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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 14:09 UTC

General

  • Target

    $PLUGINSDIR/UAC.dll

  • Size

    13KB

  • MD5

    a88baad3461d2e9928a15753b1d93fd7

  • SHA1

    bb826e35264968bbc3b981d8430ac55df1e6d4a6

  • SHA256

    c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af

  • SHA512

    5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a

  • SSDEEP

    192:qP6KdXy+Yo7e1J8qC25a5mDFmCLGUCVGpU6uNck87I0S/TDqwyTq+:q/q3Pgd5mx6VkEck87ILCTN

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\UAC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3792
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
      2⤵
        PID:3932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 624
          3⤵
          • Program crash
          PID:688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3932 -ip 3932
      1⤵
        PID:4956

      Network

      • 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=impression&rlink=https%3A%2F%2Fwww.bing.com%2Faclick%3Fld%3De8ul_n1-sTZbfWSkqh2uMCaTVUCUwOyTtLtIFc8z8b9FuK1s9rlt4rmaaVOvr5E4YT7mEjYTTMWQRNV9BqM39KcmC20NAZPKS03LuKU8zs-AZYgDQrdXHK07H42FIUb8OHL-rgSWRw919piD42mJ-DJdSJ5x7qATkqOzt52EeZ8NDclfAL%26u%3DbXN4Ym94JTNhJTJmJTJmZ2FtZSUyZiUzZnByb2R1Y3RJZCUzZDlOMEg2MktaM0JYViUyNm9jaWQlM2RpbnBfcm1jX3hib19zdGFydF9UUHRpdGxlX2VuZ2FnZQ%26rlid%3Dc08d68ad621c16fb595e0e86cc34c76e&TIME=20240426T133810Z&CID=530628298&EID=530628298&tids=15000&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644&muid=3EBA0D95A4930C635584F13F751694E4
        Remote address:
        204.79.197.237:443
        Request
        GET /neg/0?action=impression&rlink=https%3A%2F%2Fwww.bing.com%2Faclick%3Fld%3De8ul_n1-sTZbfWSkqh2uMCaTVUCUwOyTtLtIFc8z8b9FuK1s9rlt4rmaaVOvr5E4YT7mEjYTTMWQRNV9BqM39KcmC20NAZPKS03LuKU8zs-AZYgDQrdXHK07H42FIUb8OHL-rgSWRw919piD42mJ-DJdSJ5x7qATkqOzt52EeZ8NDclfAL%26u%3DbXN4Ym94JTNhJTJmJTJmZ2FtZSUyZiUzZnByb2R1Y3RJZCUzZDlOMEg2MktaM0JYViUyNm9jaWQlM2RpbnBfcm1jX3hib19zdGFydF9UUHRpdGxlX2VuZ2FnZQ%26rlid%3Dc08d68ad621c16fb595e0e86cc34c76e&TIME=20240426T133810Z&CID=530628298&EID=530628298&tids=15000&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644&muid=3EBA0D95A4930C635584F13F751694E4 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=0167778AAC7F66811EB563FAADC4672C; domain=.bing.com; expires=Sat, 24-May-2025 14:09:45 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: 9E024CEA04BC471D9A9A3B2BC6114C83 Ref B: LON04EDGE0808 Ref C: 2024-04-29T14:09:45Z
        date: Mon, 29 Apr 2024 14:09:44 GMT
      • flag-us
        GET
        https://g.bing.com/neg/0?action=impression&rlink=https%3A%2F%2Fwww.bing.com%2Faclick%3Fld%3De8ul_n1-sTZbfWSkqh2uMCaTVUCUwOyTtLtIFc8z8b9FuK1s9rlt4rmaaVOvr5E4YT7mEjYTTMWQRNV9BqM39KcmC20NAZPKS03LuKU8zs-AZYgDQrdXHK07H42FIUb8OHL-rgSWRw919piD42mJ-DJdSJ5x7qATkqOzt52EeZ8NDclfAL%26u%3DbXN4Ym94JTNhJTJmJTJmZ2FtZSUyZiUzZnByb2R1Y3RJZCUzZDlOMEg2MktaM0JYViUyNm9jaWQlM2RpbnBfcm1jX3hib19zdGFydF9UUHRpdGxlX2VuZ2FnZQ%26rlid%3Dc08d68ad621c16fb595e0e86cc34c76e&TIME=20240426T133810Z&CID=530628298&EID=&tids=15000&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644&muid=3EBA0D95A4930C635584F13F751694E4
        Remote address:
        204.79.197.237:443
        Request
        GET /neg/0?action=impression&rlink=https%3A%2F%2Fwww.bing.com%2Faclick%3Fld%3De8ul_n1-sTZbfWSkqh2uMCaTVUCUwOyTtLtIFc8z8b9FuK1s9rlt4rmaaVOvr5E4YT7mEjYTTMWQRNV9BqM39KcmC20NAZPKS03LuKU8zs-AZYgDQrdXHK07H42FIUb8OHL-rgSWRw919piD42mJ-DJdSJ5x7qATkqOzt52EeZ8NDclfAL%26u%3DbXN4Ym94JTNhJTJmJTJmZ2FtZSUyZiUzZnByb2R1Y3RJZCUzZDlOMEg2MktaM0JYViUyNm9jaWQlM2RpbnBfcm1jX3hib19zdGFydF9UUHRpdGxlX2VuZ2FnZQ%26rlid%3Dc08d68ad621c16fb595e0e86cc34c76e&TIME=20240426T133810Z&CID=530628298&EID=&tids=15000&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644&muid=3EBA0D95A4930C635584F13F751694E4 HTTP/2.0
        host: g.bing.com
        accept-encoding: gzip, deflate
        user-agent: WindowsShellClient/9.0.40929.0 (Windows)
        cookie: MUID=0167778AAC7F66811EB563FAADC4672C; _EDGE_S=SID=263C4D3E477E693F1E7A594E4629688A
        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=x9EE13rNOZvxxCy4wJF_VhB6_j9H_ki63tinZTS5MUo; domain=.bing.com; expires=Sat, 24-May-2025 14:09:45 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: 800598C6243B423F93DF5EA8D155BD10 Ref B: LON04EDGE0808 Ref C: 2024-04-29T14:09:45Z
        date: Mon, 29 Apr 2024 14:09:45 GMT
      • flag-nl
        GET
        https://www.bing.com/aes/c.gif?RG=d7e1ac4b0ef64a67a661149082ec248f&med=10&pubId=251978541&tids=15000&type=mv&reqver=1.0&TIME=20240426T133810Z&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644
        Remote address:
        23.62.61.187:443
        Request
        GET /aes/c.gif?RG=d7e1ac4b0ef64a67a661149082ec248f&med=10&pubId=251978541&tids=15000&type=mv&reqver=1.0&TIME=20240426T133810Z&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644 HTTP/2.0
        host: www.bing.com
        accept-encoding: gzip, deflate
        user-agent: WindowsShellClient/9.0.40929.0 (Windows)
        cookie: MUID=0167778AAC7F66811EB563FAADC4672C
        Response
        HTTP/2.0 200
        cache-control: private,no-store
        pragma: no-cache
        vary: Origin
        p3p: CP=BUS CUR CONo FIN IVDo ONL OUR PHY SAMo TELo
        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: DFF11CC4851F46AC92CE05AAD29BF45F Ref B: AMS04EDGE1519 Ref C: 2024-04-29T14:09:45Z
        content-length: 0
        date: Mon, 29 Apr 2024 14:09:45 GMT
        set-cookie: _EDGE_S=SID=263C4D3E477E693F1E7A594E4629688A; path=/; httponly; domain=bing.com
        set-cookie: MUIDB=0167778AAC7F66811EB563FAADC4672C; path=/; httponly; expires=Sat, 24-May-2025 14:09:45 GMT
        alt-svc: h3=":443"; ma=93600
        x-cdn-traceid: 0.b73d3e17.1714399785.3fe33bf9
      • 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
        187.61.62.23.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        187.61.62.23.in-addr.arpa
        IN PTR
        Response
        187.61.62.23.in-addr.arpa
        IN PTR
        a23-62-61-187deploystaticakamaitechnologiescom
      • flag-us
        DNS
        37.56.20.217.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        37.56.20.217.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        22.160.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        22.160.190.20.in-addr.arpa
        IN PTR
        Response
      • 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
        56.126.166.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        56.126.166.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        17.143.109.104.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        17.143.109.104.in-addr.arpa
        IN PTR
        Response
        17.143.109.104.in-addr.arpa
        IN PTR
        a104-109-143-17deploystaticakamaitechnologiescom
      • 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
        133.190.18.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        133.190.18.2.in-addr.arpa
        IN PTR
        Response
        133.190.18.2.in-addr.arpa
        IN PTR
        a2-18-190-133deploystaticakamaitechnologiescom
      • flag-us
        DNS
        131.72.42.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        131.72.42.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        131.72.42.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        131.72.42.20.in-addr.arpa
        IN PTR
      • 204.79.197.237:443
        https://g.bing.com/neg/0?action=impression&rlink=https%3A%2F%2Fwww.bing.com%2Faclick%3Fld%3De8ul_n1-sTZbfWSkqh2uMCaTVUCUwOyTtLtIFc8z8b9FuK1s9rlt4rmaaVOvr5E4YT7mEjYTTMWQRNV9BqM39KcmC20NAZPKS03LuKU8zs-AZYgDQrdXHK07H42FIUb8OHL-rgSWRw919piD42mJ-DJdSJ5x7qATkqOzt52EeZ8NDclfAL%26u%3DbXN4Ym94JTNhJTJmJTJmZ2FtZSUyZiUzZnByb2R1Y3RJZCUzZDlOMEg2MktaM0JYViUyNm9jaWQlM2RpbnBfcm1jX3hib19zdGFydF9UUHRpdGxlX2VuZ2FnZQ%26rlid%3Dc08d68ad621c16fb595e0e86cc34c76e&TIME=20240426T133810Z&CID=530628298&EID=&tids=15000&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644&muid=3EBA0D95A4930C635584F13F751694E4
        tls, http2
        2.5kB
        9.0kB
        20
        17

        HTTP Request

        GET https://g.bing.com/neg/0?action=impression&rlink=https%3A%2F%2Fwww.bing.com%2Faclick%3Fld%3De8ul_n1-sTZbfWSkqh2uMCaTVUCUwOyTtLtIFc8z8b9FuK1s9rlt4rmaaVOvr5E4YT7mEjYTTMWQRNV9BqM39KcmC20NAZPKS03LuKU8zs-AZYgDQrdXHK07H42FIUb8OHL-rgSWRw919piD42mJ-DJdSJ5x7qATkqOzt52EeZ8NDclfAL%26u%3DbXN4Ym94JTNhJTJmJTJmZ2FtZSUyZiUzZnByb2R1Y3RJZCUzZDlOMEg2MktaM0JYViUyNm9jaWQlM2RpbnBfcm1jX3hib19zdGFydF9UUHRpdGxlX2VuZ2FnZQ%26rlid%3Dc08d68ad621c16fb595e0e86cc34c76e&TIME=20240426T133810Z&CID=530628298&EID=530628298&tids=15000&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644&muid=3EBA0D95A4930C635584F13F751694E4

        HTTP Response

        204

        HTTP Request

        GET https://g.bing.com/neg/0?action=impression&rlink=https%3A%2F%2Fwww.bing.com%2Faclick%3Fld%3De8ul_n1-sTZbfWSkqh2uMCaTVUCUwOyTtLtIFc8z8b9FuK1s9rlt4rmaaVOvr5E4YT7mEjYTTMWQRNV9BqM39KcmC20NAZPKS03LuKU8zs-AZYgDQrdXHK07H42FIUb8OHL-rgSWRw919piD42mJ-DJdSJ5x7qATkqOzt52EeZ8NDclfAL%26u%3DbXN4Ym94JTNhJTJmJTJmZ2FtZSUyZiUzZnByb2R1Y3RJZCUzZDlOMEg2MktaM0JYViUyNm9jaWQlM2RpbnBfcm1jX3hib19zdGFydF9UUHRpdGxlX2VuZ2FnZQ%26rlid%3Dc08d68ad621c16fb595e0e86cc34c76e&TIME=20240426T133810Z&CID=530628298&EID=&tids=15000&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644&muid=3EBA0D95A4930C635584F13F751694E4

        HTTP Response

        204
      • 23.62.61.187:443
        https://www.bing.com/aes/c.gif?RG=d7e1ac4b0ef64a67a661149082ec248f&med=10&pubId=251978541&tids=15000&type=mv&reqver=1.0&TIME=20240426T133810Z&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644
        tls, http2
        1.4kB
        5.3kB
        16
        11

        HTTP Request

        GET https://www.bing.com/aes/c.gif?RG=d7e1ac4b0ef64a67a661149082ec248f&med=10&pubId=251978541&tids=15000&type=mv&reqver=1.0&TIME=20240426T133810Z&adUnitId=11730597&localId=w:3EBA0D95-A493-0C63-5584-F13F751694E4&deviceId=6966564702259644

        HTTP Response

        200
      • 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
        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
        187.61.62.23.in-addr.arpa
        dns
        71 B
        135 B
        1
        1

        DNS Request

        187.61.62.23.in-addr.arpa

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

        DNS Request

        37.56.20.217.in-addr.arpa

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

        DNS Request

        22.160.190.20.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
        56.126.166.20.in-addr.arpa
        dns
        72 B
        158 B
        1
        1

        DNS Request

        56.126.166.20.in-addr.arpa

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

        DNS Request

        17.143.109.104.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
        133.190.18.2.in-addr.arpa
        dns
        71 B
        135 B
        1
        1

        DNS Request

        133.190.18.2.in-addr.arpa

      • 8.8.8.8:53
        131.72.42.20.in-addr.arpa
        dns
        142 B
        157 B
        2
        1

        DNS Request

        131.72.42.20.in-addr.arpa

        DNS Request

        131.72.42.20.in-addr.arpa

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