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Analysis

  • max time kernel
    71s
  • max time network
    73s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2023, 08:46

General

  • Target

    https://link-center.net/368238/comet-installer-download

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 36 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://link-center.net/368238/comet-installer-download
    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:1948
    • 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,0x100,0x104,0xb4,0x108,0x7fff255d9758,0x7fff255d9768,0x7fff255d9778
      2⤵
        PID:2240
      • 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=1804 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:2
        2⤵
          PID:232
        • 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=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
          2⤵
            PID:4696
          • 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=1296 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
            2⤵
              PID:4880
            • 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=3108 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
              2⤵
                PID:3076
              • 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=3116 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
                2⤵
                  PID:1464
                • 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=4672 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
                  2⤵
                    PID:4196
                  • 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=4760 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
                    2⤵
                      PID:2304
                    • 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=5092 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
                      2⤵
                        PID:3672
                      • 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=5780 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                        2⤵
                          PID:3964
                        • 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=5572 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                          2⤵
                            PID:3656
                          • 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=12 --mojo-platform-channel-handle=5820 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
                            2⤵
                              PID:4032
                            • 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=13 --mojo-platform-channel-handle=5828 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
                              2⤵
                                PID:1528
                              • 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=14 --mojo-platform-channel-handle=5720 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:1
                                2⤵
                                  PID:4796
                                • 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=6048 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                                  2⤵
                                    PID:3912
                                  • 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=6032 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                                    2⤵
                                      PID:1880
                                    • 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=6004 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                                      2⤵
                                        PID:2720
                                      • 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=5244 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                                        2⤵
                                          PID:784
                                        • 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=5048 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                                          2⤵
                                            PID:3448
                                          • 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=6308 --field-trial-handle=1784,i,16724213874534284191,4144147205304694127,131072 /prefetch:8
                                            2⤵
                                              PID:980
                                          • 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:4648

                                            Network

                                            MITRE ATT&CK Enterprise v6

                                            Replay Monitor

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                                            Downloads

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_00000d

                                              Filesize

                                              48KB

                                              MD5

                                              ec5d553ed1c592ef6c64daaa94194358

                                              SHA1

                                              647f0de2ba6b511ceab755fbfb84a0cdf5d0ac6e

                                              SHA256

                                              47825a900e347c3ebe2ed17dba529d293ca8a3016faaad7ac8b3850df2fcf9f0

                                              SHA512

                                              2bd6127cb4ac72949bd136cd47b9646533e9bf224846a5cf7f3390d22b2d4c16873d12d6079e333e62a74c5e163842547cea631e12e7dd610cbfb39c908f999c

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000019

                                              Filesize

                                              162KB

                                              MD5

                                              475f3b2f4b6829f089f959d8291c69ab

                                              SHA1

                                              10cfe4b0bad5e7fc4c1bd4c4f79f9cc32ed93c99

                                              SHA256

                                              4f40a7d3b7ddf8e77c9b9556b37cdbc062bda1e20757b4c709adcd3ee624b219

                                              SHA512

                                              fb2b2fb4b86dac393e35c42e66e327af699fa1c6baefdeb4ce9f95298990faed0ad556475d16ba6ad31868412f6179d996cff7c15329f4ef92778be592e9d712

                                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000020

                                              Filesize

                                              268KB

                                              MD5

                                              8c1a7e38b7e7eb7fffa6b63f19f5278d

                                              SHA1

                                              9ae939b06f3827fcbcbb59fc220ef284995cf7e8

                                              SHA256

                                              2e6d4dc9cebd2af2b983d8cf1fee4816ffc91db13729155cfeb46c0644063f27

                                              SHA512

                                              e63db8e911f23cd135c3d4cfb479b057217b812dacc3aea9b71e1d83f5aac425274d84b359ef1bf16f9ced53387380e76bd8d4a97d165004dcc788295a40db81

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

                                              Filesize

                                              720B

                                              MD5

                                              b829cfba58132dc119363d56a5b44e75

                                              SHA1

                                              561d0cdcf749cd27c1642c6f9b0be328d562fc16

                                              SHA256

                                              e923147d41c9ba535976e62e14134199d18e67ddac3d52cd98eeee40d5482902

                                              SHA512

                                              53b8806f7e7e8128102b5e42d4525a071bf47a9f00e3c2eacc9250145cb4523c8214d1c0af68fe0adeafe568e3fdfd282739a8b9ebd6b0958c3c18b20f680516

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

                                              Filesize

                                              1KB

                                              MD5

                                              a7038c3b3cb7ce20be19f11abb2c0278

                                              SHA1

                                              8a928225cfe44352efd1142c26944a0c7830bca6

                                              SHA256

                                              3fb56c99c817d46f87c3ffda52b4743a9f44aca17e5e6807b8604c4455ffb2f4

                                              SHA512

                                              23ee37189176b2ee230339a6319a397fa719428adc9c493885a797859e93df61837adffa4c51bb46f0d1e27449070fc20a8555eea58dd8dce0573daaa0fd959b

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

                                              Filesize

                                              4KB

                                              MD5

                                              9064d0a8cf79cb3eea4c39aec022c868

                                              SHA1

                                              717e05697993794357590867c064fdce88218b4a

                                              SHA256

                                              033f95f545559fd191541a2ba0e4a7e27184ec97a54ef147f1011d5cb0a28f2a

                                              SHA512

                                              dcfe67054dd3719090457b9f610bad1a5392b936e2a4d954f28aa279806fe4fc4d95fa78359419e4ec8887151ff26333b382d8e7d0740e8c2a359c59af8192d4

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

                                              Filesize

                                              4KB

                                              MD5

                                              014d2572efe0c8898cfd759ae97b0984

                                              SHA1

                                              a76a2f8409eeed76702cf3c8958d4dd8a624695a

                                              SHA256

                                              cbb36387b529dd1ee80a05eff1963c96d353ee1610e74861aba52d09e391269a

                                              SHA512

                                              8e519ef785e91e9fdeb01e1e21866cb6c3faa011d037329e9c175003db4178ce8d55f60a6cb2adc94eafd5792758625fb32883ae8ccb5c70456777f0145debfb

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

                                              Filesize

                                              4KB

                                              MD5

                                              209db60338fa27e628b9e08e7b80f574

                                              SHA1

                                              afbf4a80ba3a9fb917e0db6c8d01fa5b57edac97

                                              SHA256

                                              e001dce950fa62cd061852a2260fac0b7d9452ef8901def05d64110032b7c629

                                              SHA512

                                              53382a210573ed21d07a72bece8a6f154abd60d11f074e3771471cf84411cc50c73f1299e40d7b35e1ddeba1bbe78073689f5cdc21dd1e69f85a4d9da273357b

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

                                              Filesize

                                              4KB

                                              MD5

                                              0e0f7220867bec9dac4c2ca368e1d67c

                                              SHA1

                                              e516938a56fbdfe1930dc021d4f82fc4d83c6732

                                              SHA256

                                              538e5433635c45d878fe09203101efaa782b869e5f8a3439e0d290bcc6de81ad

                                              SHA512

                                              10323e0bc7d389d75d63302e5afbc6c2f5b9c7c9dac1ce2eb98190d3b630cc0b8b32156a2a172a0824e789971c8b95cc45ed75aabd83b914e951ffe64a179597

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

                                              Filesize

                                              150KB

                                              MD5

                                              2007fcfc4044d4a06505faf9cc601f5e

                                              SHA1

                                              2e77d8869d35e7a1c8c8e126cce214a4202bf18e

                                              SHA256

                                              5cbd7fcdcadd11b4df60a20d20e5c63b04c479e0e26c843d36eb6e0e3cc30e17

                                              SHA512

                                              ec583e24fc3eeac3915372c9e18e6aafc90027d39a6b4d883d25744578c6564d046d7728d1beb8c330c5b97569a341a6790079fdfefe4edddf92480ff7f37696

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

                                              Filesize

                                              150KB

                                              MD5

                                              c234f4595823c6743cca17d49de55e75

                                              SHA1

                                              4fe8a7149ca4180fa1e069b21d683b5f93e8529b

                                              SHA256

                                              70fd3ff06a9d92f782904e21d0922023090f8711406e5fb941d1c401ff41df3e

                                              SHA512

                                              b57bef64456cef6dfcb30286617b10419d920b4b7410650bfcae6af43dff88221ac42432e6e8b0cedf63d98f4fd9ed8ce033e86735b8948bb639ad5a46a8c9b2

                                            • C:\Users\Admin\Downloads\Comet_Updating_System_.exe

                                              Filesize

                                              5.4MB

                                              MD5

                                              3af28045c30322f0a1e11d2cd006a8d7

                                              SHA1

                                              8d999c661ff4d33b1f03b55fffffcdef290fa332

                                              SHA256

                                              3ef004ceea434163d88ae5e29be7e6319747256ec39130c4dcc96dcf3f46657f

                                              SHA512

                                              5d8d789cc7fc4408e8888c172c310d383e63865750e20826efed0dce08baf66d98003efe3a438cd88948e4eed712d0e7dcf5258b131d8c873e7afc1c4958d53b