Analysis

  • max time kernel
    33s
  • max time network
    33s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    23/02/2024, 07:33

General

  • Target

    http://bssyhrubrcs.com

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 17 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" --single-argument http://bssyhrubrcs.com
    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:2344
    • 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,0x7ffdb7023cb8,0x7ffdb7023cc8,0x7ffdb7023cd8
      2⤵
        PID:4064
      • 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=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2064 /prefetch:3
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1724
      • 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=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2528 /prefetch:8
        2⤵
          PID:1988
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1788 /prefetch:2
          2⤵
            PID:1000
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=3160 /prefetch:1
            2⤵
              PID:428
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=3148 /prefetch:1
              2⤵
                PID:4640
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=2896 /prefetch:1
                2⤵
                  PID:4220
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=4936 /prefetch:1
                  2⤵
                    PID:4660
                  • 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=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3960 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1728
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3992 /prefetch:1
                    2⤵
                      PID:4240
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=3860 /prefetch:1
                      2⤵
                        PID:2536
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4748 /prefetch:1
                        2⤵
                          PID:4676
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5380 /prefetch:1
                          2⤵
                            PID:3032
                          • 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=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5688 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1664
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=3520 /prefetch:1
                            2⤵
                              PID:4316
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=2896 /prefetch:1
                              2⤵
                                PID:2596
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4756 /prefetch:1
                                2⤵
                                  PID:4892
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=4996 /prefetch:1
                                  2⤵
                                    PID:4656
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5716 /prefetch:1
                                    2⤵
                                      PID:3728
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --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=4048 /prefetch:1
                                      2⤵
                                        PID:3140
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=21 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5732 /prefetch:1
                                        2⤵
                                          PID:1808
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=22 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4180 /prefetch:1
                                          2⤵
                                            PID:3128
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1912,15751566371738943710,6711131047460646218,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=23 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5760 /prefetch:1
                                            2⤵
                                              PID:3308
                                          • C:\Windows\System32\CompPkgSrv.exe
                                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                                            1⤵
                                              PID:3108
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:4344

                                              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

                                                      3b1e59e67b947d63336fe9c8a1a5cebc

                                                      SHA1

                                                      5dc7146555c05d8eb1c9680b1b5c98537dd19b91

                                                      SHA256

                                                      7fccd8c81f41a2684315ad9c86ef0861ecf1f2bf5d13050f760f52aef9b4a263

                                                      SHA512

                                                      2d9b8f574f7f669c109f7e0d9714b84798e07966341a0200baac01ed5939b611c7ff75bf1978fe06e37e813df277b092ba68051fae9ba997fd529962e2e5d7b0

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

                                                      Filesize

                                                      152B

                                                      MD5

                                                      0e10a8550dceecf34b33a98b85d5fa0b

                                                      SHA1

                                                      357ed761cbff74e7f3f75cd15074b4f7f3bcdce0

                                                      SHA256

                                                      5694744f7e6c49068383af6569df880eed386f56062933708c8716f4221cac61

                                                      SHA512

                                                      fe6815e41c7643ddb7755cc542d478814f47acea5339df0b5265d9969d02c59ece6fc61150c6c75de3f4f59b052bc2a4f58a14caa3675daeb67955b4dc416d3a

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

                                                      Filesize

                                                      6KB

                                                      MD5

                                                      6f81bf170ed26914fc296747c818578f

                                                      SHA1

                                                      50e8b829b75fdca03d26b1c80f94799c712a3118

                                                      SHA256

                                                      b0f67991c821b8fd5b9d8b1e49d82756705144b00adfe98cdf5083e9ac903770

                                                      SHA512

                                                      e32cce4ed7b48b896b7702fd731c87e19ffdd9b493269c68abed358a82eb5f6b119bbc21d7dba73eed858f23f7f9e1bff61e6e27edae2923bc1e314cedfa7c62

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

                                                      Filesize

                                                      6KB

                                                      MD5

                                                      362d5aab0c4e1c50b4302166906f8ce0

                                                      SHA1

                                                      fcb2b7117c19438a981a392eb84cae2be88abaa1

                                                      SHA256

                                                      54d81e4228763b062b0fec855e8cd0c95345c0cd39cc02f98394bc943bce8c4f

                                                      SHA512

                                                      788b7f87748c630fbfe8d8bab1648a74341578ad7160e1d7a253c7750542590fd688c60fe42cd4875f5bfd5954537915a1e1a30bab392dae25fbdbc92cf61100

                                                    • 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

                                                      11KB

                                                      MD5

                                                      df46e382f0cdc6bfbb894a1104029239

                                                      SHA1

                                                      b5704f7185f3b32142e69ff256a03ad6ec6e6c52

                                                      SHA256

                                                      c7d25b1896a582b69d4412adbaf59b7ca97b89a4f2bf2ec0d861e04c61174426

                                                      SHA512

                                                      764656ff48a43084617ed87a1108210edf252cea752c2cfd578fa5e152e9106ebfe36a17bb5be38158144eb0a05eddadd90932a5b30e1d2ba7c9107f346e235a