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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 18:34 UTC

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    17KB

  • MD5

    2095af18c696968208315d4328a2b7fe

  • SHA1

    b1b0e70c03724b2941e92c5098cc1fc0f2b51568

  • SHA256

    3e2399ae5ce16dd69f7e2c71d928cf54a1024afced8155f1fd663a3e123d9226

  • SHA512

    60105dfb1cd60b4048bd7b367969f36ed6bd29f92488ba8cfa862e31942fd529cbc58e8b0c738d91d8bef07c5902ce334e36c66eae1bfe104b44a159b5615ae5

  • SSDEEP

    384:PbGgezxEqoyGgmkNFNyQH38E9VF6IYinAM+oZhc3iMy8:T31yGLkbMEpYinAMxZAy8

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
        PID:4628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4628 -s 612
          3⤵
          • Program crash
          PID:3624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4628 -ip 4628
      1⤵
        PID:3012

      Network

      • flag-us
        DNS
        58.55.71.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        58.55.71.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        203.107.17.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        203.107.17.2.in-addr.arpa
        IN PTR
        Response
        203.107.17.2.in-addr.arpa
        IN PTR
        a2-17-107-203deploystaticakamaitechnologiescom
      • flag-us
        DNS
        14.160.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        14.160.190.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        95.221.229.192.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        95.221.229.192.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        196.249.167.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        196.249.167.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        103.169.127.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        103.169.127.40.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        18.31.95.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        18.31.95.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        172.210.232.199.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        172.210.232.199.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        25.140.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        25.140.123.92.in-addr.arpa
        IN PTR
        Response
        25.140.123.92.in-addr.arpa
        IN PTR
        a92-123-140-25deploystaticakamaitechnologiescom
      • flag-us
        DNS
        29.243.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        29.243.111.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        15.173.189.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        15.173.189.20.in-addr.arpa
        IN PTR
        Response
      • 52.111.229.43:443
        322 B
        7
      • 8.8.8.8:53
        58.55.71.13.in-addr.arpa
        dns
        70 B
        144 B
        1
        1

        DNS Request

        58.55.71.13.in-addr.arpa

      • 8.8.8.8:53
        203.107.17.2.in-addr.arpa
        dns
        71 B
        135 B
        1
        1

        DNS Request

        203.107.17.2.in-addr.arpa

      • 8.8.8.8:53
        14.160.190.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        14.160.190.20.in-addr.arpa

      • 8.8.8.8:53
        95.221.229.192.in-addr.arpa
        dns
        73 B
        144 B
        1
        1

        DNS Request

        95.221.229.192.in-addr.arpa

      • 8.8.8.8:53
        196.249.167.52.in-addr.arpa
        dns
        73 B
        147 B
        1
        1

        DNS Request

        196.249.167.52.in-addr.arpa

      • 8.8.8.8:53
        103.169.127.40.in-addr.arpa
        dns
        73 B
        147 B
        1
        1

        DNS Request

        103.169.127.40.in-addr.arpa

      • 8.8.8.8:53
        18.31.95.13.in-addr.arpa
        dns
        70 B
        144 B
        1
        1

        DNS Request

        18.31.95.13.in-addr.arpa

      • 8.8.8.8:53
        172.210.232.199.in-addr.arpa
        dns
        74 B
        128 B
        1
        1

        DNS Request

        172.210.232.199.in-addr.arpa

      • 8.8.8.8:53
        25.140.123.92.in-addr.arpa
        dns
        72 B
        137 B
        1
        1

        DNS Request

        25.140.123.92.in-addr.arpa

      • 8.8.8.8:53
        29.243.111.52.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        29.243.111.52.in-addr.arpa

      • 8.8.8.8:53
        15.173.189.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        15.173.189.20.in-addr.arpa

      MITRE ATT&CK Matrix

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