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Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    29/03/2023, 20:23

General

  • Target

    http://starrez.screenconnect.com

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 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" http://starrez.screenconnect.com
    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:4160
    • 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=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffee4459758,0x7ffee4459768,0x7ffee4459778
      2⤵
        PID:3672
      • 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=1564 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:2
        2⤵
          PID:4212
        • 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=2024 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:8
          2⤵
            PID:4232
          • 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=2020 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:8
            2⤵
              PID:2052
            • 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=2736 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:1
              2⤵
                PID:2840
              • 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=2752 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:1
                2⤵
                  PID:4360
                • 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=4384 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:1
                  2⤵
                    PID:4452
                  • 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=4540 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:1
                    2⤵
                      PID:5068
                    • 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=5364 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:8
                      2⤵
                        PID:4920
                      • 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=5044 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:8
                        2⤵
                          PID:4872
                        • 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=5096 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:8
                          2⤵
                            PID:3120
                          • 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=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.15063.0 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2092 --field-trial-handle=1676,i,9197649835024318598,1079808020543453135,131072 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3484
                        • 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:4496

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\245e6009-f8b3-4b7d-8132-bb712a0e0efc.tmp

                            Filesize

                            6KB

                            MD5

                            6904ae15cd866f1a17136916ba3ce001

                            SHA1

                            b0f915cbbe9c0fe6a0e9e74bf9d0262dcc215f32

                            SHA256

                            63cad8b1ca3c064cd60310a608d54d221daeaaeeb9e9671452b3ca0ff2caaa1d

                            SHA512

                            49d839a50515b8289ac075c0eceb93c9ac1f83912188ff7f2a220cc521158341fc7f95cbf7d84068dcf1aa804315c3c6b56a759530a23e64871aca971ea0d590

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

                            Filesize

                            384B

                            MD5

                            cd1a5facbc424ac33930d9592ca62ff8

                            SHA1

                            a3f930db496779b74a6afdd302f77706ddf84278

                            SHA256

                            0a72a225d66ffdb5c2cc814e3d88a74189451c40142b1c696b83f7dc186dc94c

                            SHA512

                            f6c25857a36b436384080bdc9ad6b70d5f6bf93bf58b69c43e79dacf852211459afc9788bbf1fd35dfaf9bd88fbd03ac49f52cc8c3184c87b32a31e031f1f2dd

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

                            Filesize

                            1KB

                            MD5

                            55b3d891695840aef8650784db018162

                            SHA1

                            b5c13a5a5eb7e4467bd396ba8176567268c70360

                            SHA256

                            294e9c37c03f00bc6abcb22f9a75f54066118929c86a6aa53d7d4c4c20bd1b74

                            SHA512

                            6e4e924315aa1d123e02b1b7566679cda521cd0e5e9c2970955c873673068b54cbb9cb297baf590784aa27c113ca69ddad70128b378c9472027bbf7c5b9881ac

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

                            Filesize

                            1KB

                            MD5

                            d4dc3a8b8c8b821221d084dad5d280d9

                            SHA1

                            0ad97b894bd5753941165bd434b77f2ce56120dc

                            SHA256

                            c073b3072afdfa548a2b4ec1dd98e94849870f0c50be58b8b525a78296a8def5

                            SHA512

                            d5340f27ffa27cbf3200dbb58b36102fb1cb26076e9e9d8d50bcc6d887981e17c2fa6f8ac6f203e938a4b0ad4736c37587cd5bf33a1aad95456c4713f24fd083

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

                            Filesize

                            1KB

                            MD5

                            e505f53fac065270e83fecd2e81f012f

                            SHA1

                            3bb28f16e368b2e02848a0e7625c8dacc4f3cc38

                            SHA256

                            56a1f9b264a08dc42d2dfb9288c1a9d431b0d7f4d6f2a99ede2d55604ce0e19d

                            SHA512

                            e04dc29cdf83ef9662cc4eaa5a2f3150615bc257c92c46098b88f1c0bf781c5e975ea2e3cf4bbaf5fc40aa5690f92b2098c6d13081660fb7755c1789c5790fab

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

                            Filesize

                            1KB

                            MD5

                            0a5ce3005d88f7eaed5c34f73d008e39

                            SHA1

                            a7bd537b484d7e772639dfd0c778f2383396aeba

                            SHA256

                            3e843b2011074526e91b1d0be70ec37402f86b04b43704f8e0d8e3c1afd1d45b

                            SHA512

                            3bca1d6e4b6f77e434d4d74e980a112c42be5b6bab9780f2c4b5b655a44818bb936b5efae3be984e093c90b79800f16112e3da860bb5e7ec378eb15d69b728ba

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

                            Filesize

                            1KB

                            MD5

                            7d6af91d95db64fd16c44d7869761f37

                            SHA1

                            dcb38e23629d56bfc0f706610b92d113ec16f4b1

                            SHA256

                            58e9f600553d9cb7b314a3dbefe43068a35e6b94b680fd7e2d08c8f96b5cd5cc

                            SHA512

                            0f984b3f2ae5824c8dfed9040562576f90622697096f281293d9587380844595d704f45203eda5f6138d740bb4034a4d46069bbb9a9a51a358cab38db199b5ff

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

                            Filesize

                            5KB

                            MD5

                            62f69a44654c1ad8bc84ee8b355624e1

                            SHA1

                            355b1fdd64982e67ab8fa122c89ef8c3974da018

                            SHA256

                            87bb12d28647fd8afff380b17dd8f9136fb492e963d49cbd34951d51108e04e1

                            SHA512

                            660eef1b2caac26cb24c06f0baa1f56476e898a104ea813c5d1e1e0d42a2321d6f4a70d754b2a9cb146585c69780ff1fbfdcd1e0af75dba2dc172ebc9ddf3dc4

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

                            Filesize

                            5KB

                            MD5

                            aedfca501314481e0d5a5325b77037a6

                            SHA1

                            9143f203a122cb1991b3c568df18fd0b86e12b59

                            SHA256

                            2679da6b33cdff172ec398ae34c6fad087ab2d7371ae15f315ee370a345f4103

                            SHA512

                            f48a945ac963d1c3a19a27553d54ba0f301c80ff09854c6a40a415893eff82e1b5ceec57f5714c0e501102f7e26ead8783181a9210b22edd3dae6f68ca32c7fc

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

                            Filesize

                            12KB

                            MD5

                            95a18ca1de3033bd41ac0a589c80d66b

                            SHA1

                            a29f832397d2b22e0fa977325694fc5d29c669e2

                            SHA256

                            b6fb48700c98392a626039a82f2cb2746ea598f0b9400cab8789ceb965a803ef

                            SHA512

                            8381a585fa035369d5ee0d2ec554dc802270aceed5f9afd6f72274188659a5f21e1ae43b5ba68b58c6399141ee42ce08e8ca79366a8d7b7901ec41111090f03a

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

                            Filesize

                            145KB

                            MD5

                            a6a6e48b5e11481eaab92074dfedcea9

                            SHA1

                            1cffa1d19c795dfe3d4d70798a2569ac06191aff

                            SHA256

                            da5ae31968026a9c921a811989d9cf84626a8fdf05dd1ba91e5dd039a080c625

                            SHA512

                            9f4e0d38276eca91a6e3b9952b2f7fb4b18d4222dfc345ad76d7eba92fb24dc90037d4fb4a3e1ff23da78305f6c8aa5fa29e8c91cead1e82fee258d91c4d92ff

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

                            Filesize

                            2B

                            MD5

                            99914b932bd37a50b983c5e7c90ae93b

                            SHA1

                            bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                            SHA256

                            44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                            SHA512

                            27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd