Analysis

  • max time kernel
    361s
  • max time network
    363s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:45

General

  • Target

    https://www.edustaffbenefits.com/unsubscribe.htm

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 4 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://www.edustaffbenefits.com/unsubscribe.htm
    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:4432
    • 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,0x100,0x104,0xe4,0x108,0x7ffde70a4f50,0x7ffde70a4f60,0x7ffde70a4f70
      2⤵
        PID:5036
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1576,8063301186839872101,12636531672394400950,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1620 /prefetch:2
        2⤵
          PID:1204
        • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1972 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1120
        • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2360 /prefetch:8
          2⤵
            PID:1968
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2992 /prefetch:1
            2⤵
              PID:388
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2972 /prefetch:1
              2⤵
                PID:2184
              • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4192 /prefetch:8
                2⤵
                  PID:4280
                • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4268 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4992
                • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5236 /prefetch:8
                  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.UtilWin --field-trial-handle=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5356 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3764
                  • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5288 /prefetch:8
                    2⤵
                      PID:4796
                    • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4740 /prefetch:8
                      2⤵
                        PID:3656
                      • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5268 /prefetch:8
                        2⤵
                          PID:3304
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1576,8063301186839872101,12636531672394400950,131072 --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=2432 /prefetch:1
                          2⤵
                            PID:3752
                          • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5376 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2972
                          • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4792 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4616
                          • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4676 /prefetch:8
                            2⤵
                              PID:1384
                            • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4124 /prefetch:8
                              2⤵
                                PID:3596
                              • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4884 /prefetch:8
                                2⤵
                                  PID:3512
                                • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2472 /prefetch:8
                                  2⤵
                                    PID:4464
                                  • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4632 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4448
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1576,8063301186839872101,12636531672394400950,131072 --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=2316 /prefetch:2
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1444
                                  • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2480 /prefetch:8
                                    2⤵
                                      PID:1536
                                    • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4848 /prefetch:8
                                      2⤵
                                        PID:3660
                                      • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4192 /prefetch:8
                                        2⤵
                                          PID:3708
                                        • 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=1576,8063301186839872101,12636531672394400950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2472 /prefetch:8
                                          2⤵
                                            PID:4352
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1576,8063301186839872101,12636531672394400950,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=27 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4920 /prefetch:1
                                            2⤵
                                              PID:1244
                                          • C:\Windows\System32\CompPkgSrv.exe
                                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                                            1⤵
                                              PID:4604
                                            • 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:4104
                                              • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir4104_2111343799\ChromeRecovery.exe
                                                "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir4104_2111343799\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={5bbcfaa5-8731-4706-a0ce-9a46bdeb0e19} --system
                                                2⤵
                                                • Executes dropped EXE
                                                PID:2536

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

                                            Loading Replay Monitor...

                                            Downloads

                                            • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir4104_2111343799\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

                                            • C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches

                                              MD5

                                              d41d8cd98f00b204e9800998ecf8427e

                                              SHA1

                                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                                              SHA256

                                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                              SHA512

                                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                            • \??\pipe\crashpad_4432_PRGLGPWIFCBFYHYA

                                              MD5

                                              d41d8cd98f00b204e9800998ecf8427e

                                              SHA1

                                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                                              SHA256

                                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                              SHA512

                                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                            • memory/2536-135-0x0000000000000000-mapping.dmp