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Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/03/2024, 18:18 UTC

General

  • Target

    Bunifu.UI.WinForms.BunifuDropdown.dll

  • Size

    50KB

  • MD5

    5bc3c478e3c44caf765c6e998dc621f0

  • SHA1

    8cd06d3ec991ae3d5c0d935ea03fd7c06d504d53

  • SHA256

    f746eef49caaf23939999a89c86787e6d1f4e4c16f667bcfebcaeacb5276e0c8

  • SHA512

    3990c0a716e2e0619cd969d75666cacf695b6d40a118ead8a810997a594b558250e4a661e303f383f58bc52cac90e84a2049a50a1295f762b2bdbdb8661c33f0

  • SSDEEP

    768:WxidV98e5TsEQgzWC/Vzv/8vWvLMFZhjd5hQTi7q:Y3ehsEQAWQHgW4Zhx0TN

Score
1/10

Malware Config

Signatures

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Bunifu.UI.WinForms.BunifuDropdown.dll,#1
    1⤵
      PID:436
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4188 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1372

      Network

      • flag-us
        DNS
        74.32.126.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        74.32.126.40.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        55.36.223.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        55.36.223.20.in-addr.arpa
        IN PTR
        Response
      • 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.a-0001.a-msedge.net
        g-bing-com.a-0001.a-msedge.net
        IN CNAME
        dual-a-0001.a-msedge.net
        dual-a-0001.a-msedge.net
        IN A
        204.79.197.200
        dual-a-0001.a-msedge.net
        IN A
        13.107.21.200
      • flag-us
        GET
        https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid=
        Remote address:
        204.79.197.200:443
        Request
        GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&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=08B8A896469865E02960BCDE47BF647F; domain=.bing.com; expires=Mon, 14-Apr-2025 18:19:25 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: 9F196715AB4540858FEAC915EEA7F535 Ref B: LON04EDGE0620 Ref C: 2024-03-20T18:19:25Z
        date: Wed, 20 Mar 2024 18:19:24 GMT
      • flag-us
        GET
        https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid=
        Remote address:
        204.79.197.200:443
        Request
        GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid= HTTP/2.0
        host: g.bing.com
        accept-encoding: gzip, deflate
        user-agent: WindowsShellClient/9.0.40929.0 (Windows)
        cookie: MUID=08B8A896469865E02960BCDE47BF647F
        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=TeOIXsmSBuTUWrrKZGxfsKfbcOXxK8VMVKdGtxqmd10; domain=.bing.com; expires=Mon, 14-Apr-2025 18:19:25 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: F372FD19406C49909EE4CCBFAC0D887F Ref B: LON04EDGE0620 Ref C: 2024-03-20T18:19:25Z
        date: Wed, 20 Mar 2024 18:19:24 GMT
      • flag-us
        GET
        https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid=
        Remote address:
        204.79.197.200:443
        Request
        GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid= HTTP/2.0
        host: g.bing.com
        accept-encoding: gzip, deflate
        user-agent: WindowsShellClient/9.0.40929.0 (Windows)
        cookie: MUID=08B8A896469865E02960BCDE47BF647F; MSPTC=TeOIXsmSBuTUWrrKZGxfsKfbcOXxK8VMVKdGtxqmd10
        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: 333751E64B2C4E83B580A940FCB2B00D Ref B: LON04EDGE0620 Ref C: 2024-03-20T18:19:25Z
        date: Wed, 20 Mar 2024 18:19:24 GMT
      • flag-us
        DNS
        200.197.79.204.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        200.197.79.204.in-addr.arpa
        IN PTR
        Response
        200.197.79.204.in-addr.arpa
        IN PTR
        a-0001a-msedgenet
      • flag-us
        DNS
        41.110.16.96.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        41.110.16.96.in-addr.arpa
        IN PTR
        Response
        41.110.16.96.in-addr.arpa
        IN PTR
        a96-16-110-41deploystaticakamaitechnologiescom
      • flag-us
        DNS
        241.154.82.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        241.154.82.20.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
        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
        217.135.221.88.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        217.135.221.88.in-addr.arpa
        IN PTR
        Response
        217.135.221.88.in-addr.arpa
        IN PTR
        a88-221-135-217deploystaticakamaitechnologiescom
      • flag-us
        DNS
        45.56.20.217.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        45.56.20.217.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
        5.173.189.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        5.173.189.20.in-addr.arpa
        IN PTR
        Response
      • 204.79.197.200:443
        https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid=
        tls, http2
        2.4kB
        9.3kB
        23
        19

        HTTP Request

        GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid=

        HTTP Response

        204

        HTTP Request

        GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid=

        HTTP Response

        204

        HTTP Request

        GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=7a57636e808b4fd2b85d1da0ef103007&localId=w:604620C9-A797-9125-35A5-98A326D497EF&deviceId=6825831312605937&anid=

        HTTP Response

        204
      • 142.251.39.106:443
        46 B
        40 B
        1
        1
      • 8.8.8.8:53
        74.32.126.40.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        74.32.126.40.in-addr.arpa

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

        DNS Request

        55.36.223.20.in-addr.arpa

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

        DNS Request

        g.bing.com

        DNS Response

        204.79.197.200
        13.107.21.200

      • 8.8.8.8:53
        200.197.79.204.in-addr.arpa
        dns
        73 B
        106 B
        1
        1

        DNS Request

        200.197.79.204.in-addr.arpa

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

        DNS Request

        41.110.16.96.in-addr.arpa

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

        DNS Request

        241.154.82.20.in-addr.arpa

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

        DNS Request

        86.23.85.13.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
        217.135.221.88.in-addr.arpa
        dns
        73 B
        139 B
        1
        1

        DNS Request

        217.135.221.88.in-addr.arpa

      • 8.8.8.8:53
        45.56.20.217.in-addr.arpa
        dns
        71 B
        131 B
        1
        1

        DNS Request

        45.56.20.217.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
        5.173.189.20.in-addr.arpa
        dns
        71 B
        157 B
        1
        1

        DNS Request

        5.173.189.20.in-addr.arpa

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