Analysis

  • max time kernel
    44s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 01:46

General

  • Target

    RobloxPlayerInstaller.exe

  • Size

    4.5MB

  • MD5

    c9c89a5180728704d9fc8b10fcfa5124

  • SHA1

    6eb7edac4c879645641394eb20db3cf707019b47

  • SHA256

    0e774f8533566b6221fdd374f4f6f30551f4e6aeb4848521445d15158f029855

  • SHA512

    98fbac35cbfff889ffb7a9b26684aee196237a54a9548285c233c2abf0a6a1f7588eb28d166a3a32e103f974418a7e75477cc699e5f0c8e3e290916b44ffc220

  • SSDEEP

    98304:Smvn+iSkszLaY6ZZBrKv0Log5yGj06VuXJ+2npsbLfNzt:P+iBsGZ7KngtE+YK3fdt

Score
6/10

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxPlayerInstaller.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:2656
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2928
    • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6e19758,0x7fef6e19768,0x7fef6e19778
      2⤵
        PID:1460
      • 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=1184 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:2
        2⤵
          PID:884
        • 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=1536 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:8
          2⤵
            PID:1264
          • 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=1632 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:8
            2⤵
              PID:1700
            • 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=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2240 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:1
              2⤵
                PID:676
              • 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=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2260 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:1
                2⤵
                  PID:1056
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1388 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:2
                  2⤵
                    PID:892
                  • 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=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1296 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:1
                    2⤵
                      PID:2012
                    • 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=3276 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:8
                      2⤵
                        PID:2984
                      • 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=3548 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:8
                        2⤵
                          PID:2244
                        • 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=3180 --field-trial-handle=1404,i,12623176525049072089,10014175871515712008,131072 /prefetch:8
                          2⤵
                            PID:2732
                        • 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:1788

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\749f8472-5439-4c17-95d8-6acdf5705fcc.tmp

                            Filesize

                            282KB

                            MD5

                            88cfd7ebba0baedb262647cd01c170bb

                            SHA1

                            d34a20afb01e63f78ddc429cb4bd5a29008ec10b

                            SHA256

                            8a04cc82f4753901fdb5747ee5eb5480a5835359df142268608da0eba66a6cda

                            SHA512

                            55963e2ef310feabeaf65b60365d12dc684afc3f28b28d4d424c3f75f5fbe5e504ef3ad67a951cefaf2d7e17a5eefd04f9ed1ff8c1320320debe6714ecfffe6b

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                            Filesize

                            16B

                            MD5

                            aefd77f47fb84fae5ea194496b44c67a

                            SHA1

                            dcfbb6a5b8d05662c4858664f81693bb7f803b82

                            SHA256

                            4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                            SHA512

                            b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp

                            Filesize

                            16B

                            MD5

                            18e723571b00fb1694a3bad6c78e4054

                            SHA1

                            afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                            SHA256

                            8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                            SHA512

                            43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

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

                            Filesize

                            140KB

                            MD5

                            8393557f3c04f57ff7123efa1c1c8591

                            SHA1

                            b523c5c4e97c948aaf32931d629c4e26c040f107

                            SHA256

                            349caf1211bbeea61051d47e9cdd55c101db9a181326c0b9007e45bacb1b68e7

                            SHA512

                            ec7ef6cd58003200e67c944397cc18a0f62c558d57661a39d6a36f22ff611718930f7efd825361a9ee372cb49381cc995e1a25426de52e189789279dfaf46698

                          • \Program Files (x86)\Roblox\Versions\RobloxStudioInstaller.exe

                            Filesize

                            5.3MB

                            MD5

                            0469bb703f1233c733ba4e8cb45afda2

                            SHA1

                            a07afd7ecf1d0b740b0e2eddfcde79dcf6e1767f

                            SHA256

                            00314da401908da37ebfe9b642506cab81a4467c092719fcf007be045bc4a9e0

                            SHA512

                            342c9629e705eb78c7bd52b3efe4a92b6a8bece9933956390450600635e4c0511ca96ccaa25e6920e9d25ccdf444dabfea7b09f8fbcba2f371655f87633b6d67