Overview

overview

10

Static

static

10

2026-06-28...er.exe

windows10-2004-x64

10

2026-06-28...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 22:54

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General

  • Target
    2026-06-28_482ec0702be0edc2c11e4a36d05c9809_elex_stop_yuner.exe
  • Size 512KB
  • Sample260628-2vmjwsgx2n
  • SHA256 a34612a7b32035edbfc45c49dc1975319a5e3ec2b8d01f8435f37ecf99b7d3f2
  • 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 7 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
  • 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 8 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.

    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 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-28_482ec0702be0edc2c11e4a36d05c9809_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-28_482ec0702be0edc2c11e4a36d05c9809_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:4800
    • C:\Windows\SysWOW64\solyrmrxuh.exe
      solyrmrxuh.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:4436
      • C:\Windows\SysWOW64\ryurstkj.exe
        C:\Windows\system32\ryurstkj.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:1612
    • C:\Windows\SysWOW64\kqdphaksphfcguu.exe
      kqdphaksphfcguu.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:4836
    • C:\Windows\SysWOW64\ryurstkj.exe
      ryurstkj.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:4516
    • C:\Windows\SysWOW64\oqsuoxuhmihmu.exe
      oqsuoxuhmihmu.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2888
    • 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:1892

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

        3
        T1012

        System Information Discovery

        4
        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

        PROTTPLV.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 4b1c55d234056a192dd5bcde47f7ef495c3bab77c11d565f81bae0ab539f3fcd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        gb.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCD37.tmp\gb.xsl
        • Size 262KB
        • SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        index.dat
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 242B
        • SHA256 380f95583fa64b0795267be00a92610453f8add058a601263038617d41028433
        • 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 60bf7ad9d66b3af1bbd04f97308b9e3602eb65a952663264dd09bd612e91caa9
        • 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 22605f80ffb7b0825d2db1aabacebf056a66fe533ac88c466828dac60a4df0a4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        kqdphaksphfcguu.exe
        • Path C:\Windows\SysWOW64\kqdphaksphfcguu.exe
        • Size 512KB
        • SHA256 e2b04e2f5420500d5fc0aad0f143ee9631fc6529bd031c874e21f37b7390f250
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        oqsuoxuhmihmu.exe
        • Path C:\Windows\SysWOW64\oqsuoxuhmihmu.exe
        • Size 512KB
        • SHA256 0928349204ee74a71d91e5110771911d111bea3277a0630b918531efd53f2596
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ryurstkj.exe
        • Path C:\Windows\SysWOW64\ryurstkj.exe
        • Size 512KB
        • SHA256 73a1bbfee0c3dfb4e3be8b0bac867cc1e559c23dbafea7b46df12cae75da755b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        solyrmrxuh.exe
        • Path C:\Windows\SysWOW64\solyrmrxuh.exe
        • Size 512KB
        • SHA256 b098eea569f884738bd3d1427cbdaaeef62cbf0fe90efcd2c1d305d16e433fce
        • 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 3a2d296e6534c991de9e5b6c36841044fb60c394e604c4d821c1e34bd987f868
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 b084073e850d25c4016546ca291c9e4c68a4b872ad931a4acd028a728348b95f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1892-34-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-40-0x00007FF8E0730000-0x00007FF8E0740000-memory.dmp
        Download

        memory/1892-39-0x00007FF8E0730000-0x00007FF8E0740000-memory.dmp
        Download

        memory/1892-38-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-35-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-37-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-36-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-512-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-514-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-513-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/1892-511-0x00007FF8E31E0000-0x00007FF8E31F0000-memory.dmp
        Download

        memory/4800-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download