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Resubmissions

21/05/2024, 14:43 UTC

240521-r3mvhshd83 3

21/05/2024, 14:40 UTC

240521-r1yh8shd44 7

21/05/2024, 14:37 UTC

240521-ry949ahe2z 7

21/05/2024, 14:34 UTC

240521-rxpf6ahd6w 3

21/05/2024, 14:31 UTC

240521-rvybaahb79 7

Analysis

  • max time kernel
    29s
  • max time network
    16s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 14:40 UTC

General

  • Target

    Some Problems/Copy of clientlib(11).css

  • Size

    26KB

  • MD5

    dbeea34302799658a4cd956647c4c22f

  • SHA1

    be9ef86760ede35c75fabe288dbabcf945517151

  • SHA256

    49e3d7b202e0f015ab84dc9be8154d5e82d9993ac56f5a8de8a7fc5dc4c23690

  • SHA512

    e6789a81531c9535f4f3f2ad791b3971eff250391e855973df547cb9f5ea3e42f36ad62358c3682016c76b209c559dc7f2fa6750671f62998c4db18c781e04e8

  • SSDEEP

    768:J4lJpg3XyvKlHnWHne/Kl7Hn5Hn5HnlHnWMHnD:A/

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of clientlib(11).css"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4984
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Some Problems\Copy of clientlib(11).css
      2⤵
        PID:3904

    Network

    • flag-us
      DNS
      13.86.106.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.86.106.20.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.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=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=
      Remote address:
      204.79.197.237:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&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=2D81404253106B2B11B954C452AB6ADF; domain=.bing.com; expires=Sun, 15-Jun-2025 14:41:57 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: 4E74DDC13D654A28B05B16DF55C39C56 Ref B: LON04EDGE0806 Ref C: 2024-05-21T14:41:57Z
      date: Tue, 21 May 2024 14:41:57 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=
      Remote address:
      204.79.197.237:443
      Request
      GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=2D81404253106B2B11B954C452AB6ADF
      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=xXeM42VDmntvh1UZ3juV6Bjc3NPJArCnjn6bK-dIk9A; domain=.bing.com; expires=Sun, 15-Jun-2025 14:41:57 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: 726F43547B244A71A87EC8A2C997CA75 Ref B: LON04EDGE0806 Ref C: 2024-05-21T14:41:57Z
      date: Tue, 21 May 2024 14:41:57 GMT
    • flag-us
      GET
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=
      Remote address:
      204.79.197.237:443
      Request
      GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid= HTTP/2.0
      host: g.bing.com
      accept-encoding: gzip, deflate
      user-agent: WindowsShellClient/9.0.40929.0 (Windows)
      cookie: MUID=2D81404253106B2B11B954C452AB6ADF; MSPTC=xXeM42VDmntvh1UZ3juV6Bjc3NPJArCnjn6bK-dIk9A
      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: 058C506FDCD54409A027A3B7416BF30C Ref B: LON04EDGE0806 Ref C: 2024-05-21T14:41:57Z
      date: Tue, 21 May 2024 14:41:57 GMT
    • flag-us
      DNS
      91.90.14.23.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      91.90.14.23.in-addr.arpa
      IN PTR
      Response
      91.90.14.23.in-addr.arpa
      IN PTR
      a23-14-90-91deploystaticakamaitechnologiescom
    • flag-us
      DNS
      1.181.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      1.181.190.20.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-nl
      GET
      https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90
      Remote address:
      23.62.61.72:443
      Request
      GET /th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90 HTTP/2.0
      host: www.bing.com
      accept: */*
      cookie: MUID=2D81404253106B2B11B954C452AB6ADF; MSPTC=xXeM42VDmntvh1UZ3juV6Bjc3NPJArCnjn6bK-dIk9A
      accept-encoding: gzip, deflate, br
      user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.19041
      Response
      HTTP/2.0 200
      cache-control: public, max-age=2592000
      content-type: image/png
      access-control-allow-origin: *
      access-control-allow-headers: *
      access-control-allow-methods: GET, POST, OPTIONS
      timing-allow-origin: *
      report-to: {"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://aefd.nelreports.net/api/report?cat=bingth&ndcParam=QWthbWFp"}]}
      nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
      content-length: 1107
      date: Tue, 21 May 2024 14:41:58 GMT
      alt-svc: h3=":443"; ma=93600
      x-cdn-traceid: 0.443d3e17.1716302518.201ddbf6
    • flag-us
      DNS
      72.61.62.23.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      72.61.62.23.in-addr.arpa
      IN PTR
      Response
      72.61.62.23.in-addr.arpa
      IN PTR
      a23-62-61-72deploystaticakamaitechnologiescom
    • flag-us
      DNS
      43.58.199.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      43.58.199.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      104.219.191.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      104.219.191.52.in-addr.arpa
      IN PTR
      Response
    • 204.79.197.237:443
      https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=
      tls, http2
      2.0kB
      9.2kB
      21
      19

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=

      HTTP Response

      204

      HTTP Request

      GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=2fa674e28b52495289365a20d00a8190&localId=w:1C8BDEF5-626C-207C-B098-8D9DBC09C387&deviceId=6966565258095583&anid=

      HTTP Response

      204
    • 23.62.61.72:443
      https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90
      tls, http2
      1.5kB
      6.4kB
      16
      12

      HTTP Request

      GET https://www.bing.com/th?id=OADD2.10239359720591_10PHTLBML42K6TRZO&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=24&h=24&dynsize=1&qlt=90

      HTTP Response

      200
    • 52.165.165.26:443
    • 8.8.8.8:53
      13.86.106.20.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      13.86.106.20.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
      91.90.14.23.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      91.90.14.23.in-addr.arpa

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

      DNS Request

      1.181.190.20.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
      72.61.62.23.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      72.61.62.23.in-addr.arpa

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

      DNS Request

      43.58.199.20.in-addr.arpa

    • 8.8.8.8:53
      104.219.191.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      104.219.191.52.in-addr.arpa

    • 8.8.8.8:53

    MITRE ATT&CK Enterprise v15

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    Downloads

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