Analysis

  • max time kernel
    38s
  • max time network
    40s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/08/2026, 18:13

Errors

Reason
Machine shutdown

General

  • Target
    fo-wsftp605.exe
  • Size 1.9MB
  • Sample260821-wtw42sam21
  • SHA256 2d19814d33cf0770b925104b91418bf364c78e59b1d94a45a62a5fe6a2c157c1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 10 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 Program Files directory 36 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fo-wsftp605.exe
    "C:\Users\Admin\AppData\Local\Temp\fo-wsftp605.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    PID:2804
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4656
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x4 /state0:0xa3943055 /state1:0x41c64e6d
      1⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of SetWindowsHookEx
      PID:2800

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          ftppro32.dll

          • Path C:\Program Files\WS_FTP Pro\ftppro32.dll
          • Size 300KB
          • SHA256 a7ee486f49f7145f7171c210955b710bd2944f0a2adf4448c51e1817e129c90e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ftpproex.dll

          • Path C:\Program Files\WS_FTP Pro\ftpproex.dll
          • Size 560KB
          • SHA256 240bc27914f0df384df691ef271e41a9741f65584f86b8d60a74c25a4e2d5696
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ftpstub.dll

          • Path C:\Program Files\WS_FTP Pro\ftpstub.dll
          • Size 36KB
          • SHA256 2d0d3f47407f1d7f81f5b3b9a8c5c35e6b3d1ff840edc21b8b6b62827d5647e2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsftpch.dll

          • Path C:\Program Files\WS_FTP Pro\nsftpch.dll
          • Size 40KB
          • SHA256 7983c8a2c04dd2b141b1970cc47a380edffbd1dc4ba2028cb1cac65b3c9e4917
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Install.ini

          • Path C:\Users\Admin\AppData\Local\Temp\Install.ini
          • Size 967B
          • SHA256 aa1a183349c7fcd0aee6308571f1b46f127006bdf53ee8999a484383e797db77
          • MD5 SHA1 SHA512 TLSH

          memory/2804-10-0x0000000000419000-0x000000000041A000-memory.dmp

          memory/2804-142-0x0000000002430000-0x000000000243B000-memory.dmp

          memory/2804-148-0x0000000002470000-0x0000000002502000-memory.dmp

          memory/2804-154-0x0000000002550000-0x00000000025A1000-memory.dmp

          memory/2804-164-0x0000000002440000-0x000000000244B000-memory.dmp