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Resubmissions

03/09/2024, 02:27

240903-cxwsxavbrj 8

03/09/2024, 02:23

240903-cvjqkawcka 8

03/09/2024, 02:22

240903-ctyhbswbrg 6

03/09/2024, 02:10

240903-clxk3athln 8

Analysis

  • max time kernel
    36s
  • max time network
    37s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/09/2024, 02:22

General

  • Target

    RobloxStudioInstaller.exe

  • Size

    5.5MB

  • MD5

    24bcceca8b115ff5d0060b2d9def17c6

  • SHA1

    a06ba5c1f6d64c9a95627c4b2291806d2b5cd300

  • SHA256

    c91803f5c89cc6b4c649f1a6dc85901208a0cf83cbe5d44c4e4800cc0e3b8fde

  • SHA512

    d0d5163a972860ae532d8d0f29d97a1a74796b94aec00d112e30efabc1139b1bb97c892afe7f3a69ef1323aa387a71ae006749e91f374ee93b465586ed6a913d

  • SSDEEP

    98304:GylvpWmVc0qvvtCfSp1SeBg+zTqltWRBfKpph6Ubhh/a/:LpWachtCmpg+CWR4ppkUw

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxStudioInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxStudioInstaller.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:2992
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Drops file in Windows directory
    • 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:3424
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffed180cc40,0x7ffed180cc4c,0x7ffed180cc58
      2⤵
        PID:4948
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1852,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=1848 /prefetch:2
        2⤵
          PID:3908
        • 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 --no-appcompat-clear --field-trial-handle=2096,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2100 /prefetch:3
          2⤵
            PID:4592
          • 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 --no-appcompat-clear --field-trial-handle=2188,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=2204 /prefetch:8
            2⤵
              PID:484
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3088,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3132 /prefetch:1
              2⤵
                PID:2536
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3136,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=3324 /prefetch:1
                2⤵
                  PID:3420
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4076,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4084 /prefetch:1
                  2⤵
                    PID:1728
                  • 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 --no-appcompat-clear --field-trial-handle=4564,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4804 /prefetch:8
                    2⤵
                      PID:1492
                    • 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 --no-appcompat-clear --field-trial-handle=4904,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4688 /prefetch:8
                      2⤵
                        PID:4836
                      • 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 --no-appcompat-clear --field-trial-handle=4700,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4664 /prefetch:8
                        2⤵
                          PID:4780
                        • C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe
                          "C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe" --reenable-autoupdates --system-level
                          2⤵
                          • Drops file in Windows directory
                          PID:1040
                          • C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe
                            "C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\SystemTemp\Crashpad --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0x250,0x254,0x258,0x230,0x25c,0x7ff762a54698,0x7ff762a546a4,0x7ff762a546b0
                            3⤵
                            • Drops file in Windows directory
                            PID:864
                        • 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 --no-appcompat-clear --field-trial-handle=5020,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4576 /prefetch:8
                          2⤵
                            PID:2908
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --field-trial-handle=4600,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=5036 /prefetch:1
                            2⤵
                              PID:3172
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --field-trial-handle=4584,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=5040 /prefetch:1
                              2⤵
                                PID:808
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --field-trial-handle=4672,i,3250132242405792285,5469819297856077528,262144 --variations-seed-version=20240802-050153.822000 --mojo-platform-channel-handle=4496 /prefetch:1
                                2⤵
                                  PID:1928
                              • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                                "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                                1⤵
                                  PID:692
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                                  1⤵
                                    PID:2756

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

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

                                    Filesize

                                    649B

                                    MD5

                                    21355ff16a97b8a470a7e523dc0232b6

                                    SHA1

                                    1f27cd4e5048eda740cdb3dbb3d5b48aba79f762

                                    SHA256

                                    1c33bf00a093e022bbfeff7a686948862d4bef40229102957abd6f9688d18d05

                                    SHA512

                                    2698884c8df9ff18f2cf27ad65e96e2a84d074b1c8e6e6ffc05cd871f2bced8583819718b52645b03e9ba6a316e139afbb18ebf4a955626192465a7882e5de62

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

                                    Filesize

                                    1KB

                                    MD5

                                    11019948ead90786386916d779c644be

                                    SHA1

                                    c7020b9a80c39e30788b6626e9f0c037361a9d73

                                    SHA256

                                    91e770026c30f3f054f9840644faa7b47791aa18d5189bb64e300ad32923fa33

                                    SHA512

                                    79911b96aec53641707b50a77d2d142981e7d0fc17d946bc5838ad865687688b1dda286a6ea43a2fb87a01e0f93be4cbec12c2536364f2ab1295caa8e6f26cab

                                  • 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

                                    356B

                                    MD5

                                    1862658e0ca7b3292c0d22838113b05f

                                    SHA1

                                    a3cf24d3ad082f0650a83a4cbf3e4dced1b75aa6

                                    SHA256

                                    51dd2072820c5c966359aaf257bc15f042a8900bb20fcf7c5fe33fa6cef90832

                                    SHA512

                                    0a9336cc4c30965ada65c79acf61a3f399566a0dccc98c1c85d3cb09ea127acfb437a4358c44b20001c1162acdd9b09ea72570de91ad0587f6bf71ffec97c43c

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

                                    Filesize

                                    1KB

                                    MD5

                                    7f85f9aca1f77efcb7a3be4984928b21

                                    SHA1

                                    47f59e8d1a7af36e7175c3f18587fe449c0d8d4f

                                    SHA256

                                    fbe645c1f8f735782b7a4a5678051666b9283fc75a0e89d70cb83ab032d4929c

                                    SHA512

                                    eb365df169b7cd075141573979b03b61170d51ab977f1d25d88a49397df7058a751588fc54477b2e9cf845f586e0471e6c26ef9f5a0251f846ddd5473e9a2f64

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

                                    Filesize

                                    9KB

                                    MD5

                                    d0688afa2f95341b6b11ca01e4d5ad2a

                                    SHA1

                                    e3b5c129b7d772ac039ef4ddff28fe80fc089121

                                    SHA256

                                    7f1c2834bfdaa714d37bf5a08c8d737fe8a782c212bb79d8dea8063c6f72ee72

                                    SHA512

                                    a2b2ec18e8a0711c5b10c88641b18ba3981999c08f9024f1bf156da76270f1b2542ac87aae1d854fcc0ed416a1667c6dc4673bc801cc05ecc7209a6cb270b129

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

                                    Filesize

                                    9KB

                                    MD5

                                    a5cb026940a93f4ff0fe03cfa9e03e17

                                    SHA1

                                    be739aad40fa98cacf3ba26c7c795684a8090879

                                    SHA256

                                    003c0244832ecb11b9b7ccade22b59c0c3536d89b7fdfa3f752b604ab9dc47ea

                                    SHA512

                                    144f86fa86329f5d05d9bc72517fd42f2da2c4dca574619c2e81eebfaaa460a4a82524070da6869114933984ca74f7055530f3ce39d4181ce19665666cdd57b5

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

                                    Filesize

                                    15KB

                                    MD5

                                    96ac3dd18d2cbbc2082bff5e6f220d8b

                                    SHA1

                                    a8d617f5855413c878ed77343192319f550bc19b

                                    SHA256

                                    29ef75bf95d1aa6cf15778a6f9b2ca7d4797f20fbeeb1597fc1242f1e0950a8b

                                    SHA512

                                    b98555f86419d0e6311fd80eda3db29df596354f6bbc9645ec5183df313b39a1eb64e581fd9a9527835a356d882ff50afcf8deb23425e395a3a80ac2e1e6b4ed

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

                                    Filesize

                                    203KB

                                    MD5

                                    3cf5e93e89bd186e4532f7ec52dcc783

                                    SHA1

                                    008f2bea5986f61a4541be6de3d5683d95e49ce7

                                    SHA256

                                    83b71c3889b3538196049878ce783500da0b5334aeda28d052b78b5f607d7538

                                    SHA512

                                    6d857d13cc69bc318852104fc7cc6bbdfb015ec9d0a43a412bf9dba9214fedf2f3a0011bd3d4dc899f6613a0fe8966649c1e6485e86d2cb0e83f73cd57df940f

                                  • C:\Users\Admin\AppData\Local\Roblox\Downloads\roblox-studio\24bcceca8b115ff5d0060b2d9def17c6

                                    Filesize

                                    5.5MB

                                    MD5

                                    24bcceca8b115ff5d0060b2d9def17c6

                                    SHA1

                                    a06ba5c1f6d64c9a95627c4b2291806d2b5cd300

                                    SHA256

                                    c91803f5c89cc6b4c649f1a6dc85901208a0cf83cbe5d44c4e4800cc0e3b8fde

                                    SHA512

                                    d0d5163a972860ae532d8d0f29d97a1a74796b94aec00d112e30efabc1139b1bb97c892afe7f3a69ef1323aa387a71ae006749e91f374ee93b465586ed6a913d