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Analysis

  • max time kernel
    94s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2024, 13:53 UTC

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    11KB

  • MD5

    c17103ae9072a06da581dec998343fc1

  • SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

  • SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

  • SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • SSDEEP

    192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

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\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
        PID:1788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 620
          3⤵
          • Program crash
          PID:4724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1788 -ip 1788
      1⤵
        PID:2660

      Network

      • flag-us
        DNS
        g.bing.com
        Remote address:
        8.8.8.8:53
        Request
        g.bing.com
        IN A
        Response
        g.bing.com
        IN CNAME
        g-bing-com.dual-a-0034.a-msedge.net
        g-bing-com.dual-a-0034.a-msedge.net
        IN CNAME
        dual-a-0034.a-msedge.net
        dual-a-0034.a-msedge.net
        IN A
        204.79.197.237
        dual-a-0034.a-msedge.net
        IN A
        13.107.21.237
      • flag-us
        DNS
        g.bing.com
        Remote address:
        8.8.8.8:53
        Request
        g.bing.com
        IN A
      • flag-us
        DNS
        8.8.8.8.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        8.8.8.8.in-addr.arpa
        IN PTR
        Response
        8.8.8.8.in-addr.arpa
        IN PTR
        dnsgoogle
      • flag-us
        DNS
        8.8.8.8.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        8.8.8.8.in-addr.arpa
        IN PTR
      • flag-us
        GET
        https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid=
        Remote address:
        204.79.197.237:443
        Request
        GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid= HTTP/2.0
        host: g.bing.com
        accept-encoding: gzip, deflate
        user-agent: WindowsShellClient/9.0.40929.0 (Windows)
        Response
        HTTP/2.0 204
        cache-control: no-cache, must-revalidate
        pragma: no-cache
        expires: Fri, 01 Jan 1990 00:00:00 GMT
        set-cookie: MUID=147D2AE364F06B51315A3E5F654B6AD6; domain=.bing.com; expires=Fri, 08-Aug-2025 13:53:48 GMT; path=/; SameSite=None; Secure; Priority=High;
        strict-transport-security: max-age=31536000; includeSubDomains; preload
        access-control-allow-origin: *
        x-cache: CONFIG_NOCACHE
        accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
        x-msedge-ref: Ref A: FB7F0C02252941FBA70DB8330EA65D7A Ref B: LON04EDGE0920 Ref C: 2024-07-14T13:53:48Z
        date: Sun, 14 Jul 2024 13:53:48 GMT
      • flag-us
        GET
        https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid=
        Remote address:
        204.79.197.237:443
        Request
        GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid= HTTP/2.0
        host: g.bing.com
        accept-encoding: gzip, deflate
        user-agent: WindowsShellClient/9.0.40929.0 (Windows)
        cookie: MUID=147D2AE364F06B51315A3E5F654B6AD6
        Response
        HTTP/2.0 204
        cache-control: no-cache, must-revalidate
        pragma: no-cache
        expires: Fri, 01 Jan 1990 00:00:00 GMT
        set-cookie: MSPTC=zazAiKENat03FG7xTb9_tjy0mg3WArqwJlWODs7LiDI; domain=.bing.com; expires=Fri, 08-Aug-2025 13:53:49 GMT; path=/; Partitioned; secure; SameSite=None
        strict-transport-security: max-age=31536000; includeSubDomains; preload
        access-control-allow-origin: *
        x-cache: CONFIG_NOCACHE
        accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
        x-msedge-ref: Ref A: 6676D006DA684C1AB3DFE0882A2CA728 Ref B: LON04EDGE0920 Ref C: 2024-07-14T13:53:49Z
        date: Sun, 14 Jul 2024 13:53:48 GMT
      • flag-us
        GET
        https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid=
        Remote address:
        204.79.197.237:443
        Request
        GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid= HTTP/2.0
        host: g.bing.com
        accept-encoding: gzip, deflate
        user-agent: WindowsShellClient/9.0.40929.0 (Windows)
        cookie: MUID=147D2AE364F06B51315A3E5F654B6AD6; MSPTC=zazAiKENat03FG7xTb9_tjy0mg3WArqwJlWODs7LiDI
        Response
        HTTP/2.0 204
        cache-control: no-cache, must-revalidate
        pragma: no-cache
        expires: Fri, 01 Jan 1990 00:00:00 GMT
        strict-transport-security: max-age=31536000; includeSubDomains; preload
        access-control-allow-origin: *
        x-cache: CONFIG_NOCACHE
        accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
        x-msedge-ref: Ref A: 7860DD1990304DAC9A347E722B5235F7 Ref B: LON04EDGE0920 Ref C: 2024-07-14T13:53:49Z
        date: Sun, 14 Jul 2024 13:53:48 GMT
      • flag-us
        DNS
        133.32.126.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        133.32.126.40.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        73.144.22.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        73.144.22.2.in-addr.arpa
        IN PTR
        Response
        73.144.22.2.in-addr.arpa
        IN PTR
        a2-22-144-73deploystaticakamaitechnologiescom
      • flag-us
        DNS
        73.144.22.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        73.144.22.2.in-addr.arpa
        IN PTR
      • flag-us
        DNS
        237.197.79.204.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        237.197.79.204.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        237.197.79.204.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        237.197.79.204.in-addr.arpa
        IN PTR
      • flag-us
        DNS
        88.156.103.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        88.156.103.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        86.23.85.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        86.23.85.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        86.23.85.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        86.23.85.13.in-addr.arpa
        IN PTR
      • flag-us
        DNS
        56.126.166.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        56.126.166.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        192.142.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        192.142.123.92.in-addr.arpa
        IN PTR
        Response
        192.142.123.92.in-addr.arpa
        IN PTR
        a92-123-142-192deploystaticakamaitechnologiescom
      • flag-us
        DNS
        172.214.232.199.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        172.214.232.199.in-addr.arpa
        IN PTR
        Response
      • 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
        29.243.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        29.243.111.52.in-addr.arpa
        IN PTR
      • 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
      • 204.79.197.237:443
        https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid=
        tls, http2
        2.1kB
        9.3kB
        23
        19

        HTTP Request

        GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid=

        HTTP Response

        204

        HTTP Request

        GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid=

        HTTP Response

        204

        HTTP Request

        GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=513181c2a4d045d9a2d0bd2e566dbae0&localId=w:29030E6B-39D2-65A0-5B93-B1D2300B7E50&deviceId=6825836757756773&anid=

        HTTP Response

        204
      • 8.8.8.8:53
        g.bing.com
        dns
        112 B
        151 B
        2
        1

        DNS Request

        g.bing.com

        DNS Request

        g.bing.com

        DNS Response

        204.79.197.237
        13.107.21.237

      • 8.8.8.8:53
        8.8.8.8.in-addr.arpa
        dns
        132 B
        90 B
        2
        1

        DNS Request

        8.8.8.8.in-addr.arpa

        DNS Request

        8.8.8.8.in-addr.arpa

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

        DNS Request

        133.32.126.40.in-addr.arpa

      • 8.8.8.8:53
        73.144.22.2.in-addr.arpa
        dns
        140 B
        133 B
        2
        1

        DNS Request

        73.144.22.2.in-addr.arpa

        DNS Request

        73.144.22.2.in-addr.arpa

      • 8.8.8.8:53
        237.197.79.204.in-addr.arpa
        dns
        146 B
        143 B
        2
        1

        DNS Request

        237.197.79.204.in-addr.arpa

        DNS Request

        237.197.79.204.in-addr.arpa

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

        DNS Request

        88.156.103.20.in-addr.arpa

      • 8.8.8.8:53
        86.23.85.13.in-addr.arpa
        dns
        140 B
        144 B
        2
        1

        DNS Request

        86.23.85.13.in-addr.arpa

        DNS Request

        86.23.85.13.in-addr.arpa

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

        DNS Request

        56.126.166.20.in-addr.arpa

      • 8.8.8.8:53
        192.142.123.92.in-addr.arpa
        dns
        73 B
        139 B
        1
        1

        DNS Request

        192.142.123.92.in-addr.arpa

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

        DNS Request

        172.214.232.199.in-addr.arpa

      • 8.8.8.8:53
        29.243.111.52.in-addr.arpa
        dns
        216 B
        158 B
        3
        1

        DNS Request

        29.243.111.52.in-addr.arpa

        DNS Request

        29.243.111.52.in-addr.arpa

        DNS Request

        29.243.111.52.in-addr.arpa

      MITRE ATT&CK Matrix

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