Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 17:23

General

  • Target

    31eb978c2dab361cb24761cfbf17f247c94c08ced9c0382df0ea8a9609055c69.exe

  • Size

    63KB

  • MD5

    035020dbea613dc4979d696bdf12fcdd

  • SHA1

    fb8c19498483369aae2934345f9d930fae9134f8

  • SHA256

    31eb978c2dab361cb24761cfbf17f247c94c08ced9c0382df0ea8a9609055c69

  • SHA512

    2c15c930604341f403042d690ca6234c048e6b1e6b151e5b8f25cf4266cec6de069d846746de62712ec573fdcc45d8b1e094aad975d2c4ec08816eda2568271d

  • SSDEEP

    1536:4SXXo8gI65DI+W7662UQigBztMoiP+flcVQX5Zgl2K3:4SXXobI658+ftsu6VQXgP3

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 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31eb978c2dab361cb24761cfbf17f247c94c08ced9c0382df0ea8a9609055c69.exe
    "C:\Users\Admin\AppData\Local\Temp\31eb978c2dab361cb24761cfbf17f247c94c08ced9c0382df0ea8a9609055c69.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3124
    • 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=31eb978c2dab361cb24761cfbf17f247c94c08ced9c0382df0ea8a9609055c69.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:1928
      • 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,0x100,0x104,0xf8,0x108,0x7ffc1dbe46f8,0x7ffc1dbe4708,0x7ffc1dbe4718
        3⤵
          PID:384
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
          3⤵
            PID:1652
          • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2352 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3732
          • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
            3⤵
              PID:220
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --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=3168 /prefetch:1
              3⤵
                PID:424
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --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=3824 /prefetch:1
                3⤵
                  PID:736
                • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5272 /prefetch:8
                  3⤵
                    PID:2568
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5460 /prefetch:1
                    3⤵
                      PID:2680
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --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=5200 /prefetch:1
                      3⤵
                        PID:1568
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --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=3932 /prefetch:1
                        3⤵
                          PID:4272
                        • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5748 /prefetch:8
                          3⤵
                            PID:3108
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --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=5956 /prefetch:1
                            3⤵
                              PID:2460
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --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=6312 /prefetch:1
                              3⤵
                                PID:3776
                              • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5568 /prefetch:8
                                3⤵
                                  PID:4856
                                • 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:4392
                                  • 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,0x7ff744cf5460,0x7ff744cf5470,0x7ff744cf5480
                                    4⤵
                                      PID:3216
                                  • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5568 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4528
                                  • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1776 /prefetch:8
                                    3⤵
                                      PID:3884
                                    • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1284 /prefetch:8
                                      3⤵
                                        PID:3260
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,12268945956747987030,7586703563996799227,131072 --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=3260 /prefetch:2
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:4556
                                      • 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=2116,12268945956747987030,7586703563996799227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3264 /prefetch:8
                                        3⤵
                                          PID:8
                                      • 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=31eb978c2dab361cb24761cfbf17f247c94c08ced9c0382df0ea8a9609055c69.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                        2⤵
                                          PID:2068
                                          • 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,0x100,0x104,0xd8,0x108,0x7ffc1dbe46f8,0x7ffc1dbe4708,0x7ffc1dbe4718
                                            3⤵
                                              PID:2100
                                        • C:\Windows\System32\CompPkgSrv.exe
                                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                                          1⤵
                                            PID:3440

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

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

                                            152B

                                            MD5

                                            b8814439123c54cbc8e61bb010a24511

                                            SHA1

                                            403ad16668fc85e4ef366f00749eaec0f88b94b0

                                            SHA256

                                            ee60f00dcded0ed07c9c88d582efde48ddc73d1f1a28081d5e2dea006c4ac894

                                            SHA512

                                            de05eaa43d562783009cb1ade9c87f3d1b1020c951067d2f95dbab698b5f35271790bb9a547dd30cacf68783e09a4bdd1dfbfcf8cf53343b132b9c3d6c4d2800

                                          • \??\pipe\LOCAL\crashpad_1928_ZIEFVPCCTSRNCVVF
                                            MD5

                                            d41d8cd98f00b204e9800998ecf8427e

                                            SHA1

                                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                                            SHA256

                                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                            SHA512

                                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                          • memory/8-170-0x0000000000000000-mapping.dmp
                                          • memory/220-139-0x0000000000000000-mapping.dmp
                                          • memory/384-133-0x0000000000000000-mapping.dmp
                                          • memory/424-141-0x0000000000000000-mapping.dmp
                                          • memory/736-143-0x0000000000000000-mapping.dmp
                                          • memory/1568-149-0x0000000000000000-mapping.dmp
                                          • memory/1652-135-0x0000000000000000-mapping.dmp
                                          • memory/1928-132-0x0000000000000000-mapping.dmp
                                          • memory/2068-154-0x0000000000000000-mapping.dmp
                                          • memory/2100-155-0x0000000000000000-mapping.dmp
                                          • memory/2460-158-0x0000000000000000-mapping.dmp
                                          • memory/2568-145-0x0000000000000000-mapping.dmp
                                          • memory/2680-147-0x0000000000000000-mapping.dmp
                                          • memory/3108-153-0x0000000000000000-mapping.dmp
                                          • memory/3216-162-0x0000000000000000-mapping.dmp
                                          • memory/3260-167-0x0000000000000000-mapping.dmp
                                          • memory/3732-136-0x0000000000000000-mapping.dmp
                                          • memory/3776-160-0x0000000000000000-mapping.dmp
                                          • memory/3884-165-0x0000000000000000-mapping.dmp
                                          • memory/4272-151-0x0000000000000000-mapping.dmp
                                          • memory/4392-161-0x0000000000000000-mapping.dmp
                                          • memory/4528-163-0x0000000000000000-mapping.dmp
                                          • memory/4556-168-0x0000000000000000-mapping.dmp