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Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 14:43 UTC

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    11KB

  • MD5

    cf85183b87314359488b850f9e97a698

  • SHA1

    6b6c790037eec7ebea4d05590359cb4473f19aea

  • SHA256

    3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

  • SHA512

    fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

  • SSDEEP

    96:3IsUxO9udx4qYp7AJb76BykUbQMtHUOA5Iv+RnsrqeXV+d1g2IW9t2c+cEwF9oug:YVL7ikJb76BQUoUm+RnyXVYO2RvHoug

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • 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:4664
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 612
        3⤵
        • Program crash
        PID:4020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4908 -ip 4908
    1⤵
      PID:1900

    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.ax-0001.ax-msedge.net
      g-bing-com.ax-0001.ax-msedge.net
      IN CNAME
      ax-0001.ax-msedge.net
      ax-0001.ax-msedge.net
      IN A
      150.171.28.10
      ax-0001.ax-msedge.net
      IN A
      150.171.27.10
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid=
      Remote address:
      150.171.28.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&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=1094A7D5A7426F3104D1B2C1A6DD6EFD; domain=.bing.com; expires=Tue, 04-Nov-2025 14:43:19 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: D98D1AB70C0C4268AAAA24F0DBCD6C64 Ref B: LON601060104060 Ref C: 2024-10-10T14:43:19Z
      date: Thu, 10 Oct 2024 14:43:19 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid=
      Remote address:
      150.171.28.10:443
      Request
      GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=1094A7D5A7426F3104D1B2C1A6DD6EFD
      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=qhqKnGqkEHzG_6NInqGecFuPvYyb5J7jXb3DrtPH42U; domain=.bing.com; expires=Tue, 04-Nov-2025 14:43:19 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: 7ABDC19A9DCD42418D34F48E64197063 Ref B: LON601060104060 Ref C: 2024-10-10T14:43:19Z
      date: Thu, 10 Oct 2024 14:43:19 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid=
      Remote address:
      150.171.28.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=1094A7D5A7426F3104D1B2C1A6DD6EFD; MSPTC=qhqKnGqkEHzG_6NInqGecFuPvYyb5J7jXb3DrtPH42U
      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: 228D83098A6A4889BA571C3DB3D7C1B8 Ref B: LON601060104060 Ref C: 2024-10-10T14:43:19Z
      date: Thu, 10 Oct 2024 14:43:19 GMT
    • flag-us
      DNS
      240.221.184.93.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.221.184.93.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      10.28.171.150.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      10.28.171.150.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      23.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      23.159.190.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      56.163.245.4.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      56.163.245.4.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      171.39.242.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      171.39.242.20.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
      19.229.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      19.229.111.52.in-addr.arpa
      IN PTR
      Response
    • 150.171.28.10:443
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid=
      tls, http2
      2.0kB
      9.4kB
      22
      19

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=3d7fb92786484172ad079666f23fff8e&localId=w:740B9CEB-14AC-B2F7-6798-137B0EC388FF&deviceId=6825841072483399&anid=

      HTTP Response

      204
    • 8.8.8.8:53
      g.bing.com
      dns
      56 B
      148 B
      1
      1

      DNS Request

      g.bing.com

      DNS Response

      150.171.28.10
      150.171.27.10

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

      DNS Request

      10.28.171.150.in-addr.arpa

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

      DNS Request

      240.221.184.93.in-addr.arpa

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

      DNS Request

      23.159.190.20.in-addr.arpa

    • 8.8.8.8:53
      56.163.245.4.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      56.163.245.4.in-addr.arpa

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

      DNS Request

      171.39.242.20.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
      19.229.111.52.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      19.229.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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