Analysis

  • max time kernel
    151s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 16:47

General

  • Target

    c3f597797b3f78ed69108465db6fcdbcba2a09b4ddecc449706dd300ef2c2dbb.exe

  • Size

    32KB

  • MD5

    5c884f31ef401c4a127053b8e8390c80

  • SHA1

    39aed4700a1048cbcce34c687ac46fac76237feb

  • SHA256

    c3f597797b3f78ed69108465db6fcdbcba2a09b4ddecc449706dd300ef2c2dbb

  • SHA512

    e4c696e00b40711c766326bee8d9e56b4cbce05386b9ee21ed08f98dc998b1281fa0467c7efa0af74dc469696c3ddb1b9bbd096e807d73f6c9e14ee7ec12986f

  • SSDEEP

    768:v0FTZQonOUND9QHsejRxjEO4N9rlDcNkzkxMoXkZ0:v0FTxVCMejRxjEOarJvzfoUZ

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 11 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\c3f597797b3f78ed69108465db6fcdbcba2a09b4ddecc449706dd300ef2c2dbb.exe
    "C:\Users\Admin\AppData\Local\Temp\c3f597797b3f78ed69108465db6fcdbcba2a09b4ddecc449706dd300ef2c2dbb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2144
    • 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=c3f597797b3f78ed69108465db6fcdbcba2a09b4ddecc449706dd300ef2c2dbb.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:968
      • 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,0x100,0x104,0xf8,0x108,0x7ff8180b46f8,0x7ff8180b4708,0x7ff8180b4718
        3⤵
          PID:1536
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2172 /prefetch:2
          3⤵
            PID:2360
          • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2224 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3980
          • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
            3⤵
              PID:228
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --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=3848 /prefetch:1
              3⤵
                PID:4196
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --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=3856 /prefetch:1
                3⤵
                  PID:4408
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --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=4584 /prefetch:1
                  3⤵
                    PID:1096
                  • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5500 /prefetch:8
                    3⤵
                      PID:3480
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --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=5972 /prefetch:1
                      3⤵
                        PID:4180
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6128 /prefetch:1
                        3⤵
                          PID:4232
                        • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4188 /prefetch:8
                          3⤵
                            PID:2108
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --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=2768 /prefetch:1
                            3⤵
                              PID:308
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4024 /prefetch:1
                              3⤵
                                PID:1584
                              • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6912 /prefetch:8
                                3⤵
                                  PID:3372
                                • 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:4952
                                  • 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,0x7ff67e015460,0x7ff67e015470,0x7ff67e015480
                                    4⤵
                                      PID:432
                                  • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6912 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4392
                                  • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2776 /prefetch:8
                                    3⤵
                                      PID:2892
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,16089970349716334672,7426004694801266947,131072 --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=6232 /prefetch:2
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3860
                                    • 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=2116,16089970349716334672,7426004694801266947,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3736 /prefetch:8
                                      3⤵
                                        PID:4224
                                    • 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=c3f597797b3f78ed69108465db6fcdbcba2a09b4ddecc449706dd300ef2c2dbb.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                      2⤵
                                      • Suspicious use of WriteProcessMemory
                                      PID:1132
                                      • 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,0x100,0xd4,0x104,0x7ff8180b46f8,0x7ff8180b4708,0x7ff8180b4718
                                        3⤵
                                          PID:704
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:2008

                                      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

                                        71b657795f1d63721f304fcf46915016

                                        SHA1

                                        d2cabf753a2b8888642a3a26878e7f47784153b2

                                        SHA256

                                        f6d95ff8ef0a6098a3c31bedf0f623555cf3855bab0142f2350f07eb85832c28

                                        SHA512

                                        dd1d8e6e56463cba11da14b604c4dcedf13e1914c4afab93121f6535a30120e0d907c0129c6eebfc8a0a70a557d2f6d467a24fe0bac960c79519049e1931ea20

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

                                        152B

                                        MD5

                                        71b657795f1d63721f304fcf46915016

                                        SHA1

                                        d2cabf753a2b8888642a3a26878e7f47784153b2

                                        SHA256

                                        f6d95ff8ef0a6098a3c31bedf0f623555cf3855bab0142f2350f07eb85832c28

                                        SHA512

                                        dd1d8e6e56463cba11da14b604c4dcedf13e1914c4afab93121f6535a30120e0d907c0129c6eebfc8a0a70a557d2f6d467a24fe0bac960c79519049e1931ea20

                                      • \??\pipe\LOCAL\crashpad_968_DLFBKSCNCSUZDWPC
                                        MD5

                                        d41d8cd98f00b204e9800998ecf8427e

                                        SHA1

                                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                                        SHA256

                                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                        SHA512

                                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                      • memory/228-141-0x0000000000000000-mapping.dmp
                                      • memory/308-159-0x0000000000000000-mapping.dmp
                                      • memory/432-163-0x0000000000000000-mapping.dmp
                                      • memory/704-138-0x0000000000000000-mapping.dmp
                                      • memory/968-132-0x0000000000000000-mapping.dmp
                                      • memory/1096-149-0x0000000000000000-mapping.dmp
                                      • memory/1132-136-0x0000000000000000-mapping.dmp
                                      • memory/1536-133-0x0000000000000000-mapping.dmp
                                      • memory/1584-161-0x0000000000000000-mapping.dmp
                                      • memory/2108-157-0x0000000000000000-mapping.dmp
                                      • memory/2360-135-0x0000000000000000-mapping.dmp
                                      • memory/2892-166-0x0000000000000000-mapping.dmp
                                      • memory/3480-151-0x0000000000000000-mapping.dmp
                                      • memory/3860-167-0x0000000000000000-mapping.dmp
                                      • memory/3980-137-0x0000000000000000-mapping.dmp
                                      • memory/4180-153-0x0000000000000000-mapping.dmp
                                      • memory/4196-145-0x0000000000000000-mapping.dmp
                                      • memory/4224-169-0x0000000000000000-mapping.dmp
                                      • memory/4232-155-0x0000000000000000-mapping.dmp
                                      • memory/4392-164-0x0000000000000000-mapping.dmp
                                      • memory/4408-147-0x0000000000000000-mapping.dmp
                                      • memory/4952-162-0x0000000000000000-mapping.dmp