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Analysis

  • max time kernel
    300s
  • max time network
    274s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2024, 23:27

General

  • Target

    https://go.microsoft.com/fwlink/?LinkId=521839

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 2 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://go.microsoft.com/fwlink/?LinkId=521839
    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:3716
    • 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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff91425ab58,0x7ff91425ab68,0x7ff91425ab78
      2⤵
        PID:5004
      • 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=1664 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:2
        2⤵
          PID:4936
        • 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=2152 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:8
          2⤵
            PID:1764
          • 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=service --mojo-platform-channel-handle=2220 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:8
            2⤵
              PID:4216
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --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=2940 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:1
              2⤵
                PID:4648
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2948 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:1
                2⤵
                  PID:2604
                • 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=4344 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:8
                  2⤵
                    PID:4628
                  • 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=4492 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:8
                    2⤵
                      PID:644
                    • 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=1816 --field-trial-handle=1676,i,16963048233516457535,15453059581197473360,131072 /prefetch:2
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:3460
                  • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                    1⤵
                      PID:444

                    Network

                    MITRE ATT&CK Enterprise v15

                    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

                      144B

                      MD5

                      0e108fdfc44a8eee08d74edc5a98178d

                      SHA1

                      c796a25e4e5828b4adaaf8a40fe2c9d82a2fa2ff

                      SHA256

                      113600da68c8a351e0928f7e992a41cb929ca2ed27ceb871aa41bcd13436d736

                      SHA512

                      ea550eb975653860fd00e75064497e052be10b407ef6e950808230c43c67f0ed52a3985ca0cf44672a7abdb2080dc1947345821f529776220b358eece146441b

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

                      Filesize

                      2KB

                      MD5

                      f8f1b49bce6cda8fbe21a50bf05cad77

                      SHA1

                      04340cbf3aef9fbfc59677fb988e92a1900dc2a2

                      SHA256

                      fdb8d104ebc6132b6e8c441771ba64b4c0107560773003c388fb7a58459e31b9

                      SHA512

                      ac08fbe081c52702784dff90e7dcb48658333b574fd07d9921b5e546257faf16ef5d20cb3c575c5b3e05d121c95fbfbe84c6ad7e1a1e6fdebac9a9888a9381b9

                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                      Filesize

                      2B

                      MD5

                      d751713988987e9331980363e24189ce

                      SHA1

                      97d170e1550eee4afc0af065b78cda302a97674c

                      SHA256

                      4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                      SHA512

                      b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                      Filesize

                      859B

                      MD5

                      ffe3a220e30e14336a71d6e4d7129f22

                      SHA1

                      5554b80e8e2b1a5b415800da5aab55a8b7693df2

                      SHA256

                      aca5f1c713f2dfdcdc021c8d79f51833f3447e121b339160cedd243a50c0e243

                      SHA512

                      625fb2faf08a2eaf93aef604d6ab77e315194770645736f8372f5cf673e1a1fcbe1c1f956f618396e0f3adc8b89f5b93048c8db1f4ba0e100702b6238a5aaa2c

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

                      Filesize

                      7KB

                      MD5

                      166d80a6e592065ad88fb0a96c31c1b1

                      SHA1

                      c54c0e4f63447addeb0bf4df96ec19b54185d9ee

                      SHA256

                      7e4f4e1302caf4f113e4ef79bc911e08c95208b1de24c4f847b7c0144f6c40f5

                      SHA512

                      007b20527cd899d6cf9290fea260ac880d826e31034bb62705515f1613db38b43f48bfd6a2e852f8785aa1da8bd88f600fd1576b9aa8ce75a87970c05a86ff87

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

                      Filesize

                      127KB

                      MD5

                      ddcf54af9b34a5976fbf1cc2b018dcac

                      SHA1

                      abb33dcb21331fe5ac33317a1fe09b881f874144

                      SHA256

                      9458b47a9705a70dc266a4bc9cb0f0e59270c93359e9c9e432705d1c7ca0b171

                      SHA512

                      47be265a04f97fab7962e2e8845049128d5fe1721b222df74d443d301fa9956dd7632a658cf7db3c14d11d92742c3b2bd1cef7d0cfbb68103908213f51e77827