Analysis

  • max time kernel
    157s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2022 15:24

General

  • Target

    983aa3d0378b5a055ccf5d9ee384efbf30b38719d48632e791f4cc40e389ae0b.exe

  • Size

    125KB

  • MD5

    81d0aa61352c5c7a6e850a636313cc70

  • SHA1

    d65d5365f74c9976736e77119400b14fbc84c1b8

  • SHA256

    983aa3d0378b5a055ccf5d9ee384efbf30b38719d48632e791f4cc40e389ae0b

  • SHA512

    72f163e9383a6f62a3f666a9b16b7d5403ae738b39e9078f8bf33e2335a917cff0879e6be9396dc2a85c6f42a5ba5e5f1915edcc11253b7974e1e7656020ffe0

  • SSDEEP

    3072:qY+XZTVGSM4y9uIxwhI6sArzzFwTR5zzU0TsmJKoi8cWdD:8aOEhEfsArSPvU0v9cW9

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\983aa3d0378b5a055ccf5d9ee384efbf30b38719d48632e791f4cc40e389ae0b.exe
    "C:\Users\Admin\AppData\Local\Temp\983aa3d0378b5a055ccf5d9ee384efbf30b38719d48632e791f4cc40e389ae0b.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=983aa3d0378b5a055ccf5d9ee384efbf30b38719d48632e791f4cc40e389ae0b.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Adds Run key to start application
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4876
      • 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=0xb0,0xdc,0x100,0x40,0x104,0x7ffed0a246f8,0x7ffed0a24708,0x7ffed0a24718
        3⤵
          PID:4912
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2200 /prefetch:2
          3⤵
            PID:4124
          • 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=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2472 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:32
          • 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=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2684 /prefetch:8
            3⤵
              PID:3788
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3396 /prefetch:1
              3⤵
                PID:1456
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3408 /prefetch:1
                3⤵
                  PID:3532
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4072 /prefetch:1
                  3⤵
                    PID:2220
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5144 /prefetch:8
                    3⤵
                      PID:3496
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6124 /prefetch:1
                      3⤵
                        PID:4660
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6136 /prefetch:1
                        3⤵
                          PID:4320
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4236 /prefetch:8
                          3⤵
                            PID:3132
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4248 /prefetch:1
                            3⤵
                              PID:1824
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4236 /prefetch:1
                              3⤵
                                PID:4820
                              • 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=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2800 /prefetch:8
                                3⤵
                                  PID:2692
                                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                                  3⤵
                                  • Drops file in Program Files directory
                                  PID:2112
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff7de265460,0x7ff7de265470,0x7ff7de265480
                                    4⤵
                                      PID:2908
                                  • 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=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2800 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4640
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5780 /prefetch:8
                                    3⤵
                                      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=unzip.mojom.Unzipper --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1116 /prefetch:8
                                      3⤵
                                        PID:5112
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,14370657606334617643,6659605539243585595,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3604 /prefetch:2
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:4604
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=983aa3d0378b5a055ccf5d9ee384efbf30b38719d48632e791f4cc40e389ae0b.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                      2⤵
                                        PID:2072
                                        • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffed0a246f8,0x7ffed0a24708,0x7ffed0a24718
                                          3⤵
                                            PID:380
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:4792

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

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                                        Downloads

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

                                          Filesize

                                          152B

                                          MD5

                                          7b4b103831d353776ed8bfcc7676f9df

                                          SHA1

                                          40f33a3f791fda49a35224a469cc67b94ca53a23

                                          SHA256

                                          bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                          SHA512

                                          5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

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

                                          Filesize

                                          152B

                                          MD5

                                          8be9513fd38b94d4f6b5011b68b60326

                                          SHA1

                                          47feef421fe8de09e36ca685e9cf19d404aa8917

                                          SHA256

                                          5bf3203e8be948e62917ebab13e1b21aec105c473089b233874fac8e5748bb2d

                                          SHA512

                                          cb3dbfa46f3ee28956deab38fefa8276f9efa6ea978ff6b7f810f7f9ba106ed569f017cf5c840ae90fc5f83a1e6dbe50efef8e3412f4f38452a00915b2cc58bc

                                        • memory/32-136-0x0000000000000000-mapping.dmp

                                        • memory/380-144-0x0000000000000000-mapping.dmp

                                        • memory/1456-142-0x0000000000000000-mapping.dmp

                                        • memory/1824-159-0x0000000000000000-mapping.dmp

                                        • memory/2072-140-0x0000000000000000-mapping.dmp

                                        • memory/2112-162-0x0000000000000000-mapping.dmp

                                        • memory/2220-148-0x0000000000000000-mapping.dmp

                                        • memory/2908-163-0x0000000000000000-mapping.dmp

                                        • memory/3132-157-0x0000000000000000-mapping.dmp

                                        • memory/3256-166-0x0000000000000000-mapping.dmp

                                        • memory/3496-151-0x0000000000000000-mapping.dmp

                                        • memory/3532-145-0x0000000000000000-mapping.dmp

                                        • memory/3788-139-0x0000000000000000-mapping.dmp

                                        • memory/4124-135-0x0000000000000000-mapping.dmp

                                        • memory/4320-155-0x0000000000000000-mapping.dmp

                                        • memory/4604-169-0x0000000000000000-mapping.dmp

                                        • memory/4640-164-0x0000000000000000-mapping.dmp

                                        • memory/4660-153-0x0000000000000000-mapping.dmp

                                        • memory/4820-161-0x0000000000000000-mapping.dmp

                                        • memory/4876-132-0x0000000000000000-mapping.dmp

                                        • memory/4912-133-0x0000000000000000-mapping.dmp

                                        • memory/5112-168-0x0000000000000000-mapping.dmp