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Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 21:48 UTC

General

  • Target

    0f20cba24057d513019003126999cdeea3c81b9ee06aec5d3dad95d4c7cff3a8.dll

  • Size

    51KB

  • MD5

    329c4e66bb9620a4ef6b24a0243ba527

  • SHA1

    ed0819b46b4b63554c9f0704e489d554b418dce2

  • SHA256

    0f20cba24057d513019003126999cdeea3c81b9ee06aec5d3dad95d4c7cff3a8

  • SHA512

    95af25017255666d97049487b53354c8417b48b08a3d305163b3ad6d5978dcbab6d1147ebf302b25e4d56a299171271ccff7aeb823c12dbc4d8b3d50670a95cc

  • SSDEEP

    1536:1WmqoiBMNbMWtYNif/n9S91BF3frnoLfJYH5:1dWubF3n9S91BF3fbo7JYH5

Score
1/10

Malware Config

Signatures

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f20cba24057d513019003126999cdeea3c81b9ee06aec5d3dad95d4c7cff3a8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3696
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f20cba24057d513019003126999cdeea3c81b9ee06aec5d3dad95d4c7cff3a8.dll,#1
      2⤵
      • Suspicious behavior: RenamesItself
      PID:3060

Network

  • 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
    76.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    76.32.126.40.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.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
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid=
    Remote address:
    204.79.197.237:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&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=00485B2622C862A608A24F4223EF63E8; domain=.bing.com; expires=Mon, 12-May-2025 21:48:36 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: 215481A2976748CA8A803FE58941311C Ref B: LON04EDGE0707 Ref C: 2024-04-17T21:48:36Z
    date: Wed, 17 Apr 2024 21:48:36 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid=
    Remote address:
    204.79.197.237:443
    Request
    GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=00485B2622C862A608A24F4223EF63E8
    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=ab1aVQ7gmu5agv1W-luefKZ2NLLuHF6pLPvbU-sq-AU; domain=.bing.com; expires=Mon, 12-May-2025 21:48:36 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: AAE667FC3485473FA8C4D30D74597C59 Ref B: LON04EDGE0707 Ref C: 2024-04-17T21:48:36Z
    date: Wed, 17 Apr 2024 21:48:36 GMT
  • flag-us
    GET
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid=
    Remote address:
    204.79.197.237:443
    Request
    GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid= HTTP/2.0
    host: g.bing.com
    accept-encoding: gzip, deflate
    user-agent: WindowsShellClient/9.0.40929.0 (Windows)
    cookie: MUID=00485B2622C862A608A24F4223EF63E8; MSPTC=ab1aVQ7gmu5agv1W-luefKZ2NLLuHF6pLPvbU-sq-AU
    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: 09C56F128A804058B1D28CC0ECBABD6A Ref B: LON04EDGE0707 Ref C: 2024-04-17T21:48:36Z
    date: Wed, 17 Apr 2024 21:48:36 GMT
  • flag-us
    DNS
    249.197.17.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    249.197.17.2.in-addr.arpa
    IN PTR
    Response
    249.197.17.2.in-addr.arpa
    IN PTR
    a2-17-197-249deploystaticakamaitechnologiescom
  • 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
    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
    156.33.209.4.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    156.33.209.4.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    132.250.30.184.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    132.250.30.184.in-addr.arpa
    IN PTR
    Response
    132.250.30.184.in-addr.arpa
    IN PTR
    a184-30-250-132deploystaticakamaitechnologiescom
  • flag-us
    DNS
    157.123.68.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    157.123.68.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.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
    240.197.17.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    240.197.17.2.in-addr.arpa
    IN PTR
    Response
    240.197.17.2.in-addr.arpa
    IN PTR
    a2-17-197-240deploystaticakamaitechnologiescom
  • 204.79.197.237:443
    https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid=
    tls, http2
    2.0kB
    9.2kB
    21
    18

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid=

    HTTP Response

    204

    HTTP Request

    GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=007866bb84a8446185601dfca4c5f42f&localId=w:FEA8F19F-01BE-DA76-49B1-72C0C15A5E1B&deviceId=6825832441142904&anid=

    HTTP Response

    204
  • 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
    76.32.126.40.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    76.32.126.40.in-addr.arpa

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

    DNS Request

    g.bing.com

    DNS Response

    204.79.197.237
    13.107.21.237

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

    DNS Request

    249.197.17.2.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
    237.197.79.204.in-addr.arpa
    dns
    73 B
    143 B
    1
    1

    DNS Request

    237.197.79.204.in-addr.arpa

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

    DNS Request

    156.33.209.4.in-addr.arpa

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

    DNS Request

    132.250.30.184.in-addr.arpa

  • 8.8.8.8:53
    157.123.68.40.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    157.123.68.40.in-addr.arpa

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

    DNS Request

    198.187.3.20.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
    240.197.17.2.in-addr.arpa
    dns
    71 B
    135 B
    1
    1

    DNS Request

    240.197.17.2.in-addr.arpa

MITRE ATT&CK Matrix

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