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Analysis

  • max time kernel
    24s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    30/06/2023, 15:48 UTC

General

  • Target

    Wattylexe.exe

  • Size

    477KB

  • MD5

    34e03669773d47d0d8f01be78ae484e4

  • SHA1

    4b0a7e2af2c28ae191737ba07632ed354d35c978

  • SHA256

    2919b157d8d2161bf56a17af0efc171d8e2c3c233284cf116e8c968dd9704572

  • SHA512

    8d93fab3c2544d015af2d84f07d3ebbf8acead8bb0185ffb045302b2be19ac12cd2ac59288313bd75bc230768c90e68139c124ea89df943776b1cfaac4876a7f

  • SSDEEP

    6144:ZvZ2iKiZ/QAKVfiROzkViZwc0W/1vNuMqTp/CelAaWjSZ/nnnKCXP7:J7wVfiRuqPW/dgMqIHdjSFnnKCX

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Wattylexe.exe
    "C:\Users\Admin\AppData\Local\Temp\Wattylexe.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:924
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
          PID:468
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\RVHOST.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:632
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\RVHOST.exe
          3⤵
            PID:568

      Network

      • flag-us
        DNS
        nhatquanglan2.0catch.com
        Wattylexe.exe
        Remote address:
        8.8.8.8:53
        Request
        nhatquanglan2.0catch.com
        IN A
        Response
      • flag-us
        DNS
        www.freewebs.com
        Wattylexe.exe
        Remote address:
        8.8.8.8:53
        Request
        www.freewebs.com
        IN A
        Response
        www.freewebs.com
        IN CNAME
        domains.vpsiteserver00.com
        domains.vpsiteserver00.com
        IN A
        104.17.25.109
        domains.vpsiteserver00.com
        IN A
        104.17.23.109
        domains.vpsiteserver00.com
        IN A
        104.17.22.109
        domains.vpsiteserver00.com
        IN A
        104.17.24.109
        domains.vpsiteserver00.com
        IN A
        104.17.26.109
      • flag-us
        GET
        http://www.freewebs.com/nhattruongquang/setting.nql
        Wattylexe.exe
        Remote address:
        104.17.25.109:80
        Request
        GET /nhattruongquang/setting.nql HTTP/1.1
        Host: www.freewebs.com
        Cache-Control: no-cache
        Response
        HTTP/1.1 301 Moved Permanently
        Date: Fri, 30 Jun 2023 15:48:21 GMT
        Transfer-Encoding: chunked
        Connection: keep-alive
        Cache-Control: max-age=3600
        Expires: Fri, 30 Jun 2023 16:48:21 GMT
        Location: https://www.freewebs.com/nhattruongquang/setting.nql
        Server: cloudflare
        CF-RAY: 7df78d9559f0b95c-AMS
        alt-svc: h3=":443"; ma=86400
      • flag-us
        GET
        http://www.freewebs.com/nhattruongquang/setting.xls
        Wattylexe.exe
        Remote address:
        104.17.25.109:80
        Request
        GET /nhattruongquang/setting.xls HTTP/1.1
        Host: www.freewebs.com
        Cache-Control: no-cache
        Response
        HTTP/1.1 301 Moved Permanently
        Date: Fri, 30 Jun 2023 15:48:24 GMT
        Transfer-Encoding: chunked
        Connection: keep-alive
        Cache-Control: max-age=3600
        Expires: Fri, 30 Jun 2023 16:48:24 GMT
        Location: https://www.freewebs.com/nhattruongquang/setting.xls
        Server: cloudflare
        CF-RAY: 7df78da74eb0b95c-AMS
        alt-svc: h3=":443"; ma=86400
      • flag-us
        GET
        https://www.freewebs.com/nhattruongquang/setting.nql
        Wattylexe.exe
        Remote address:
        104.17.25.109:443
        Request
        GET /nhattruongquang/setting.nql HTTP/1.1
        Host: www.freewebs.com
        Cache-Control: no-cache
        Connection: Keep-Alive
        Response
        HTTP/1.1 301 Moved Permanently
        Date: Fri, 30 Jun 2023 15:48:23 GMT
        Transfer-Encoding: chunked
        Connection: keep-alive
        Cache-Control: max-age=3600
        Expires: Fri, 30 Jun 2023 16:48:23 GMT
        Location: https://nhattruongquang.webs.com/setting.nql
        Server: cloudflare
        CF-RAY: 7df78da17e201c08-AMS
        alt-svc: h3=":443"; ma=86400
      • flag-us
        GET
        https://www.freewebs.com/nhattruongquang/setting.xls
        Wattylexe.exe
        Remote address:
        104.17.25.109:443
        Request
        GET /nhattruongquang/setting.xls HTTP/1.1
        Host: www.freewebs.com
        Cache-Control: no-cache
        Connection: Keep-Alive
        Response
        HTTP/1.1 301 Moved Permanently
        Date: Fri, 30 Jun 2023 15:48:24 GMT
        Transfer-Encoding: chunked
        Connection: keep-alive
        Cache-Control: max-age=3600
        Expires: Fri, 30 Jun 2023 16:48:24 GMT
        Location: https://nhattruongquang.webs.com/setting.xls
        Server: cloudflare
        CF-RAY: 7df78da77d621c08-AMS
        alt-svc: h3=":443"; ma=86400
      • flag-us
        DNS
        nhattruongquang.webs.com
        Wattylexe.exe
        Remote address:
        8.8.8.8:53
        Request
        nhattruongquang.webs.com
        IN A
        Response
        nhattruongquang.webs.com
        IN A
        104.18.151.58
        nhattruongquang.webs.com
        IN A
        104.18.150.58
      • flag-us
        GET
        https://nhattruongquang.webs.com/setting.nql
        Wattylexe.exe
        Remote address:
        104.18.151.58:443
        Request
        GET /setting.nql HTTP/1.1
        Cache-Control: no-cache
        Connection: Keep-Alive
        Host: nhattruongquang.webs.com
        Response
        HTTP/1.1 404 Not Found
        Date: Fri, 30 Jun 2023 15:48:24 GMT
        Content-Type: text/html
        Transfer-Encoding: chunked
        Connection: keep-alive
        Access-Control-Allow-Origin: https://developer.cimpress.io
        Cache-Control: no-cache
        Vary: Accept-Encoding
        CF-Cache-Status: MISS
        Server: cloudflare
        CF-RAY: 7df78da36d550b53-AMS
      • flag-us
        GET
        https://nhattruongquang.webs.com/setting.xls
        Wattylexe.exe
        Remote address:
        104.18.151.58:443
        Request
        GET /setting.xls HTTP/1.1
        Cache-Control: no-cache
        Connection: Keep-Alive
        Host: nhattruongquang.webs.com
        Response
        HTTP/1.1 404 Not Found
        Date: Fri, 30 Jun 2023 15:48:25 GMT
        Content-Type: text/html
        Transfer-Encoding: chunked
        Connection: keep-alive
        Access-Control-Allow-Origin: https://developer.cimpress.io
        Cache-Control: no-cache
        Vary: Accept-Encoding
        CF-Cache-Status: MISS
        Server: cloudflare
        CF-RAY: 7df78da8cf2c0a47-AMS
      • 104.17.25.109:80
        http://www.freewebs.com/nhattruongquang/setting.xls
        http
        Wattylexe.exe
        562 B
        1.7kB
        8
        7

        HTTP Request

        GET http://www.freewebs.com/nhattruongquang/setting.nql

        HTTP Response

        301

        HTTP Request

        GET http://www.freewebs.com/nhattruongquang/setting.xls

        HTTP Response

        301
      • 104.17.25.109:443
        https://www.freewebs.com/nhattruongquang/setting.xls
        tls, http
        Wattylexe.exe
        1.1kB
        5.9kB
        12
        12

        HTTP Request

        GET https://www.freewebs.com/nhattruongquang/setting.nql

        HTTP Response

        301

        HTTP Request

        GET https://www.freewebs.com/nhattruongquang/setting.xls

        HTTP Response

        301
      • 104.18.151.58:443
        https://nhattruongquang.webs.com/setting.nql
        tls, http
        Wattylexe.exe
        1.1kB
        15.3kB
        14
        19

        HTTP Request

        GET https://nhattruongquang.webs.com/setting.nql

        HTTP Response

        404
      • 104.18.151.58:443
        https://nhattruongquang.webs.com/setting.xls
        tls, http
        Wattylexe.exe
        1.1kB
        14.0kB
        13
        18

        HTTP Request

        GET https://nhattruongquang.webs.com/setting.xls

        HTTP Response

        404
      • 8.8.8.8:53
        nhatquanglan2.0catch.com
        dns
        Wattylexe.exe
        70 B
        154 B
        1
        1

        DNS Request

        nhatquanglan2.0catch.com

      • 8.8.8.8:53
        www.freewebs.com
        dns
        Wattylexe.exe
        62 B
        179 B
        1
        1

        DNS Request

        www.freewebs.com

        DNS Response

        104.17.25.109
        104.17.23.109
        104.17.22.109
        104.17.24.109
        104.17.26.109

      • 8.8.8.8:53
        nhattruongquang.webs.com
        dns
        Wattylexe.exe
        70 B
        102 B
        1
        1

        DNS Request

        nhattruongquang.webs.com

        DNS Response

        104.18.151.58
        104.18.150.58

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Cab3823.tmp

        Filesize

        62KB

        MD5

        3ac860860707baaf32469fa7cc7c0192

        SHA1

        c33c2acdaba0e6fa41fd2f00f186804722477639

        SHA256

        d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

        SHA512

        d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

      • C:\Users\Admin\AppData\Local\Temp\Tar38B3.tmp

        Filesize

        164KB

        MD5

        4ff65ad929cd9a367680e0e5b1c08166

        SHA1

        c0af0d4396bd1f15c45f39d3b849ba444233b3a2

        SHA256

        c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

        SHA512

        f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

      • memory/1956-58-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

      • memory/1956-116-0x0000000000400000-0x000000000048D000-memory.dmp

        Filesize

        564KB

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