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Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/06/2024, 12:18

General

  • Target

    readme.html

  • Size

    35KB

  • MD5

    66b83405551dd77e91c362ab29bdf36d

  • SHA1

    08db7a053b9b3251c4575c534250134e55110fd9

  • SHA256

    6da4f3714b64714b4be155c760879287cfb2b49edbe98fdfe30443c616bcb4de

  • SHA512

    e009f40db9e1282ceab53d5a33f8566063ba8bd779ab026142f951d8daacde5c357d105a3767f7acd887a510017aa6b99ad9d844ba85d09284f7b6207b337ab6

  • SSDEEP

    192:CGX9DuOjlVDwR92DQ2n+iomWyhby+urM0zIab6j14JSXyHzF0yR3NUxEw:C2vhVUX4Q2nNLg+GM0UA6j14CE0ydsEw

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 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\readme.html
    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:2316
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ff8fd65ab58,0x7ff8fd65ab68,0x7ff8fd65ab78
      2⤵
        PID:1424
      • 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=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:2
        2⤵
          PID:1804
        • 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=2076 --field-trial-handle=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:8
          2⤵
            PID:4424
          • 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=2148 --field-trial-handle=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:8
            2⤵
              PID:1492
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3024 --field-trial-handle=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:1
              2⤵
                PID:3484
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3048 --field-trial-handle=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:1
                2⤵
                  PID:4708
                • 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=4300 --field-trial-handle=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:8
                  2⤵
                    PID:4464
                  • 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=4428 --field-trial-handle=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:8
                    2⤵
                      PID:1256
                    • 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=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2392 --field-trial-handle=1816,i,5774718967528886847,7050441472123485859,131072 /prefetch:2
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2056
                  • 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:3116

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • 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\Preferences

                      Filesize

                      6KB

                      MD5

                      ad8cb670c53f3facd4787e615d2f3ac0

                      SHA1

                      33f90ac3b11ac5ad7e6c4a742248128d0a101d2b

                      SHA256

                      30be879e808a8473510eba2c87120d57d9351890167670f423204a49dd8f3aee

                      SHA512

                      22684d2caa0ce93aba839cf2ebdd0a82aff5af2c467f3a66de66db8f740f86678c4c938907cae2fae9bae2a1e5fb46003fd14f1753b8eb88be153eed55bc0a21

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

                      Filesize

                      138KB

                      MD5

                      dab0c591aa188070366d4f66ef846932

                      SHA1

                      92695e8cb758b745d72a81dfa5f4a488d1b59bdd

                      SHA256

                      d5140c5f49f7232e15b7cb1c7768039510c216cd896427d5942d269c7d2bcd8e

                      SHA512

                      c42fe9ddfaf852cb4e3ad4a3af3fe33b28afb2f2207dd9a87731ad95e418bead6699beeda4085ecdc263254e900e613d7e45d3ba891195496801895a585e86a3