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Analysis

  • max time kernel
    60s
  • max time network
    63s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/03/2023, 23:13

General

  • Target

    https://skmedix.pl/downloads

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://skmedix.pl/downloads
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1168
    • 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,0x100,0x104,0xd8,0x108,0x7ff871549758,0x7ff871549768,0x7ff871549778
      2⤵
        PID:1052
      • 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=1812 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:2
        2⤵
          PID:3640
        • 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=2168 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:8
          2⤵
            PID:2148
          • 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=2252 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:8
            2⤵
              PID:232
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3220 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:1
              2⤵
                PID:2644
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3224 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:1
                2⤵
                  PID:2464
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4628 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:1
                  2⤵
                    PID:3308
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=5136 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:1
                    2⤵
                      PID:2876
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=5312 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:1
                      2⤵
                        PID:2660
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=5320 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:1
                        2⤵
                          PID:992
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=5060 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:1
                          2⤵
                            PID:4980
                          • 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=6048 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:8
                            2⤵
                              PID:3788
                            • 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6088 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:8
                              2⤵
                                PID:4824
                              • 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=5468 --field-trial-handle=1824,i,12245224250442632620,17789174359542219044,131072 /prefetch:8
                                2⤵
                                  PID:656
                              • 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:2816

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                                  Filesize

                                  648B

                                  MD5

                                  be07748626f61b1bbd19b7baaf9e0f7b

                                  SHA1

                                  15213cb2a242702247d3e9215ff82f0e57dfec9c

                                  SHA256

                                  ff628cfa3db7f04d39390f285cace2f69f7809d41e50576e9eb534493ffe214d

                                  SHA512

                                  4ed9dea516f8dd6d353d37be2db82b9e74d92c716c1ee368ad04628dd1064fc3e0a4dbc6182484f637a00193ecd45803360a9bee5ef0cc62b5f7e12eeb8c435a

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

                                  Filesize

                                  706B

                                  MD5

                                  71e9b7ce11c0c2249630abd7889c9e67

                                  SHA1

                                  6415fe531957d6639bfb2ddbf03736bb9124e486

                                  SHA256

                                  a4aa23026221dae9bb3955d15e432a419fdc73e32d88b4d83e33c19e3903adc6

                                  SHA512

                                  e50bf37927aa7a5a47eec0a599c108418c94335546471f356e51c27b0ba7f60079485d02ae564a314dc8a0452ae8f312fed8d005a73dd3430e961274788b4a7b

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

                                  Filesize

                                  6KB

                                  MD5

                                  1b6a0f2884ab02860a33f36658c1f796

                                  SHA1

                                  80330297e50b9e02fead8ecfee84f16687c9b58f

                                  SHA256

                                  0a3d81bfe6ed97ea7919a03e81ac055ff37666901bf50775a888261ec787b144

                                  SHA512

                                  ef2a51089ed470d42ad8af5b987e6d80d4f858c96298fc1c594fc6186b5cebbc1a6c5bb7c31b1e2a13735ac292037aae22e5ad589c5ffc027f9531bb29e4f6c8

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

                                  Filesize

                                  6KB

                                  MD5

                                  00a7fc2a137600df882e705d31092c06

                                  SHA1

                                  05337201ab24f019fecd4c4b40fdb786e7f9cf5a

                                  SHA256

                                  9fecbde084b45ac51bb71ef34613353a5b4048ee633888ea1ace982731b1b322

                                  SHA512

                                  cc30d18e023b22c81682dfe6a6adc22a5f2f40484b0d59f1a13c4301925b96aac59cd64a8c5be95b2ed501dee8d97d1217980efb1ef147d1533985617456e8ff

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

                                  Filesize

                                  15KB

                                  MD5

                                  fa5128203c1869001a6a1f438f172f09

                                  SHA1

                                  61a56d4f3b905a40724840a30de6a505dfc0b8fe

                                  SHA256

                                  850b61d19f016fa1636bb37513beef14a4eb2cb1736a56419d37ef6ca72626a8

                                  SHA512

                                  9df6a4265d70f502be6ac4d9de3e0ce5b0505484559361c3fd95183d614cca138bf449b5f83c279e2e21bcaaf4cca0f45478003f395ba1809301c9ccc49f5327

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

                                  Filesize

                                  144KB

                                  MD5

                                  037d8357d8b5b45c138f9c4e5a9ecd53

                                  SHA1

                                  290d78025e724d3fcabb4e8a9d67b062a12a9482

                                  SHA256

                                  c5f197774f1aa8d9b8800cdeb886061a5bb7f6396c563bbe6e85b3b5448f7af1

                                  SHA512

                                  4cf216462a5fa709d2444374c24eafcf1973ba22ed131ea13cb3432217d38142fcf4e31d01f9213724b54951bc9e7ffdcb2ccc25525d3c0d629d77f2789a0681

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

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd