Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-01-2023 17:53

General

  • Target

    https://aka.ms/o0ukef

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Drops file in Program Files directory 7 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 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://aka.ms/o0ukef
    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:2220
    • 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,0x100,0x104,0xd8,0x108,0x7ffe4fc04f50,0x7ffe4fc04f60,0x7ffe4fc04f70
      2⤵
        PID:2360
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1680 /prefetch:2
        2⤵
          PID:4740
        • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2004 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4924
        • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2308 /prefetch:8
          2⤵
            PID:2044
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2976 /prefetch:1
            2⤵
              PID:1564
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2984 /prefetch:1
              2⤵
                PID:4936
              • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4248 /prefetch:8
                2⤵
                  PID:2408
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4256 /prefetch:1
                  2⤵
                    PID:224
                  • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3480 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:968
                  • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4484 /prefetch:8
                    2⤵
                      PID:2312
                    • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4936 /prefetch:8
                      2⤵
                        PID:4136
                      • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4952 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4100
                      • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4852 /prefetch:8
                        2⤵
                          PID:1540
                        • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4956 /prefetch:8
                          2⤵
                            PID:4948
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5072 /prefetch:1
                            2⤵
                              PID:5108
                            • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4748 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1124
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4480 /prefetch:1
                              2⤵
                                PID:4552
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3608 /prefetch:1
                                2⤵
                                  PID:2132
                                • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4752 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:3504
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5052 /prefetch:1
                                  2⤵
                                    PID:1880
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4496 /prefetch:1
                                    2⤵
                                      PID:3528
                                    • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3112 /prefetch:8
                                      2⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:2168
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5180 /prefetch:1
                                      2⤵
                                        PID:3948
                                      • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1104 /prefetch:8
                                        2⤵
                                          PID:2136
                                        • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
                                          2⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:3256
                                        • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1556 /prefetch:8
                                          2⤵
                                            PID:4636
                                          • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=864 /prefetch:8
                                            2⤵
                                              PID:1828
                                            • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5248 /prefetch:8
                                              2⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:2356
                                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1648,11136004687574298955,16386288631772988885,131072 --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=5280 /prefetch:2
                                              2⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:1040
                                            • 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=1648,11136004687574298955,16386288631772988885,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2140 /prefetch:8
                                              2⤵
                                                PID:3548
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:2768
                                              • 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:1592
                                                • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1592_149849743\ChromeRecovery.exe
                                                  "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1592_149849743\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={f6589320-2bd5-4b6c-8e0e-0bccda2dc0cf} --system
                                                  2⤵
                                                  • Executes dropped EXE
                                                  PID:224

                                              Network

                                              MITRE ATT&CK Matrix ATT&CK v6

                                              Discovery

                                              Query Registry

                                              1
                                              T1012

                                              System Information Discovery

                                              1
                                              T1082

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir1592_149849743\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_2220_BDCBINJRRDVPEUIY
                                                MD5

                                                d41d8cd98f00b204e9800998ecf8427e

                                                SHA1

                                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                SHA256

                                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                SHA512

                                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                              • memory/224-135-0x0000000000000000-mapping.dmp