Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/02/2024, 22:08

General

  • Target

    https://aka.ms/JoinTeamsMeeting

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://aka.ms/JoinTeamsMeeting
    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:4164
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ff8d9c69758,0x7ff8d9c69768,0x7ff8d9c69778
      2⤵
        PID:3188
      • 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=1632 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:2
        2⤵
          PID:1304
        • 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=1848 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:8
          2⤵
            PID:4460
          • 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=1888 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:8
            2⤵
              PID:3672
            • 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=3044 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:1
              2⤵
                PID:2212
              • 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=3024 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:1
                2⤵
                  PID:4504
                • 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=3996 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:1
                  2⤵
                    PID:4716
                  • 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=3244 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:1
                    2⤵
                      PID:780
                    • 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=5072 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:1
                      2⤵
                        PID:776
                      • 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=4600 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:1
                        2⤵
                          PID:5008
                        • 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=5236 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:8
                          2⤵
                            PID:3744
                          • 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=4048 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:8
                            2⤵
                              PID:4644
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4792 --field-trial-handle=2156,i,8826246344727666215,15102098885472682924,131072 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4804
                          • 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:5012

                            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

                                    696B

                                    MD5

                                    f09462c7a83966d1c2b7ba287a331fdd

                                    SHA1

                                    aa360a2b9de8d3dfb6fdc2a89056c9178cf59703

                                    SHA256

                                    84e4e335c7944071323f726ab1f372666976d8c19fd932e98cd1332a0b6e878f

                                    SHA512

                                    93e91c6b0f892657370f57b5bd2a5c202e20f5e42af4d67f2cc84bd044232ee981681b0cc5bef521df267adc35f8efa26f41b5f427cd2b702ab7bb3d7442076f

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

                                    Filesize

                                    2KB

                                    MD5

                                    5d0419b121ff4223550708c26115647b

                                    SHA1

                                    2da2e2942986cb73944a00d45262f3b2008e9421

                                    SHA256

                                    53284dcd40f7bafb832d442394d61c7c928c956d8167bb3b7bbca4a526fc411f

                                    SHA512

                                    e3335eba4fa2e4886fdfba57eb18c64563dcba00ea6dcb6ecd69eae9b6ae640a0674a7370a5ebfea1f7aab9a0881fc2585a9daab6323e6257b88ceb6ea38356b

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

                                    Filesize

                                    1KB

                                    MD5

                                    59c549489e0b1bafca7de9dd64f70fc1

                                    SHA1

                                    e3a9f4d7e056211469c34a1d3d99988e540f6e17

                                    SHA256

                                    4990b9adb6598b7bbe9e228e1f7d7a5b76ae3e6651abcf62dcdc7a80486d30e6

                                    SHA512

                                    c80130993d4b59b7aad5783588e31be9ce7204b4f99cb525fc170c257cd06aacc24dff5a4801981084dccbc770c47469eb2919aca5a56689cdf304342def550a

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

                                    Filesize

                                    1KB

                                    MD5

                                    46a2d699297b820e4f1834cec4cacf5f

                                    SHA1

                                    de2d24dd53f44e88dfa220e1981237c626ce3bfe

                                    SHA256

                                    937dbdf6744c1fea48a760c6c2219810ef9a74d8a80241af077c0dd5b9db3aae

                                    SHA512

                                    adb14f04b186c89b88a012b270d82da3a03204ece9211191a6294d53b6a10cf546839191baf4ef075ddc6afcfdd3a9b8a4b75205c2536779277f523fad6f0a2d

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

                                    Filesize

                                    6KB

                                    MD5

                                    fd1e1333746ace77db2f184432a23722

                                    SHA1

                                    886ba393f529651e3be642e3ac29fad267e72fe4

                                    SHA256

                                    40b38cf9ef9c4cc4ba11b546cc92304ae8428b1e9f1d071935254518d98656a2

                                    SHA512

                                    5556f8a718c569e36b1a24e4eed0c7f156ec17369a4623d1c24ba2253aa67703ef471fd1a864714dd707b0e5e603b0ddab3aa253e8e8855a8a106b9f10a5335c

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

                                    Filesize

                                    114KB

                                    MD5

                                    cdf15bd3abd5ff44ec7dbb835b124b86

                                    SHA1

                                    e7f03b7574f37dd8838015b95ae521f9700a9acf

                                    SHA256

                                    aad6d3a512d6cbe0da8cd7fc3f246303cb2a2e31971a17a055901956daf52b67

                                    SHA512

                                    bc7d98980e9bdc4ed017d6a7f7a6d6b34a7d1e97cc5a60ca02216a09580e3ada163ebb4318ba781c99f644f7d56adca1d1fb1b805ba13304d6e577e9ee290ba6

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

                                    Filesize

                                    2B

                                    MD5

                                    99914b932bd37a50b983c5e7c90ae93b

                                    SHA1

                                    bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                    SHA256

                                    44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                    SHA512

                                    27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd