Analysis

  • max time kernel
    185s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 13:01

General

  • Target

    81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84.exe

  • Size

    143KB

  • MD5

    627fdbd1a8b76cc582f971e05b5cfe20

  • SHA1

    5512858daacb0160bfa84edb4fc3884a6476091a

  • SHA256

    81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84

  • SHA512

    edfad8ae49023a5288a5337c4a55abda4240af378ce1f7c137796ebabd1859d9131fd2ab38b48a3cf688625ca808916ea8537719734146a1478b71501bcb80fc

  • SSDEEP

    3072:2ni+6X6a+6Y+Ow+hJv56X9Re7Yb+vxxlWMN34EGi2x4RseY:2nD6KarVGMXfe7YMxlui2qRo

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 1 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\81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84.exe
    "C:\Users\Admin\AppData\Local\Temp\81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Users\Admin\AppData\Local\Temp\81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84.exe
      C:\Users\Admin\AppData\Local\Temp\81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4644
      • 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=81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        3⤵
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1960
        • 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=0x104,0x108,0x10c,0xe0,0x110,0x7ffa76d946f8,0x7ffa76d94708,0x7ffa76d94718
          4⤵
            PID:3452
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
            4⤵
              PID:2504
            • 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=2140,14184477371093690724,5926689365608950663,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4256
            • 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=2140,14184477371093690724,5926689365608950663,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
              4⤵
                PID:1496
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --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=3336 /prefetch:1
                4⤵
                  PID:1968
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --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=3340 /prefetch:1
                  4⤵
                    PID:1700
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --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=4212 /prefetch:1
                    4⤵
                      PID:3212
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --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=5976 /prefetch:1
                      4⤵
                        PID:1840
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5992 /prefetch:1
                        4⤵
                          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=2140,14184477371093690724,5926689365608950663,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5104 /prefetch:8
                          4⤵
                            PID:2784
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6276 /prefetch:1
                            4⤵
                              PID:1088
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --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=6448 /prefetch:1
                              4⤵
                                PID:1716
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,14184477371093690724,5926689365608950663,131072 --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=1920 /prefetch:2
                                4⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3028
                            • 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=81773d8a2568f634eeb40cd07fb789f62bc85637098e1aeb3512bb8ae2966f84.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                              3⤵
                                PID:4936
                                • 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,0x100,0xd4,0x104,0x7ffa76d946f8,0x7ffa76d94708,0x7ffa76d94718
                                  4⤵
                                    PID:4180
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1928

                              Network

                              MITRE ATT&CK Matrix ATT&CK v6

                              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

                                7b4b103831d353776ed8bfcc7676f9df

                                SHA1

                                40f33a3f791fda49a35224a469cc67b94ca53a23

                                SHA256

                                bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                SHA512

                                5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                              • \??\pipe\LOCAL\crashpad_1960_MSUWDADKLAKFKPMQ
                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                              • memory/1088-162-0x0000000000000000-mapping.dmp
                              • memory/1496-144-0x0000000000000000-mapping.dmp
                              • memory/1700-152-0x0000000000000000-mapping.dmp
                              • memory/1716-164-0x0000000000000000-mapping.dmp
                              • memory/1840-156-0x0000000000000000-mapping.dmp
                              • memory/1960-137-0x0000000000000000-mapping.dmp
                              • memory/1968-150-0x0000000000000000-mapping.dmp
                              • memory/2504-140-0x0000000000000000-mapping.dmp
                              • memory/2784-160-0x0000000000000000-mapping.dmp
                              • memory/3028-165-0x0000000000000000-mapping.dmp
                              • memory/3212-154-0x0000000000000000-mapping.dmp
                              • memory/3452-138-0x0000000000000000-mapping.dmp
                              • memory/4180-146-0x0000000000000000-mapping.dmp
                              • memory/4256-141-0x0000000000000000-mapping.dmp
                              • memory/4644-133-0x0000000000400000-0x0000000000410000-memory.dmp
                                Filesize

                                64KB

                              • memory/4644-136-0x0000000000400000-0x0000000000410000-memory.dmp
                                Filesize

                                64KB

                              • memory/4644-132-0x0000000000000000-mapping.dmp
                              • memory/4720-135-0x0000000000480000-0x0000000000484000-memory.dmp
                                Filesize

                                16KB

                              • memory/4832-158-0x0000000000000000-mapping.dmp
                              • memory/4936-145-0x0000000000000000-mapping.dmp