Analysis

  • max time kernel
    154s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 16:32

General

  • Target

    91300ae81224701bf9b9daa333dd5a5b1d6686991332b49ad1723668ce60e9c0.exe

  • Size

    437KB

  • MD5

    a7f0d62f0ebf2577cdb3d90375b3e1b9

  • SHA1

    6e8d1ea8474584a1d6f6790580dd1d9d0557644d

  • SHA256

    91300ae81224701bf9b9daa333dd5a5b1d6686991332b49ad1723668ce60e9c0

  • SHA512

    c8d8af9ff08340850356b2e5e6adb57c411e71719602ea674c9db2e168f58e6af9b298ef9046cc7551ab2d6807c5991fe1542be1f4c0f5a34eef4e87403e7121

  • SSDEEP

    6144:0njGcuqZdSvuTbd0/5ryoFoE1L20nNA/NkXbhhQDVKa9XbPnQ1rSQCu1vQH:iyedD0Jb60NA/qMRt9r/UrSQCuV

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\91300ae81224701bf9b9daa333dd5a5b1d6686991332b49ad1723668ce60e9c0.exe
    "C:\Users\Admin\AppData\Local\Temp\91300ae81224701bf9b9daa333dd5a5b1d6686991332b49ad1723668ce60e9c0.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1872
    • 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=91300ae81224701bf9b9daa333dd5a5b1d6686991332b49ad1723668ce60e9c0.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:4912
      • 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=0x108,0x10c,0x110,0xe4,0x114,0x7ffbbe1346f8,0x7ffbbe134708,0x7ffbbe134718
        3⤵
          PID:4848
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
          3⤵
            PID:1144
          • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2260 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4048
          • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2748 /prefetch:8
            3⤵
              PID:260
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=3352 /prefetch:1
              3⤵
                PID:688
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=3368 /prefetch:1
                3⤵
                  PID:1456
                • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4868 /prefetch:8
                  3⤵
                    PID:2260
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=5084 /prefetch:1
                    3⤵
                      PID:1312
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=5088 /prefetch:1
                      3⤵
                        PID:4576
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=3836 /prefetch:1
                        3⤵
                          PID:2836
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=6412 /prefetch:1
                          3⤵
                            PID:4700
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=6528 /prefetch:1
                            3⤵
                              PID:2456
                            • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3584 /prefetch:8
                              3⤵
                                PID:3808
                              • 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:664
                                • 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=0x224,0x228,0x22c,0x200,0x230,0x7ff62bac5460,0x7ff62bac5470,0x7ff62bac5480
                                  4⤵
                                    PID:3372
                                • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3584 /prefetch:8
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1404
                                • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3740 /prefetch:8
                                  3⤵
                                    PID:3848
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,2292439427189500497,2204320042187863164,131072 --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=6188 /prefetch:2
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3576
                                  • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1304 /prefetch:8
                                    3⤵
                                      PID:3808
                                    • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6160 /prefetch:8
                                      3⤵
                                        PID:2416
                                      • 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=2136,2292439427189500497,2204320042187863164,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6168 /prefetch:8
                                        3⤵
                                          PID:976
                                      • 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=91300ae81224701bf9b9daa333dd5a5b1d6686991332b49ad1723668ce60e9c0.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                        2⤵
                                          PID:3532
                                          • 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,0x100,0x104,0xd8,0x108,0x7ffbbe1346f8,0x7ffbbe134708,0x7ffbbe134718
                                            3⤵
                                              PID:748
                                        • C:\Windows\System32\CompPkgSrv.exe
                                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                                          1⤵
                                            PID:4300

                                          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

                                            9227ba18e4106970788586689f7dddd7

                                            SHA1

                                            7e2c112b4b2f2fe7b5d308a2078dc487f8b50c7c

                                            SHA256

                                            01d0339bd0406e76af6bbce8ca4e41d6c0bb5e1ac9f5926f1e0627590880e481

                                            SHA512

                                            b0fafe3d9e1e5d7e8eb6ba258852ae1d1c9ffb04a6378703755a89e4575d3af1c2b88e5367e0868b7f1ea3ee7f9a76a1541a2846e583621ed495d1d97ff864da

                                          • \??\pipe\LOCAL\crashpad_4912_QPJPIFWMKJOKFZNK
                                            MD5

                                            d41d8cd98f00b204e9800998ecf8427e

                                            SHA1

                                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                                            SHA256

                                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                            SHA512

                                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                          • memory/260-139-0x0000000000000000-mapping.dmp
                                          • memory/664-159-0x0000000000000000-mapping.dmp
                                          • memory/688-141-0x0000000000000000-mapping.dmp
                                          • memory/748-147-0x0000000000000000-mapping.dmp
                                          • memory/976-170-0x0000000000000000-mapping.dmp
                                          • memory/1144-135-0x0000000000000000-mapping.dmp
                                          • memory/1312-150-0x0000000000000000-mapping.dmp
                                          • memory/1404-161-0x0000000000000000-mapping.dmp
                                          • memory/1456-143-0x0000000000000000-mapping.dmp
                                          • memory/2260-145-0x0000000000000000-mapping.dmp
                                          • memory/2416-168-0x0000000000000000-mapping.dmp
                                          • memory/2456-158-0x0000000000000000-mapping.dmp
                                          • memory/2836-154-0x0000000000000000-mapping.dmp
                                          • memory/3372-160-0x0000000000000000-mapping.dmp
                                          • memory/3532-146-0x0000000000000000-mapping.dmp
                                          • memory/3576-164-0x0000000000000000-mapping.dmp
                                          • memory/3808-166-0x0000000000000000-mapping.dmp
                                          • memory/3848-163-0x0000000000000000-mapping.dmp
                                          • memory/4048-136-0x0000000000000000-mapping.dmp
                                          • memory/4576-152-0x0000000000000000-mapping.dmp
                                          • memory/4700-156-0x0000000000000000-mapping.dmp
                                          • memory/4848-133-0x0000000000000000-mapping.dmp
                                          • memory/4912-132-0x0000000000000000-mapping.dmp