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Analysis

  • max time kernel
    35s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 11:33 UTC

General

  • Target

    $PLUGINSDIR/LangDLL.dll

  • Size

    5KB

  • MD5

    50016010fb0d8db2bc4cd258ceb43be5

  • SHA1

    44ba95ee12e69da72478cf358c93533a9c7a01dc

  • SHA256

    32230128c18574c1e860dfe4b17fe0334f685740e27bc182e0d525a8948c9c2e

  • SHA512

    ed4cf49f756fbf673449dca20e63dce6d3a612b61f294efc9c3ccebeffa6a1372667932468816d3a7afdb7e5a652760689d8c6d3f331cedee7247404c879a233

  • SSDEEP

    48:S46+/pTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8m/ofjLl:zbuPbO5tCZBVEAWyMEFv2CmCL

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\LangDLL.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\LangDLL.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 600
        3⤵
        • Program crash
        PID:1656
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1976 -ip 1976
    1⤵
      PID:744

    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=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&anid=
      Remote address:
      150.171.28.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&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=2C1FD367617964552CC6C6E260E66579; domain=.bing.com; expires=Wed, 25-Feb-2026 11:33:44 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: 8CEF6E314E6B4CFAA573D610414FDE48 Ref B: LON601060103060 Ref C: 2025-01-31T11:33:44Z
      date: Fri, 31 Jan 2025 11:33:43 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&anid=
      Remote address:
      150.171.28.10:443
      Request
      GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=2C1FD367617964552CC6C6E260E66579
      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=ugMEpWuIGUPzcrOpvZU_rKT3KK8mRYcj6ThegCRqJsk; domain=.bing.com; expires=Wed, 25-Feb-2026 11:33:44 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: 730CB59C48274F4193F01A7A8D360374 Ref B: LON601060103060 Ref C: 2025-01-31T11:33:44Z
      date: Fri, 31 Jan 2025 11:33:43 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&anid=
      Remote address:
      150.171.28.10:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=2C1FD367617964552CC6C6E260E66579; MSPTC=ugMEpWuIGUPzcrOpvZU_rKT3KK8mRYcj6ThegCRqJsk
      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: 10BFFAC04C454D8A93D87C532D832575 Ref B: LON601060103060 Ref C: 2025-01-31T11:33:44Z
      date: Fri, 31 Jan 2025 11:33:43 GMT
    • 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
      71.31.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      71.31.126.40.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
      13.153.16.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.153.16.2.in-addr.arpa
      IN PTR
      Response
      13.153.16.2.in-addr.arpa
      IN PTR
      a2-16-153-13deploystaticakamaitechnologiescom
    • flag-us
      DNS
      200.163.202.172.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      200.163.202.172.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
    • 150.171.28.10:443
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&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=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=03c2f2e04abb439891061a2fd96ee251&localId=w:D1AAAD14-B6FE-7436-2F51-AE121FA51FA0&deviceId=6825842710415466&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
      8.8.8.8.in-addr.arpa
      dns
      66 B
      90 B
      1
      1

      DNS Request

      8.8.8.8.in-addr.arpa

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

      DNS Request

      71.31.126.40.in-addr.arpa

    • 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
      13.153.16.2.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      13.153.16.2.in-addr.arpa

    • 8.8.8.8:53
      200.163.202.172.in-addr.arpa
      dns
      74 B
      160 B
      1
      1

      DNS Request

      200.163.202.172.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

    MITRE ATT&CK Enterprise v15

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