Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 09:04 UTC

General

  • Target

    13c1d3533d75eaa04242171fa3c255c2.dll

  • Size

    208KB

  • MD5

    13c1d3533d75eaa04242171fa3c255c2

  • SHA1

    e15a2883083a169848fae88c584c7a434c8cd836

  • SHA256

    719aecf90bd0b4724543bf28da6a9410dd1228bbb2b8068ba27753e927905db9

  • SHA512

    cdaad269938ddee3e171b6249dcaa8bfb2c0b6a2e20d458a6bc58aff5eba37228bd05b16a3b599d52cc5e0165669af22072f7eb0786ee87fd44fe9da3908d9bc

  • SSDEEP

    3072:gn1hG1MrkCkyD/VJcFyaupo2yw/awYwBlUHFtwFPM:VKj/wnRwSYUYFk

Score
3/10

Malware Config

Signatures

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\13c1d3533d75eaa04242171fa3c255c2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\13c1d3533d75eaa04242171fa3c255c2.dll,#1
      2⤵
        PID:5072
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 592
          3⤵
          • Program crash
          PID:4612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 864
          3⤵
          • Program crash
          PID:1280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5072 -ip 5072
      1⤵
        PID:2072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5072 -ip 5072
        1⤵
          PID:3624

        Network

        • flag-us
          DNS
          2.136.104.51.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          2.136.104.51.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          0.205.248.87.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          0.205.248.87.in-addr.arpa
          IN PTR
          Response
          0.205.248.87.in-addr.arpa
          IN PTR
          https-87-248-205-0lgwllnwnet
        • flag-us
          DNS
          83.177.190.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          83.177.190.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          95.221.229.192.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          95.221.229.192.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          9.228.82.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          9.228.82.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          205.47.74.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          205.47.74.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          20.177.190.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          20.177.190.20.in-addr.arpa
          IN PTR
          Response
        • 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
          146.78.124.51.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          146.78.124.51.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
          86.23.85.13.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          86.23.85.13.in-addr.arpa
          IN PTR
        • 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
          171.39.242.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          171.39.242.20.in-addr.arpa
          IN PTR
        • flag-us
          DNS
          18.134.221.88.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          18.134.221.88.in-addr.arpa
          IN PTR
          Response
          18.134.221.88.in-addr.arpa
          IN PTR
          a88-221-134-18deploystaticakamaitechnologiescom
        • 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
          tse1.mm.bing.net
          Remote address:
          8.8.8.8:53
          Request
          tse1.mm.bing.net
          IN A
          Response
          tse1.mm.bing.net
          IN CNAME
          mm-mm.bing.net.trafficmanager.net
          mm-mm.bing.net.trafficmanager.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://tse1.mm.bing.net/th?id=OADD2.10239317301191_1O2H8JRMOAALOPCGS&pid=21.2&w=1920&h=1080&c=4
          Remote address:
          204.79.197.200:443
          Request
          GET /th?id=OADD2.10239317301191_1O2H8JRMOAALOPCGS&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
          host: tse1.mm.bing.net
          accept: */*
          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-length: 281379
          content-type: image/jpeg
          x-cache: TCP_HIT
          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"}]}
          nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
          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: 4FB0D630B60548408867A86B6CD5618C Ref B: LON04EDGE0807 Ref C: 2023-12-27T19:27:01Z
          date: Wed, 27 Dec 2023 19:27:01 GMT
        • flag-us
          GET
          https://tse1.mm.bing.net/th?id=OADD2.10239317301600_1WSZ3EMFYHR1KRB2N&pid=21.2&w=1080&h=1920&c=4
          Remote address:
          204.79.197.200:443
          Request
          GET /th?id=OADD2.10239317301600_1WSZ3EMFYHR1KRB2N&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
          host: tse1.mm.bing.net
          accept: */*
          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-length: 330684
          content-type: image/jpeg
          x-cache: TCP_HIT
          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"}]}
          nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
          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: F6B928D844924ABFB36C274436249830 Ref B: LON04EDGE0807 Ref C: 2023-12-27T19:27:01Z
          date: Wed, 27 Dec 2023 19:27:01 GMT
        • flag-us
          GET
          https://tse1.mm.bing.net/th?id=OADD2.10239317301555_15WHULHLEWM8YZRKT&pid=21.2&w=1080&h=1920&c=4
          Remote address:
          204.79.197.200:443
          Request
          GET /th?id=OADD2.10239317301555_15WHULHLEWM8YZRKT&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
          host: tse1.mm.bing.net
          accept: */*
          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-length: 428833
          content-type: image/jpeg
          x-cache: TCP_HIT
          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"}]}
          nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
          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: 256478FDF70E40448BD5E29F259DC881 Ref B: LON04EDGE0807 Ref C: 2023-12-27T19:27:01Z
          date: Wed, 27 Dec 2023 19:27:01 GMT
        • flag-us
          GET
          https://tse1.mm.bing.net/th?id=OADD2.10239317301146_1A6Y190CSARJQINGA&pid=21.2&w=1920&h=1080&c=4
          Remote address:
          204.79.197.200:443
          Request
          GET /th?id=OADD2.10239317301146_1A6Y190CSARJQINGA&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
          host: tse1.mm.bing.net
          accept: */*
          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-length: 477205
          content-type: image/jpeg
          x-cache: TCP_HIT
          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"}]}
          nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
          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: 6D5193F0CC2A4025834C09825035B8EE Ref B: LON04EDGE0807 Ref C: 2023-12-27T19:27:02Z
          date: Wed, 27 Dec 2023 19:27:02 GMT
        • flag-us
          GET
          https://tse1.mm.bing.net/th?id=OADD2.10239317301216_1YVZ0IIVCJV3CQIQF&pid=21.2&w=1920&h=1080&c=4
          Remote address:
          204.79.197.200:443
          Request
          GET /th?id=OADD2.10239317301216_1YVZ0IIVCJV3CQIQF&pid=21.2&w=1920&h=1080&c=4 HTTP/2.0
          host: tse1.mm.bing.net
          accept: */*
          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-length: 278792
          content-type: image/jpeg
          x-cache: TCP_HIT
          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"}]}
          nel: {"report_to":"network-errors","max_age":604800,"success_fraction":0.001,"failure_fraction":1.0}
          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: DB19F34F675641E09D73AC22F75AC621 Ref B: LON04EDGE0807 Ref C: 2023-12-27T19:27:05Z
          date: Wed, 27 Dec 2023 19:27:05 GMT
        • flag-us
          GET
          https://tse1.mm.bing.net/th?id=OADD2.10239317301625_1HP779E00BH478LC1&pid=21.2&w=1080&h=1920&c=4
          Remote address:
          204.79.197.200:443
          Request
          GET /th?id=OADD2.10239317301625_1HP779E00BH478LC1&pid=21.2&w=1080&h=1920&c=4 HTTP/2.0
          host: tse1.mm.bing.net
          accept: */*
          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
        • flag-us
          DNS
          28.179.17.96.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          28.179.17.96.in-addr.arpa
          IN PTR
          Response
          28.179.17.96.in-addr.arpa
          IN PTR
          a96-17-179-28deploystaticakamaitechnologiescom
        • 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
          158.240.127.40.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          158.240.127.40.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          158.240.127.40.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          158.240.127.40.in-addr.arpa
          IN PTR
        • flag-us
          DNS
          81.171.91.138.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          81.171.91.138.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          81.171.91.138.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          81.171.91.138.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
        • 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
        • flag-us
          DNS
          27.73.42.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          27.73.42.20.in-addr.arpa
          IN PTR
          Response
        • 52.142.223.178:80
          104 B
          2
        • 204.79.197.200:443
          tse1.mm.bing.net
          tls, http2
          1.3kB
          10.0kB
          17
          13
        • 204.79.197.200:443
          https://tse1.mm.bing.net/th?id=OADD2.10239317301625_1HP779E00BH478LC1&pid=21.2&w=1080&h=1920&c=4
          tls, http2
          69.1kB
          1.9MB
          1384
          1372

          HTTP Request

          GET https://tse1.mm.bing.net/th?id=OADD2.10239317301191_1O2H8JRMOAALOPCGS&pid=21.2&w=1920&h=1080&c=4

          HTTP Request

          GET https://tse1.mm.bing.net/th?id=OADD2.10239317301600_1WSZ3EMFYHR1KRB2N&pid=21.2&w=1080&h=1920&c=4

          HTTP Request

          GET https://tse1.mm.bing.net/th?id=OADD2.10239317301555_15WHULHLEWM8YZRKT&pid=21.2&w=1080&h=1920&c=4

          HTTP Response

          200

          HTTP Response

          200

          HTTP Request

          GET https://tse1.mm.bing.net/th?id=OADD2.10239317301146_1A6Y190CSARJQINGA&pid=21.2&w=1920&h=1080&c=4

          HTTP Request

          GET https://tse1.mm.bing.net/th?id=OADD2.10239317301216_1YVZ0IIVCJV3CQIQF&pid=21.2&w=1920&h=1080&c=4

          HTTP Response

          200

          HTTP Request

          GET https://tse1.mm.bing.net/th?id=OADD2.10239317301625_1HP779E00BH478LC1&pid=21.2&w=1080&h=1920&c=4

          HTTP Response

          200

          HTTP Response

          200
        • 204.79.197.200:443
          tse1.mm.bing.net
          tls, http2
          1.5kB
          10.1kB
          20
          13
        • 8.8.8.8:53
          2.136.104.51.in-addr.arpa
          dns
          71 B
          157 B
          1
          1

          DNS Request

          2.136.104.51.in-addr.arpa

        • 8.8.8.8:53
          0.205.248.87.in-addr.arpa
          dns
          71 B
          116 B
          1
          1

          DNS Request

          0.205.248.87.in-addr.arpa

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

          DNS Request

          83.177.190.20.in-addr.arpa

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

          DNS Request

          95.221.229.192.in-addr.arpa

        • 8.8.8.8:53
          9.228.82.20.in-addr.arpa
          dns
          70 B
          156 B
          1
          1

          DNS Request

          9.228.82.20.in-addr.arpa

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

          DNS Request

          205.47.74.20.in-addr.arpa

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

          DNS Request

          20.177.190.20.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
          146.78.124.51.in-addr.arpa
          dns
          72 B
          158 B
          1
          1

          DNS Request

          146.78.124.51.in-addr.arpa

        • 8.8.8.8:53
          86.23.85.13.in-addr.arpa
          dns
          140 B
          144 B
          2
          1

          DNS Request

          86.23.85.13.in-addr.arpa

          DNS Request

          86.23.85.13.in-addr.arpa

        • 8.8.8.8:53
          171.39.242.20.in-addr.arpa
          dns
          144 B
          158 B
          2
          1

          DNS Request

          171.39.242.20.in-addr.arpa

          DNS Request

          171.39.242.20.in-addr.arpa

        • 8.8.8.8:53
          18.134.221.88.in-addr.arpa
          dns
          72 B
          137 B
          1
          1

          DNS Request

          18.134.221.88.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
          tse1.mm.bing.net
          dns
          62 B
          173 B
          1
          1

          DNS Request

          tse1.mm.bing.net

          DNS Response

          204.79.197.200
          13.107.21.200

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

          DNS Request

          28.179.17.96.in-addr.arpa

        • 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
          158.240.127.40.in-addr.arpa
          dns
          146 B
          147 B
          2
          1

          DNS Request

          158.240.127.40.in-addr.arpa

          DNS Request

          158.240.127.40.in-addr.arpa

        • 8.8.8.8:53
          81.171.91.138.in-addr.arpa
          dns
          144 B
          292 B
          2
          2

          DNS Request

          81.171.91.138.in-addr.arpa

          DNS Request

          81.171.91.138.in-addr.arpa

        • 8.8.8.8:53
          19.229.111.52.in-addr.arpa
          dns
          144 B
          158 B
          2
          1

          DNS Request

          19.229.111.52.in-addr.arpa

          DNS Request

          19.229.111.52.in-addr.arpa

        • 8.8.8.8:53
          27.73.42.20.in-addr.arpa
          dns
          70 B
          156 B
          1
          1

          DNS Request

          27.73.42.20.in-addr.arpa

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