Analysis

  • max time kernel
    15s
  • max time network
    18s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-11-2024 22:07

General

  • Target

    https://store.steampowered.com/about/

Malware Config

Signatures

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

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 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://store.steampowered.com/about/
    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:3408
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff895623cb8,0x7ff895623cc8,0x7ff895623cd8
      2⤵
        PID:1280
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1896,15552749402352820165,8517389176725693011,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1908 /prefetch:2
        2⤵
          PID:1644
        • 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=1896,15552749402352820165,8517389176725693011,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2352 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:848
        • 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=1896,15552749402352820165,8517389176725693011,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
          2⤵
            PID:1536
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,15552749402352820165,8517389176725693011,131072 --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=3388 /prefetch:1
            2⤵
              PID:1324
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,15552749402352820165,8517389176725693011,131072 --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=3516 /prefetch:1
              2⤵
                PID:3256
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1896,15552749402352820165,8517389176725693011,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4716 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4952
              • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1896,15552749402352820165,8517389176725693011,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5508 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3028
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,15552749402352820165,8517389176725693011,131072 --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=5172 /prefetch:1
                2⤵
                  PID:2580
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,15552749402352820165,8517389176725693011,131072 --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=5156 /prefetch:1
                  2⤵
                    PID:4624
                • C:\Windows\System32\CompPkgSrv.exe
                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                  1⤵
                    PID:3436
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:852

                    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

                      fdee96b970080ef7f5bfa5964075575e

                      SHA1

                      2c821998dc2674d291bfa83a4df46814f0c29ab4

                      SHA256

                      a241023f360b300e56b2b0e1205b651e1244b222e1f55245ca2d06d3162a62f0

                      SHA512

                      20875c3002323f5a9b1b71917d6bd4e4c718c9ca325c90335bd475ddcb25eac94cb3f29795fa6476d6d6e757622b8b0577f008eec2c739c2eec71d2e8b372cff

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

                      Filesize

                      152B

                      MD5

                      46e6ad711a84b5dc7b30b75297d64875

                      SHA1

                      8ca343bfab1e2c04e67b9b16b8e06ba463b4f485

                      SHA256

                      77b51492a40a511e57e7a7ecf76715a2fd46533c0f0d0d5a758f0224e201c77f

                      SHA512

                      8472710b638b0aeee4678f41ed2dff72b39b929b2802716c0c9f96db24c63096b94c9969575e4698f16e412f82668b5c9b5cb747e8a2219429dbb476a31d297e

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

                      Filesize

                      5KB

                      MD5

                      7733f5c25b501dda2a9eb24d5e4fc01b

                      SHA1

                      0237593457d92f28f2895c322fb3e24437f3de6d

                      SHA256

                      3f8d8a3b06c802a5203bf43670adfb0dee0a4de4c2eac9ff394aa90645905124

                      SHA512

                      4a157b88d284dbdd25164e0eda92000b42bd397d47c2a9100d7e612b8b7221cb9634b7af9b0f314cafe2d12ff0c14767a7b56c4b38358f6c74b787998899f1e2

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

                      Filesize

                      6KB

                      MD5

                      76fa9e9a6cb83f36292a415ac7439f48

                      SHA1

                      b9c272ea12faf73c28a10ed1fda737af6d1d258c

                      SHA256

                      020c68d481b15fb13596fd784e5916c8531fe40672cd74ea059138cd3050df38

                      SHA512

                      fa709078daa45160448efc1e54ed480d7643fd1ab778774bc36df898f5bf7e7056ecc44ee06677d6829aa5c3bb095021269da224258dd93158581ecac846543d

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

                      Filesize

                      16B

                      MD5

                      206702161f94c5cd39fadd03f4014d98

                      SHA1

                      bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                      SHA256

                      1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                      SHA512

                      0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                      Filesize

                      16B

                      MD5

                      46295cac801e5d4857d09837238a6394

                      SHA1

                      44e0fa1b517dbf802b18faf0785eeea6ac51594b

                      SHA256

                      0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                      SHA512

                      8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                      Filesize

                      10KB

                      MD5

                      6c9f3a2616dd48e9a94e0e3327cf37c7

                      SHA1

                      47fbd803d8ff27e4dfb1461d09cae0599811a94b

                      SHA256

                      a6aa709b27667ef3c79825bf16d33e29faa8d2253f11c499bd06e626f3bd52a6

                      SHA512

                      116d77b6a5642baad8823ab55f888ba2ed58dcd6a270f714a1c7ffffa824f69dfb2c42b9b516c76ce027e60dbb8d04d63022bf11fac66f8c6d8a5b9f8afb035f

                    • \??\pipe\LOCAL\crashpad_3408_HSOPZJGZQATLQWYW

                      MD5

                      d41d8cd98f00b204e9800998ecf8427e

                      SHA1

                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                      SHA256

                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                      SHA512

                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e