Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 11:09

General

  • Target
    [email protected]
  • Size 1.3MB
  • Sample260930-m9b95ssdlf
  • SHA256 9d45ae1d8d3749efbe72b24bc20142e8c55b88a0733a45e5fe8579cf24981f33
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs
  • Suspicious use of SetWindowsHookEx 26 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\SysWOW64\wscript.exe
      wscript //B C:\Users\Admin\AppData\Local\Temp\pin.vbs "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Antivirus XP 2008" "Antivirus XP 2008.lnk"
      2⤵
      • Checks computer location settings
      • Executes a VBScript file via the Windows Script Host.
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4772
    • C:\Windows\SysWOW64\wscript.exe
      wscript //B C:\Users\Admin\AppData\Local\Temp\pin.vbs "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Antivirus XP 2008" "Register Antivirus XP 2008.lnk"
      2⤵
      • Checks computer location settings
      • Executes a VBScript file via the Windows Script Host.
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4788
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c ffbn.bat "C:\Users\Admin\AppData\Local\Temp\[email protected]"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:1040
    • C:\Program Files (x86)\rhc3hhj0e9fd\rhc3hhj0e9fd.exe
      "C:\Program Files (x86)\rhc3hhj0e9fd\rhc3hhj0e9fd.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1200
  • C:\Program Files (x86)\rhc3hhj0e9fd\rhc3hhj0e9fd.exe
    "C:\Program Files (x86)\rhc3hhj0e9fd\rhc3hhj0e9fd.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Windows\SysWOW64\pphc7hhj0e9fd.exe
      "C:\Windows\system32\pphc7hhj0e9fd.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4016

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MFC71.dll

        • Path C:\Program Files (x86)\rhc3hhj0e9fd\MFC71.dll
        • Size 1.0MB
        • SHA256 4da5efdc46d126b45daeee8bc69c0ba2aa243589046b7dfd12a7e21b9bee6a32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MFC71ENU.DLL

        • Path C:\Program Files (x86)\rhc3hhj0e9fd\MFC71ENU.DLL
        • Size 56KB
        • SHA256 177b0bac987e7882449bd7c5900406f61a997f97ea1797614c8d86f40f03648b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        database.dat

        • Path C:\Program Files (x86)\rhc3hhj0e9fd\database.dat
        • Size 1KB
        • SHA256 cce53b914eb6cfeecf42d38933b4ed9cae27e06bb97c9ade3f79342c74505d09
        • MD5 SHA1 SHA512 TLSH

        msvcp71.dll

        • Path C:\Program Files (x86)\rhc3hhj0e9fd\msvcp71.dll
        • Size 488KB
        • SHA256 df96156f6a548fd6fe5672918de5ae4509d3c810a57bffd2a91de45a3ed5b23b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcr71.dll

        • Path C:\Program Files (x86)\rhc3hhj0e9fd\msvcr71.dll
        • Size 340KB
        • SHA256 8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rhc3hhj0e9fd.exe

        • Path C:\Program Files (x86)\rhc3hhj0e9fd\rhc3hhj0e9fd.exe
        • Size 9.0MB
        • SHA256 d42b135a1e70b6f7d0d98c340f4b529f722953cf57e573bb21a078f50f2016b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Antivirus XP 2008.lnk

        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Antivirus XP 2008\Antivirus XP 2008.lnk
        • Size 1KB
        • SHA256 4ae7b0bbed55a4a0b8a8042f4bc041e6ed37dae957f3ff3da6d87f175e8bfbb6
        • MD5 SHA1 SHA512 TLSH

        Register Antivirus XP 2008.lnk

        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Antivirus XP 2008\Register Antivirus XP 2008.lnk
        • Size 1KB
        • SHA256 4d45eb53d54b8b6d7473122a32bed61684c7e74ed3a177720d81546045bdfe6e
        • MD5 SHA1 SHA512 TLSH

        ffbn.bat

        • Path C:\Users\Admin\AppData\Local\Temp\ffbn.bat
        • Size 70B
        • SHA256 30c55012548697052877b13150bedae3156f9a502557d1ea816dbed647b4a8f8
        • MD5 SHA1 SHA512 TLSH

        KillSelf.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsxC9D5.tmp\KillSelf.dll
        • Size 5KB
        • SHA256 c25cbc60ff1ccca811239655636717c9ff4decb9190a557489389504b248d037
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MachineKey.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsxC9D5.tmp\MachineKey.dll
        • Size 52KB
        • SHA256 dd2f2d8c0a7d767be40b0f83ac6339ec86068e4ba0f4cd0e3e5b99050dd84fcf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Mutex.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsxC9D5.tmp\Mutex.dll
        • Size 3KB
        • SHA256 d02a2c0c9917a5ff728400357aa231473cd20da01b538a0e19bc0c0b885ea212
        • MD5 SHA1 SHA512 TLSH

        lastpage.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsxC9D5.tmp\lastpage.ini
        • Size 214B
        • SHA256 99cc25682aa82e36757361afdd6e0436ff56cdc03993e6d60f20d052f8b9dbe5
        • MD5 SHA1 SHA512 TLSH

        pin.vbs

        • Path C:\Users\Admin\AppData\Local\Temp\pin.vbs
        • Size 287B
        • SHA256 22804ed36ad186b3ab18605719c83e70b6244f60aba00e16ca8f97d80b5cc0e4
        • MD5 SHA1 SHA512 TLSH

        pphc7hhj0e9fd.exe

        • Path C:\Windows\SysWOW64\pphc7hhj0e9fd.exe
        • Size 92KB
        • SHA256 f6963bc0c9343d33102628766539d849939188c7fb05db82e9a9f49920a98330
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/840-100-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-104-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-38-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-37-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-36-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-110-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-97-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-98-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-99-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-39-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-101-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-102-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-103-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-109-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-105-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-106-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-107-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/840-108-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/1200-91-0x0000000000400000-0x0000000000D72000-memory.dmp

        memory/1200-93-0x0000000000400000-0x0000000000D72000-memory.dmp