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
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-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 12 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 13 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 11 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⤵
    • 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:5124
    • C:\Windows\SysWOW64\acspjspxow.exe
      acspjspxow.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:1816
      • C:\Windows\SysWOW64\xtgoamsx.exe
        C:\Windows\system32\xtgoamsx.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:3968
    • C:\Windows\SysWOW64\vrueduvyrjpvfom.exe
      vrueduvyrjpvfom.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:5944
    • C:\Windows\SysWOW64\xtgoamsx.exe
      xtgoamsx.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:3764
    • C:\Windows\SysWOW64\ytbxifqihwlcv.exe
      ytbxifqihwlcv.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2388
    • 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:3056

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 c6cf1013d0b0e4065131863d7c21ed45ff6df1e7a99c48ad42502fa0bc1e16a6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        PROTTPLV.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 291c0507241368d287defd4a768bd84f9b028e134a8f592552be63f7f6e69f0d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sist02.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCDCD40.tmp\sist02.xsl
        • Size 245KB
        • SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        index.dat
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 365B
        • SHA256 c99d2456ec46f2b5c25e192f087485346dab6fe7ca65208928bc6e3411bed57a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 123d6ede371c5a4f701fc5463036a6e08b621801bb63fb9f690465b79b29e7c0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 8e62384e4165594b725d110a2ab619f4b6c9bb3f8e689fd8f58a1e682c426858
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        TestFormat.doc.exe
        • Path C:\Users\Admin\Desktop\TestFormat.doc.exe
        • Size 512KB
        • SHA256 6cf0f6335b4e2ff6aebacc2d8f8dd65350b44df883cd8d49b9d7e458e84bba47
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SyncUnpublish.doc.exe
        • Path C:\Users\Admin\Downloads\SyncUnpublish.doc.exe
        • Size 512KB
        • SHA256 05dfa5e546525be3c6c605c15ec2c0202516c5137837cec8bd4763c7e198c92e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        AddReceive.doc.exe
        • Path C:\Users\Admin\Music\AddReceive.doc.exe
        • Size 512KB
        • SHA256 5256fdc4069749779830dc6da5bce5cf334a88f5f8c9fd91eb0f44117d1cf860
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        InstallMount.doc.exe
        • Path C:\Users\Admin\Music\InstallMount.doc.exe
        • Size 512KB
        • SHA256 11816de13afbbdeea239fc820a3b47b7ad7772db235b03410e599886f95c589f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        acspjspxow.exe
        • Path C:\Windows\SysWOW64\acspjspxow.exe
        • Size 512KB
        • SHA256 781a973a337b198be6f4413ac793e29f44aa04971ba6546063ee7896dd70cc45
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vrueduvyrjpvfom.exe
        • Path C:\Windows\SysWOW64\vrueduvyrjpvfom.exe
        • Size 512KB
        • SHA256 f0a01164c88662704727a54632d74dc61a6a2173a3cb2bba88fe03ad45745e2e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        xtgoamsx.exe
        • Path C:\Windows\SysWOW64\xtgoamsx.exe
        • Size 512KB
        • SHA256 5a7bfea0cea325cb50c2b1dd11606dd948875061edf96b4f06ff6188550e0a9a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ytbxifqihwlcv.exe
        • Path C:\Windows\SysWOW64\ytbxifqihwlcv.exe
        • Size 512KB
        • SHA256 b73d12054a594002ed02ff41ad0acb9823f6ccbc133d0fe02d6730bdbb14f27b
        • 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 e645180daa8178fcf5383653dd258f1e4e3e2e34a1f413bf24830660d46a817f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 39c50595ad7ad5799553882b84ac125680b2693444d8d4307272f426a1e27d0e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3056-41-0x00007FFE516B0000-0x00007FFE516C0000-memory.dmp
        Download

        memory/3056-40-0x00007FFE516B0000-0x00007FFE516C0000-memory.dmp
        Download

        memory/3056-35-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
        Download

        memory/3056-36-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
        Download

        memory/3056-39-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
        Download

        memory/3056-38-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
        Download

        memory/3056-37-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
        Download

        memory/5124-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download