Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 11:19

General

  • Target

    8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8.exe

  • Size

    296KB

  • MD5

    58c3ff9a583c50731a73d383e019b1b1

  • SHA1

    d6bcf432e36b9feea86d4ba332b06263822a6411

  • SHA256

    8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8

  • SHA512

    b829b297069f0497ab451febc57c63480f641b8913481bc3b989e67f53ae91ada75393e1c10e1ebe1de32dc5ab3ba0c70cd6c2283ccec928f578813c297f8737

  • SSDEEP

    3072:JheIcHrdOir142th73p8oigrQGe365DBvUB1zA0v1PmMn4SOUKavYrDGw3G+8a1v:9y193mtP2Dtgf+44SNBA3J1ibEIh5pG

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8.exe
    "C:\Users\Admin\AppData\Local\Temp\8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Users\Admin\AppData\Local\Temp\8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8.exe
      C:\Users\Admin\AppData\Local\Temp\8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5092
      • 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=8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        3⤵
        • 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:3520
        • 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,0x100,0xd4,0x104,0x7fffc95346f8,0x7fffc9534708,0x7fffc9534718
          4⤵
            PID:2932
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
            4⤵
              PID:1108
            • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1604
            • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
              4⤵
                PID:2176
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=3852 /prefetch:1
                4⤵
                  PID:1668
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=3000 /prefetch:1
                  4⤵
                    PID:3704
                  • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4924 /prefetch:8
                    4⤵
                      PID:2592
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=5464 /prefetch:1
                      4⤵
                        PID:3700
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=5420 /prefetch:1
                        4⤵
                          PID:1792
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=5068 /prefetch:1
                          4⤵
                            PID:4864
                          • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5764 /prefetch:8
                            4⤵
                              PID:3724
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=5824 /prefetch:1
                              4⤵
                                PID:4328
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=5800 /prefetch:1
                                4⤵
                                  PID:5012
                                • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3948 /prefetch:8
                                  4⤵
                                    PID:4596
                                  • 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
                                    4⤵
                                    • Drops file in Program Files directory
                                    PID:3500
                                    • 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,0x7ff7d53f5460,0x7ff7d53f5470,0x7ff7d53f5480
                                      5⤵
                                        PID:4480
                                    • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3948 /prefetch:8
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4784
                                    • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2880 /prefetch:8
                                      4⤵
                                        PID:3428
                                      • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
                                        4⤵
                                          PID:2244
                                        • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5140 /prefetch:8
                                          4⤵
                                            PID:3604
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,16395654556914944335,3250566208537907190,131072 --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=1876 /prefetch:2
                                            4⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:3380
                                          • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1272 /prefetch:8
                                            4⤵
                                              PID:2548
                                            • 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=2172,16395654556914944335,3250566208537907190,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2804 /prefetch:8
                                              4⤵
                                                PID:3404
                                            • 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=8bf979e7741f483a14855733e214181ca08b5afb89b75f9ee61735c2aa37bdf8.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                              3⤵
                                                PID:2828
                                                • 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=0x100,0x104,0x108,0xdc,0x10c,0x7fffc95346f8,0x7fffc9534708,0x7fffc9534718
                                                  4⤵
                                                    PID:3404
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:4184

                                              Network

                                              MITRE ATT&CK Matrix ATT&CK v6

                                              Persistence

                                              Registry Run Keys / Startup Folder

                                              1
                                              T1060

                                              Defense Evasion

                                              Modify Registry

                                              1
                                              T1112

                                              Discovery

                                              System Information Discovery

                                              2
                                              T1082

                                              Query Registry

                                              1
                                              T1012

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

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

                                                152B

                                                MD5

                                                66bc9611dd085dd5e1366c94b84456cd

                                                SHA1

                                                613339f5891bf2c9e54ef565c54eb18be42d65fb

                                                SHA256

                                                27b4949b239ca2e2ce7812dd455868d97ce9c4851bb46eb0d7d5827285dd6c22

                                                SHA512

                                                196973df9961ef3c91af4836cabe58b6e7df8aa410867ec6769b1407eea99532faf7c6efd351d4ef81f0ab12527756fd146fbe02220c93b9ced8368bd0488be6

                                              • \??\pipe\LOCAL\crashpad_3520_QIHXEZEWJMXMPXVK
                                                MD5

                                                d41d8cd98f00b204e9800998ecf8427e

                                                SHA1

                                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                SHA256

                                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                SHA512

                                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                              • memory/1108-144-0x0000000000000000-mapping.dmp
                                              • memory/1604-145-0x0000000000000000-mapping.dmp
                                              • memory/1668-150-0x0000000000000000-mapping.dmp
                                              • memory/1792-161-0x0000000000000000-mapping.dmp
                                              • memory/2176-148-0x0000000000000000-mapping.dmp
                                              • memory/2244-176-0x0000000000000000-mapping.dmp
                                              • memory/2548-181-0x0000000000000000-mapping.dmp
                                              • memory/2592-154-0x0000000000000000-mapping.dmp
                                              • memory/2828-157-0x0000000000000000-mapping.dmp
                                              • memory/2932-142-0x0000000000000000-mapping.dmp
                                              • memory/3380-179-0x0000000000000000-mapping.dmp
                                              • memory/3404-183-0x0000000000000000-mapping.dmp
                                              • memory/3404-158-0x0000000000000000-mapping.dmp
                                              • memory/3428-174-0x0000000000000000-mapping.dmp
                                              • memory/3500-170-0x0000000000000000-mapping.dmp
                                              • memory/3520-141-0x0000000000000000-mapping.dmp
                                              • memory/3604-178-0x0000000000000000-mapping.dmp
                                              • memory/3700-156-0x0000000000000000-mapping.dmp
                                              • memory/3704-152-0x0000000000000000-mapping.dmp
                                              • memory/3724-165-0x0000000000000000-mapping.dmp
                                              • memory/3868-134-0x0000000000400000-0x0000000000411000-memory.dmp
                                                Filesize

                                                68KB

                                              • memory/3868-140-0x0000000000400000-0x0000000000411000-memory.dmp
                                                Filesize

                                                68KB

                                              • memory/4328-167-0x0000000000000000-mapping.dmp
                                              • memory/4480-171-0x0000000000000000-mapping.dmp
                                              • memory/4784-172-0x0000000000000000-mapping.dmp
                                              • memory/4864-163-0x0000000000000000-mapping.dmp
                                              • memory/5012-169-0x0000000000000000-mapping.dmp
                                              • memory/5092-136-0x0000000000400000-0x0000000000444000-memory.dmp
                                                Filesize

                                                272KB

                                              • memory/5092-137-0x0000000000400000-0x0000000000444000-memory.dmp
                                                Filesize

                                                272KB

                                              • memory/5092-138-0x0000000000400000-0x0000000000444000-memory.dmp
                                                Filesize

                                                272KB

                                              • memory/5092-135-0x0000000000000000-mapping.dmp