Resubmissions

18/02/2024, 05:51

240218-gj64yafa75 7

18/02/2024, 05:49

240218-gjh24sfa68 1

18/02/2024, 05:45

240218-gf7lasfa35 7

Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/02/2024, 05:45

General

  • Target

    http://edgedl.me.gvt1.com/edgedl/release2/chrome/ac3jvtnqjeymtphmax4jaju64coq_121.0.6167.185/121.0.6167.185_121.0.6167.161_chrome_updater.exe

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 42 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://edgedl.me.gvt1.com/edgedl/release2/chrome/ac3jvtnqjeymtphmax4jaju64coq_121.0.6167.185/121.0.6167.185_121.0.6167.161_chrome_updater.exe
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3096
    • 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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa62da9758,0x7ffa62da9768,0x7ffa62da9778
      2⤵
        PID:1848
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1984 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
        2⤵
          PID:208
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2236 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
          2⤵
            PID:3404
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1700 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:2
            2⤵
              PID:1716
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2868 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:1
              2⤵
                PID:2884
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2876 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:1
                2⤵
                  PID:4800
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5068 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                  2⤵
                    PID:1432
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5020 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                    2⤵
                      PID:1344
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                      2⤵
                        PID:4620
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5320 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                        2⤵
                          PID:1960
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3632 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                          2⤵
                            PID:1720
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5660 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                            2⤵
                              PID:1756
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5672 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                              2⤵
                                PID:4960
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5320 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:8
                                2⤵
                                  PID:2732
                                • C:\Users\Admin\Downloads\121.0.6167.185_121.0.6167.161_chrome_updater.exe
                                  "C:\Users\Admin\Downloads\121.0.6167.185_121.0.6167.161_chrome_updater.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:3692
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --mojo-platform-channel-handle=5112 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:1
                                  2⤵
                                    PID:976
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --mojo-platform-channel-handle=5240 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:1
                                    2⤵
                                      PID:1228
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=972 --field-trial-handle=1988,i,9535104545125508538,734193375034722635,131072 /prefetch:2
                                      2⤵
                                        PID:1264
                                    • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                                      "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                                      1⤵
                                        PID:3500
                                      • C:\Windows\System32\rundll32.exe
                                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                        1⤵
                                          PID:2692
                                        • C:\Users\Admin\Downloads\121.0.6167.185_121.0.6167.161_chrome_updater.exe
                                          "C:\Users\Admin\Downloads\121.0.6167.185_121.0.6167.161_chrome_updater.exe"
                                          1⤵
                                          • Executes dropped EXE
                                          PID:1400

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                          Filesize

                                          823B

                                          MD5

                                          4d73da6b663916bd88d2817ec7788fc8

                                          SHA1

                                          f302e9b9939a318b29384683dc977fe38b3d73c1

                                          SHA256

                                          e8750cbdcf53bd54cbac6488c3d37bc706cbbd57a9e874ffa953e75e0fb83f0f

                                          SHA512

                                          514effe16341edb19027688c09815ae021640e4a08785aacb94f5dd74c90a8e05c3600f3159328c806d184aa24f133bf0659ee53f4b27e33807e20f95519e951

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                          Filesize

                                          6KB

                                          MD5

                                          be6d817fca00c8d2c6515148df37bf80

                                          SHA1

                                          b39b26d6bcff088ec1f606faadc3b8eaa82950b1

                                          SHA256

                                          9c9bf92825264ceeaa9987e2b28fcdd2e780bb4ce383ce8024588c67a55af0f8

                                          SHA512

                                          367ed20d6ae3bd5cb31b8a3ed0094a43a3764c53da73eac0c9d928a37707a3e2758ef8d64c5503f03458dd7205804f7f9ef2928461ce1f44113014ec125a9903

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                          Filesize

                                          114KB

                                          MD5

                                          466b86d87a267ddfa03d665ff2da7fa1

                                          SHA1

                                          c2623193178792bc395d850214a29b9eda042b73

                                          SHA256

                                          d80ef2f0a1b599fa536ac614efa814e55381d0347a4fd9e86060652fb3bc4618

                                          SHA512

                                          86b4042651d0a33ef61e063de113d3eea73c05fdc8ab0854d2344d2ba30c70bf15909dbd03dcc95f06fa4a933071ecefae59a8c1d8afe33d19e839043f7dcd58

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                          Filesize

                                          114KB

                                          MD5

                                          6c8008afb8229060a221e00e165e2977

                                          SHA1

                                          ca0c36517257371d18be76ef9bf34129b3752d27

                                          SHA256

                                          b33beb65b46fec064602ded3399b095ad56266ff5ff20bbb7e8edcf14c165717

                                          SHA512

                                          c8f93e02d4f39d75e9927640b63f4dec95c1995eece56ffc477bf05bcaf956a4553e85a0ae857facd924accf8fe18f38e54113b5c50d7b6b4f511e77da8f5257

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                          Filesize

                                          2B

                                          MD5

                                          99914b932bd37a50b983c5e7c90ae93b

                                          SHA1

                                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                          SHA256

                                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                          SHA512

                                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                                        • C:\Users\Admin\Downloads\121.0.6167.185_121.0.6167.161_chrome_updater.exe

                                          Filesize

                                          3.8MB

                                          MD5

                                          e8fe448b31d5791ec6288967ce6a3e8c

                                          SHA1

                                          0f98e1e4630bb9e474351b24cc4f0d3029f1dc26

                                          SHA256

                                          d552bed9f54a154aac8bc1b2592ae7d749bf77fde87b31fd7d3cc7918d835e56

                                          SHA512

                                          71a323cb5ceaa5823fee1cc3f7099c48c6c60b4db291f4eef18a474907360adc744ec93af78e1a66832e5a375650b7d460b7034abfe138dc0a6e474cb09c6b62