Analysis

  • max time kernel
    141s
  • max time network
    143s
  • 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 12:22

General

  • Target

    https://u30076705.ct.sendgrid.net/asm/

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://u30076705.ct.sendgrid.net/asm/
    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:3444
    • 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,0x100,0x104,0xd8,0x108,0x7ffab7104f50,0x7ffab7104f60,0x7ffab7104f70
      2⤵
        PID:2376
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1584,16550436250922006256,566034642890589814,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1632 /prefetch:2
        2⤵
          PID:1804
        • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1992 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3232
        • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2336 /prefetch:8
          2⤵
            PID:3880
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,16550436250922006256,566034642890589814,131072 --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:4040
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2980 /prefetch:1
              2⤵
                PID:3552
              • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4232 /prefetch:8
                2⤵
                  PID:2068
                • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4372 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1200
                • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5044 /prefetch:8
                  2⤵
                    PID:4320
                  • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5076 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4784
                  • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4408 /prefetch:8
                    2⤵
                      PID:4056
                    • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5100 /prefetch:8
                      2⤵
                        PID:4872
                      • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5104 /prefetch:8
                        2⤵
                          PID:3808
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1584,16550436250922006256,566034642890589814,131072 --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=4492 /prefetch:1
                          2⤵
                            PID:3740
                          • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5300 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2236
                          • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=912 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4660
                          • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2116 /prefetch:8
                            2⤵
                              PID:4676
                            • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2568 /prefetch:8
                              2⤵
                                PID:4156
                              • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5244 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3784
                              • 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=1584,16550436250922006256,566034642890589814,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4276 /prefetch:8
                                2⤵
                                  PID:60
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1584,16550436250922006256,566034642890589814,131072 --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=4368 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2420
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:4920
                                • 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:2948
                                  • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2948_1595039954\ChromeRecovery.exe
                                    "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2948_1595039954\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={a4d5d2da-1af7-46fa-a8ab-14b432eb9157} --system
                                    2⤵
                                    • Executes dropped EXE
                                    PID:3172

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2948_1595039954\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_3444_OYZRANQJGGCYGZIB

                                  MD5

                                  d41d8cd98f00b204e9800998ecf8427e

                                  SHA1

                                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                                  SHA256

                                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                  SHA512

                                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                • memory/3172-135-0x0000000000000000-mapping.dmp