Analysis

  • max time kernel
    166s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 18:40

General

  • Target

    bfebe495e7f5a945c1a9a052acd8ed8dfa081e6de15dc97da65a67cce2ef80e6.exe

  • Size

    4.8MB

  • MD5

    67db36f75d2eda4f32e7026d12d802c9

  • SHA1

    82bb04782810068f7cc59f5bfa77b193b7645c16

  • SHA256

    bfebe495e7f5a945c1a9a052acd8ed8dfa081e6de15dc97da65a67cce2ef80e6

  • SHA512

    be06ec5844a33d7d8e6d4217233b81539070ad1f93f7cda8d83ba64774c0375e3f9664da8c16eea4b5deff25a7df43c1f5e39d3fb7a565645e7d449de0725d96

  • SSDEEP

    98304:q2cPK8B4b+PI7nhdJh0lyOTDOVkxCL1D/paWLSW+pezcXlo:FCKg4bSIPJhBOOVkxMD/lopeAVo

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\bfebe495e7f5a945c1a9a052acd8ed8dfa081e6de15dc97da65a67cce2ef80e6.exe
    "C:\Users\Admin\AppData\Local\Temp\bfebe495e7f5a945c1a9a052acd8ed8dfa081e6de15dc97da65a67cce2ef80e6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4704
    • 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=bfebe495e7f5a945c1a9a052acd8ed8dfa081e6de15dc97da65a67cce2ef80e6.exe&platform=0009&osver=7&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:2900
      • 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=0x108,0x10c,0x110,0xe4,0x114,0x7ff9072e46f8,0x7ff9072e4708,0x7ff9072e4718
        3⤵
          PID:3036
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
          3⤵
            PID:1296
          • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2028
          • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2656 /prefetch:8
            3⤵
              PID:536
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --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=3296 /prefetch:1
              3⤵
                PID:1412
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --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=3308 /prefetch:1
                3⤵
                  PID:976
                • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4904 /prefetch:8
                  3⤵
                    PID:4780
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --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=5020 /prefetch:1
                    3⤵
                      PID:4832
                    • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5688 /prefetch:8
                      3⤵
                        PID:4488
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --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=5852 /prefetch:1
                        3⤵
                          PID:4512
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5868 /prefetch:1
                          3⤵
                            PID:872
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --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=5072 /prefetch:1
                            3⤵
                              PID:4912
                            • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6224 /prefetch:8
                              3⤵
                                PID:2952
                              • 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:4132
                                • 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,0x7ff611e15460,0x7ff611e15470,0x7ff611e15480
                                  4⤵
                                    PID:3948
                                • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6224 /prefetch:8
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1976
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6088 /prefetch:1
                                  3⤵
                                    PID:3444
                                  • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2932 /prefetch:8
                                    3⤵
                                      PID:668
                                    • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6184 /prefetch:8
                                      3⤵
                                        PID:3312
                                      • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5948 /prefetch:8
                                        3⤵
                                          PID:4128
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,13239112121550169730,17890176059639369004,131072 --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=4968 /prefetch:2
                                          3⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:2740
                                        • 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=2108,13239112121550169730,17890176059639369004,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4876 /prefetch:8
                                          3⤵
                                            PID:1328
                                        • 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=bfebe495e7f5a945c1a9a052acd8ed8dfa081e6de15dc97da65a67cce2ef80e6.exe&platform=0009&osver=7&isServer=0&shimver=4.0.30319.0
                                          2⤵
                                            PID:3260
                                            • 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,0x100,0x104,0xd8,0x108,0x7ff9072e46f8,0x7ff9072e4708,0x7ff9072e4718
                                              3⤵
                                                PID:4076
                                          • C:\Windows\System32\CompPkgSrv.exe
                                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                                            1⤵
                                              PID:3916

                                            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

                                              9cc113cab81df2ff66421c3dd6bf4d31

                                              SHA1

                                              c1e1b1e2f007732c8c79eedac889b7312b08990e

                                              SHA256

                                              48438eda8d47a465f7aa67c36937ec174be450bea6b501e2fc1cc929c917e2ea

                                              SHA512

                                              e069f0cbd04f3fc91824df48f247e1542c6858cc3cf3dd4f16c26258beac2f7aa256bad6cdda3b2cef916afd186b269375a43013138fbc795f22c1367c799a2b

                                            • \??\pipe\LOCAL\crashpad_2900_ESENSZXCIHZESFNJ

                                              MD5

                                              d41d8cd98f00b204e9800998ecf8427e

                                              SHA1

                                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                                              SHA256

                                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                              SHA512

                                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                            • memory/536-139-0x0000000000000000-mapping.dmp

                                            • memory/668-165-0x0000000000000000-mapping.dmp

                                            • memory/872-153-0x0000000000000000-mapping.dmp

                                            • memory/976-143-0x0000000000000000-mapping.dmp

                                            • memory/1296-135-0x0000000000000000-mapping.dmp

                                            • memory/1328-172-0x0000000000000000-mapping.dmp

                                            • memory/1412-141-0x0000000000000000-mapping.dmp

                                            • memory/1976-161-0x0000000000000000-mapping.dmp

                                            • memory/2028-136-0x0000000000000000-mapping.dmp

                                            • memory/2740-170-0x0000000000000000-mapping.dmp

                                            • memory/2900-132-0x0000000000000000-mapping.dmp

                                            • memory/3036-133-0x0000000000000000-mapping.dmp

                                            • memory/3260-154-0x0000000000000000-mapping.dmp

                                            • memory/3312-167-0x0000000000000000-mapping.dmp

                                            • memory/3444-163-0x0000000000000000-mapping.dmp

                                            • memory/3948-160-0x0000000000000000-mapping.dmp

                                            • memory/4076-155-0x0000000000000000-mapping.dmp

                                            • memory/4128-169-0x0000000000000000-mapping.dmp

                                            • memory/4132-159-0x0000000000000000-mapping.dmp

                                            • memory/4488-149-0x0000000000000000-mapping.dmp

                                            • memory/4512-151-0x0000000000000000-mapping.dmp

                                            • memory/4780-145-0x0000000000000000-mapping.dmp

                                            • memory/4832-147-0x0000000000000000-mapping.dmp

                                            • memory/4912-158-0x0000000000000000-mapping.dmp