Analysis

  • max time kernel
    1083s
  • max time network
    1168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-it
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-itlocale:it-itos:windows10-2004-x64systemwindows
  • submitted
    05-10-2022 12:27

General

  • Target

    https://outlook.office365.com/Encryption/ErrorPage.aspx?src=3&code=11&be=SN6PR04MB4014&fe=JNAP275CA0040.ZAFP275.PROD.OUTLOOgK.COM&loc=en-US&itemID=E4E_M_e9df154a-e4b8-4486-8aec-7acceeb93fee

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 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" https://outlook.office365.com/Encryption/ErrorPage.aspx?src=3&code=11&be=SN6PR04MB4014&fe=JNAP275CA0040.ZAFP275.PROD.OUTLOOgK.COM&loc=en-US&itemID=E4E_M_e9df154a-e4b8-4486-8aec-7acceeb93fee
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4932
    • 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=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8dda24f50,0x7ff8dda24f60,0x7ff8dda24f70
      2⤵
        PID:1964
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1660 /prefetch:2
        2⤵
          PID:4944
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1928 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4768
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2404 /prefetch:8
          2⤵
            PID:2472
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2944 /prefetch:1
            2⤵
              PID:3524
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2932 /prefetch:1
              2⤵
                PID:2964
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4304 /prefetch:8
                2⤵
                  PID:3488
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4592 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3576
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4480 /prefetch:8
                  2⤵
                    PID:4936
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4488 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4796
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4836 /prefetch:8
                    2⤵
                      PID:2572
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4452 /prefetch:8
                      2⤵
                        PID:3624
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4868 /prefetch:8
                        2⤵
                          PID:4316
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4364 /prefetch:1
                          2⤵
                            PID:4012
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4432 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1428
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4844 /prefetch:8
                            2⤵
                              PID:4964
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4856 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:176
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4276 /prefetch:8
                              2⤵
                                PID:1696
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5068 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2904
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4852 /prefetch:8
                                2⤵
                                  PID:4244
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=4896 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4444
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3724 /prefetch:8
                                  2⤵
                                    PID:600
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4876 /prefetch:8
                                    2⤵
                                      PID:2892
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=892 /prefetch:8
                                      2⤵
                                        PID:2012
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=904 /prefetch:8
                                        2⤵
                                          PID:1724
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4728 /prefetch:8
                                          2⤵
                                            PID:4016
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
                                            2⤵
                                              PID:976
                                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1640,6398820078322745538,16326449029812429979,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4716 /prefetch:8
                                              2⤵
                                                PID:4928
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:176
                                              • C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe
                                                "C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe"
                                                1⤵
                                                • Drops file in Program Files directory
                                                PID:4360
                                                • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir4360_425637594\ChromeRecovery.exe
                                                  "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir4360_425637594\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={66db2264-4278-4d06-a645-ef96b6dcf30f} --system
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:4364

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir4360_425637594\ChromeRecovery.exe

                                                Filesize

                                                253KB

                                                MD5

                                                49ac3c96d270702a27b4895e4ce1f42a

                                                SHA1

                                                55b90405f1e1b72143c64113e8bc65608dd3fd76

                                                SHA256

                                                82aa3fd6a25cda9e16689cfadea175091be010cecae537e517f392e0bef5ba0f

                                                SHA512

                                                b62f6501cb4c992d42d9097e356805c88ac4ac5a46ead4a8eee9f8cbae197b2305da8aab5b4a61891fe73951588025f2d642c32524b360687993f98c913138a0

                                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\RecoveryImproved\1.3.36.141\Recovery.crx3

                                                Filesize

                                                141KB

                                                MD5

                                                ea1c1ffd3ea54d1fb117bfdbb3569c60

                                                SHA1

                                                10958b0f690ae8f5240e1528b1ccffff28a33272

                                                SHA256

                                                7c3a6a7d16ac44c3200f572a764bce7d8fa84b9572dd028b15c59bdccbc0a77d

                                                SHA512

                                                6c30728cac9eac53f0b27b7dbe2222da83225c3b63617d6b271a6cfedf18e8f0a8dffa1053e1cbc4c5e16625f4bbc0d03aa306a946c9d72faa4ceb779f8ffcaf

                                              • memory/4364-135-0x0000000000000000-mapping.dmp