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-40-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-43-0x00007FF95C750000-0x00007FF95C760000-memory.dmp

        memory/4816-37-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-38-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-39-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-541-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-542-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-543-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-544-0x00007FF95EEF0000-0x00007FF95EF00000-memory.dmp

        memory/4816-545-0x000001EABB130000-0x000001EABB18D000-memory.dmp