Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 09:09

General

  • Target

    b4393a47cc1a2537a69d8c085b4b21a121ec542f036189073b77cb2b0ca3d1de.exe

  • Size

    64KB

  • MD5

    0374a1e69a244223bf8b704634279c40

  • SHA1

    02e3f58a1d3131ba422e260e4b07498a563e7d3a

  • SHA256

    b4393a47cc1a2537a69d8c085b4b21a121ec542f036189073b77cb2b0ca3d1de

  • SHA512

    4a952a35ae3deb123fa0a6022fdfff01715ae8a0d71566576b64082b3289a79d3db26c9c990bb3b0fab1ee734cf2eb5cf62e7de1ee2a80085e94ae0d82a98401

  • SSDEEP

    768:EknYgtFvqTOYqnow+F0gJCzA+gNVM2oA+czd7ZR/N4PQCc+7QN0h8BHq00:EkoxWoTWA+n2P+gZZv1Cc+7QN0Q

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\b4393a47cc1a2537a69d8c085b4b21a121ec542f036189073b77cb2b0ca3d1de.exe
    "C:\Users\Admin\AppData\Local\Temp\b4393a47cc1a2537a69d8c085b4b21a121ec542f036189073b77cb2b0ca3d1de.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2356
    • 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=b4393a47cc1a2537a69d8c085b4b21a121ec542f036189073b77cb2b0ca3d1de.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:4508
      • 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,0x100,0xd4,0x104,0x7ffb800146f8,0x7ffb80014708,0x7ffb80014718
        3⤵
          PID:948
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
          3⤵
            PID:2520
          • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2280 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3212
          • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2720 /prefetch:8
            3⤵
              PID:3656
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=3352 /prefetch:1
              3⤵
                PID:1136
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=3360 /prefetch:1
                3⤵
                  PID:4288
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=4824 /prefetch:1
                  3⤵
                    PID:1496
                  • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5644 /prefetch:8
                    3⤵
                      PID:4584
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=5900 /prefetch:1
                      3⤵
                        PID:3528
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=5992 /prefetch:1
                        3⤵
                          PID:4340
                        • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6132 /prefetch:8
                          3⤵
                            PID:1464
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=4044 /prefetch:1
                            3⤵
                              PID:3256
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=3360 /prefetch:1
                              3⤵
                                PID:4408
                              • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6980 /prefetch:8
                                3⤵
                                  PID:1200
                                • 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:4200
                                  • 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,0x7ff7999e5460,0x7ff7999e5470,0x7ff7999e5480
                                    4⤵
                                      PID:1704
                                  • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6980 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2760
                                  • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5152 /prefetch:8
                                    3⤵
                                      PID:4520
                                    • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5136 /prefetch:8
                                      3⤵
                                        PID:3996
                                      • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1836 /prefetch:8
                                        3⤵
                                          PID:4036
                                        • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3184 /prefetch:8
                                          3⤵
                                            PID:756
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1492,2139275225992503240,16467561992188427227,131072 --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=3152 /prefetch:2
                                            3⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:1700
                                          • 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=1492,2139275225992503240,16467561992188427227,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6828 /prefetch:8
                                            3⤵
                                              PID:744
                                          • 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=b4393a47cc1a2537a69d8c085b4b21a121ec542f036189073b77cb2b0ca3d1de.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                            2⤵
                                              PID:4208
                                              • 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,0x100,0x104,0xd8,0x108,0x7ffb800146f8,0x7ffb80014708,0x7ffb80014718
                                                3⤵
                                                  PID:5112
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:1220

                                              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

                                                c874ca5fa1b38ed3094f05c9aa8a14e6

                                                SHA1

                                                2a36112a5b5f8a65fdefe6642d1231dfb17e30bb

                                                SHA256

                                                5821e8f0d7fa9e3b9dfbd53fd5becd380a8d3efdfcd6c787b76dd764a06df480

                                                SHA512

                                                82a38cd7ec1afc2dbf64cc5b99c21e86288da8a3b872ab09c660041cc43759e569971e42dfc6d281b23f53eb800c8d08b8daf656c03d65d087cd2eb54b03e814

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

                                                Filesize

                                                152B

                                                MD5

                                                3b08f1b528c29d84189af5856a7e7de2

                                                SHA1

                                                9223b8adf480bc15af23e3602d9204c75e16d4d2

                                                SHA256

                                                c0747dc84c84fe89a4509d546e2f6ef7778224219f2486a7aca29086261e1e39

                                                SHA512

                                                7c23dd349989bf019f884209bf0ec88745007ef173c89d5b6d441f253babc67eb824b63d9f28784a33800cf1ea421d95bb68e5b37e02f9fe01ddc9381bc551b8

                                              • \??\pipe\LOCAL\crashpad_4508_DMEGYHQOSNTLORNN

                                                MD5

                                                d41d8cd98f00b204e9800998ecf8427e

                                                SHA1

                                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                SHA256

                                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                SHA512

                                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                              • memory/744-177-0x0000000000000000-mapping.dmp

                                              • memory/756-174-0x0000000000000000-mapping.dmp

                                              • memory/948-134-0x0000000000000000-mapping.dmp

                                              • memory/1136-142-0x0000000000000000-mapping.dmp

                                              • memory/1464-159-0x0000000000000000-mapping.dmp

                                              • memory/1496-150-0x0000000000000000-mapping.dmp

                                              • memory/1700-175-0x0000000000000000-mapping.dmp

                                              • memory/1704-165-0x0000000000000000-mapping.dmp

                                              • memory/2356-146-0x0000000000B10000-0x0000000000B24000-memory.dmp

                                                Filesize

                                                80KB

                                              • memory/2356-132-0x0000000000B10000-0x0000000000B24000-memory.dmp

                                                Filesize

                                                80KB

                                              • memory/2520-136-0x0000000000000000-mapping.dmp

                                              • memory/2760-166-0x0000000000000000-mapping.dmp

                                              • memory/3212-137-0x0000000000000000-mapping.dmp

                                              • memory/3256-161-0x0000000000000000-mapping.dmp

                                              • memory/3528-155-0x0000000000000000-mapping.dmp

                                              • memory/3656-140-0x0000000000000000-mapping.dmp

                                              • memory/3996-170-0x0000000000000000-mapping.dmp

                                              • memory/4036-172-0x0000000000000000-mapping.dmp

                                              • memory/4200-164-0x0000000000000000-mapping.dmp

                                              • memory/4208-145-0x0000000000000000-mapping.dmp

                                              • memory/4288-144-0x0000000000000000-mapping.dmp

                                              • memory/4340-157-0x0000000000000000-mapping.dmp

                                              • memory/4408-163-0x0000000000000000-mapping.dmp

                                              • memory/4508-133-0x0000000000000000-mapping.dmp

                                              • memory/4520-168-0x0000000000000000-mapping.dmp

                                              • memory/4584-153-0x0000000000000000-mapping.dmp

                                              • memory/5112-147-0x0000000000000000-mapping.dmp