Resubmissions

31-07-2024 14:28

240731-rs7ryaserb 8

31-07-2024 14:07

240731-re9z5s1hnc 10

Analysis

  • max time kernel
    900s
  • max time network
    1155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240730-en
  • resource tags

    arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    31-07-2024 14:28

General

  • Target

    https://jontrawolta.ct8.pl/winAPI.exe

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 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" --single-argument https://jontrawolta.ct8.pl/winAPI.exe
    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:1924
    • 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,0x7ffcb2733cb8,0x7ffcb2733cc8,0x7ffcb2733cd8
      2⤵
        PID:744
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1928 /prefetch:2
        2⤵
          PID:944
        • 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=1908,17049112910409169814,6585914794084156179,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2280 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3160
        • 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=1908,17049112910409169814,6585914794084156179,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2636 /prefetch:8
          2⤵
            PID:4940
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --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=3292 /prefetch:1
            2⤵
              PID:1356
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --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:1612
              • 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=1908,17049112910409169814,6585914794084156179,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5276 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:2416
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --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=5372 /prefetch:1
                2⤵
                  PID:3412
                • 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=1908,17049112910409169814,6585914794084156179,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5768 /prefetch:8
                  2⤵
                    PID:3900
                  • 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=1908,17049112910409169814,6585914794084156179,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3288 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2180
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --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=5476 /prefetch:1
                    2⤵
                      PID:3236
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5892 /prefetch:1
                      2⤵
                        PID:4928
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5344 /prefetch:1
                        2⤵
                          PID:2676
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6036 /prefetch:1
                          2⤵
                            PID:1328
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --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=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6080 /prefetch:1
                            2⤵
                              PID:1616
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1908,17049112910409169814,6585914794084156179,131072 --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=5456 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:4068
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:2364
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:2148

                              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

                                e15960b37c05dc7b54098cd898fe5a4d

                                SHA1

                                2c7923730ff68a25d23f8e56c3e5b8e62d2a1de2

                                SHA256

                                a3dd370b2b481e239fa13c330f274b7d279573b77ffb813ba68a4961b36d6cb6

                                SHA512

                                7e0016a20ed5935f0b0ec2722617661b2486cfde8a9f0901c5f01b23a1545f8637149e5086281f02d834a6be112cbc8eae4af86639f7c1e1c9e2bc34cdb6f979

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

                                Filesize

                                152B

                                MD5

                                cccdb04720e1632b3ababce0c0954ddc

                                SHA1

                                627fb15e39972f5339ba623ccf2aacf616adcc12

                                SHA256

                                4aaa61366719d6428b64217960e4c31bb925799dd75288307cd306a4ec833a0e

                                SHA512

                                4af29420d1bddd88a5fcfca9ef860d2cd1f97b9bf295c16b522a33d2580f264b35b3a373a1627a1f3be80044162c8580f54efae2e55befce3de8915c916b5bcb

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000001

                                Filesize

                                4.3MB

                                MD5

                                42e247e4cb3ee9e26070b9ddd2affad4

                                SHA1

                                1dc19ed0854bb1e6ca7b3361b776cf8ba4d024f2

                                SHA256

                                113a761e8949a7d24584d6ebc87c41813b9d9ab46a717d919b78a59b88b269d1

                                SHA512

                                65b1c32f248154ab2be61f36702ba9ae39c32595e352ffc90275db13b7c1e881963bc51801751e8c939c4c1b4891ea4fb6cf3558fb20e29eb2d792fee77f3e21

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

                                Filesize

                                186B

                                MD5

                                33a12e9ca223725dd0e186b034f98f96

                                SHA1

                                061baeef05a5b1632b9ef44881be14fafdd6f142

                                SHA256

                                aecf0adb6fd73a39785e2b69eb9553605cae5191bcee51197f3aeab21bb1133c

                                SHA512

                                114d3b113b3cb52fc7eabc2fb2e1ee842dfe24b3fc67b4bf7933ef1d0fceeb8cce2dc334c9288b55dfb68abf4419cc83b802847ac958ae9068fae23431d7b70e

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

                                Filesize

                                5KB

                                MD5

                                b98a2d9c002a853412bbf843318b7c13

                                SHA1

                                ef6bdf7fbfd3fab6eb572adcef0c988e9bf386ae

                                SHA256

                                630108340441027992bcbdc50b7df65710f51b3cdab4bd1838affb7638eca11f

                                SHA512

                                7bc88c0e225e5ef38bada716fe4ae1cff2ac77c81226321bef42e9ab4652447e7ca7d3599a0b95be73f7c8239f0ae19899836e19652740a075d89dcfc78d49ae

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

                                Filesize

                                5KB

                                MD5

                                9c745a2e11fc0d045d8f7c34c58a0fe9

                                SHA1

                                77f1490b9bf755bb8e6cb4c0f96980ae94941b7a

                                SHA256

                                0a6753136ff8967244f86d39b1c478fb3e6a9374331e252794fd254e9b929ee5

                                SHA512

                                2901eb49b85a6e93947aa4e729918b366b213ffa8a1989a93fa393fcb357dde1c68d5bad6116285973711880e3df73fefb350a12981a5c81492195a2cdf6197b

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

                                Filesize

                                5KB

                                MD5

                                4558cedbfb1a010ef90cdf631c658a74

                                SHA1

                                c162ff52d711eafbfb151ef2e75c845ce42f5742

                                SHA256

                                690d916882ba09108a816c280955103c6e5372fae3293589d1658c4b99277852

                                SHA512

                                6251154815268220a8fdcf0028e6a3d729a048635191470efefe8588877d309724119305b909bdd9353558ab0f5f84b6a502685c191b2d361a5101693eaf2fa0

                              • 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\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\Local State

                                Filesize

                                11KB

                                MD5

                                e77d82629849a15953c4533cdefd7f15

                                SHA1

                                918690ee3ab1146eb540e3547bdc2d588065a74f

                                SHA256

                                8935ae231d7c8efd039f0127b0e7d4f9492de5a770fe670cf48665919371ecc7

                                SHA512

                                61a2c864e152adde8e1c0e419cb2ead98bb8b888e72b5a9fbef4d946b66ae71c1db0744fbb6dda71ab2308eaa723737027c0b62cf908060911f07bcf9d2fe28f

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

                                Filesize

                                11KB

                                MD5

                                e3c46147fc7ea1cff7701e69e034d46b

                                SHA1

                                1bce18daac6e76bd7fcdb3e6f38bd54f36b0bcb3

                                SHA256

                                1576c8fc5bbbf85db65293861624fe98ccc8380464da5a121c7297f3c7c5e4b2

                                SHA512

                                1f444c6061a8ff484451e09a96e3d031cd59e43a0a914256d64ce4234d89a33fb59470522b763507ac864732d16e626e8705f8dc129447dc0a0cf9b16b75fe5c

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

                                Filesize

                                11KB

                                MD5

                                818e69bbae1a8b5d62e871869a12d625

                                SHA1

                                640a29b15ac77fa7bfe7a477d53d6a5790301ad9

                                SHA256

                                3a61319e2a2755a7e35bf59f09eb961c050ac926b2c65dff87af424880bae027

                                SHA512

                                21e4e51508acef7d8aa37c1d12ff8cde2193cc07fe0d68d71be2fb2c32da6c29b5227c6ccf5f41fecd771e372dc3b0643e6611af6e8a713706d47ca243930d6a