Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 22:17 UTC

General

  • Target

    $PLUGINSDIR/StdUtils.dll

  • Size

    100KB

  • MD5

    c6a6e03f77c313b267498515488c5740

  • SHA1

    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

  • SHA256

    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

  • SHA512

    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

  • SSDEEP

    3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5036
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
      2⤵
        PID:1964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 628
          3⤵
          • Program crash
          PID:2588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1964 -ip 1964
      1⤵
        PID:3648

      Network

      • flag-us
        DNS
        217.106.137.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        217.106.137.52.in-addr.arpa
        IN PTR
        Response
      • 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
        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
        183.59.114.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        183.59.114.20.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
        Response
      • flag-us
        DNS
        172.214.232.199.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        172.214.232.199.in-addr.arpa
        IN PTR
        Response
      • 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
        30.243.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        30.243.111.52.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
        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
        DNS
        tse1.mm.bing.net
        Remote address:
        8.8.8.8:53
        Request
        tse1.mm.bing.net
        IN A
      • 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
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239359748010_1Q8ARU8JIAMP3E64P&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
        Remote address:
        150.171.28.10:443
        Request
        GET /th?id=OADD2.10239359748010_1Q8ARU8JIAMP3E64P&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 629947
        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&ndcParam=QUZE"}]}
        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: E2D94C64DE8241AD8C9273007EC4ACBA Ref B: LON04EDGE0916 Ref C: 2024-07-22T22:20:32Z
        date: Mon, 22 Jul 2024 22:20:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301032_1O1TBR912QG5BWWX0&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
        Remote address:
        150.171.28.10:443
        Request
        GET /th?id=OADD2.10239317301032_1O1TBR912QG5BWWX0&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 725840
        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&ndcParam=QUZE"}]}
        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: CA1141C469674DBBBD78345679D831DD Ref B: LON04EDGE0916 Ref C: 2024-07-22T22:20:32Z
        date: Mon, 22 Jul 2024 22:20:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239359748018_19NTYSZS66ZTQP557&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
        Remote address:
        150.171.28.10:443
        Request
        GET /th?id=OADD2.10239359748018_19NTYSZS66ZTQP557&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 561393
        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&ndcParam=QUZE"}]}
        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: 0ED6F2263B3742B2B8943596A98AEBFA Ref B: LON04EDGE0916 Ref C: 2024-07-22T22:20:32Z
        date: Mon, 22 Jul 2024 22:20:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301073_18LC40ETNMF8SEVBD&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
        Remote address:
        150.171.28.10:443
        Request
        GET /th?id=OADD2.10239317301073_18LC40ETNMF8SEVBD&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90 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: 857486
        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&ndcParam=QUZE"}]}
        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: C198579C93734480BABDE5BCF68B48A4 Ref B: LON04EDGE0916 Ref C: 2024-07-22T22:20:32Z
        date: Mon, 22 Jul 2024 22:20:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301465_1IH9IDA0LGHTED0D3&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
        Remote address:
        150.171.28.10:443
        Request
        GET /th?id=OADD2.10239317301465_1IH9IDA0LGHTED0D3&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 671087
        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&ndcParam=QUZE"}]}
        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: 93CD42FA8B31497890CCEA9568025F19 Ref B: LON04EDGE0916 Ref C: 2024-07-22T22:20:32Z
        date: Mon, 22 Jul 2024 22:20:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301506_1F0FLOT3FW11VH0B0&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
        Remote address:
        150.171.28.10:443
        Request
        GET /th?id=OADD2.10239317301506_1F0FLOT3FW11VH0B0&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90 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: 755035
        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&ndcParam=QUZE"}]}
        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: 7D6788D3C1ED418A8EC4146F85ADADB5 Ref B: LON04EDGE0916 Ref C: 2024-07-22T22:20:33Z
        date: Mon, 22 Jul 2024 22:20:32 GMT
      • flag-us
        DNS
        136.71.105.51.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        136.71.105.51.in-addr.arpa
        IN PTR
        Response
      • 150.171.28.10:443
        tse1.mm.bing.net
        tls, http2
        1.2kB
        6.9kB
        16
        14
      • 150.171.28.10:443
        tse1.mm.bing.net
        tls, http2
        1.3kB
        7.0kB
        17
        14
      • 150.171.28.10:443
        tse1.mm.bing.net
        tls, http2
        1.2kB
        6.9kB
        16
        13
      • 150.171.28.10:443
        tse1.mm.bing.net
        tls, http2
        1.3kB
        7.0kB
        17
        14
      • 150.171.28.10:443
        https://tse1.mm.bing.net/th?id=OADD2.10239317301506_1F0FLOT3FW11VH0B0&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
        tls, http2
        148.5kB
        4.4MB
        3179
        3171

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239359748010_1Q8ARU8JIAMP3E64P&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301032_1O1TBR912QG5BWWX0&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239359748018_19NTYSZS66ZTQP557&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301073_18LC40ETNMF8SEVBD&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301465_1IH9IDA0LGHTED0D3&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

        HTTP Response

        200

        HTTP Response

        200

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301506_1F0FLOT3FW11VH0B0&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

        HTTP Response

        200

        HTTP Response

        200

        HTTP Response

        200

        HTTP Response

        200
      • 8.8.8.8:53
        217.106.137.52.in-addr.arpa
        dns
        73 B
        147 B
        1
        1

        DNS Request

        217.106.137.52.in-addr.arpa

      • 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
        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
        183.59.114.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        183.59.114.20.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
        172.214.232.199.in-addr.arpa
        dns
        74 B
        128 B
        1
        1

        DNS Request

        172.214.232.199.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
        30.243.111.52.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        30.243.111.52.in-addr.arpa

      • 8.8.8.8:53
        tse1.mm.bing.net
        dns
        124 B
        170 B
        2
        1

        DNS Request

        tse1.mm.bing.net

        DNS Request

        tse1.mm.bing.net

        DNS Response

        150.171.28.10
        150.171.27.10

      • 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
        136.71.105.51.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        136.71.105.51.in-addr.arpa

      MITRE ATT&CK Matrix

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