Analysis

  • max time kernel
    161s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 18:50

General

  • Target

    908-56-0x0000000000080000-0x0000000000088000-memory.exe

  • Size

    32KB

  • MD5

    5f18e038e24b53659afdae2f77fb2ed5

  • SHA1

    584b54d71cd598768128a50f23ea28ae5741ab6c

  • SHA256

    edc13629df67b01f9b5c79cbb45110b7c0adde64c537343d27ef0c12231e7011

  • SHA512

    faf8c537e218b7231805ec069947266543f15867387cc342edb8872f7db2fd228a902e4891b8e3abe85ee9f84ba3b6a1301f406f3948a34c1b3520b649fdec90

  • SSDEEP

    96:A8M4co5EAspdZYHmLG5rUVAVZB/uxOAyKXYHzhlVnme9qw4cCsP0M:AXo5ELtYHmLGeCP/ZIYTJnme9qwFN

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\908-56-0x0000000000080000-0x0000000000088000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\908-56-0x0000000000080000-0x0000000000088000-memory.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4384
    • 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=908-56-0x0000000000080000-0x0000000000088000-memory.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:1904
      • 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,0x100,0xd4,0x104,0x7ff8b42746f8,0x7ff8b4274708,0x7ff8b4274718
        3⤵
          PID:1900
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2144 /prefetch:2
          3⤵
            PID:2224
          • 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=2128,15415628090843922156,7949840062159084434,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2264 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2536
          • 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=2128,15415628090843922156,7949840062159084434,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
            3⤵
              PID:4680
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --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=3368 /prefetch:1
              3⤵
                PID:3400
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --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=3380 /prefetch:1
                3⤵
                  PID:4860
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --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=4848 /prefetch:1
                  3⤵
                    PID:632
                  • 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=2128,15415628090843922156,7949840062159084434,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3960 /prefetch:8
                    3⤵
                      PID:3296
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --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=5928 /prefetch:1
                      3⤵
                        PID:1872
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5944 /prefetch:1
                        3⤵
                          PID:924
                        • 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=2128,15415628090843922156,7949840062159084434,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5444 /prefetch:8
                          3⤵
                            PID:4116
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --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=6580 /prefetch:1
                            3⤵
                              PID:4192
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6484 /prefetch:1
                              3⤵
                                PID:532
                              • 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=2128,15415628090843922156,7949840062159084434,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3448 /prefetch:8
                                3⤵
                                  PID:760
                                • 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: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" --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=0xf0,0xec,0x114,0x108,0x210,0x7ff693385460,0x7ff693385470,0x7ff693385480
                                    4⤵
                                      PID:2964
                                  • 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=2128,15415628090843922156,7949840062159084434,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3448 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3644
                                  • 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=2128,15415628090843922156,7949840062159084434,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3828 /prefetch:8
                                    3⤵
                                      PID:4388
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,15415628090843922156,7949840062159084434,131072 --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=4056 /prefetch:2
                                      3⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:1412
                                  • 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=908-56-0x0000000000080000-0x0000000000088000-memory.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                    2⤵
                                      PID:1592
                                      • 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,0x100,0xd4,0x104,0x7ff8b42746f8,0x7ff8b4274708,0x7ff8b4274718
                                        3⤵
                                          PID:4264
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:2128

                                      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

                                        c874ca5fa1b38ed3094f05c9aa8a14e6

                                        SHA1

                                        2a36112a5b5f8a65fdefe6642d1231dfb17e30bb

                                        SHA256

                                        5821e8f0d7fa9e3b9dfbd53fd5becd380a8d3efdfcd6c787b76dd764a06df480

                                        SHA512

                                        82a38cd7ec1afc2dbf64cc5b99c21e86288da8a3b872ab09c660041cc43759e569971e42dfc6d281b23f53eb800c8d08b8daf656c03d65d087cd2eb54b03e814

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

                                        Filesize

                                        152B

                                        MD5

                                        c874ca5fa1b38ed3094f05c9aa8a14e6

                                        SHA1

                                        2a36112a5b5f8a65fdefe6642d1231dfb17e30bb

                                        SHA256

                                        5821e8f0d7fa9e3b9dfbd53fd5becd380a8d3efdfcd6c787b76dd764a06df480

                                        SHA512

                                        82a38cd7ec1afc2dbf64cc5b99c21e86288da8a3b872ab09c660041cc43759e569971e42dfc6d281b23f53eb800c8d08b8daf656c03d65d087cd2eb54b03e814

                                      • \??\pipe\LOCAL\crashpad_1904_GYPMSACJWGVFSXZG

                                        MD5

                                        d41d8cd98f00b204e9800998ecf8427e

                                        SHA1

                                        da39a3ee5e6b4b0d3255bfef95601890afd80709

                                        SHA256

                                        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                        SHA512

                                        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                      • memory/532-161-0x0000000000000000-mapping.dmp

                                      • memory/632-149-0x0000000000000000-mapping.dmp

                                      • memory/924-155-0x0000000000000000-mapping.dmp

                                      • memory/1412-167-0x0000000000000000-mapping.dmp

                                      • memory/1592-140-0x0000000000000000-mapping.dmp

                                      • memory/1804-162-0x0000000000000000-mapping.dmp

                                      • memory/1872-153-0x0000000000000000-mapping.dmp

                                      • memory/1900-133-0x0000000000000000-mapping.dmp

                                      • memory/1904-132-0x0000000000000000-mapping.dmp

                                      • memory/2224-135-0x0000000000000000-mapping.dmp

                                      • memory/2536-136-0x0000000000000000-mapping.dmp

                                      • memory/2964-163-0x0000000000000000-mapping.dmp

                                      • memory/3296-151-0x0000000000000000-mapping.dmp

                                      • memory/3400-145-0x0000000000000000-mapping.dmp

                                      • memory/3644-164-0x0000000000000000-mapping.dmp

                                      • memory/4116-157-0x0000000000000000-mapping.dmp

                                      • memory/4192-159-0x0000000000000000-mapping.dmp

                                      • memory/4264-141-0x0000000000000000-mapping.dmp

                                      • memory/4388-166-0x0000000000000000-mapping.dmp

                                      • memory/4680-139-0x0000000000000000-mapping.dmp

                                      • memory/4860-147-0x0000000000000000-mapping.dmp