Analysis

  • max time kernel
    151s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-10-2022 18:20

General

  • Target

    4c552e302239b0e1ffc6d75f82550af209738e7a989220b6d3cb6afaefc6db25.exe

  • Size

    1006KB

  • MD5

    84681de601a5f42cfe5eb57f58093b79

  • SHA1

    47d6f3959f912334f62cd0b1fe8919ef0ac476d3

  • SHA256

    4c552e302239b0e1ffc6d75f82550af209738e7a989220b6d3cb6afaefc6db25

  • SHA512

    a78d266a0903ae75f07a306b9d112f3329e4b36e14c91cb06bcea61cf922935d5ab2472d067980b2a7cb8780dd5cf16aa03ffffcde485c2f9be113505a4daf20

  • SSDEEP

    24576:3SXXyotjt7k9Ky7AJHdizL27gR9MLkvmdKQw5:CHyobVIaCvaLetQw5

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 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c552e302239b0e1ffc6d75f82550af209738e7a989220b6d3cb6afaefc6db25.exe
    "C:\Users\Admin\AppData\Local\Temp\4c552e302239b0e1ffc6d75f82550af209738e7a989220b6d3cb6afaefc6db25.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1112
    • 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=4c552e302239b0e1ffc6d75f82550af209738e7a989220b6d3cb6afaefc6db25.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5036
      • 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=0xb0,0xdc,0x100,0x40,0x104,0x7ff8349246f8,0x7ff834924708,0x7ff834924718
        3⤵
          PID:4964
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,14337055546088675997,16869939501207822669,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
          3⤵
            PID:4452
          • 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=2076,14337055546088675997,16869939501207822669,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2216 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4596
        • 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=4c552e302239b0e1ffc6d75f82550af209738e7a989220b6d3cb6afaefc6db25.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:3140
          • 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=0x110,0x114,0x118,0xec,0x11c,0x7ff8349246f8,0x7ff834924708,0x7ff834924718
            3⤵
              PID:2016
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2364 /prefetch:2
              3⤵
                PID:4296
              • 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=2172,6213785168052998494,15381263632617923114,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2416 /prefetch:3
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4540
              • 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=2172,6213785168052998494,15381263632617923114,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2828 /prefetch:8
                3⤵
                  PID:1560
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --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=3324 /prefetch:1
                  3⤵
                    PID:2456
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --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=3336 /prefetch:1
                    3⤵
                      PID:1888
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --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=4020 /prefetch:1
                      3⤵
                        PID:3996
                      • 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=2172,6213785168052998494,15381263632617923114,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5092 /prefetch:8
                        3⤵
                          PID:3312
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --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=5656 /prefetch:1
                          3⤵
                            PID:1996
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --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=5692 /prefetch:1
                            3⤵
                              PID:2500
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --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=3664 /prefetch:1
                              3⤵
                                PID:2632
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3640 /prefetch:1
                                3⤵
                                  PID:3660
                                • 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=2172,6213785168052998494,15381263632617923114,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6712 /prefetch:8
                                  3⤵
                                    PID:1804
                                  • 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: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" --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,0x7ff6b9a65460,0x7ff6b9a65470,0x7ff6b9a65480
                                      4⤵
                                        PID:1948
                                    • 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=2172,6213785168052998494,15381263632617923114,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6712 /prefetch:8
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4132
                                    • 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=2172,6213785168052998494,15381263632617923114,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5100 /prefetch:8
                                      3⤵
                                        PID:4068
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,6213785168052998494,15381263632617923114,131072 --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=3348 /prefetch:2
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:4192
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:856

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

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

                                      Filesize

                                      152B

                                      MD5

                                      727230d7b0f8df1633bc043529f5c15d

                                      SHA1

                                      5b24d959d4c5dcf8125125dbee37225d6160af18

                                      SHA256

                                      54961bcb62812886877fcd3ad3896891099cc4bddc51ea6f07a606cf5124d998

                                      SHA512

                                      35735f0dadf7ee69bcccd5e9120d6a55db39138eff58acbe4ea8116fb007c54a024028dccd5f25856ffcf33e1f3bdccfd8d0e2527130a16351debb04c27b8df9

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

                                      Filesize

                                      152B

                                      MD5

                                      727230d7b0f8df1633bc043529f5c15d

                                      SHA1

                                      5b24d959d4c5dcf8125125dbee37225d6160af18

                                      SHA256

                                      54961bcb62812886877fcd3ad3896891099cc4bddc51ea6f07a606cf5124d998

                                      SHA512

                                      35735f0dadf7ee69bcccd5e9120d6a55db39138eff58acbe4ea8116fb007c54a024028dccd5f25856ffcf33e1f3bdccfd8d0e2527130a16351debb04c27b8df9

                                    • 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

                                      Filesize

                                      152B

                                      MD5

                                      7b4b103831d353776ed8bfcc7676f9df

                                      SHA1

                                      40f33a3f791fda49a35224a469cc67b94ca53a23

                                      SHA256

                                      bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                      SHA512

                                      5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                                    • 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\Local State

                                      Filesize

                                      2KB

                                      MD5

                                      384c4b3dc42cc40b3aefa9610cd21ef9

                                      SHA1

                                      63651151ccfd32ed858d8eb8a4f580de977a5625

                                      SHA256

                                      8158f4fcd4717d56acc595a38cf8c8fc968ea5ce242beb183c22f01dac6a37ee

                                      SHA512

                                      3f1d40a706e162de5b2a214173768e3965fc2b7f8ec300831bdcc42c34d84b6aa9f44b04f2c45226e12be5e797dd443e49f777ff6bc212eeacd6cec92caccbb4