Overview

overview

10

Static

static

10

2026-08-30...er.exe

windows10-2004-x64

10

2026-08-30...er.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 04:41

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General

  • Target
    2026-08-30_c80120fa80792a52d08af7c7332366b6_elex_stop_yuner.exe
  • Size 512KB
  • Sample260831-fa359aef79
  • SHA256 f36ad0fa715579a7c38cfd128a45a86a4ff208a894966b2ff04be1c74c185bf4
  • 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 8 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 9 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 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-30_c80120fa80792a52d08af7c7332366b6_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-30_c80120fa80792a52d08af7c7332366b6_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:5676
    • C:\Windows\SysWOW64\nuwhdodcoy.exe
      nuwhdodcoy.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:4124
      • C:\Windows\SysWOW64\ffysvzfc.exe
        C:\Windows\system32\ffysvzfc.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:3624
    • C:\Windows\SysWOW64\amumowyaxsqfhpi.exe
      amumowyaxsqfhpi.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:1328
    • C:\Windows\SysWOW64\ffysvzfc.exe
      ffysvzfc.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:2324
    • C:\Windows\SysWOW64\kqrgtdaglxkov.exe
      kqrgtdaglxkov.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4872
    • 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:2044

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

        PROTTPLN.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 0568f7e0c71b344d39c1937971d0e6a49b1ec7a35dcb5377212c8aaaea7cac44
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sist02.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCD4E4F.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SyncSuspend.doc.exe
        • Path C:\Users\Admin\AppData\Roaming\ConvertFromUnpublish\SyncSuspend.doc.exe
        • Size 512KB
        • SHA256 266cbcb598907844afc1d49a3daa2d32794245829f03203b4ba10e726e391eaa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        index.dat
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 399B
        • SHA256 c0548594743bc0ff52f88c9d7714eed8a32eccc2fcff24402f0bf319c4a166a6
        • 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 9277b83212b62c00f88f00b4be686b20bfe8e53665252aba3b287ea85d75d71d
        • 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 353dbbefbc8f103fed914b496185a56ccf7346908e299d5add60135780bf1639
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        amumowyaxsqfhpi.exe
        • Path C:\Windows\SysWOW64\amumowyaxsqfhpi.exe
        • Size 512KB
        • SHA256 19259bfa9ce1481c924e7c079e5afe9168713bd7192c1d6f1615ed5c1d68ee07
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ffysvzfc.exe
        • Path C:\Windows\SysWOW64\ffysvzfc.exe
        • Size 512KB
        • SHA256 0bc43b907307025c1e5b8decdc9a680514b3e46e652585b54e4f9543ea9ca327
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        kqrgtdaglxkov.exe
        • Path C:\Windows\SysWOW64\kqrgtdaglxkov.exe
        • Size 512KB
        • SHA256 ae1ec30459e009cdc619c5ef261d7b296e0b834e16b23d3251310749cf1be75f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nuwhdodcoy.exe
        • Path C:\Windows\SysWOW64\nuwhdodcoy.exe
        • Size 512KB
        • SHA256 7f533ac90dce7e9c979f92182b59bc928905f6e0a14d234a7334faaf48c65e76
        • 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 4c2c9e3d2d912f401e91f81df4dabbcdc02297a7fb6e8bba69a8a03617e276ca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 e897d9d7042cf458fef8e90174e51dcd6549961d244c89fb1ff0ea5494f4ba44
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2044-34-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-40-0x00007FFCD56D0000-0x00007FFCD56E0000-memory.dmp
        Download

        memory/2044-39-0x00007FFCD56D0000-0x00007FFCD56E0000-memory.dmp
        Download

        memory/2044-38-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-37-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-35-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-36-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-245-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-247-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-248-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/2044-246-0x00007FFCD8360000-0x00007FFCD8370000-memory.dmp
        Download

        memory/5676-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download