Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 15:21

General

  • Target
    894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.exe
  • Size 13.3MB
  • Sample260813-srf39sstat
  • SHA256 894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.exe
    "C:\Users\Admin\AppData\Local\Temp\894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\is-W3WNMJFS7O.tmp\894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-W3WNMJFS7O.tmp\894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.tmp" /SL5="$301E2,12737262,893952,C:\Users\Admin\AppData\Local\Temp\894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4492
      • C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\letsflutssh.exe
        "C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\letsflutssh.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:2196

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        app_links_plugin.dll

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\app_links_plugin.dll
        • Size 136KB
        • SHA256 462e4b4997e5e63bcae4f85bdfc6e10e9905c72c2bbb9df4f80a9020d4efa278
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.so

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\app.so
        • Size 11.5MB
        • SHA256 62a599f928db008317eb150b4b1289d9e25e9a608f67166185c4e218288a25cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FontManifest.json

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\FontManifest.json
        • Size 227B
        • SHA256 6860c5ad3b9a3b9e46e661149d18a558098b6e115189d0ca6ef38a1e69e9e190
        • MD5 SHA1 SHA512 TLSH

        NativeAssetsManifest.json

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\NativeAssetsManifest.json
        • Size 133B
        • SHA256 81edc7faa6975fec4a647e9c82237ef9e0aaeaa66d37d5b4f785b383c25ed3a1
        • MD5 SHA1 SHA512 TLSH

        Inter.ttf

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\assets\fonts\Inter.ttf
        • Size 856KB
        • SHA256 29160a80ff49ddcab2c97711247e08b1fab27a484a329ce8b813d820dc559031
        • MD5 SHA1 SHA512 SSDEEP TLSH

        JetBrainsMono.ttf

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\assets\fonts\JetBrainsMono.ttf
        • Size 182KB
        • SHA256 48715a42ec242c21e9f02692891e147d022299a52e48d5e413e1a942193ffeda
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MaterialIcons-Regular.otf

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\flutter_assets\fonts\MaterialIcons-Regular.otf
        • Size 1.6MB
        • SHA256 d9865b671a09d683d13a863089d8825e0f61a37696ce5d7d448bc8023aa62453
        • MD5 SHA1 SHA512 SSDEEP TLSH

        icudtl.dat

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\data\icudtl.dat
        • Size 842KB
        • SHA256 998367809a821d595928089c197b3f7959f0420f81f79d4d0daee53378492ed5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        desktop_drop_plugin.dll

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\desktop_drop_plugin.dll
        • Size 89KB
        • SHA256 6b585a74bf5bd062d091d3d8fa8116288e04db3ad426f8c5aa7266d066bca30a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        flutter_secure_storage_windows_plugin.dll

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\flutter_secure_storage_windows_plugin.dll
        • Size 156KB
        • SHA256 5c315ce38c2bcfb387ad4e2ce5fbf76a6098a106fbf2bd596bc02216c3233201
        • MD5 SHA1 SHA512 SSDEEP TLSH

        flutter_windows.dll

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\flutter_windows.dll
        • Size 19.8MB
        • SHA256 c0304beba5fe98477177e151c673adad98d0442f50efa25d03ff5f207cc21056
        • MD5 SHA1 SHA512 SSDEEP TLSH

        letsflutssh.exe

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\letsflutssh.exe
        • Size 134KB
        • SHA256 047e51485d32a95abd6b02b13c20e2b95234ff79f4c740cde8842d9c34fb1128
        • MD5 SHA1 SHA512 SSDEEP TLSH

        local_auth_windows_plugin.dll

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\local_auth_windows_plugin.dll
        • Size 173KB
        • SHA256 cf2e6fd84c5b264681d99544cbea5a90f10a178581e68dde2b6cd3ac28b3f9a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        url_launcher_windows_plugin.dll

        • Path C:\Users\Admin\AppData\Local\Programs\LetsFLUTssh\url_launcher_windows_plugin.dll
        • Size 96KB
        • SHA256 692a481619c1542b737c75f6710ee8f3c8849d9f559aaf304b4d180d1225396d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-W3WNMJFS7O.tmp\894d10789d061c2a2a8056956364fe11686e48a3f9a69b19a0bfe65db4649d40.tmp
        • Size 4.2MB
        • SHA256 208908973308e0bee6e788d71fd22f9f60c67acdd0fbf251edbbdddf432a694f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2196-90-0x000001FD248E0000-0x000001FD25469000-memory.dmp

        memory/2196-88-0x000001FD248E0000-0x000001FD25469000-memory.dmp

        memory/2196-91-0x000001FD248B0000-0x000001FD248B1000-memory.dmp

        memory/2196-89-0x000001FD248E0000-0x000001FD25469000-memory.dmp

        memory/2196-87-0x000001FD21C90000-0x000001FD21C91000-memory.dmp

        memory/2400-8-0x00000000001D0000-0x00000000002B9000-memory.dmp

        memory/2400-93-0x00000000001D0000-0x00000000002B9000-memory.dmp

        memory/2400-1-0x00000000001D0000-0x00000000002B9000-memory.dmp

        memory/4492-10-0x0000000001020000-0x0000000001021000-memory.dmp

        memory/4492-9-0x00000000006D0000-0x0000000000B1B000-memory.dmp

        memory/4492-6-0x0000000001020000-0x0000000001021000-memory.dmp

        memory/4492-65-0x00000000006D0000-0x0000000000B1B000-memory.dmp

        memory/4492-12-0x00000000006D0000-0x0000000000B1B000-memory.dmp

        memory/4492-85-0x00000000006D0000-0x0000000000B1B000-memory.dmp