Overview

overview

10

Static

static

10

2026-05-23...er.exe

windows10-2004-x64

10

2026-05-23...er.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/05/2026, 16:48

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General

  • Target
    2026-05-23_f2278ebcf75f8c529afdccfbb2ee1a4f_elex_stop_yuner.exe
  • Size 512KB
  • Sample260523-vbk4dsgz4x
  • SHA256 3383be0804cbc680d23c80cb84da5b676c110b8e2d0c5db7a7ed5fef45ee9b01
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverysohanadpersistencespywarestealertrojanworm

Malware Config

Signatures

  • Family: Sohanad, Svich

    Sohanad is a worm written in C++.

    wormsohanad
  • Detects Sohanad worm 10 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Windows security bypass 2 TTPs 5 IoCs
    defense_evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    defense_evasion
  • 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.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    defense_evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • AutoIT Executable 11 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 13 IoCs
  • Drops file in Program Files directory 22 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.

    discovery
  • 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\2026-05-23_f2278ebcf75f8c529afdccfbb2ee1a4f_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-23_f2278ebcf75f8c529afdccfbb2ee1a4f_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:3520
    • C:\Windows\SysWOW64\iidzsupbvt.exe
      iidzsupbvt.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:4148
      • C:\Windows\SysWOW64\syspxxyx.exe
        C:\Windows\system32\syspxxyx.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:4628
    • C:\Windows\SysWOW64\idtvowzkzzlctot.exe
      idtvowzkzzlctot.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:4308
    • C:\Windows\SysWOW64\syspxxyx.exe
      syspxxyx.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:2100
    • C:\Windows\SysWOW64\vcsscqcehklkb.exe
      vcsscqcehklkb.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4348
    • 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:2344

Network

        MITRE ATT&CK Enterprise v16

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Persistence

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Privilege Escalation

        Boot or Logon Autostart Execution

        2
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Winlogon Helper DLL

        1
        T1547.004

        Defense Evasion

        Hide Artifacts

        2
        T1564

        Hidden Files and Directories

        2
        T1564.001

        Impair Defenses

        2
        T1562

        Disable or Modify Tools

        2
        T1562.001

        Modify Registry

        6
        T1112

        Credential Access

        Credentials from Password Stores

        1
        T1555

        Credentials from Web Browsers

        1
        T1555.003

        Unsecured Credentials

        1
        T1552

        Credentials In Files

        1
        T1552.001

        Discovery

        Peripheral Device Discovery

        1
        T1120

        Query Registry

        4
        T1012

        System Information Discovery

        5
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Data from Local System

        1
        T1005

        Command and Control

        Exfiltration

        Impact

        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 9360ff2c1db5bd9e6ed0ea4e34020bf25b0f8e1928e00a1def82e117bc552d33
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        RedoPing.doc.exe
        • Path C:\Program Files\RedoPing.doc.exe
        • Size 512KB
        • SHA256 968074bee6eea86ac06d886b8af4d14095dbd271ef58097fce93e5c5dd4b183d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        iso690.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCD1AAA.tmp\iso690.xsl
        • Size 263KB
        • SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        CopySync.doc.exe
        • Path C:\Users\Admin\AppData\Roaming\GroupRequest\CopySync.doc.exe
        • Size 512KB
        • SHA256 a7ea2280e2f2f4e995239a9bbf127f0083167ab2508e37ec52018dfba0c2fa76
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        index.dat
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 367B
        • SHA256 94fe12d21cfd0de9a91a2a731c8aab7c2b89c1a7e213458f76abe1c9afd101ec
        • MD5 SHA1 SHA512 TLSH
        Submit Download

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

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 86440a14612e8fee7d0502e5794bcf177218609134437ee0773a01b8c9e6ad07
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 1KB
        • SHA256 897215074b73bce81cfcac47f7a0fed201d8308364513eb27b9f9cf74edbe8ad
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        SubmitFind.doc.exe
        • Path C:\Users\Admin\AppData\Roaming\PingStop\SubmitFind.doc.exe
        • Size 512KB
        • SHA256 e4b65a5ef37392c7275e5b90c6fc3bda389c0c6761a53f2d081fb285fc06c895
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        idtvowzkzzlctot.exe
        • Path C:\Windows\SysWOW64\idtvowzkzzlctot.exe
        • Size 512KB
        • SHA256 b6b812671b44bb2ceaf7793da514f530b81c17ecbcfc9251a78dce73ceabedb8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        iidzsupbvt.exe
        • Path C:\Windows\SysWOW64\iidzsupbvt.exe
        • Size 512KB
        • SHA256 b564559c6283099ba35dbfdb2b010c0293c672f1a54cd83e2296aeb88d810e35
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        syspxxyx.exe
        • Path C:\Windows\SysWOW64\syspxxyx.exe
        • Size 512KB
        • SHA256 552dfe78ca6a2eb18aad1da120a4bb6ec1e2c39934878139c966358b1e4ef85a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vcsscqcehklkb.exe
        • Path C:\Windows\SysWOW64\vcsscqcehklkb.exe
        • Size 512KB
        • SHA256 383e59f53a38335abd07527b45e95d78087389f7680d98e767a47a3660cb4b79
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

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

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 3b8b8558f1a3893b3e81773d178fa29e995e9340fcf888bafed836acaae84817
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 930b1c94493f92cc14c68fafd18e2c41f6a9f183fdd7de270b55777e43ab9e2f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2344-552-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-38-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-39-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-37-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-36-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-40-0x00007FFC061C0000-0x00007FFC061D0000-memory.dmp
        Download

        memory/2344-35-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-41-0x00007FFC061C0000-0x00007FFC061D0000-memory.dmp
        Download

        memory/2344-553-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-555-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/2344-554-0x00007FFC082D0000-0x00007FFC082E0000-memory.dmp
        Download

        memory/3520-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download