Analysis

  • max time kernel
    126s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-07-2022 17:40

General

  • Target

    https://biosealnet-shareddrives-0utl00k.firebaseapp.com/?email

Malware Config

Signatures

  • Detected adobe phishing page
  • Adds Run key to start application 2 TTPs 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 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c start microsoft-edge:https://biosealnet-shareddrives-0utl00k.firebaseapp.com/?email
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument microsoft-edge:https://biosealnet-shareddrives-0utl00k.firebaseapp.com/?email
      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:872
      • 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,0x100,0xb0,0x104,0x7ff9b71546f8,0x7ff9b7154708,0x7ff9b7154718
        3⤵
          PID:3580
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2112 /prefetch:2
          3⤵
            PID:4688
          • 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=2100,2911681553540935956,1203333588145695636,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2400 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2112
          • 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=2100,2911681553540935956,1203333588145695636,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2676 /prefetch:8
            3⤵
              PID:5112
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --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=3496 /prefetch:1
              3⤵
                PID:764
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --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=3504 /prefetch:1
                3⤵
                  PID:2604
                • 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=2100,2911681553540935956,1203333588145695636,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5012 /prefetch:8
                  3⤵
                    PID:2300
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --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=5184 /prefetch:1
                    3⤵
                      PID:2864
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --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=5488 /prefetch:1
                      3⤵
                        PID:2968
                      • 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=2100,2911681553540935956,1203333588145695636,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5960 /prefetch:8
                        3⤵
                          PID:3016
                        • 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=2100,2911681553540935956,1203333588145695636,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6020 /prefetch:8
                          3⤵
                            PID:4884
                          • 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=2100,2911681553540935956,1203333588145695636,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6020 /prefetch:8
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1152
                          • 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:4124
                            • 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,0x7ff7a3075460,0x7ff7a3075470,0x7ff7a3075480
                              4⤵
                                PID:2052
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --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=5424 /prefetch:1
                              3⤵
                                PID:4532
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --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=5436 /prefetch:1
                                3⤵
                                  PID:716
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5240 /prefetch:1
                                  3⤵
                                    PID:404
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,2911681553540935956,1203333588145695636,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4472 /prefetch:1
                                    3⤵
                                      PID:1304
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:4260

                                  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

                                  • \??\pipe\LOCAL\crashpad_872_QYJFZXOTYQRHUZUD
                                    MD5

                                    d41d8cd98f00b204e9800998ecf8427e

                                    SHA1

                                    da39a3ee5e6b4b0d3255bfef95601890afd80709

                                    SHA256

                                    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                    SHA512

                                    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                  • memory/404-158-0x0000000000000000-mapping.dmp
                                  • memory/716-156-0x0000000000000000-mapping.dmp
                                  • memory/764-139-0x0000000000000000-mapping.dmp
                                  • memory/872-130-0x0000000000000000-mapping.dmp
                                  • memory/1152-150-0x0000000000000000-mapping.dmp
                                  • memory/1304-160-0x0000000000000000-mapping.dmp
                                  • memory/2052-152-0x0000000000000000-mapping.dmp
                                  • memory/2112-134-0x0000000000000000-mapping.dmp
                                  • memory/2300-143-0x0000000000000000-mapping.dmp
                                  • memory/2604-141-0x0000000000000000-mapping.dmp
                                  • memory/2864-145-0x0000000000000000-mapping.dmp
                                  • memory/2968-147-0x0000000000000000-mapping.dmp
                                  • memory/3016-149-0x0000000000000000-mapping.dmp
                                  • memory/3580-131-0x0000000000000000-mapping.dmp
                                  • memory/4124-151-0x0000000000000000-mapping.dmp
                                  • memory/4532-154-0x0000000000000000-mapping.dmp
                                  • memory/4688-133-0x0000000000000000-mapping.dmp
                                  • memory/5112-137-0x0000000000000000-mapping.dmp