Analysis

  • max time kernel
    480s
  • max time network
    596s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    14-01-2025 08:55

General

  • Target

    https://store.steampowered.com/

Malware Config

Signatures

  • Downloads MZ/PE file
  • Detected potential entity reuse from brand STEAM.
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of FindShellTrayWindow 32 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/
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2536
    • 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,0x7ff8feab3cb8,0x7ff8feab3cc8,0x7ff8feab3cd8
      2⤵
        PID:2880
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1896 /prefetch:2
        2⤵
          PID:2516
        • 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=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2088 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1848
        • 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=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2688 /prefetch:8
          2⤵
            PID:4180
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --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=3288 /prefetch:1
            2⤵
              PID:5116
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --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=3304 /prefetch:1
              2⤵
                PID:2356
              • 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=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4832 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:1208
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4056 /prefetch:1
                2⤵
                  PID:3352
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5524 /prefetch:1
                  2⤵
                    PID:3940
                  • 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.UtilReadIcon --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5944 /prefetch:8
                    2⤵
                      PID:1492
                    • 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=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6088 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:2432
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5332 /prefetch:1
                      2⤵
                        PID:2384
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5316 /prefetch:1
                        2⤵
                          PID:1604
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5724 /prefetch:1
                          2⤵
                            PID:628
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --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=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5292 /prefetch:1
                            2⤵
                              PID:3588
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2592 /prefetch:1
                              2⤵
                                PID:1840
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=20 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5352 /prefetch:1
                                2⤵
                                  PID:3608
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1888,11532710089469438491,13732894381878515391,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=3760 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2012
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:2400
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3124

                                  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

                                    d7145ec3fa29a4f2df900d1418974538

                                    SHA1

                                    1368d579635ba1a53d7af0ed89bf0b001f149f9d

                                    SHA256

                                    efc56eb46cf3352bf706c0309d5d740bca6ac06142f9bdc5e8344b81d4d83d59

                                    SHA512

                                    5bb663ede88f8b7c96b09c1214aac68eda99bc09525ac383baa96914ff7d553ea1aed09e3c9d16893d791c81ddb164c682dfbb4759ac0bc751221f3e36558a91

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

                                    Filesize

                                    152B

                                    MD5

                                    d91478312beae099b8ed57e547611ba2

                                    SHA1

                                    4b927559aedbde267a6193e3e480fb18e75c43d7

                                    SHA256

                                    df43cd7779d9fc91fd0416155d6771bc81565e98be38689cb17caece256bf043

                                    SHA512

                                    4086c4ebe410a37d0124fc8bd00c58775e70ab2b7b5a39b4e49b332ce5b4866c6775707436395467aff9596507c96fb4896f3bf0249c5b9c99a927f31dcc1a96

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

                                    Filesize

                                    720B

                                    MD5

                                    dcc4e53a316717ae8360e9bc4d2276ba

                                    SHA1

                                    f32652b9e1059b6f88f04630ea21a4368ef9b126

                                    SHA256

                                    c230c795f6dfab6f03ecbeafee49c4a56a42ae0527ccc807d6e63eaa06d30e87

                                    SHA512

                                    ec2df2bc7f8c7772ca87f373185a9ca25bdf8f065644ff67d676ca42a1e82728edc72a5ced5abba0e37acd9bf538f8412fd087074c9381ae530425775fd5ca87

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

                                    Filesize

                                    367B

                                    MD5

                                    264f5853a3f1207d5a8d5db5d22d188d

                                    SHA1

                                    f9fa3854c56f8853a0d3c1d697d5b3d3c668b087

                                    SHA256

                                    2e6d9fbaa3df1919071baaebee4c52ccc5e23643756843aaa1bc61c12d85adcd

                                    SHA512

                                    3dbbab35789610217ee372c42a322479054347200a6e586150d98b8db0fc585da9b21db365fb8a3afb2f5f95eb4543b7e6135d8f35f0bb793865a4234e1d932f

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

                                    Filesize

                                    5KB

                                    MD5

                                    b9a55eaba2446a79409cbfa2384cd2d9

                                    SHA1

                                    e75d2dc7f0847fec619fa24ea79584e073c656ab

                                    SHA256

                                    9f626446449b24dc0d83fa723f34a30a5ab9df5017011d149e69be54f574669c

                                    SHA512

                                    c0e5f3a704e0476207fdd41cd72a518435fb55526487ff5b1565aeaea0b073767aa8e30f7e523c442c581883ca1ea257ef3d676880581406034a7c3035a29615

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

                                    Filesize

                                    6KB

                                    MD5

                                    36a7df6e21f0aadb8c63e2d6b045db89

                                    SHA1

                                    71ab30091015ebe38a9853187ce52b65e6fe76a2

                                    SHA256

                                    48cca37a2f879802af98e512c57b1e1174f19bacde61b439b180dd436eba58cc

                                    SHA512

                                    5380f77e47ba4637e4a4bb58da58f04a20623612f63545b07d9fa464c05250a501e429d2fb15be3838f664c78802e24261af77b88f3c47b51b5ceff2e6204a12

                                  • 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

                                    6964cd4b14d4ebd219a60854a431b1c0

                                    SHA1

                                    4ee05800b6e6e455604e56d7a47bb22fd0dd0b53

                                    SHA256

                                    ec1203fbf05b846d4bdc606337f8cc30e87a097e7d3e980be20621de470c1279

                                    SHA512

                                    8f445e882c464a77f546ac6172299f7b38fd40185aeedcf9e03cf5d6d0749b9291b839c2e3b1592a6ca4373e2cbfed4e9a224a342d1259a43355e45198caab31

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

                                    Filesize

                                    10KB

                                    MD5

                                    c87925c60dc212bd65df001efd08b72a

                                    SHA1

                                    13fa5a01898e8fedce90f0832bda0f9addfcf238

                                    SHA256

                                    e17a7f5cd1d3d300877f2b822d65efcd4488a634ec8265dbc7061e7de679d959

                                    SHA512

                                    6f831986e26efb40aea2745cbd9380aeb1e875e8d74ed16c146ba5323b93e61b88fead09e91cc2f034753f7589343dedb4717efaf0bab2d16ff2ef294925b49b

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

                                    Filesize

                                    11KB

                                    MD5

                                    54c1d2133e697fa249ed1a5f42e29cd1

                                    SHA1

                                    42de59efee63fb4c40d1594c980d94c43b0ea5b4

                                    SHA256

                                    c9887ce6fe3e65fecebe35604e621b41dbb8f42ed388fd918d450b9139aea5dc

                                    SHA512

                                    26186a8ce16ac89940c0de0ab0d2e1072496e49e8fcea23c55aa4d0bbad7dd2ff681772d51c6eefb0cab4a0bb8d8b9bf4ab34b3e4f7bd60de45609742930f092

                                  • C:\Users\Admin\Downloads\Unconfirmed 436419.crdownload

                                    Filesize

                                    2.3MB

                                    MD5

                                    1b54b70beef8eb240db31718e8f7eb5d

                                    SHA1

                                    da5995070737ec655824c92622333c489eb6bce4

                                    SHA256

                                    7d3654531c32d941b8cae81c4137fc542172bfa9635f169cb392f245a0a12bcb

                                    SHA512

                                    fda935694d0652dab3f1017faaf95781a300b420739e0f9d46b53ce07d592a4cfa536524989e2fc9f83602d315259817638a89c4e27da709aada5d1360b717eb