Analysis

  • max time kernel
    152s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 22:50

General

  • Target

    c31201d58c125afdfabea3e0a17f937c1116e867bfa879b93f3f7957be463a23.exe

  • Size

    40KB

  • MD5

    08e9b0c3cc3406bfe975af62366d1d93

  • SHA1

    4ed5026c02690515819d426f72bac8bdc3374679

  • SHA256

    c31201d58c125afdfabea3e0a17f937c1116e867bfa879b93f3f7957be463a23

  • SHA512

    ff16fa25983b53db5d74fa9a436a9e1108a4a8f8d15f2ab3fef0da05c9ec15538b5e043333a1e9ff6ba12dbb87c911f92a8d0a84b23338d322839046f8f852ac

  • SSDEEP

    384:zQGRsbej2OuJdaOoDgsbMgoX84eywEpmFX9ldE1J9k4jbnjRXyhsiP:NFjpOegsb8X84vfSXqr5zjRChP

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\c31201d58c125afdfabea3e0a17f937c1116e867bfa879b93f3f7957be463a23.exe
    "C:\Users\Admin\AppData\Local\Temp\c31201d58c125afdfabea3e0a17f937c1116e867bfa879b93f3f7957be463a23.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3612
    • 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=c31201d58c125afdfabea3e0a17f937c1116e867bfa879b93f3f7957be463a23.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:4268
      • 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,0x100,0xd4,0x104,0x7ffe4f3346f8,0x7ffe4f334708,0x7ffe4f334718
        3⤵
          PID:4328
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
          3⤵
            PID:2768
          • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2256 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1448
          • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2748 /prefetch:8
            3⤵
              PID:3468
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=3356 /prefetch:1
              3⤵
                PID:4420
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=3364 /prefetch:1
                3⤵
                  PID:4756
                • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4992 /prefetch:8
                  3⤵
                    PID:4036
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=5164 /prefetch:1
                    3⤵
                      PID:4484
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=3636 /prefetch:1
                      3⤵
                        PID:4496
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=4164 /prefetch:1
                        3⤵
                          PID:1376
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=3984 /prefetch:1
                          3⤵
                            PID:2580
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=6268 /prefetch:1
                            3⤵
                              PID:2176
                            • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5272 /prefetch:8
                              3⤵
                                PID:4452
                              • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6944 /prefetch:8
                                3⤵
                                  PID:2508
                                • 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:2828
                                  • 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,0x7ff75ea65460,0x7ff75ea65470,0x7ff75ea65480
                                    4⤵
                                      PID:3584
                                  • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6944 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:5072
                                  • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6748 /prefetch:8
                                    3⤵
                                      PID:2548
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,17688739008269702532,18120563086769364950,131072 --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=6580 /prefetch:2
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3168
                                    • 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=2136,17688739008269702532,18120563086769364950,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6680 /prefetch:8
                                      3⤵
                                        PID:3280
                                    • 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=c31201d58c125afdfabea3e0a17f937c1116e867bfa879b93f3f7957be463a23.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                      2⤵
                                        PID:4320
                                        • 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,0x100,0x104,0xe0,0x108,0x7ffe4f3346f8,0x7ffe4f334708,0x7ffe4f334718
                                          3⤵
                                            PID:2748
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:2508

                                        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

                                          9cc113cab81df2ff66421c3dd6bf4d31

                                          SHA1

                                          c1e1b1e2f007732c8c79eedac889b7312b08990e

                                          SHA256

                                          48438eda8d47a465f7aa67c36937ec174be450bea6b501e2fc1cc929c917e2ea

                                          SHA512

                                          e069f0cbd04f3fc91824df48f247e1542c6858cc3cf3dd4f16c26258beac2f7aa256bad6cdda3b2cef916afd186b269375a43013138fbc795f22c1367c799a2b

                                        • \??\pipe\LOCAL\crashpad_4268_XDXHUKQADYWDSAZN
                                          MD5

                                          d41d8cd98f00b204e9800998ecf8427e

                                          SHA1

                                          da39a3ee5e6b4b0d3255bfef95601890afd80709

                                          SHA256

                                          e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                          SHA512

                                          cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                        • memory/1376-154-0x0000000000000000-mapping.dmp
                                        • memory/1448-136-0x0000000000000000-mapping.dmp
                                        • memory/2176-158-0x0000000000000000-mapping.dmp
                                        • memory/2548-165-0x0000000000000000-mapping.dmp
                                        • memory/2580-156-0x0000000000000000-mapping.dmp
                                        • memory/2748-149-0x0000000000000000-mapping.dmp
                                        • memory/2768-135-0x0000000000000000-mapping.dmp
                                        • memory/2828-161-0x0000000000000000-mapping.dmp
                                        • memory/3168-166-0x0000000000000000-mapping.dmp
                                        • memory/3280-168-0x0000000000000000-mapping.dmp
                                        • memory/3468-139-0x0000000000000000-mapping.dmp
                                        • memory/3584-162-0x0000000000000000-mapping.dmp
                                        • memory/4036-145-0x0000000000000000-mapping.dmp
                                        • memory/4268-132-0x0000000000000000-mapping.dmp
                                        • memory/4320-148-0x0000000000000000-mapping.dmp
                                        • memory/4328-133-0x0000000000000000-mapping.dmp
                                        • memory/4420-141-0x0000000000000000-mapping.dmp
                                        • memory/4452-160-0x0000000000000000-mapping.dmp
                                        • memory/4484-147-0x0000000000000000-mapping.dmp
                                        • memory/4496-152-0x0000000000000000-mapping.dmp
                                        • memory/4756-143-0x0000000000000000-mapping.dmp
                                        • memory/5072-163-0x0000000000000000-mapping.dmp