Overview

overview

10

Static

static

10

2026-05-09...er.exe

windows10-2004-x64

10

2026-05-09...er.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    133s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/05/2026, 03:11

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General

  • Target
    2026-05-09_74a3d5668f9c4d7517fbf63079d56368_elex_stop_yuner.exe
  • Size 512KB
  • Sample260509-dpvrbadv9m
  • SHA256 5b308fd622d070cf512d5140811a2e914ea9979b36b9d1eb3847a411e89f4a22
  • 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
  • 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 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\2026-05-09_74a3d5668f9c4d7517fbf63079d56368_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-09_74a3d5668f9c4d7517fbf63079d56368_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:2796
    • C:\Windows\SysWOW64\yaihotbuac.exe
      yaihotbuac.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:2928
      • C:\Windows\SysWOW64\xivpfqyd.exe
        C:\Windows\system32\xivpfqyd.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:2400
    • C:\Windows\SysWOW64\pcdmjhcfzzhlixv.exe
      pcdmjhcfzzhlixv.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:3196
    • C:\Windows\SysWOW64\xivpfqyd.exe
      xivpfqyd.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:4320
    • C:\Windows\SysWOW64\nemwcmfgolkeq.exe
      nemwcmfgolkeq.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1388
    • 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:6028

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

        Loading Replay Monitor...

        Downloads

        PROTTPLN.DOC.exe
        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 1364c0ac3446c888f5908c5785c19201435b7785f07e926769ae177b31bd1ee5
        • 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 886d02572227aec5d7e6824806ae2036faad6fad2a1234226532c4fd055efaba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sist02.xsl
        • Path C:\Users\Admin\AppData\Local\Temp\TCD74D3.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 358B
        • SHA256 7cf7c8c05466b0599254a56698213060d10b0167230ad60cf9d47ed0eeb93634
        • 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 df3c7b4ef9691a1ce4250637475f8ab7fbe35e8cab096ce3f2704500366a3451
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        fb3b0dbfee58fac8.customDestinations-ms
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 2KB
        • SHA256 6c320828a6c0b36a9ffed01089a5a6e4e50c97a0bb9af7d99669b2de618a856a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ReceiveEdit.doc.exe
        • Path C:\Users\Admin\AppData\Roaming\RenameOptimize\ReceiveEdit.doc.exe
        • Size 512KB
        • SHA256 b167143ec15d9fed3663f47fdf10ab66bd1894d2f8d0e7725f2107b31aba98b2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SubmitResolve.doc.exe
        • Path C:\Users\Admin\AppData\Roaming\SubmitResolve.doc.exe
        • Size 512KB
        • SHA256 99d7fbeaeff966a292664513fe8f1f63eb7b0150d23d1ee25c77fd287cd0d81e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        nemwcmfgolkeq.exe
        • Path C:\Windows\SysWOW64\nemwcmfgolkeq.exe
        • Size 512KB
        • SHA256 50419a3adee899bbf45b295bd1f616a670cd265875bdf0d66b2ee2601e7fefdc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pcdmjhcfzzhlixv.exe
        • Path C:\Windows\SysWOW64\pcdmjhcfzzhlixv.exe
        • Size 512KB
        • SHA256 95638e6ea44c0e8ddc62204c9ef7c2d243f22a0f3c85673e422a509acdd8b7c7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        xivpfqyd.exe
        • Path C:\Windows\SysWOW64\xivpfqyd.exe
        • Size 512KB
        • SHA256 abd5f6488db97d0f04ef612790d88a2cb43762cf9ff0ce4fab1455a376433caa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        yaihotbuac.exe
        • Path C:\Windows\SysWOW64\yaihotbuac.exe
        • Size 512KB
        • SHA256 99f1b0e1c82fa5eb3c4216a35f689eb201451a5fcde181dc2bd731a37ef99ecd
        • 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 20606451b760496f1b1dabdb48673a9fd829c4150a9a5cbef43c2e846ce5ec2e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MsoIrmProtector.doc.exe
        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 41097715c0d155b1f212c8c8a6bd855b50da38e9599bea869ccfae614335230f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2796-0-0x0000000000400000-0x0000000000496000-memory.dmp
        Download

        memory/6028-39-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-253-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-40-0x00007FFFB0DA0000-0x00007FFFB0DB0000-memory.dmp
        Download

        memory/6028-95-0x000001D0536C0000-0x000001D053E6E000-memory.dmp
        Download

        memory/6028-37-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-41-0x000001D013760000-0x000001D013770000-memory.dmp
        Download

        memory/6028-42-0x00007FFFB0DA0000-0x00007FFFB0DB0000-memory.dmp
        Download

        memory/6028-36-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-38-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-249-0x000001D0536C0000-0x000001D053E6E000-memory.dmp
        Download

        memory/6028-35-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-254-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-256-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-255-0x00007FFFB37D0000-0x00007FFFB37E0000-memory.dmp
        Download

        memory/6028-257-0x000001D0536C0000-0x000001D053E6E000-memory.dmp
        Download