Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 05:07

General

  • Target

    a525c58de1f688bf7728bf5634ece31e6badd88e72b70610a19111707e53550c.exe

  • Size

    3KB

  • MD5

    112f6d2da3baf954c3d67bd3cbec4f70

  • SHA1

    84ac4289b705fd03feb526bb13a5f370081f661a

  • SHA256

    a525c58de1f688bf7728bf5634ece31e6badd88e72b70610a19111707e53550c

  • SHA512

    116c421e8c2bde77b7079d114df4a9927d190aee0e8095584a107e57c0ca6b562344e9093bc7c2db2c6fbcbd4b8829cf3327ea95b59ac5b9c68759405084bd15

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\a525c58de1f688bf7728bf5634ece31e6badd88e72b70610a19111707e53550c.exe
    "C:\Users\Admin\AppData\Local\Temp\a525c58de1f688bf7728bf5634ece31e6badd88e72b70610a19111707e53550c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • 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=a525c58de1f688bf7728bf5634ece31e6badd88e72b70610a19111707e53550c.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:3992
      • 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,0x7ffe954246f8,0x7ffe95424708,0x7ffe95424718
        3⤵
          PID:816
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
          3⤵
            PID:4560
          • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2424 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1056
          • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2724 /prefetch:8
            3⤵
              PID:2564
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=3308 /prefetch:1
              3⤵
                PID:4324
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=2028 /prefetch:1
                3⤵
                  PID:4712
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=5280 /prefetch:1
                  3⤵
                    PID:728
                  • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5288 /prefetch:8
                    3⤵
                      PID:3112
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=5460 /prefetch:1
                      3⤵
                        PID:3564
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=3760 /prefetch:1
                        3⤵
                          PID:4008
                        • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5316 /prefetch:8
                          3⤵
                            PID:5032
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=5940 /prefetch:1
                            3⤵
                              PID:1204
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=5956 /prefetch:1
                              3⤵
                                PID:3404
                              • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3620 /prefetch:8
                                3⤵
                                  PID:3884
                                • 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:4480
                                  • 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,0x7ff62d245460,0x7ff62d245470,0x7ff62d245480
                                    4⤵
                                      PID:456
                                  • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3620 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4564
                                  • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3832 /prefetch:8
                                    3⤵
                                      PID:2440
                                    • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3852 /prefetch:8
                                      3⤵
                                        PID:4272
                                      • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1456 /prefetch:8
                                        3⤵
                                          PID:3512
                                        • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4904 /prefetch:8
                                          3⤵
                                            PID:3136
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,1464791227630696364,2436936600074900815,131072 --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=3132 /prefetch:2
                                            3⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:2008
                                          • 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=2108,1464791227630696364,2436936600074900815,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
                                            3⤵
                                              PID:856
                                          • 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=a525c58de1f688bf7728bf5634ece31e6badd88e72b70610a19111707e53550c.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                            2⤵
                                              PID:3916
                                              • 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,0x100,0xd4,0x104,0x7ffe954246f8,0x7ffe95424708,0x7ffe95424718
                                                3⤵
                                                  PID:4152
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:5076

                                              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

                                                b8814439123c54cbc8e61bb010a24511

                                                SHA1

                                                403ad16668fc85e4ef366f00749eaec0f88b94b0

                                                SHA256

                                                ee60f00dcded0ed07c9c88d582efde48ddc73d1f1a28081d5e2dea006c4ac894

                                                SHA512

                                                de05eaa43d562783009cb1ade9c87f3d1b1020c951067d2f95dbab698b5f35271790bb9a547dd30cacf68783e09a4bdd1dfbfcf8cf53343b132b9c3d6c4d2800

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

                                                Filesize

                                                152B

                                                MD5

                                                b8814439123c54cbc8e61bb010a24511

                                                SHA1

                                                403ad16668fc85e4ef366f00749eaec0f88b94b0

                                                SHA256

                                                ee60f00dcded0ed07c9c88d582efde48ddc73d1f1a28081d5e2dea006c4ac894

                                                SHA512

                                                de05eaa43d562783009cb1ade9c87f3d1b1020c951067d2f95dbab698b5f35271790bb9a547dd30cacf68783e09a4bdd1dfbfcf8cf53343b132b9c3d6c4d2800

                                              • \??\pipe\LOCAL\crashpad_3992_HBFCQXLNLVKYILYW

                                                MD5

                                                d41d8cd98f00b204e9800998ecf8427e

                                                SHA1

                                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                SHA256

                                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                SHA512

                                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                              • memory/456-165-0x0000000000000000-mapping.dmp

                                              • memory/632-139-0x0000000000400000-0x0000000000413000-memory.dmp

                                                Filesize

                                                76KB

                                              • memory/632-132-0x0000000000400000-0x0000000000413000-memory.dmp

                                                Filesize

                                                76KB

                                              • memory/728-151-0x0000000000000000-mapping.dmp

                                              • memory/816-134-0x0000000000000000-mapping.dmp

                                              • memory/856-177-0x0000000000000000-mapping.dmp

                                              • memory/1056-137-0x0000000000000000-mapping.dmp

                                              • memory/1204-161-0x0000000000000000-mapping.dmp

                                              • memory/2008-175-0x0000000000000000-mapping.dmp

                                              • memory/2440-168-0x0000000000000000-mapping.dmp

                                              • memory/2564-141-0x0000000000000000-mapping.dmp

                                              • memory/3112-153-0x0000000000000000-mapping.dmp

                                              • memory/3136-174-0x0000000000000000-mapping.dmp

                                              • memory/3404-163-0x0000000000000000-mapping.dmp

                                              • memory/3512-172-0x0000000000000000-mapping.dmp

                                              • memory/3564-155-0x0000000000000000-mapping.dmp

                                              • memory/3916-146-0x0000000000000000-mapping.dmp

                                              • memory/3992-133-0x0000000000000000-mapping.dmp

                                              • memory/4008-157-0x0000000000000000-mapping.dmp

                                              • memory/4152-147-0x0000000000000000-mapping.dmp

                                              • memory/4272-170-0x0000000000000000-mapping.dmp

                                              • memory/4324-143-0x0000000000000000-mapping.dmp

                                              • memory/4480-164-0x0000000000000000-mapping.dmp

                                              • memory/4560-136-0x0000000000000000-mapping.dmp

                                              • memory/4564-166-0x0000000000000000-mapping.dmp

                                              • memory/4712-145-0x0000000000000000-mapping.dmp

                                              • memory/5032-159-0x0000000000000000-mapping.dmp