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Resubmissions

26/09/2022, 19:00 UTC

220926-xnpnfsbgd8 1

26/09/2022, 16:07 UTC

220926-tkzsgacdhq 1

26/09/2022, 15:41 UTC

220926-s44ebsbca5 1

26/09/2022, 15:29 UTC

220926-sw34lacdbp 1

Analysis

  • max time kernel
    134s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2022, 15:41 UTC

General

  • Target

    Users/kmlarsen/AppData/Local/Microsoft/Windows/INetCache/Content.Outlook/W4YE5R4Y/☎️ Voicemail Audio Transcription.htm

  • Size

    13KB

  • MD5

    743bce526b069f0c70069210fbf399b1

  • SHA1

    884b1d100def065ba2964f81bcea919a44a3a2f1

  • SHA256

    2dbd2d653764003082326aacc9b1267075039f95446517cf6560a74785828e16

  • SHA512

    e0b79bc1cb7be72282ce7373957c1af7f3e2333efe60b055a0acbb3fd6563da7c39e1a0520597797f99d7f28b898e19f2957103a67cc954c549964fac24c26eb

  • SSDEEP

    384:KbcrRYCh//If1GdYxNAPoIIklxYq/KxnppHltlfKRLWcwgWwaThTZbKob7/:KbcrR95Qf1EYxNAAIzlxYGKxnppHltlj

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Local\Temp\Users\kmlarsen\AppData\Local\Microsoft\Windows\INetCache\Content.Outlook\W4YE5R4Y\☎️ Voicemail Audio Transcription.htm"
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4220 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:532

Network

  • flag-us
    DNS
    ajax.googleapis.com
    IEXPLORE.EXE
    Remote address:
    8.8.8.8:53
    Request
    ajax.googleapis.com
    IN A
    Response
    ajax.googleapis.com
    IN A
    142.250.179.170
  • flag-nl
    GET
    https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
    IEXPLORE.EXE
    Remote address:
    142.250.179.170:443
    Request
    GET /ajax/libs/jquery/3.4.1/jquery.min.js HTTP/2.0
    host: ajax.googleapis.com
    accept: application/javascript, */*;q=0.8
    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
    Response
    HTTP/2.0 200
    accept-ranges: bytes
    vary: Accept-Encoding
    content-encoding: gzip
    access-control-allow-origin: *
    content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/hosted-libraries-pushers
    cross-origin-resource-policy: cross-origin
    cross-origin-opener-policy: same-origin; report-to="hosted-libraries-pushers"
    report-to: {"group":"hosted-libraries-pushers","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/hosted-libraries-pushers"}]}
    timing-allow-origin: *
    content-length: 30774
    x-content-type-options: nosniff
    server: sffe
    x-xss-protection: 0
    date: Sun, 25 Sep 2022 17:58:03 GMT
    expires: Mon, 25 Sep 2023 17:58:03 GMT
    cache-control: public, max-age=31536000, stale-while-revalidate=2592000
    last-modified: Mon, 13 May 2019 14:37:17 GMT
    content-type: text/javascript; charset=UTF-8
    age: 78234
    alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
  • flag-us
    DNS
    aadcdn.msftauth.net
    IEXPLORE.EXE
    Remote address:
    8.8.8.8:53
    Request
    aadcdn.msftauth.net
    IN A
    Response
    aadcdn.msftauth.net
    IN CNAME
    cs1100.wpc.omegacdn.net
    cs1100.wpc.omegacdn.net
    IN A
    152.199.23.37
  • flag-us
    GET
    https://aadcdn.msftauth.net/ests/2.1/content/cdnbundles/converged.v2.login.min_ziytf8dzt9eg1s6-ohhleg2.css
    IEXPLORE.EXE
    Remote address:
    152.199.23.37:443
    Request
    GET /ests/2.1/content/cdnbundles/converged.v2.login.min_ziytf8dzt9eg1s6-ohhleg2.css HTTP/2.0
    host: aadcdn.msftauth.net
    accept: text/css, */*
    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
    Response
    HTTP/2.0 200
    content-encoding: gzip
    accept-ranges: bytes
    access-control-allow-origin: *
    access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
    age: 175843
    cache-control: public, max-age=31536000
    content-md5: xg2DER+s52egaL6bUXi4hw==
    content-type: text/css
    date: Mon, 26 Sep 2022 15:41:57 GMT
    etag: 0x8DA2180E9C582E0
    last-modified: Mon, 18 Apr 2022 21:17:58 GMT
    server: ECAcc (amc/BC42)
    vary: Accept-Encoding
    x-cache: HIT
    x-ms-blob-type: BlockBlob
    x-ms-lease-status: unlocked
    x-ms-request-id: 9e21be3b-201e-007b-0e25-d03711000000
    x-ms-version: 2009-09-19
    content-length: 19953
  • flag-us
    GET
    https://aadcdn.msftauth.net/shared/1.0/content/images/microsoft_logo_ee5c8d9fb6248c938fd0dc19370e90bd.svg
    IEXPLORE.EXE
    Remote address:
    152.199.23.37:443
    Request
    GET /shared/1.0/content/images/microsoft_logo_ee5c8d9fb6248c938fd0dc19370e90bd.svg HTTP/2.0
    host: aadcdn.msftauth.net
    accept: image/png, image/svg+xml, image/jxr, image/*;q=0.8, */*;q=0.5
    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
    Response
    HTTP/2.0 200
    content-encoding: gzip
    accept-ranges: bytes
    access-control-allow-origin: *
    access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
    age: 401383
    cache-control: public, max-age=31536000
    content-md5: TjUQkZ0p0Y7rbj6LJofS9Q==
    content-type: image/svg+xml
    date: Mon, 26 Sep 2022 15:41:58 GMT
    etag: 0x8D79A1B9B05915D
    last-modified: Thu, 16 Jan 2020 00:32:45 GMT
    server: ECAcc (amc/BC26)
    vary: Accept-Encoding
    x-cache: HIT
    x-ms-blob-type: BlockBlob
    x-ms-lease-status: unlocked
    x-ms-request-id: 86f1a837-901e-0002-3717-ced3e8000000
    x-ms-version: 2009-09-19
    content-length: 276
  • flag-us
    GET
    https://aadcdn.msftauth.net/shared/1.0/content/images/arrow_left_a9cc2824ef3517b6c4160dcf8ff7d410.svg
    IEXPLORE.EXE
    Remote address:
    152.199.23.37:443
    Request
    GET /shared/1.0/content/images/arrow_left_a9cc2824ef3517b6c4160dcf8ff7d410.svg HTTP/2.0
    host: aadcdn.msftauth.net
    accept: image/png, image/svg+xml, image/jxr, image/*;q=0.8, */*;q=0.5
    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
    Response
    HTTP/2.0 200
    content-encoding: gzip
    accept-ranges: bytes
    access-control-allow-origin: *
    access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
    age: 401415
    cache-control: public, max-age=31536000
    content-md5: nzaLxFgP7ZB3dfMcaybWzw==
    content-type: image/svg+xml
    date: Mon, 26 Sep 2022 15:41:58 GMT
    etag: 0x8D79A1B9F5E121A
    last-modified: Thu, 16 Jan 2020 00:32:52 GMT
    server: ECAcc (amc/BC34)
    vary: Accept-Encoding
    x-cache: HIT
    x-ms-blob-type: BlockBlob
    x-ms-lease-status: unlocked
    x-ms-request-id: 8196e058-b01e-0055-3717-ce88ae000000
    x-ms-version: 2009-09-19
    content-length: 1435
  • flag-us
    GET
    https://aadcdn.msftauth.net/shared/1.0/content/images/backgrounds/2_bc3d32a696895f78c19df6c717586a5d.svg
    IEXPLORE.EXE
    Remote address:
    152.199.23.37:443
    Request
    GET /shared/1.0/content/images/backgrounds/2_bc3d32a696895f78c19df6c717586a5d.svg HTTP/2.0
    host: aadcdn.msftauth.net
    accept: image/png, image/svg+xml, image/jxr, image/*;q=0.8, */*;q=0.5
    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
    Response
    HTTP/2.0 200
    content-encoding: gzip
    accept-ranges: bytes
    access-control-allow-origin: *
    access-control-expose-headers: x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
    age: 401415
    cache-control: public, max-age=31536000
    content-md5: DhdidjYrlCeaRJJRG/y9mA==
    content-type: image/svg+xml
    date: Mon, 26 Sep 2022 15:41:58 GMT
    etag: 0x8D7B007297AE131
    last-modified: Wed, 12 Feb 2020 22:01:50 GMT
    server: ECAcc (amc/BC4E)
    vary: Accept-Encoding
    x-cache: HIT
    x-ms-blob-type: BlockBlob
    x-ms-lease-status: unlocked
    x-ms-request-id: 7b32b025-b01e-0055-7b17-ce88ae000000
    x-ms-version: 2009-09-19
    content-length: 673
  • 142.250.179.170:443
    ajax.googleapis.com
    tls, https
    IEXPLORE.EXE
    1.1kB
    5.5kB
    15
    11
  • 142.250.179.170:443
    https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
    tls, http2
    IEXPLORE.EXE
    2.5kB
    38.7kB
    42
    36

    HTTP Request

    GET https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js

    HTTP Response

    200
  • 152.199.23.37:443
    https://aadcdn.msftauth.net/shared/1.0/content/images/backgrounds/2_bc3d32a696895f78c19df6c717586a5d.svg
    tls, http2
    IEXPLORE.EXE
    2.8kB
    30.6kB
    41
    39

    HTTP Request

    GET https://aadcdn.msftauth.net/ests/2.1/content/cdnbundles/converged.v2.login.min_ziytf8dzt9eg1s6-ohhleg2.css

    HTTP Response

    200

    HTTP Request

    GET https://aadcdn.msftauth.net/shared/1.0/content/images/microsoft_logo_ee5c8d9fb6248c938fd0dc19370e90bd.svg

    HTTP Request

    GET https://aadcdn.msftauth.net/shared/1.0/content/images/arrow_left_a9cc2824ef3517b6c4160dcf8ff7d410.svg

    HTTP Response

    200

    HTTP Response

    200

    HTTP Request

    GET https://aadcdn.msftauth.net/shared/1.0/content/images/backgrounds/2_bc3d32a696895f78c19df6c717586a5d.svg

    HTTP Response

    200
  • 152.199.23.37:443
    aadcdn.msftauth.net
    tls, http2
    IEXPLORE.EXE
    1.3kB
    6.0kB
    18
    17
  • 20.189.173.12:443
    322 B
    7
  • 204.79.197.200:443
    ieonline.microsoft.com
    tls, http2
    iexplore.exe
    1.2kB
    8.1kB
    15
    14
  • 8.8.8.8:53
    ajax.googleapis.com
    dns
    IEXPLORE.EXE
    65 B
    81 B
    1
    1

    DNS Request

    ajax.googleapis.com

    DNS Response

    142.250.179.170

  • 8.8.8.8:53
    aadcdn.msftauth.net
    dns
    IEXPLORE.EXE
    65 B
    115 B
    1
    1

    DNS Request

    aadcdn.msftauth.net

    DNS Response

    152.199.23.37

MITRE ATT&CK Enterprise v6

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