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Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 13:14

General

  • Target

    https://stemscommunity.com/activation/id=15615238573

Malware Config

Signatures

  • Detected potential entity reuse from brand STEAM. 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://stemscommunity.com/activation/id=15615238573
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xfc,0x10c,0x7ffb61b846f8,0x7ffb61b84708,0x7ffb61b84718
      2⤵
        PID:4860
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2028 /prefetch:2
        2⤵
          PID:2032
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
          2⤵
          • Detected potential entity reuse from brand STEAM.
          • Suspicious behavior: EnumeratesProcesses
          PID:2200
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2660 /prefetch:8
          2⤵
            PID:4460
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3356 /prefetch:1
            2⤵
              PID:1760
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3492 /prefetch:1
              2⤵
                PID:3936
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4664 /prefetch:1
                2⤵
                  PID:3488
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
                  2⤵
                    PID:4996
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5200 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1060
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5276 /prefetch:1
                    2⤵
                      PID:720
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5296 /prefetch:1
                      2⤵
                        PID:3724
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5740 /prefetch:1
                        2⤵
                          PID:1720
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5784 /prefetch:1
                          2⤵
                            PID:1268
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2216,2535553234443949975,3245626421451227409,131072 --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=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5000 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1620
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:532
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4172

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                              Filesize

                              152B

                              MD5

                              6960857d16aadfa79d36df8ebbf0e423

                              SHA1

                              e1db43bd478274366621a8c6497e270d46c6ed4f

                              SHA256

                              f40b812ce44e391423eb66602ac0af138a1e948aa8c4116045fef671ef21cd32

                              SHA512

                              6deb2a63055a643759dd0ae125fb2f68ec04a443dbf8b066a812b42352bbcfa4517382ed0910c190c986a864559c3453c772e153ee2e9432fb2de2e1e49ca7fe

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                              Filesize

                              152B

                              MD5

                              f426165d1e5f7df1b7a3758c306cd4ae

                              SHA1

                              59ef728fbbb5c4197600f61daec48556fec651c1

                              SHA256

                              b68dfc21866d0abe5c75d70acc54670421fa9b26baf98af852768676a901b841

                              SHA512

                              8d437fcb85acb0705bf080141e7a021740901248985a76299ea8c43e46ad78fb88c738322cf302f6a550caa5e79d85b36827e9b329b1094521b17cf638c015b6

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

                              Filesize

                              432B

                              MD5

                              24f7dffea857f0aacfd215f81097f5ff

                              SHA1

                              7145782bcb9bd708f7366f13902984d4956e0a34

                              SHA256

                              06cdc5a34be8d0d283486e61168d715423d4147fce75c004fab0ba5cded645f1

                              SHA512

                              dddf20b59be35a97694dd00f95738d9d19bebbdf9e5bd8d414f71afcc79b49f421f0c03704c2cc420ab412d64c8c365e4ac7d3189271987b762353bc4d0b48a2

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                              Filesize

                              871B

                              MD5

                              ba5b896bbf161b91bcb7a979dedbc065

                              SHA1

                              6c4c3372492695cc7124d126d75d1e7173462bc0

                              SHA256

                              51dfd2e7ba10747e801321a342a072506a7522d79ed4d349cbe591a9f33c994d

                              SHA512

                              eb542c4d55669386f7b101b01ad8a59965ee62df8dbc3919b0a1c1a28ab56a878dbdf9da5d5956730fab18edcf98c7bac2cbe5d4e4d4768c2724794ae13529ab

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                              Filesize

                              6KB

                              MD5

                              4737f9b9c7f8f599d9efba204b675548

                              SHA1

                              db5342e5107321f7b62ce70a7518920934909c61

                              SHA256

                              4d4bd7a5a553eef809c889d653f32c4e93c60ba34f5f3fd2d08713385b7c34a0

                              SHA512

                              fc6773227e17806dc8ffa047c342cf9204f3f3d9743c38dbbe80087055d9b59c80ba1c834ab38a3ab56aa9c1223dd004dee428877f538190f0ac09430c2dad22

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                              Filesize

                              5KB

                              MD5

                              4f3aa2e80b4689169fef5ae1c5926b65

                              SHA1

                              046cf53c28df1f29594e0951a6a396c88e14cc72

                              SHA256

                              6155071d4e317617cf5bdebc37d199e189a8745651e42704a5e2bc815ae3acb3

                              SHA512

                              002b6fd404808b6bb84aa34cc6e33f66893fc0dadeeedfdf378f5a182778030dfa4e2c050254356c768284c2824f7ff9a709b3935000d69b2fe361c722e56b56

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity

                              Filesize

                              1KB

                              MD5

                              6a11e4e42ba212a5b42b04220b1e3e49

                              SHA1

                              139a9ea4ce07ed8f87b2e4c448b7c79c0226bc11

                              SHA256

                              42400e3ff5ab92893b0c47cbba565f6e11f8b84364cbe7c8fe044ec2d5b4d97f

                              SHA512

                              7ebfb7692d43138cc6cb83888d46ec2b85c7b1b76643e70745e2ca9a045a9233a2ef1d366ae0b452992245dc2b09cac0f977d10a6abe4452501d4746e6e5f9ee

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe57e35b.TMP

                              Filesize

                              1KB

                              MD5

                              1071e9e6d5cdf1e4f39d9d7f9b5851c5

                              SHA1

                              13f179f55a234d4707e1d02e9ef678e54fc43549

                              SHA256

                              fd303973bfb003e0e760974e3cbae0b6575beb7c8bf9544dfa6e333f12219e93

                              SHA512

                              0ace8fe1dcf3f0cbca07ced2152e25d6c5675ebad099d24c37db41b6abfa74419469b46e8b271f68a9ffff2e8fc020ee319cec3acc42cc4b3505382a2efb2d9d

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                              Filesize

                              16B

                              MD5

                              6752a1d65b201c13b62ea44016eb221f

                              SHA1

                              58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                              SHA256

                              0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                              SHA512

                              9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                            • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                              Filesize

                              10KB

                              MD5

                              8770caa777f48205ec5db5871bb6fc19

                              SHA1

                              7e185d8de954617ba8ba0fd166e8ab24bb3cdf09

                              SHA256

                              892fe46c53c2c52c99f196e169337a2db110b9b1848c5113ee4fec032c3a832e

                              SHA512

                              22f77a9b7fc646db65cd22fb61f60d58f1447469838191cc17e1f4f162616fdd224a616472fa652781b93a9d53f9c59453985a10c737c69c4b1f783cbc811540