Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 18:39

General

  • Target

    ac27f4b9ea6bdc870c5c3930c4f29eda3be51969560d72a79a191f4f50597cfb.exe

  • Size

    516KB

  • MD5

    4100fece963d08560e3d8da2f4079b90

  • SHA1

    74fe3186ab29b764c9b72fbd2c1392dfefdb2e1d

  • SHA256

    ac27f4b9ea6bdc870c5c3930c4f29eda3be51969560d72a79a191f4f50597cfb

  • SHA512

    3c4eb6acef54553d2d3047f2addfd72e00955c9ca60b0be1c1bb29f084bfa9d717dd44702c10f7701d038cf085fa8ddda85de1685e7d65d5e73b71b010f2c8b0

  • SSDEEP

    12288:wR++csfSp638FJ/o0ltxB3U6ccrJ7xSdg8AwIAekk8jk:wo+csfSp638FJ/o0ltxB3U6ccrVsg8RR

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\ac27f4b9ea6bdc870c5c3930c4f29eda3be51969560d72a79a191f4f50597cfb.exe
    "C:\Users\Admin\AppData\Local\Temp\ac27f4b9ea6bdc870c5c3930c4f29eda3be51969560d72a79a191f4f50597cfb.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3064
    • 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=ac27f4b9ea6bdc870c5c3930c4f29eda3be51969560d72a79a191f4f50597cfb.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:1056
      • 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,0x100,0x104,0xd8,0x108,0x7ffdb63e46f8,0x7ffdb63e4708,0x7ffdb63e4718
        3⤵
          PID:8
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
          3⤵
            PID:4624
          • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2284 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3732
          • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2756 /prefetch:8
            3⤵
              PID:1384
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=3340 /prefetch:1
              3⤵
                PID:2356
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=3364 /prefetch:1
                3⤵
                  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=data_decoder.mojom.DataDecoderService --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4876 /prefetch:8
                  3⤵
                    PID:5080
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=4964 /prefetch:1
                    3⤵
                      PID:4220
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=4660 /prefetch:1
                      3⤵
                        PID:1660
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=5808 /prefetch:1
                        3⤵
                          PID:3956
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=5012 /prefetch:1
                          3⤵
                            PID:1540
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=5048 /prefetch:1
                            3⤵
                              PID:3488
                            • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5592 /prefetch:8
                              3⤵
                                PID:5080
                              • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6092 /prefetch:8
                                3⤵
                                  PID:4900
                                • 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:4880
                                  • 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,0x7ff704ca5460,0x7ff704ca5470,0x7ff704ca5480
                                    4⤵
                                      PID:920
                                  • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6092 /prefetch:8
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2212
                                  • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5312 /prefetch:8
                                    3⤵
                                      PID:5596
                                    • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5268 /prefetch:8
                                      3⤵
                                        PID:5664
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,6915488599152129194,3274198208158707570,131072 --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=3220 /prefetch:2
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:5716
                                      • 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=2140,6915488599152129194,3274198208158707570,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4936 /prefetch:8
                                        3⤵
                                          PID:5832
                                      • 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=ac27f4b9ea6bdc870c5c3930c4f29eda3be51969560d72a79a191f4f50597cfb.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                        2⤵
                                          PID:3712
                                          • 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,0x100,0x104,0xd8,0x108,0x7ffdb63e46f8,0x7ffdb63e4708,0x7ffdb63e4718
                                            3⤵
                                              PID:4480
                                        • C:\Windows\System32\CompPkgSrv.exe
                                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                                          1⤵
                                            PID:1700

                                          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

                                            66bc9611dd085dd5e1366c94b84456cd

                                            SHA1

                                            613339f5891bf2c9e54ef565c54eb18be42d65fb

                                            SHA256

                                            27b4949b239ca2e2ce7812dd455868d97ce9c4851bb46eb0d7d5827285dd6c22

                                            SHA512

                                            196973df9961ef3c91af4836cabe58b6e7df8aa410867ec6769b1407eea99532faf7c6efd351d4ef81f0ab12527756fd146fbe02220c93b9ced8368bd0488be6

                                          • \??\pipe\LOCAL\crashpad_1056_CNDSWHVUBMFDNVRY
                                            MD5

                                            d41d8cd98f00b204e9800998ecf8427e

                                            SHA1

                                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                                            SHA256

                                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                            SHA512

                                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                          • memory/8-133-0x0000000000000000-mapping.dmp
                                          • memory/920-162-0x0000000000000000-mapping.dmp
                                          • memory/1056-132-0x0000000000000000-mapping.dmp
                                          • memory/1384-139-0x0000000000000000-mapping.dmp
                                          • memory/1540-156-0x0000000000000000-mapping.dmp
                                          • memory/1660-152-0x0000000000000000-mapping.dmp
                                          • memory/2112-143-0x0000000000000000-mapping.dmp
                                          • memory/2212-163-0x0000000000000000-mapping.dmp
                                          • memory/2356-141-0x0000000000000000-mapping.dmp
                                          • memory/3488-158-0x0000000000000000-mapping.dmp
                                          • memory/3712-148-0x0000000000000000-mapping.dmp
                                          • memory/3732-136-0x0000000000000000-mapping.dmp
                                          • memory/3956-154-0x0000000000000000-mapping.dmp
                                          • memory/4220-147-0x0000000000000000-mapping.dmp
                                          • memory/4480-149-0x0000000000000000-mapping.dmp
                                          • memory/4624-135-0x0000000000000000-mapping.dmp
                                          • memory/4880-161-0x0000000000000000-mapping.dmp
                                          • memory/5080-160-0x0000000000000000-mapping.dmp
                                          • memory/5080-145-0x0000000000000000-mapping.dmp
                                          • memory/5596-165-0x0000000000000000-mapping.dmp
                                          • memory/5664-167-0x0000000000000000-mapping.dmp
                                          • memory/5716-168-0x0000000000000000-mapping.dmp
                                          • memory/5832-170-0x0000000000000000-mapping.dmp