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Analysis

  • max time kernel
    83s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2023, 20:03 UTC

General

  • Target

    http://rwin.show

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://rwin.show
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:684 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:5052

Network

  • flag-us
    DNS
    97.97.242.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    97.97.242.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    rwin.show
    IEXPLORE.EXE
    Remote address:
    8.8.8.8:53
    Request
    rwin.show
    IN A
    Response
    rwin.show
    IN A
    104.21.43.141
    rwin.show
    IN A
    172.67.180.52
  • flag-us
    DNS
    254.1.248.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    254.1.248.8.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
    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
    GET
    http://rwin.show/
    IEXPLORE.EXE
    Remote address:
    104.21.43.141:80
    Request
    GET / HTTP/1.1
    Accept: text/html, application/xhtml+xml, image/jxr, */*
    Accept-Language: en-US
    User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
    Accept-Encoding: gzip, deflate
    Host: rwin.show
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Wed, 31 May 2023 20:05:17 GMT
    Content-Type: text/html
    Transfer-Encoding: chunked
    Connection: keep-alive
    Last-Modified: Tue, 30 May 2023 12:07:36 GMT
    CF-Cache-Status: DYNAMIC
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=g7QBfqGCP%2Foq7c4jfh9z4V0i6naYYklK3iabYnGByXE%2FG%2BASV5zGj6mGq3RwnQqbOhq5y52pqN5TePPjN8jYeH17uun9jrdBKf8%2FCbWNZwlN07YfNtL0wmzrNjE%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Server: cloudflare
    CF-RAY: 7d01d4af898db779-AMS
    Content-Encoding: gzip
    alt-svc: h3=":443"; ma=86400
  • flag-us
    GET
    http://rwin.show/main.js
    IEXPLORE.EXE
    Remote address:
    104.21.43.141:80
    Request
    GET /main.js HTTP/1.1
    Accept: application/javascript, */*;q=0.8
    Referer: http://rwin.show/
    Accept-Language: en-US
    User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
    Accept-Encoding: gzip, deflate
    Host: rwin.show
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Wed, 31 May 2023 20:05:17 GMT
    Content-Type: text/plain
    Transfer-Encoding: chunked
    Connection: keep-alive
    Last-Modified: Tue, 30 May 2023 12:07:18 GMT
    ETag: W/"6475e6f6-398"
    Cache-Control: max-age=14400
    CF-Cache-Status: HIT
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=obmOv1iDss3zt1BKmG3cYCXmpMfAzLtLOYcro5%2BnrnVTJkl%2FyAbdRALTEHpruTeSKZnkEhBOAebqtK6u0b1M5LvDdqVWzDpk9L%2FjGHUE4nzUehEzYC8GL45k0iw%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Vary: Accept-Encoding
    Server: cloudflare
    CF-RAY: 7d01d4b20c27b779-AMS
    Content-Encoding: gzip
    alt-svc: h3=":443"; ma=86400
  • flag-us
    GET
    http://rwin.show/favicon.ico
    IEXPLORE.EXE
    Remote address:
    104.21.43.141:80
    Request
    GET /favicon.ico HTTP/1.1
    Accept: */*
    Accept-Encoding: gzip, deflate
    User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
    Host: rwin.show
    Connection: Keep-Alive
    Response
    HTTP/1.1 200 OK
    Date: Wed, 31 May 2023 20:05:19 GMT
    Content-Type: text/html
    Transfer-Encoding: chunked
    Connection: keep-alive
    Last-Modified: Tue, 30 May 2023 12:07:36 GMT
    Cache-Control: max-age=14400
    CF-Cache-Status: HIT
    Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=XPIWOJBM1o3f%2BGFa1ntlVZiDorfVa3RlXvOdsxjltH1%2B1NgP3aXj7Tgbqec1UqbIUwtB%2F%2FclVIBwBnXHsrL2AQdhcUxwuj06QOl3iFPOZRTobJ%2FoED%2FqpRT4Gao%3D"}],"group":"cf-nel","max_age":604800}
    NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
    Vary: Accept-Encoding
    Server: cloudflare
    CF-RAY: 7d01d4bb3d45b779-AMS
    Content-Encoding: gzip
    alt-svc: h3=":443"; ma=86400
  • flag-us
    DNS
    141.43.21.104.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    141.43.21.104.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    76.38.195.152.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    76.38.195.152.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    241.150.49.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    241.150.49.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    200.232.18.117.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    200.232.18.117.in-addr.arpa
    IN PTR
    Response
  • 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
    62.13.109.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    62.13.109.52.in-addr.arpa
    IN PTR
    Response
  • 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
    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
    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
  • 104.21.43.141:80
    http://rwin.show/favicon.ico
    http
    IEXPLORE.EXE
    1.4kB
    4.3kB
    14
    11

    HTTP Request

    GET http://rwin.show/

    HTTP Response

    200

    HTTP Request

    GET http://rwin.show/main.js

    HTTP Response

    200

    HTTP Request

    GET http://rwin.show/favicon.ico

    HTTP Response

    200
  • 104.21.43.141:80
    rwin.show
    IEXPLORE.EXE
    466 B
    92 B
    10
    2
  • 52.242.101.226:443
    260 B
    5
  • 51.11.192.49:443
    322 B
    7
  • 52.242.101.226:443
    260 B
    5
  • 117.18.232.240:80
    322 B
    7
  • 204.79.197.200:443
    ieonline.microsoft.com
    tls, http2
    iexplore.exe
    1.2kB
    8.1kB
    15
    15
  • 117.18.232.240:80
    322 B
    7
  • 117.18.232.240:80
    322 B
    7
  • 117.18.232.240:80
    322 B
    7
  • 173.223.113.164:443
    322 B
    7
  • 8.8.8.8:53
    97.97.242.52.in-addr.arpa
    dns
    71 B
    145 B
    1
    1

    DNS Request

    97.97.242.52.in-addr.arpa

  • 8.8.8.8:53
    rwin.show
    dns
    IEXPLORE.EXE
    55 B
    87 B
    1
    1

    DNS Request

    rwin.show

    DNS Response

    104.21.43.141
    172.67.180.52

  • 8.8.8.8:53
    254.1.248.8.in-addr.arpa
    dns
    70 B
    124 B
    1
    1

    DNS Request

    254.1.248.8.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
    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
    141.43.21.104.in-addr.arpa
    dns
    72 B
    134 B
    1
    1

    DNS Request

    141.43.21.104.in-addr.arpa

  • 8.8.8.8:53
    76.38.195.152.in-addr.arpa
    dns
    72 B
    143 B
    1
    1

    DNS Request

    76.38.195.152.in-addr.arpa

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

    DNS Request

    241.150.49.20.in-addr.arpa

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

    DNS Request

    200.232.18.117.in-addr.arpa

  • 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
    62.13.109.52.in-addr.arpa
    dns
    71 B
    145 B
    1
    1

    DNS Request

    62.13.109.52.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
    183.59.114.20.in-addr.arpa
    dns
    144 B
    316 B
    2
    2

    DNS Request

    183.59.114.20.in-addr.arpa

    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

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    080320bb3fe7e7f860019942e6f77f9c

    SHA1

    2d6f3813b1ed7972c01df6330eb3b0c30339eda9

    SHA256

    9eb11d5a62c35054e50d193211638a08c9b94d5b360f943df4124e28ab793a6f

    SHA512

    9def7fa57fc58af72dc374f0ca010107585a355ffcb3c1d3b99064a455acf3fe8ed7d42052234fe2d042b5ccda8af4ba16a8b2dd882b01f0be7edb8cf7aa8944

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    67e6b7c96bf5053db4fc7d4fafaa6f5c

    SHA1

    6e92de695b819620751f4cc63b8e34b73bb1405a

    SHA256

    2dda412bbec565afc876a9ca9ed63104d71c5ce7b6021dc9258dc934ee8653ee

    SHA512

    6704a3c13fbe30ce803079aa0a4dbf1865c5a740a345015e5e4dc7f47a02d4172bd35d240c05f325bef6bf68d5c143e06f5cb9fb4bc3ba6e03025ad71e7b8d42

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1IYUAPIF\favicon[1].htm

    Filesize

    1KB

    MD5

    0ce8fa73af17deabfcfce5e7a87d42f3

    SHA1

    2e00929ae2a323fdad141f035af6a016a49eedf6

    SHA256

    9cbed088f1896e44d7a8e2eebff4b3853053cdbc4e76aad74652abdaec3aff16

    SHA512

    e7f13e6c79e1b6d34dfa8ef18e2cb261627fafeece43808182ec0fd9453f7c42ea1152ac5b94692f18ac2aaa904cfaa7fb21139feab5f588292c95ecce224435

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1IYUAPIF\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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