Overview

overview

10

Static

static

10

2026-08-23...er.exe

windows10-2004-x64

10

2026-08-23...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/08/2026, 22:25

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General

  • Target
    2026-08-23_b819e64fac95775374945246e99ec56c_elex_stop_yuner.exe
  • Size 512KB
  • Sample260825-2cfcvswyet
  • SHA256 dbec86dffb865453204a06517c5432e60a0af0aee912681e9959eba7c3507dc2
  • 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 9 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 10 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.

    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\2026-08-23_b819e64fac95775374945246e99ec56c_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-23_b819e64fac95775374945246e99ec56c_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:4280
    • C:\Windows\SysWOW64\nrektxskdv.exe
      nrektxskdv.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:4620
      • C:\Windows\SysWOW64\kwwxranj.exe
        C:\Windows\system32\kwwxranj.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:5020
    • C:\Windows\SysWOW64\edqlyutscfppsez.exe
      edqlyutscfppsez.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:560
    • C:\Windows\SysWOW64\kwwxranj.exe
      kwwxranj.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:3524
    • C:\Windows\SysWOW64\vxddyfyantviw.exe
      vxddyfyantviw.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:568
    • 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:632

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 513KB
        • SHA256 19fdb4f18e4b23f1cedc58918187dfdf0891d811ff17f6683a19738c515748f2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        PROTTPLV.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 513KB
        • SHA256 54814fc84d96da4a3618f59ce0c6a5fef8ca2117df7df77f395a7ef5911443bf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        iso690.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCDEA26.tmp\iso690.xsl
        • Size 263KB
        • SHA256 3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SkipEnter.doc.exe
        • Path C:\Users\Admin\AppData\Roaming\BlockProtect\SkipEnter.doc.exe
        • Size 513KB
        • SHA256 c766e8995223388492b54b5958ddba4b9f06aa6a0759faf2c7ae2c051e021470
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        index.dat
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 303B
        • SHA256 bd07515ff82550ccd36cce84fd1c61976a9de6f53d49a6c67a4615a16a01c54c
        • 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 672B
        • SHA256 87dec9e3620e5d5f01c80aa3b5b4e2671e750678341522e223e77550cd7b5046
        • 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 e02ddb52cba3deb6904050319b3c5d9c534967767b8614b3a8c463f26fbd46c0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        edqlyutscfppsez.exe
        • Path C:\Windows\SysWOW64\edqlyutscfppsez.exe
        • Size 512KB
        • SHA256 609db8d7546d2977da77e5928aa52250f93cd83258d3a19adf53df5c96d2bd86
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        kwwxranj.exe
        • Path C:\Windows\SysWOW64\kwwxranj.exe
        • Size 512KB
        • SHA256 5876f36fc3f0c9c0e3383b66648044d2c6fd73dc6979e75679fe1d5f2be3ed06
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nrektxskdv.exe
        • Path C:\Windows\SysWOW64\nrektxskdv.exe
        • Size 512KB
        • SHA256 e500b37631608ba66b2d35b77b2698899cf7a569abbfc6481f6514ce72b277d1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vxddyfyantviw.exe
        • Path C:\Windows\SysWOW64\vxddyfyantviw.exe
        • Size 512KB
        • SHA256 c71bfd88f99fe43fef276f98b3f96aed48857d7a5593ceb020e2226c5133eed6
        • 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 1cf3f3ecdb9d79c8ad9e5216d8e225a55b94f52582e5f2308e18c0cedb4b6b06
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 513KB
        • SHA256 a782dc6c85d72dd44169e50e85b658d10976f6b5343d8b1d6b9d5f56c88005f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/632-36-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-39-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-38-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-37-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-40-0x00007FF8E87B0000-0x00007FF8E87C0000-memory.dmp
        Download

        memory/632-41-0x00007FF8E87B0000-0x00007FF8E87C0000-memory.dmp
        Download

        memory/632-35-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-545-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-547-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-546-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/632-544-0x00007FF8EB010000-0x00007FF8EB020000-memory.dmp
        Download

        memory/4280-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download