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Resubmissions

17/12/2022, 06:23

221217-g5lp5aba9y 8

17/12/2022, 06:21

221217-g4algagc38 1

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2022, 06:23

General

  • Target

    https://storage.googleapis.com/f1z5eg4er35h1erb/mjbrbvze.html#3UJ7HLQ52S8CB9S3UJ7HLQ52S8CB9S3UJ7HLQ52S8CB9S3UJ7HLQ52S8CB9S?9yoX4A*hggg4HtHBk*H*kZ0dF*kbW48*hj*k0g*HX*lfQNQ*P240*hgghvm

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 8 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 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://storage.googleapis.com/f1z5eg4er35h1erb/mjbrbvze.html#3UJ7HLQ52S8CB9S3UJ7HLQ52S8CB9S3UJ7HLQ52S8CB9S3UJ7HLQ52S8CB9S?9yoX4A*hggg4HtHBk*H*kZ0dF*kbW48*hj*k0g*HX*lfQNQ*P240*hgghvm
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1488
    • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6ff4f50,0x7fef6ff4f60,0x7fef6ff4f70
      2⤵
        PID:1460
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1020,10181148770349560771,12930860151460290750,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1044 /prefetch:2
        2⤵
          PID:568
        • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1360 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:668
        • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1784 /prefetch:8
          2⤵
            PID:1096
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2056 /prefetch:1
            2⤵
              PID:1512
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2044 /prefetch:1
              2⤵
                PID:912
              • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2544 /prefetch:8
                2⤵
                  PID:1084
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1020,10181148770349560771,12930860151460290750,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3324 /prefetch:2
                  2⤵
                    PID:1672
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,10181148770349560771,12930860151460290750,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3016 /prefetch:1
                    2⤵
                      PID:1788
                    • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1620 /prefetch:8
                      2⤵
                        PID:2088
                      • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=544 /prefetch:8
                        2⤵
                          PID:2128
                        • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=768 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2188
                        • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1664 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2196
                        • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3544 /prefetch:8
                          2⤵
                            PID:2204
                          • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2140 /prefetch:8
                            2⤵
                              PID:2344
                            • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=680 /prefetch:8
                              2⤵
                                PID:2384
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1020,10181148770349560771,12930860151460290750,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3624 /prefetch:1
                                2⤵
                                  PID:2480
                                • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2740 /prefetch:8
                                  2⤵
                                    PID:2568
                                  • 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=1020,10181148770349560771,12930860151460290750,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3272 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2640
                                • 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:2608
                                  • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2608_238654111\ChromeRecovery.exe
                                    "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2608_238654111\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={8fde2810-5fa8-422b-bb42-70be9054250d} --system
                                    2⤵
                                    • Executes dropped EXE
                                    PID:2652

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir2608_238654111\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/2652-58-0x0000000075D01000-0x0000000075D03000-memory.dmp

                                  Filesize

                                  8KB