Resubmissions

02-10-2024 15:15

241002-sm8bystamm 6

Analysis

  • max time kernel
    18s
  • max time network
    19s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 15:15

General

  • Target

    https://fbrp.se/

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 26 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" --single-argument https://fbrp.se/
    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:1668
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffead0b46f8,0x7ffead0b4708,0x7ffead0b4718
      2⤵
        PID:4388
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2080 /prefetch:2
        2⤵
          PID:4356
        • 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=2056,16839000322906370964,12083486595539139969,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2140 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1172
        • 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=2056,16839000322906370964,12083486595539139969,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2844 /prefetch:8
          2⤵
            PID:4428
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --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=3412 /prefetch:1
            2⤵
              PID:2004
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --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=3420 /prefetch:1
              2⤵
                PID:3144
              • 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=2056,16839000322906370964,12083486595539139969,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4996 /prefetch:8
                2⤵
                  PID:1188
                • 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=2056,16839000322906370964,12083486595539139969,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4996 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1444
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --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=5488 /prefetch:1
                  2⤵
                    PID:3544
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5556 /prefetch:8
                    2⤵
                      PID:4204
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=4024 /prefetch:8
                      2⤵
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      PID:3212
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --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=5456 /prefetch:1
                      2⤵
                        PID:4224
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --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=5692 /prefetch:1
                        2⤵
                          PID:1844
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --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=6012 /prefetch:1
                          2⤵
                            PID:1260
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2056,16839000322906370964,12083486595539139969,131072 --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=5996 /prefetch:1
                            2⤵
                              PID:3936
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3692
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3676

                              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

                                f9664c896e19205022c094d725f820b6

                                SHA1

                                f8f1baf648df755ba64b412d512446baf88c0184

                                SHA256

                                7121d84202a850791c2320385eb59eda4d697310dc51b1fcd4d51264aba2434e

                                SHA512

                                3fa5d2c68a9e70e4a25eaac2095171d87c741eec2624c314c6a56f4fa390d6319633bf4c48b1a4af7e9a0451f346beced9693da88cfc7bcba8dfe209cbd1b3ae

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

                                Filesize

                                152B

                                MD5

                                847d47008dbea51cb1732d54861ba9c9

                                SHA1

                                f2099242027dccb88d6f05760b57f7c89d926c0d

                                SHA256

                                10292fa05d896a2952c1d602a72d761d34bc776b44d6a7df87e49b5b613a8ac1

                                SHA512

                                bd1526aa1cc1c016d95dfcc53a78b45b09dde4ce67357fc275ab835dbe1bb5b053ca386239f50cde95ad243a9c1bbb12f7505818577589beecc6084f7b94e83f

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

                                Filesize

                                480B

                                MD5

                                1246a7ec08e442f41e57e96743f6236f

                                SHA1

                                a8bb95101dd3da4d1d41ccc35225253fbf753a88

                                SHA256

                                a6e5a2cdf8e0fb1cd4f8dcedfaf20eb744cc41123edd65e72050b7c3bc1f78c2

                                SHA512

                                241fbe6c9cd976653260f36dae7da75355354252f587fb27a43b52d5030bfca1efc8ac16a59f6a6efaa6ba0e2038494f32fb420b8d292a8f367d6699f69614bc

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

                                Filesize

                                959B

                                MD5

                                951c896a31cc8ff05e33d6a48bed99e2

                                SHA1

                                7c37c4b3425c119232ab4c9a3d47ef037a0adc5a

                                SHA256

                                6f887d6b9471027c20437c8699cd082da13107cbd5e1ddafcc61c15c8e5180c0

                                SHA512

                                faddd5b252c6f3e62b30f7abaa6a361e518fa65a76d8e60eec3f867f8ff56e3bc184285b2c32f941b7935cc279f57b7ed55d87b1325a388f25913ec87f3493fa

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

                                Filesize

                                5KB

                                MD5

                                7c2c8fe889eeacec5711b21488c10d4a

                                SHA1

                                853081e3945b1d061196f1449b5ad3222c1a5b9c

                                SHA256

                                67c4fa64ce8da63c6f4441ef24a2e9dccad8dac9dc2736465b08972be0328668

                                SHA512

                                8b7d6203374ee87fb630c2541dfc32e9b490df6027ab06399d5310887c41e45597c7aa44908c423a93d39420eee5cef1fe72f32d646a0c889b01d6dfe272cfcc

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

                                Filesize

                                6KB

                                MD5

                                fb3f0e6e598c2b1efff2c85dc4db9d2a

                                SHA1

                                d8b40d5150573e1a0030886c16aa0d92c8019e63

                                SHA256

                                bfdeb49e23f3c1f98ac0d02102f358fcb7a8e63ff1258f338ad0da95f263547c

                                SHA512

                                61bbad4b1ed8ef9b310ea79d3899a9c965555375f0a65dbb2cd5e794f35b74aa3a33081c8a4dbbc0d7c1abac4c78d1c337005cf1ff640d40107a43fd7b13d0f5

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

                                Filesize

                                6KB

                                MD5

                                13d5ee7fd527c71108529bfd3a2e925c

                                SHA1

                                4e835dad18b5c65695d8deaef64b481ee5ef2c2e

                                SHA256

                                6199fac088c243b2aa0760e431f474504bcb2e36e6b622d411c997d08120b5a2

                                SHA512

                                7943c67876d2e12dfdf1a636ff99ae7ed086ee3812027a0cc575e4b37c14cf883f047ff915bd704b018aa2f5867cdcd58098dd9c1303498fced1fab7f26ab9f9

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

                                Filesize

                                538B

                                MD5

                                571f07740c7c5368a9fccc59c99c0c59

                                SHA1

                                b4f938b3148ee43a3f53cfce491024c03e02be41

                                SHA256

                                cf94e152979d356de648fe75a7e2bb857bb5ff4f85ade4cf8e9ba051466c9c51

                                SHA512

                                ae840dd69d51a1152a7911e87cbc5c33ec38727678c0520c5ec6410759bcbde5a2c3148c4941b2099fa96aab4ce4781a94bdfc88359b8d2b1b24b024c9f67bca

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe57f1b3.TMP

                                Filesize

                                204B

                                MD5

                                636f9302fa0b7249cd0dee04cbaaab42

                                SHA1

                                718503f13eda9ccf60dbc642b6bae888fd71a869

                                SHA256

                                71b108b0c56f69511f8f0d94e860df484ef9b1d1087fc94b837327cb83b1498e

                                SHA512

                                0e251bc1035f001796ad099375f7038cd2ae78f391d588a6120bc161a423dba5fd7f187b71f489e25c38a7546e1019f35e3415979d17d491350c47ffa1ec9077

                              • 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

                                4f6dda6cc5e1232f185ea1c29b713460

                                SHA1

                                b274f697561cc86669ef317fafb0a6b6aef05ebf

                                SHA256

                                2071fa8e5be2914cba86dcdedba2be8b03f762dbb2cde1ac866869f02e92bc3f

                                SHA512

                                71c140c2096a8e7348ed371b824dab3da4c29cc7e17ef900598e55e3d7f8fa40e46df2bc71ce833bb1d8d2240a504b16361c869e66033ccccd039adc809e5685

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

                                Filesize

                                10KB

                                MD5

                                0e4d342abed24cb91180674a24aea6fb

                                SHA1

                                34bc9f516c7e536735a177aec9ed0acd7226f95c

                                SHA256

                                304a640f2118c327faa06e063d42f31086e4d813f73f11f7b40bf1674069bd78

                                SHA512

                                fb7c9c0846dd1facddb87c250ab24fa5b67482d8186bace9969b47b968734477cfbf29e9887f8727411a7baffa7cbf203c59c41cd7ce02be45d90a6c1b4276c4