Analysis

  • max time kernel
    50s
  • max time network
    48s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250410-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250410-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    16/04/2025, 14:18

General

  • Target

    https://srteamcommnutnity.com/su940924009210924092-247942

Malware Config

Signatures

  • Detected potential entity reuse from brand STEAM. 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://srteamcommnutnity.com/su940924009210924092-247942
    1⤵
    • Drops file in Windows directory
    • Checks processor information in registry
    • 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:2768
    • 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=133.0.6943.60 --initial-client-data=0x21c,0x220,0x224,0x1f8,0x228,0x7fff310adcf8,0x7fff310add04,0x7fff310add10
      2⤵
        PID:3448
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --string-annotations --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=2124,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2120 /prefetch:2
        2⤵
          PID:1380
        • 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 --string-annotations --field-trial-handle=1604,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2224 /prefetch:3
          2⤵
          • Detected potential entity reuse from brand STEAM.
          PID:5372
        • 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 --string-annotations --field-trial-handle=2372,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=2380 /prefetch:8
          2⤵
            PID:4152
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3188,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3224 /prefetch:1
            2⤵
              PID:4056
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3196,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3264 /prefetch:1
              2⤵
                PID:4312
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --extension-process --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4256,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=4288 /prefetch:2
                2⤵
                  PID:752
                • 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 --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=5188,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5216 /prefetch:8
                  2⤵
                    PID:4596
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --string-annotations --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=5308,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5192 /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.UtilWin --lang=en-US --service-sandbox-type=none --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=3448,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3436 /prefetch:8
                      2⤵
                        PID:1068
                      • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=3416,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=3420 /prefetch:8
                        2⤵
                          PID:476
                        • 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 --message-loop-type-ui --video-capture-use-gpu-memory-buffer --string-annotations --field-trial-handle=3472,i,4554225465729034396,15532714188614317683,262144 --variations-seed-version=20250410-050051.531000 --mojo-platform-channel-handle=5584 /prefetch:8
                          2⤵
                            PID:3680
                        • C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe"
                          1⤵
                            PID:3644
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                            1⤵
                              PID:4764

                            Network

                            MITRE ATT&CK Enterprise v16

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

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

                              Filesize

                              414B

                              MD5

                              a8d77ba934a749784cd508ac970846a5

                              SHA1

                              e0d5a98bd9d50f21f70c7c07a7afa1a481adb8c4

                              SHA256

                              b20c1dc69323e5187562da3a005ce2685e1cc206f9042ecdb7c018efc0580d68

                              SHA512

                              caa641a0ec22a034a373ddd87127b99e91ebdbd8622b1b1f4e9ac88036f7f97d097526f5da4916aa32bd2980f3be0a1325c3d2341d74ef338740a1c8cc05dd4c

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

                              Filesize

                              576B

                              MD5

                              6343725c7ae9f480577b3e7eea262a82

                              SHA1

                              4b207e90ce22279f279d7e0c748aa3b3d8cc88f7

                              SHA256

                              8d2c0dad422e25950326577cbd1681ff7383d48af6e57af609b77199a1913524

                              SHA512

                              4f95e01fc11de7cbed157be62f9ea7ddaf8517b778e781a51e1f250d1842d2614cad748c9fecf8d917b3f98bd032034d2190d6c218fe6e24cb86be5e8f349898

                            • 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

                              10KB

                              MD5

                              28576f21a317c251c72cbb884b85ca89

                              SHA1

                              426785d317d38674312b5aeeefded99f17bfb7f8

                              SHA256

                              3c81bc93ec4cca06def32bde35a1af54e7300ce5a051113db823d13a4e086f7e

                              SHA512

                              4c2408098dd480a049acce7f5517c5610a4874a87478c2304c738092677b573ee54e9117b01c18a4c4b0c0b23b5babb6498a6c419ae6d920fc286dd257358a46

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

                              Filesize

                              10KB

                              MD5

                              b781925c693dcdb64866411b291027ea

                              SHA1

                              034c52d4b83c572f398b4765d53f86a199cf0177

                              SHA256

                              3ba272b1e360ddd30819d29461b9fc8f6c208c7ec61f8a1cd473751ac408464f

                              SHA512

                              1d8d45bf70dfbd5fe4ebd05df23116bd96e7ffc39bee3b281e9c276b68ca410f10563cc420f3688ea3c495d2b6b8eabdf12059973e5a7621518b8b564f83c0e5

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

                              Filesize

                              10KB

                              MD5

                              7faea98aa3b709461dce80fac7115a9d

                              SHA1

                              1b992eba8ff7fe7c98c3eee380632926129ed562

                              SHA256

                              ab7daa5e5d2bfc7cc10fae59afc1ad7e453a85bcdd99a325c34440d38bdd39b7

                              SHA512

                              6a03371b68a8bb6a12093ee76ff32cb1290b32c0eea0fbf40a1f782cab6ca16f4dc48fad255914c8e2d1e90ef96460ebad587b3f2e83b87e413ac07becbbe547

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

                              Filesize

                              10KB

                              MD5

                              43520419daa1a2071eb1dc4a5e91bbe6

                              SHA1

                              954f24f86a066f57fb81aef237a7115d774154f6

                              SHA256

                              b7842c79cf45f6717e846f44283de6ef79bc91f0f919c45fc8c3d887a6168389

                              SHA512

                              7f1f0284b494f33cb25e32a3d06fdc3a341e5c395c1119e05bf51603fb450569c711725106f174b4bbf2dbdd49f6339b57de3ef209f53ba51f03ad2c1784f278

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

                              Filesize

                              15KB

                              MD5

                              c92a58a3430f6841aa712c5a0ee3df5e

                              SHA1

                              40ad8dce2c492cca7ac13bc8f3aed0f5652ea29c

                              SHA256

                              2e6bfba382238a3eb6949a5ffee014f9289c8ef8563e44053f51efb273271f20

                              SHA512

                              253aa7a52eed660fcfd8ceb8e29daa52b0a67a2c06ba20ea4c35037df328387d3947fc3c46a40703baf940b58820395ad64777ac9262565d7a7cee380c1a03c5

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index

                              Filesize

                              72B

                              MD5

                              4b8e251514ae0f9c0b45ff78e4ff5941

                              SHA1

                              4a9374b807d9e36efc8535885683a516ba5f01e8

                              SHA256

                              c15e01096793a32412c72d02fbe439a0d2c243fa9895cf73023c880a58fc512e

                              SHA512

                              55ea09c47521128323c0d666a5dd1cd291980d3b05812424ed29dbbf7f6504a79d7c556d61d883930111ca64b57ce947752d5f944df3f59417437ceaf1b65eed

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe57cbeb.TMP

                              Filesize

                              48B

                              MD5

                              6f85dcc84d624859f42886edd87da129

                              SHA1

                              a2bdf2e45322afb5d4dd202519edb33e7d16ee59

                              SHA256

                              aa0db75f499540ccabb1b17691ab9b429fd3b90a48cbb575b6ff2390e8b1baf3

                              SHA512

                              17a4212732dc2698acb16ded68b113ddcaba13021a8c0df3637af39795f1bb30ba5d56b1f70d6a1bb0b61a323547d8978f00bb49c0d5745a7cb729c16d971dd2

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

                              Filesize

                              78KB

                              MD5

                              dcb54eb39ae09f8e0521d659adfa518e

                              SHA1

                              66ed96dbf06542441442dd3a5dd7fd8664f2d9a1

                              SHA256

                              6dedb6ea893ac83bda5b0b1e5e7e1175f114fb03bb56271ca66fc07608699903

                              SHA512

                              608ed837249d7d8d0b2ce5080d3ccb89445317ef22d10559ef1343c701bdc9c89c5a5ba4fe642f3f30239924d8e09be5f6e31824cf930d5586c7818006fb0610

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

                              Filesize

                              79KB

                              MD5

                              206f6c5c2418297e4d42ed39ea8fc7fa

                              SHA1

                              3958b1e86ea6ae4aba71bcb8bfbf6c5d928ee439

                              SHA256

                              f8aa049a6e8c0b0b37963fa743a4a643c10d367cda611d24b96599ab6983ee08

                              SHA512

                              214fd8211af03a515a1fb869513645d4f45b636f148e62dd3a74f7b2e41bc6cbb5f8d47c6edff83a6d8b1d41c8713d78a092d6c83ff4e00af49cc0b8dfbfd2d0

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

                              Filesize

                              79KB

                              MD5

                              95f9f8f0eee7d58f0e666e6cf170f20c

                              SHA1

                              be4978ec776d07812cff6a1801b1ee5b6f993a3b

                              SHA256

                              550bd6a1f355015983303122d0258a94322089d6572c3eba688d4963a0e1664b

                              SHA512

                              edbe0efe68e2c1623808e99a38f0449bde368cab31e0d7ff524a34d9e9e7e27084bbb13ae3fa76e9970f13857bcb38fe65a0db62a2bedc0c7637dff70d14446d

                            • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

                              Filesize

                              2B

                              MD5

                              f3b25701fe362ec84616a93a45ce9998

                              SHA1

                              d62636d8caec13f04e28442a0a6fa1afeb024bbb

                              SHA256

                              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                              SHA512

                              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84