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Overview

overview

7

Static

static

3

252605a327...18.exe

windows7-x64

3

252605a327...18.exe

windows10-2004-x64

3

$PLUGINSDI...64.dll

windows7-x64

3

$PLUGINSDI...64.dll

windows10-2004-x64

3

$PLUGINSDI...ns.dll

windows7-x64

3

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...LL.dll

windows7-x64

3

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...ew.dll

windows7-x64

3

$PLUGINSDI...ew.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDIR/inetc.dll

windows7-x64

3

$PLUGINSDIR/inetc.dll

windows10-2004-x64

3

$TEMP/KWMU...te.exe

windows7-x64

7

$TEMP/KWMU...te.exe

windows10-2004-x64

7

$PLUGINSDI...64.dll

windows7-x64

3

$PLUGINSDI...64.dll

windows10-2004-x64

3

$PLUGINSDI...ew.dll

windows7-x64

3

$PLUGINSDI...ew.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDIR/inetc.dll

windows7-x64

3

$PLUGINSDIR/inetc.dll

windows10-2004-x64

3

$TEMP/soba...wo.exe

windows7-x64

7

$TEMP/soba...wo.exe

windows10-2004-x64

1

$PROGRAM_F...er.exe

windows7-x64

1

$PROGRAM_F...er.exe

windows10-2004-x64

1

$PROGRAM_F...ar.dll

windows7-x64

7

$PROGRAM_F...ar.dll

windows10-2004-x64

7

$PROGRAM_F...rX.dll

windows7-x64

7

$PROGRAM_F...rX.dll

windows10-2004-x64

7

Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2024, 07:41 UTC

Sharing

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Report Analysis Logs

General

  • Target

    $PLUGINSDIR/KuWoNsis_new.dll

  • Size

    131KB

  • MD5

    435f56efd65613ea1cbd34ca5e95f8e2

  • SHA1

    09fe51d8cf18eff80d9bc2ee3b5b2d59d7793bf6

  • SHA256

    f90bbd3423ef81b05c7fbe62a7fc0ed3257e615144272beafcf8305cf457fa34

  • SHA512

    54fdfbd43b98abc0ee437f359d53735dcaa020a5fdadd9242966bcba02aac172eec921de2d18fa2be0d5bf056d273bcd6f2fee04bcd41c7cc1144d899a460be3

  • SSDEEP

    1536:Wy8MsIG8DZxvF4azRi/IwH/PuBnQPt3da2Cgbxzv6DGn43PA5rBdefgAO2:WJxp89/zQQ2t9v6DG445Fdm/

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\KuWoNsis_new.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KuWoNsis_new.dll,#1
      2⤵
        PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 612
          3⤵
          • Program crash
          PID:1252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4596 -ip 4596
      1⤵
        PID:996

      Network

      • flag-us
        DNS
        97.17.167.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        97.17.167.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        81.144.22.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        81.144.22.2.in-addr.arpa
        IN PTR
        Response
        81.144.22.2.in-addr.arpa
        IN PTR
        a2-22-144-81deploystaticakamaitechnologiescom
      • flag-us
        DNS
        133.32.126.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        133.32.126.40.in-addr.arpa
        IN PTR
        Response
      • 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
        DNS
        58.55.71.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        58.55.71.13.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
        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
        192.142.123.92.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        192.142.123.92.in-addr.arpa
        IN PTR
        Response
        192.142.123.92.in-addr.arpa
        IN PTR
        a92-123-142-192deploystaticakamaitechnologiescom
      • flag-us
        DNS
        73.144.22.2.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        73.144.22.2.in-addr.arpa
        IN PTR
        Response
        73.144.22.2.in-addr.arpa
        IN PTR
        a2-22-144-73deploystaticakamaitechnologiescom
      • flag-us
        DNS
        57.169.31.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        57.169.31.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        13.227.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        13.227.111.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        13.227.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        13.227.111.52.in-addr.arpa
        IN PTR
      • 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
        150.171.27.10
        ax-0001.ax-msedge.net
        IN A
        150.171.28.10
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239359734404_1RBLA5UG5KRWGU20H&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
        Remote address:
        150.171.27.10:443
        Request
        GET /th?id=OADD2.10239359734404_1RBLA5UG5KRWGU20H&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: 597361
        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: B9B14B86790E4202AF637A2E0A4B6600 Ref B: LON04EDGE0906 Ref C: 2024-07-04T07:43:32Z
        date: Thu, 04 Jul 2024 07:43:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301057_1JHF9NK2IDFKNUSZM&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
        Remote address:
        150.171.27.10:443
        Request
        GET /th?id=OADD2.10239317301057_1JHF9NK2IDFKNUSZM&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: 818456
        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: 54438371133E462D8C404D9E24467DB1 Ref B: LON04EDGE0906 Ref C: 2024-07-04T07:43:32Z
        date: Thu, 04 Jul 2024 07:43:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317300980_1Y89D7707MB791W26&pid=21.2&c=16&roil=0&roit=0&roir=1&roib=1&w=1920&h=1080&dynsize=1&qlt=90
        Remote address:
        150.171.27.10:443
        Request
        GET /th?id=OADD2.10239317300980_1Y89D7707MB791W26&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: 668702
        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: 3D1F8FE4FC2C466E83CB5B27939AC3FB Ref B: LON04EDGE0906 Ref C: 2024-07-04T07:43:32Z
        date: Thu, 04 Jul 2024 07:43:31 GMT
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239359734403_1QUIFQSNPPFE4TECL&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
        Remote address:
        150.171.27.10:443
        Request
        GET /th?id=OADD2.10239359734403_1QUIFQSNPPFE4TECL&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
      • flag-us
        GET
        https://tse1.mm.bing.net/th?id=OADD2.10239317301413_1FLIQOLD75SBT6IE1&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
        Remote address:
        150.171.27.10:443
        Request
        GET /th?id=OADD2.10239317301413_1FLIQOLD75SBT6IE1&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
      • flag-us
        DNS
        26.35.223.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        26.35.223.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        26.35.223.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        26.35.223.20.in-addr.arpa
        IN PTR
      • flag-us
        DNS
        26.35.223.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        26.35.223.20.in-addr.arpa
        IN PTR
      • flag-us
        DNS
        10.27.171.150.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        10.27.171.150.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        10.27.171.150.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        10.27.171.150.in-addr.arpa
        IN PTR
      • 150.171.27.10:443
        tse1.mm.bing.net
        tls, http2
        1.5kB
         7.0kB
         18
        15
      • 150.171.27.10:443
        tse1.mm.bing.net
        tls, http2
        1.7kB
         6.9kB
         17
        13
      • 150.171.27.10:443
        tse1.mm.bing.net
        tls, http2
        1.7kB
         6.9kB
         17
        13
      • 150.171.27.10:443
        https://tse1.mm.bing.net/th?id=OADD2.10239317301413_1FLIQOLD75SBT6IE1&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90
        tls, http2
        23.9kB
         595.5kB
         448
        440

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239359734404_1RBLA5UG5KRWGU20H&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=OADD2.10239317301057_1JHF9NK2IDFKNUSZM&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=OADD2.10239317300980_1Y89D7707MB791W26&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=OADD2.10239359734403_1QUIFQSNPPFE4TECL&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

        HTTP Request

        GET https://tse1.mm.bing.net/th?id=OADD2.10239317301413_1FLIQOLD75SBT6IE1&pid=21.2&c=3&w=1080&h=1920&dynsize=1&qlt=90

        HTTP Response

        200

        HTTP Response

        200

        HTTP Response

        200
      • 150.171.27.10:443
        tse1.mm.bing.net
        tls, http2
        1.7kB
         6.9kB
         17
        13
      • 8.8.8.8:53
        97.17.167.52.in-addr.arpa
        dns
        71 B
         145 B
         1
        1

        DNS Request

        97.17.167.52.in-addr.arpa

      • 8.8.8.8:53
        81.144.22.2.in-addr.arpa
        dns
        70 B
         133 B
         1
        1

        DNS Request

        81.144.22.2.in-addr.arpa

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

        DNS Request

        133.32.126.40.in-addr.arpa

      • 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
        58.55.71.13.in-addr.arpa
        dns
        70 B
         144 B
         1
        1

        DNS Request

        58.55.71.13.in-addr.arpa

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

        DNS Request

        86.23.85.13.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
        192.142.123.92.in-addr.arpa
        dns
        73 B
         139 B
         1
        1

        DNS Request

        192.142.123.92.in-addr.arpa

      • 8.8.8.8:53
        73.144.22.2.in-addr.arpa
        dns
        70 B
         133 B
         1
        1

        DNS Request

        73.144.22.2.in-addr.arpa

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

        DNS Request

        57.169.31.20.in-addr.arpa

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

        DNS Request

        13.227.111.52.in-addr.arpa

        DNS Request

        13.227.111.52.in-addr.arpa

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

        DNS Request

        tse1.mm.bing.net

        DNS Response

        150.171.27.10
        150.171.28.10

      • 8.8.8.8:53
        26.35.223.20.in-addr.arpa
        dns
        213 B
         157 B
         3
        1

        DNS Request

        26.35.223.20.in-addr.arpa

        DNS Request

        26.35.223.20.in-addr.arpa

        DNS Request

        26.35.223.20.in-addr.arpa

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

        DNS Request

        10.27.171.150.in-addr.arpa

        DNS Request

        10.27.171.150.in-addr.arpa

      MITRE ATT&CK Matrix

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