Analysis

  • max time kernel
    59s
  • max time network
    58s
  • platform
    windows10-1703_x64
  • resource
    win10-20231220-en
  • resource tags

    arch:x64arch:x86image:win10-20231220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23/01/2024, 13:13

General

  • Target

    https://link.mail.beehiiv.com/ls/click?upn=7fgUWW44dUHsPrANlw-2FlOB0upj4wcoJezjxX0a9G-2BY-2BjVdgoJZCMrYAUMM6EMJo-2FlBCPKWOPUBGbul7mFazwBdbQfxu1Gs4QNq0-2BfSzN0vOfVcwtsFoR8-2FiA0eql3-2BBCjKaz3HBNwVQgHT6TYo0R39BhQLadAmS2PDLKCF-2BXJZWljWVJX4-2BmCr-2FlvmM-2F1mBTPqdw_Pq3I9Eh0D9rhg7rSp11fzgH0J5A0HEAWnXS0zelxr-2BjIa8v7jfhBQAp813yLZDZqIlGIE-2Fg9dECDv0OREVLFJhtqBHSc3S6-2BQrr7HPal3DuGeughepRh7-2FfEswkeb723v4DxA2VoA4S-2BU6CFrTKUlMFQdGkhyRKdRm1JIUlSITXvAPEgGZTlFT9i9NEsWbo-2FdFCyAypQiMcUk9amH7c8ORY8zBqIWIvF21RMXidzu4rXrrU-2Bat1dkTqFRA5lVYIHXgkFcxipiqtPlsiKy0oUDqyeQAp7QMkUnklwadH3cqx5PvYK6jQavlfRDhIHrzVxmWUkgm0doat3QBker5FtqX3ELC9zir3zWfZdbnWGis-2FoAezXc-2FRQbI8FYhB6vDeMMa0K4x4-2FGhbyB0w4UCen82BgOZsDCZxZ0plzXQtgp2SHxEG6GqlR7OtNWT-2BRBPwYXLuFe-2BxbSBBIvdf0-2BvYkjA-3D-3D#am9obl9yb2JlcnRfc2lvbkBtYW51bGlmZS5jb20=

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://link.mail.beehiiv.com/ls/click?upn=7fgUWW44dUHsPrANlw-2FlOB0upj4wcoJezjxX0a9G-2BY-2BjVdgoJZCMrYAUMM6EMJo-2FlBCPKWOPUBGbul7mFazwBdbQfxu1Gs4QNq0-2BfSzN0vOfVcwtsFoR8-2FiA0eql3-2BBCjKaz3HBNwVQgHT6TYo0R39BhQLadAmS2PDLKCF-2BXJZWljWVJX4-2BmCr-2FlvmM-2F1mBTPqdw_Pq3I9Eh0D9rhg7rSp11fzgH0J5A0HEAWnXS0zelxr-2BjIa8v7jfhBQAp813yLZDZqIlGIE-2Fg9dECDv0OREVLFJhtqBHSc3S6-2BQrr7HPal3DuGeughepRh7-2FfEswkeb723v4DxA2VoA4S-2BU6CFrTKUlMFQdGkhyRKdRm1JIUlSITXvAPEgGZTlFT9i9NEsWbo-2FdFCyAypQiMcUk9amH7c8ORY8zBqIWIvF21RMXidzu4rXrrU-2Bat1dkTqFRA5lVYIHXgkFcxipiqtPlsiKy0oUDqyeQAp7QMkUnklwadH3cqx5PvYK6jQavlfRDhIHrzVxmWUkgm0doat3QBker5FtqX3ELC9zir3zWfZdbnWGis-2FoAezXc-2FRQbI8FYhB6vDeMMa0K4x4-2FGhbyB0w4UCen82BgOZsDCZxZ0plzXQtgp2SHxEG6GqlR7OtNWT-2BRBPwYXLuFe-2BxbSBBIvdf0-2BvYkjA-3D-3D#am9obl9yb2JlcnRfc2lvbkBtYW51bGlmZS5jb20=
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:96
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffe65a49758,0x7ffe65a49768,0x7ffe65a49778
      2⤵
        PID:212
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1764 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:8
        2⤵
          PID:1672
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1532 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:2
          2⤵
            PID:4212
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2812 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
            2⤵
              PID:3544
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2804 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
              2⤵
                PID:1512
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2104 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:8
                2⤵
                  PID:3764
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3684 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
                  2⤵
                    PID:4220
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=3680 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
                    2⤵
                      PID:1464
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=2900 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
                      2⤵
                        PID:3680
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4852 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
                        2⤵
                          PID:4432
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5040 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:8
                          2⤵
                            PID:3800
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:8
                            2⤵
                              PID:1836
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=5080 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
                              2⤵
                                PID:3552
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=2864 --field-trial-handle=1828,i,10669290596272222141,4398214114723457149,131072 /prefetch:1
                                2⤵
                                  PID:4280
                              • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                1⤵
                                  PID:1072

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                  Filesize

                                  216B

                                  MD5

                                  41736c0d3a8c9b662f82879e41c9bef6

                                  SHA1

                                  cbf619b7b4b37529dd870f92ea9ae1a498943fbb

                                  SHA256

                                  872a37be45fc6ab18b30d61830e53890842b361cab48faa14669a9a69a342fbc

                                  SHA512

                                  c1025ebfe0cfd50fd6b9142fc94261ca4f2e97debe0d71d778b79474f298cca08d2a7ebab1f2f6a3801fcdc730ef1ed3c62b6fb52288f24531c1260f03eaaa80

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                  Filesize

                                  96B

                                  MD5

                                  7d48e6f19ff0c0aac61de00ec8c774d4

                                  SHA1

                                  501246ff4cbf8189da046ec373c9d81c572b2604

                                  SHA256

                                  4a616ba2778e3c0185e6088f905fe44920a746724e11ecf78da1623f0f53fe1e

                                  SHA512

                                  392c96de0e755e72be6ad39b0546018c8ca1b6e84e34154674ebee0b86566bddd6709857be2dd3670606f3b9b1072b107f736c58dbc77ee92352399cd4cbd435

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                                  Filesize

                                  1KB

                                  MD5

                                  8365dd025c48989c33425a02bd90531c

                                  SHA1

                                  c442881142d8485230cc2ba7e06d6a4af3c20fd4

                                  SHA256

                                  f515230a2f6cd7f1614f667322037e85e247eeef6a2c6418854cef89630c6550

                                  SHA512

                                  3b1a5279b716783dbeec3524b9d4335c8db8d6857e59512f1b011d3c0b5f4122392e1ba4d34347b42370b77706618fd8e11513052eb212be82487c6f36d87f5c

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  7KB

                                  MD5

                                  9db56c4a54ca625d3c9679815ad7edad

                                  SHA1

                                  1aa5a88e4487fedb7059ed42f6133205eb19f479

                                  SHA256

                                  05a65eba021072c9d634dd8dbda66efe536b215176fc5d4d85c9c6d6a2b872c8

                                  SHA512

                                  5dd22c1830d2312126c5eeaf291a12968299a9c7774f5ae6535629ef703fa677102a5dcd0765011c296540746eaf04c8ceb8e6df7eb66ef44dde4940cd31044b

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                  Filesize

                                  6KB

                                  MD5

                                  b3d73876f01c9eaf99bb5906da533425

                                  SHA1

                                  7ee650892595fc9c30be675a43d6242e88bc6323

                                  SHA256

                                  325271e1f0f332737a1b1640872eda189235edee9de0ec86287f13e2b2a539e7

                                  SHA512

                                  6cd85b2f6e1d04a104b7c637a0c0d5203f4b29efeda07bbf48c6165d2c131df7a11f39984be811fdb9e7d9a1bab1d8400d7aafe9077d17aef0fd6b90eb82b90c

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                  Filesize

                                  114KB

                                  MD5

                                  0638219db0af7590cdb3f237c92a0747

                                  SHA1

                                  b83e6a1fd3e13b77e91c232070b20d579cefb4d7

                                  SHA256

                                  23bc97ed6f2b50928bfd7ee7619ae193a73b9ea7d654fab5015bc23e7b880cab

                                  SHA512

                                  3b6d08955396b052a08ef19d961db27b5426c3b97b75abc25e378f2295b1889ffda4f9268817adedf309dfe9cbba82d9c31e7c80ce112407a4ed8c85744b2c65

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd