Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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 23:34

General

  • Target

    cebbe5e29c167bbddababc4f774d7f4ed5974639b8a16fc40c6b89da903bb409.exe

  • Size

    72KB

  • MD5

    fd2c459c717f0a235435a8b6e1eb7068

  • SHA1

    58dad495523e059e8eacc9f21b9a3a30450efcf9

  • SHA256

    cebbe5e29c167bbddababc4f774d7f4ed5974639b8a16fc40c6b89da903bb409

  • SHA512

    d179220cbd280142e2678a2bad0403898d1c911c819373aebea8302995ad3eb69f230fadd3944046c43672114c3d3d187575b66f410490ebcf65a9b2e6f611ef

  • SSDEEP

    768:edMZqfV2DBdNRvU1f2nXCDSR3HVooSd9kIjMa705wGZpcgT+s1PxX4BuBCZ79Rz/:eqBMM5MoSd9Lv7+wm+EPxSu0rzLD

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 6 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\cebbe5e29c167bbddababc4f774d7f4ed5974639b8a16fc40c6b89da903bb409.exe
    "C:\Users\Admin\AppData\Local\Temp\cebbe5e29c167bbddababc4f774d7f4ed5974639b8a16fc40c6b89da903bb409.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5044
    • 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=cebbe5e29c167bbddababc4f774d7f4ed5974639b8a16fc40c6b89da903bb409.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:4548
      • 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,0x100,0xd4,0x104,0x7ff817f346f8,0x7ff817f34708,0x7ff817f34718
        3⤵
          PID:4820
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
          3⤵
            PID:3652
          • 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=2128,13753269506521129208,10196902440169310388,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4312
          • 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=2128,13753269506521129208,10196902440169310388,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2688 /prefetch:8
            3⤵
              PID:4256
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --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=3364 /prefetch:1
              3⤵
                PID:2772
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --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=3372 /prefetch:1
                3⤵
                  PID:3868
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --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=4036 /prefetch:1
                  3⤵
                    PID:1260
                  • 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=2128,13753269506521129208,10196902440169310388,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5116 /prefetch:8
                    3⤵
                      PID:488
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --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=5196 /prefetch:1
                      3⤵
                        PID:4156
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --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=5236 /prefetch:1
                        3⤵
                          PID:4068
                        • 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=2128,13753269506521129208,10196902440169310388,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5880 /prefetch:8
                          3⤵
                            PID:2396
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --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=5888 /prefetch:1
                            3⤵
                              PID:5048
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,13753269506521129208,10196902440169310388,131072 --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=6092 /prefetch:1
                              3⤵
                                PID:2640
                              • 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=2128,13753269506521129208,10196902440169310388,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6452 /prefetch:8
                                3⤵
                                  PID:2908
                                • 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:3860
                                  • 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,0x7ff66e9b5460,0x7ff66e9b5470,0x7ff66e9b5480
                                    4⤵
                                      PID:3012
                                  • 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=2128,13753269506521129208,10196902440169310388,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6452 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1952
                                • 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=cebbe5e29c167bbddababc4f774d7f4ed5974639b8a16fc40c6b89da903bb409.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                  2⤵
                                    PID:3336
                                    • 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=0xa4,0xfc,0x100,0xd8,0x104,0x7ff817f346f8,0x7ff817f34708,0x7ff817f34718
                                      3⤵
                                        PID:4152
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:228

                                    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

                                      71b657795f1d63721f304fcf46915016

                                      SHA1

                                      d2cabf753a2b8888642a3a26878e7f47784153b2

                                      SHA256

                                      f6d95ff8ef0a6098a3c31bedf0f623555cf3855bab0142f2350f07eb85832c28

                                      SHA512

                                      dd1d8e6e56463cba11da14b604c4dcedf13e1914c4afab93121f6535a30120e0d907c0129c6eebfc8a0a70a557d2f6d467a24fe0bac960c79519049e1931ea20

                                    • 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_4548_ELLSKWLSAMVJFZLN
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/488-153-0x0000000000000000-mapping.dmp
                                    • memory/1260-150-0x0000000000000000-mapping.dmp
                                    • memory/1952-166-0x0000000000000000-mapping.dmp
                                    • memory/2396-159-0x0000000000000000-mapping.dmp
                                    • memory/2640-163-0x0000000000000000-mapping.dmp
                                    • memory/2772-142-0x0000000000000000-mapping.dmp
                                    • memory/3012-165-0x0000000000000000-mapping.dmp
                                    • memory/3336-145-0x0000000000000000-mapping.dmp
                                    • memory/3652-136-0x0000000000000000-mapping.dmp
                                    • memory/3860-164-0x0000000000000000-mapping.dmp
                                    • memory/3868-144-0x0000000000000000-mapping.dmp
                                    • memory/4068-157-0x0000000000000000-mapping.dmp
                                    • memory/4152-146-0x0000000000000000-mapping.dmp
                                    • memory/4156-155-0x0000000000000000-mapping.dmp
                                    • memory/4256-140-0x0000000000000000-mapping.dmp
                                    • memory/4312-137-0x0000000000000000-mapping.dmp
                                    • memory/4548-133-0x0000000000000000-mapping.dmp
                                    • memory/4820-134-0x0000000000000000-mapping.dmp
                                    • memory/5044-148-0x0000000079000000-0x0000000079016000-memory.dmp
                                      Filesize

                                      88KB

                                    • memory/5044-132-0x0000000079000000-0x0000000079016000-memory.dmp
                                      Filesize

                                      88KB

                                    • memory/5048-161-0x0000000000000000-mapping.dmp