Analysis

  • max time kernel
    206s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 15:37

General

  • Target
    $RON9VYX.exe
  • Size 11.8MB
  • Sample240508-s2wayadh78
  • SHA256 d7e11b178fcc3d1ee7f6ad3dce6da2ea043de64d521cf3578fb09031cbdb0ae2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 64 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 33 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$RON9VYX.exe
    "C:\Users\Admin\AppData\Local\Temp\$RON9VYX.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\system32\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files\FileZilla FTP Client\fzshellext_64.dll"
      2⤵
      • Loads dropped DLL
      • Registers COM server for autorun
      • Modifies registry class
      PID:2476
    • C:\Program Files\FileZilla FTP Client\filezilla.exe
      "C:\Program Files\FileZilla FTP Client\filezilla.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2420

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        fzshellext_64.dll

        • Path C:\Program Files\FileZilla FTP Client\fzshellext_64.dll
        • Size 31KB
        • SHA256 44ca9c321f266b39b170da0218372b0a0716b9516c36255f600321e7778bc673
        • MD5 SHA1 SHA512 SSDEEP

        libfilezilla-43.dll

        • Path C:\Program Files\FileZilla FTP Client\libfilezilla-43.dll
        • Size 937KB
        • SHA256 bdc1ea011a343b36b19411cbab592936432ecec8f0d91ec6f74e10f4f10ddb09
        • MD5 SHA1 SHA512 SSDEEP

        libfzclient-private-3-67-0.dll

        • Path C:\Program Files\FileZilla FTP Client\libfzclient-private-3-67-0.dll
        • Size 1.4MB
        • SHA256 b563c8e74a44ee3303f45f5fe4c992d82dc259653636f49ca681bf34fb7e794f
        • MD5 SHA1 SHA512 SSDEEP

        libsqlite3-0.dll

        • Path C:\Program Files\FileZilla FTP Client\libsqlite3-0.dll
        • Size 1.2MB
        • SHA256 10562c70d79f84541a10158b22ba2d0be587551235a27ae7c1028f58e6d8f521
        • MD5 SHA1 SHA512 SSDEEP

        filezilla.mo

        • Path C:\Program Files\FileZilla FTP Client\locales\en\filezilla.mo
        • Size 275B
        • SHA256 dd0b523740c89630994264359e1eccef53c6848928efc7c034f993c1b3e4b22f
        • MD5 SHA1 SHA512

        filezilla.mo

        • Path C:\Program Files\FileZilla FTP Client\locales\uk_UA\filezilla.mo
        • Size 230KB
        • SHA256 e472b782d83fb60cf1bfe30e6d8faa8a122e5e7fa4c8188cc4caf55fe82be9f1
        • MD5 SHA1 SHA512 SSDEEP

        cancel.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\cancel.png
        • Size 7KB
        • SHA256 314d5ec0dbea36c3b37d48438e7bdd50178811b7ba04e46f438873de3a5c1fe0
        • MD5 SHA1 SHA512 SSDEEP

        disconnect.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\disconnect.png
        • Size 4KB
        • SHA256 bf0f361801f7dd78c748d611daeb2180d50dbd9e3a284758bc4a5e6f773758d5
        • MD5 SHA1 SHA512 SSDEEP

        leds.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\leds.png
        • Size 69KB
        • SHA256 1d6c546397e8ebf71503279d0d8da8a9343908fec4b9b1d97926ec5532efb365
        • MD5 SHA1 SHA512 SSDEEP

        localtreeview.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\localtreeview.png
        • Size 3KB
        • SHA256 a67af84c06743847ffc0edbc79ffc4a3ce93c89ff57c03c0f18c3782b5347988
        • MD5 SHA1 SHA512

        logview.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\logview.png
        • Size 4KB
        • SHA256 9bf88f5a0f4deb7035cfd2930225596b4e0767010d34f01c3ee093c17164033f
        • MD5 SHA1 SHA512 SSDEEP

        processqueue.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\processqueue.png
        • Size 7KB
        • SHA256 930281b5e99bcf3c891b48a2830f5bcfd19d2ab03f9a2cffc2594016233ccd14
        • MD5 SHA1 SHA512 SSDEEP

        queueview.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\queueview.png
        • Size 2KB
        • SHA256 444b408a816c39e965a7c960c44c8976ed99b1ef3263088b41b6a170f3747d9c
        • MD5 SHA1 SHA512

        reconnect.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\reconnect.png
        • Size 3KB
        • SHA256 981892d7fd00d58c2ed41e33bfe1cc35fda8f66d3ea1a533063cba3058331683
        • MD5 SHA1 SHA512

        refresh.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\refresh.png
        • Size 8KB
        • SHA256 e72e2057afe1c9c449c2f43a83129dc24d4349e34f40ce957b56f7f87aba927a
        • MD5 SHA1 SHA512 SSDEEP

        remotetreeview.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\remotetreeview.png
        • Size 2KB
        • SHA256 75a915c0caf149c46df534577f1fb089fac8cf0efda8fbe6115b5118942391e5
        • MD5 SHA1 SHA512

        sitemanager.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\sitemanager.png
        • Size 3KB
        • SHA256 66d6c15dd8e819e7b62d277aa237ff77c8c595f65582a368cbbc15427f82bfd2
        • MD5 SHA1 SHA512

        speedlimits.png

        • Path C:\Program Files\FileZilla FTP Client\resources\default\480x480\speedlimits.png
        • Size 12KB
        • SHA256 d42aad945404d1a5f66a168f6af3a89d34be856fca13911ee0a5d3da8ab7b084
        • MD5 SHA1 SHA512 SSDEEP

        theme.xml

        • Path C:\Program Files\FileZilla FTP Client\resources\default\theme.xml
        • Size 212B
        • SHA256 209f8abd4d06ba609d1d92943ccd2b7ef8918e88ca3f159ab8d1d6fa82ebcda1
        • MD5 SHA1 SHA512

        defaultfilters.xml

        • Path C:\Program Files\FileZilla FTP Client\resources\defaultfilters.xml
        • Size 2KB
        • SHA256 27b4c87e3f1a75ce58cce51086d8445e3c33590111a258be8344b842f74c05d0
        • MD5 SHA1 SHA512

        wxbase32u_gcc_custom.dll

        • Path C:\Program Files\FileZilla FTP Client\wxbase32u_gcc_custom.dll
        • Size 1.7MB
        • SHA256 a89efa9a7bd855e2063246ed6d60c3d84330ccdaba98904720587a2c24c9dd31
        • MD5 SHA1 SHA512 SSDEEP

        wxmsw32u_aui_gcc_custom.dll

        • Path C:\Program Files\FileZilla FTP Client\wxmsw32u_aui_gcc_custom.dll
        • Size 494KB
        • SHA256 17305a8db2b3d3c65dda7a22e918f13fec041e95feb56715c46d1fa20569fdb2
        • MD5 SHA1 SHA512 SSDEEP

        wxmsw32u_core_gcc_custom.dll

        • Path C:\Program Files\FileZilla FTP Client\wxmsw32u_core_gcc_custom.dll
        • Size 5.0MB
        • SHA256 5a8d63246000f4e53a60612ee34613d7f54e5ac9e8bace7d0c71737ace30f653
        • MD5 SHA1 SHA512 SSDEEP

        wxmsw32u_xrc_gcc_custom.dll

        • Path C:\Program Files\FileZilla FTP Client\wxmsw32u_xrc_gcc_custom.dll
        • Size 728KB
        • SHA256 95e36f082ac1bd2ee75c7c3d7371c8332cd5f36b3af0e4146689ee8790e7f244
        • MD5 SHA1 SHA512 SSDEEP

        zlib1.dll

        • Path C:\Program Files\FileZilla FTP Client\zlib1.dll
        • Size 142KB
        • SHA256 c86bae1e3aed5223a591cf555fb441f89151ca1b4fd285535887bef4e25fe0e8
        • MD5 SHA1 SHA512 SSDEEP

        FileZilla.lnk

        • Path C:\ProgramData\Microsoft\Windows\Start Menu\Programs\FileZilla FTP Client\FileZilla.lnk
        • Size 991B
        • SHA256 703a69009b63c793b4e7de8785e24f274ae04596ae5be2e0d3f13e1451349a41
        • MD5 SHA1 SHA512

        filezilla.exe

        • Path \Program Files\FileZilla FTP Client\filezilla.exe
        • Size 4.0MB
        • SHA256 26d717e65101b0ccd5d491c406f76a216381410890508d3d154d5aa073698887
        • MD5 SHA1 SHA512 SSDEEP

        fzshellext.dll

        • Path \Program Files\FileZilla FTP Client\fzshellext.dll
        • Size 33KB
        • SHA256 c085caea2677b0eeaeecb9afe7e0bad83c2a94fc78d5c3f7819bc7314e54ec69
        • MD5 SHA1 SHA512 SSDEEP

        libfzclient-commonui-private-3-67-0.dll

        • Path \Program Files\FileZilla FTP Client\libfzclient-commonui-private-3-67-0.dll
        • Size 611KB
        • SHA256 204f83f6bbdb707ddad08949403512035f30c10dea6f034b2d41c065f0255f3e
        • MD5 SHA1 SHA512 SSDEEP

        libgcc_s_seh-1.dll

        • Path \Program Files\FileZilla FTP Client\libgcc_s_seh-1.dll
        • Size 115KB
        • SHA256 7b108e6a2ac50fb4599940058be5c6eed8b74691cdfe4c082aa6d47b341ade67
        • MD5 SHA1 SHA512 SSDEEP

        libgmp-10.dll

        • Path \Program Files\FileZilla FTP Client\libgmp-10.dll
        • Size 635KB
        • SHA256 dcfe75f06ff67b0e94035831f8a7f5e23757535235ffea2350b64783841a8f27
        • MD5 SHA1 SHA512 SSDEEP

        libgnutls-30.dll

        • Path \Program Files\FileZilla FTP Client\libgnutls-30.dll
        • Size 2.0MB
        • SHA256 3b3ac6b039cbf6013dae1dac0d4d8394535994bd4b97cc2ee3de546f0891df92
        • MD5 SHA1 SHA512 SSDEEP

        libhogweed-6.dll

        • Path \Program Files\FileZilla FTP Client\libhogweed-6.dll
        • Size 268KB
        • SHA256 3dcef7e1f8a7d6b89d32f5d7ee79d085c1a51a2b9adbe9862cc2bc88a72a3b36
        • MD5 SHA1 SHA512 SSDEEP

        libnettle-8.dll

        • Path \Program Files\FileZilla FTP Client\libnettle-8.dll
        • Size 321KB
        • SHA256 173ddb2a966a153d9e21cba1b222d3ba3e461ea4793bbd6f8bbbc9447a59cc81
        • MD5 SHA1 SHA512 SSDEEP

        libpng16-16.dll

        • Path \Program Files\FileZilla FTP Client\libpng16-16.dll
        • Size 235KB
        • SHA256 66141f686a865780e8e6e240ccba68b4442b5fb50faa0a9297f1e42dda20f752
        • MD5 SHA1 SHA512 SSDEEP

        libstdc++-6.dll

        • Path \Program Files\FileZilla FTP Client\libstdc++-6.dll
        • Size 1.9MB
        • SHA256 d1bc20acf8dffd5d682badf966dd884a3f4373abf509995ebc24f8fb7b15a30d
        • MD5 SHA1 SHA512 SSDEEP

        uninstall.exe

        • Path \Program Files\FileZilla FTP Client\uninstall.exe
        • Size 99KB
        • SHA256 cd38d02eedd30ef6d358dc18a1e1480e8571134e78396e8a099e8ec830b53c29
        • MD5 SHA1 SHA512 SSDEEP

        wxbase32u_xml_gcc_custom.dll

        • Path \Program Files\FileZilla FTP Client\wxbase32u_xml_gcc_custom.dll
        • Size 235KB
        • SHA256 85f7a0df6b7ebaa46f6a255de0db92f939441fd509c5dbd605d01b6c1bc98115
        • MD5 SHA1 SHA512 SSDEEP

        StartMenu.dll

        • Path \Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\StartMenu.dll
        • Size 7KB
        • SHA256 110545415a59402635e1c9439acba15b44bab268ed02ad2a262ce12604a47855
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\System.dll
        • Size 12KB
        • SHA256 9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
        • MD5 SHA1 SHA512 SSDEEP

        UAC.dll

        • Path \Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\UAC.dll
        • Size 14KB
        • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 4913d4cccf84cd0534069107cff3e8e2f427160cad841547db9019310ac86cc7
        • MD5 SHA1 SHA512

        nsDialogs.dll

        • Path \Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 4b7d17da290f41ebe244827cc295ce7e580da2f7e9f7cc3efc1abc6898e3c9ed
        • MD5 SHA1 SHA512 SSDEEP

        nsis_appid.dll

        • Path \Users\Admin\AppData\Local\Temp\nsi1FC2.tmp\nsis_appid.dll
        • Size 3KB
        • SHA256 e9e1ba410636698d666b328eea71346b8287248d262e44da07ce8b5fa24c5e5f
        • MD5 SHA1 SHA512

        memory/2420-1002-0x000007FEF5130000-0x000007FEF51B2000-memory.dmp

        memory/2420-996-0x000007FEF7260000-0x000007FEF72A9000-memory.dmp

        memory/2420-1007-0x0000000066380000-0x00000000664BB000-memory.dmp

        memory/2420-1006-0x000007FEF4B20000-0x000007FEF4B60000-memory.dmp

        memory/2420-1005-0x000007FEF4B60000-0x000007FEF4C1A000-memory.dmp

        memory/2420-1004-0x0000000075060000-0x000000007509F000-memory.dmp

        memory/2420-1003-0x000007FEF4C20000-0x000007FEF5121000-memory.dmp

        memory/2420-1001-0x0000000075130000-0x0000000075159000-memory.dmp

        memory/2420-999-0x000007FEF5390000-0x000007FEF5577000-memory.dmp

        memory/2420-998-0x000007FEF7230000-0x000007FEF7251000-memory.dmp

        memory/2420-997-0x000007FEF6E40000-0x000007FEF6E95000-memory.dmp

        memory/2420-990-0x000000011F080000-0x000000011F48E000-memory.dmp

        memory/2420-995-0x000007FEF5580000-0x000007FEF5793000-memory.dmp

        memory/2420-994-0x000007FEF57A0000-0x000007FEF5844000-memory.dmp

        memory/2420-993-0x000007FEF5850000-0x000007FEF593F000-memory.dmp

        memory/2420-992-0x000007FEF5940000-0x000007FEF5A9D000-memory.dmp

        memory/2420-991-0x000007FEF5AA0000-0x000007FEF5B3E000-memory.dmp

        memory/2420-1000-0x000007FEF51C0000-0x000007FEF5384000-memory.dmp

        memory/2420-1019-0x000007FEF51C0000-0x000007FEF5384000-memory.dmp

        memory/2420-1022-0x000007FEF4C20000-0x000007FEF5121000-memory.dmp

        memory/2420-1040-0x000007FEF4C20000-0x000007FEF5121000-memory.dmp