Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/11/2026, 23:15

General

  • Target
    2026-11-01_47df79d117e174e29b913eefeaa8cd3a_elex_stop_yuner.exe
  • Size 512KB
  • Sample261103-28scasbf79
  • SHA256 10ed8cd2a8d665c73f1663170c16617d3f8dadf70582a02a78cf1c7d06a95b97
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Sohanad, Svich

    Sohanad is a worm written in C++.

  • Detects Sohanad worm 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • 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.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • 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
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • 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\2026-11-01_47df79d117e174e29b913eefeaa8cd3a_elex_stop_yuner.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_47df79d117e174e29b913eefeaa8cd3a_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:1524
    • C:\Windows\SysWOW64\xfklbjyfbm.exe
      xfklbjyfbm.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
      • Reads the TCP/IP host and domain name from the registry
      • 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:5756
      • C:\Windows\SysWOW64\tnqnbogk.exe
        C:\Windows\system32\tnqnbogk.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 use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:920
    • C:\Windows\SysWOW64\iwkulensbblrhxn.exe
      iwkulensbblrhxn.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:5076
    • C:\Windows\SysWOW64\tnqnbogk.exe
      tnqnbogk.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:1128
    • C:\Windows\SysWOW64\etryvmkmpfqgo.exe
      etryvmkmpfqgo.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:6068
    • 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:2152

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        gb.xsl

        • Path C:\Users\Admin\AppData\Local\Temp\TCD5CCA.tmp\gb.xsl
        • Size 262KB
        • SHA256 6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5C7E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5C7E.tmp
        • Size 28KB
        • SHA256 da2f261c3c82e229a097a9302c8580f014bb6442825db47c008da097cfce0ee4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5C8E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5C8E.tmp
        • Size 32KB
        • SHA256 df3fff163924d08517b41455f2d06788ba4e49c68337d15ecf329be48cf7da2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5C8F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5C8F.tmp
        • Size 34KB
        • SHA256 23ccfb7206a8f77a13080998ec6ef95b59b3c3e12b72b2d2ad4e53b0b26bb8c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5C90.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5C90.tmp
        • Size 30KB
        • SHA256 d250eb1f93b43efb7654b831b4183c9caec2d12d4efee8607fee70b9fab20730
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5C91.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5C91.tmp
        • Size 34KB
        • SHA256 9e46b8ba0bad6e534af33015c86396c33c5088d3ae5389217a5e90ba68252374
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5CA2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5CA2.tmp
        • Size 30KB
        • SHA256 e0100320a4f63e07c77138a89ea24a1cbd69784a89fe3bf83e35576114b4ce02
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5CA3.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5CA3.tmp
        • Size 30KB
        • SHA256 7e1a90cdb2ba7f03abcb4687f0931858bf57e13552e0e4e54ec69a27325011ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5CA4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5CA4.tmp
        • Size 45KB
        • SHA256 40e9af9284ff07fdb75c33a11a794f5333712baa4a6cf82fa529fbaf5ad0fed0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5CA5.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5CA5.tmp
        • Size 31KB
        • SHA256 5d13f9907ac381d19f0a7552fd6d9fc07c9bd42c0f9ce017fff75587e1890375
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5CA6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5CA6.tmp
        • Size 30KB
        • SHA256 cebe759bc4509700e3d23c6a5df8d889132a60ebc92260a74947eaa1089e2789
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5D2E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5D2E.tmp
        • Size 32KB
        • SHA256 3c6f66790c543d4e9d8e0e6f476b1acadf0a5fcdd561b8484d8dddadfdf8134b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5D4F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5D4F.tmp
        • Size 30KB
        • SHA256 8077c92c66d15d7e03fbff3a48bd9576b80f698a36a44316eaba81ee8043b673
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cab5D61.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\cab5D61.tmp
        • Size 30KB
        • SHA256 434576eb1a16c2d14d666a33edde76717c896d79f45df56742afd90acb9f21ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        index.dat

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
        • Size 416B
        • SHA256 4464d04b5020b3b9179e7cbccb8f0feb81af3f33a76d64a2b7dcf6e6ed6207e1
        • MD5 SHA1 SHA512 TLSH

        CUSTOM.DIC

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC
        • Size 16B
        • SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
        • MD5 SHA1 SHA512

        MQEM16V4P5XIOOAHI7SV.temp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MQEM16V4P5XIOOAHI7SV.temp
        • Size 3KB
        • SHA256 805b59e586006d6bbd5253bef32633503837dd51706bdc88a152c0470697a85b
        • MD5 SHA1 SHA512 TLSH

        XRBFZJ6NXWAK6HIKN94W.temp

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\XRBFZJ6NXWAK6HIKN94W.temp
        • Size 3KB
        • SHA256 1d6eb71e84fa24a0025bd2d81b2f2698a6dc57e317627522de72a45c68971fc4
        • MD5 SHA1 SHA512 TLSH

        etryvmkmpfqgo.exe

        • Path C:\Windows\SysWOW64\etryvmkmpfqgo.exe
        • Size 512KB
        • SHA256 10dcb03a6ef84661a57c23b2e2b4bfbf682d41be9c65af8e26455ae965678206
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iwkulensbblrhxn.exe

        • Path C:\Windows\SysWOW64\iwkulensbblrhxn.exe
        • Size 512KB
        • SHA256 358af66c7fe8ab3ea6d1a5e8c059931b3e9d878eec53e088c1ce40f1f0c3ffc2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tnqnbogk.exe

        • Path C:\Windows\SysWOW64\tnqnbogk.exe
        • Size 512KB
        • SHA256 a1415c8149cbee91b4a6fdd493e8af49103f1ee3c70a38458bb75d0b7733e46a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        xfklbjyfbm.exe

        • Path C:\Windows\SysWOW64\xfklbjyfbm.exe
        • Size 512KB
        • SHA256 f7b2dc66b957d4339ab3bdac7a0627d49ac3957e5df1d287a14af780d23a1ce9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mydoc.rtf

        • Path C:\Windows\mydoc.rtf
        • Size 223B
        • SHA256 85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
        • MD5 SHA1 SHA512 TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 5cab7e3f9a120356f5bf1d0640d1c59082e10627741c8a5d75c103385cb1e1e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MsoIrmProtector.doc.exe

        • Path \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
        • Size 512KB
        • SHA256 28123aa7b8d0d5b3ac7a49d4b5c6375f81c11acbb87fd9e9d993867755bc426c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1524-0-0x0000000000400000-0x0000000000496000-memory.dmp

        memory/2152-40-0x00007FFEF0B40000-0x00007FFEF0B50000-memory.dmp

        memory/2152-39-0x00007FFEF0B40000-0x00007FFEF0B50000-memory.dmp

        memory/2152-36-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-37-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-38-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-35-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-34-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-220-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-221-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-223-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp

        memory/2152-222-0x00007FFEF3600000-0x00007FFEF3610000-memory.dmp