Analysis

  • max time kernel
    140s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 07:07

General

  • Target

    ec099c1fa08bc20aed467f64260751e6f15413f82c03b5c1b95f9547280af90f.exe

  • Size

    165KB

  • MD5

    8fe1031010a44dbeed917a050119bc86

  • SHA1

    79b31f24d0253b4ded72fadc600aa224da1a6800

  • SHA256

    ec099c1fa08bc20aed467f64260751e6f15413f82c03b5c1b95f9547280af90f

  • SHA512

    5dc98bb49e21f7b8a65a2e2665f4f115e5a13e9f8754239c8a873bf94552cc6f3fead44704fbbac7d4a64e565f127234c28efe857bfa5d1fa37dae47a5f8f612

  • SSDEEP

    1536:m6z5h/HBx/Fg12SrXvrLZriRkpdzjd6w47n3Y0OcHciwR1iNwWw3QDQEx4WxjyMx:hlOcBfFQe4Kj8LdlPa

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec099c1fa08bc20aed467f64260751e6f15413f82c03b5c1b95f9547280af90f.exe
    "C:\Users\Admin\AppData\Local\Temp\ec099c1fa08bc20aed467f64260751e6f15413f82c03b5c1b95f9547280af90f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Users\Admin\AppData\Local\Temp\ec099c1fa08bc20aed467f64260751e6f15413f82c03b5c1b95f9547280af90f.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3016
      • 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=ec099c1fa08bc20aed467f64260751e6f15413f82c03b5c1b95f9547280af90f.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        3⤵
        • 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:4892
        • 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,0x100,0x104,0xf8,0x108,0x7ffa086546f8,0x7ffa08654708,0x7ffa08654718
          4⤵
            PID:4792
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
            4⤵
              PID:2176
            • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2468 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1916
            • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
              4⤵
                PID:344
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --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=3336 /prefetch:1
                4⤵
                  PID:1316
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --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=3344 /prefetch:1
                  4⤵
                    PID:1004
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --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
                    4⤵
                      PID:3708
                    • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5632 /prefetch:8
                      4⤵
                        PID:4684
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --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=5692 /prefetch:1
                        4⤵
                          PID:5096
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --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=4804 /prefetch:1
                          4⤵
                            PID:3584
                          • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5768 /prefetch:8
                            4⤵
                              PID:4304
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --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=6252 /prefetch:1
                              4⤵
                                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=2168,12262084034336254800,15746154250969780268,131072 --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=6288 /prefetch:1
                                4⤵
                                  PID:4220
                                • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5860 /prefetch:8
                                  4⤵
                                    PID:4784
                                  • 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
                                    4⤵
                                    • Drops file in Program Files directory
                                    PID:3248
                                    • 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,0x7ff60db45460,0x7ff60db45470,0x7ff60db45480
                                      5⤵
                                        PID:2552
                                    • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5860 /prefetch:8
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4408
                                    • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3556 /prefetch:8
                                      4⤵
                                        PID:4988
                                      • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4916 /prefetch:8
                                        4⤵
                                          PID:1712
                                        • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2972 /prefetch:8
                                          4⤵
                                            PID:4440
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2168,12262084034336254800,15746154250969780268,131072 --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=1824 /prefetch:2
                                            4⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:1780
                                          • 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=2168,12262084034336254800,15746154250969780268,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2064 /prefetch:8
                                            4⤵
                                              PID:3032
                                          • 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=ec099c1fa08bc20aed467f64260751e6f15413f82c03b5c1b95f9547280af90f.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                            3⤵
                                              PID:2264
                                              • 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,0x100,0xd4,0x104,0x7ffa086546f8,0x7ffa08654708,0x7ffa08654718
                                                4⤵
                                                  PID:4100
                                          • C:\Windows\System32\CompPkgSrv.exe
                                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                                            1⤵
                                              PID:3864

                                            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

                                              1aa7e0f203b5b0b2f753567d77fbe2d9

                                              SHA1

                                              443937fd906e3a356a6689181b29a9e849f54209

                                              SHA256

                                              27f1577aa081b2222b6549e74de58ef60bf0a054c7b2a345366e6ebbf44fab8c

                                              SHA512

                                              ce2fff1ddfab2e82f4e8ec6b3d04405f9fb2ad07dccfdde404411de9bbc66033610ad1689316173878be9758bb822612d4a931901e1ed4bbbd41199c2885debf

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

                                              152B

                                              MD5

                                              b8814439123c54cbc8e61bb010a24511

                                              SHA1

                                              403ad16668fc85e4ef366f00749eaec0f88b94b0

                                              SHA256

                                              ee60f00dcded0ed07c9c88d582efde48ddc73d1f1a28081d5e2dea006c4ac894

                                              SHA512

                                              de05eaa43d562783009cb1ade9c87f3d1b1020c951067d2f95dbab698b5f35271790bb9a547dd30cacf68783e09a4bdd1dfbfcf8cf53343b132b9c3d6c4d2800

                                            • \??\pipe\LOCAL\crashpad_4892_KNHWVLQVSXBCJZAU
                                              MD5

                                              d41d8cd98f00b204e9800998ecf8427e

                                              SHA1

                                              da39a3ee5e6b4b0d3255bfef95601890afd80709

                                              SHA256

                                              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                              SHA512

                                              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                            • memory/344-143-0x0000000000000000-mapping.dmp
                                            • memory/1004-150-0x0000000000000000-mapping.dmp
                                            • memory/1316-148-0x0000000000000000-mapping.dmp
                                            • memory/1712-172-0x0000000000000000-mapping.dmp
                                            • memory/1780-175-0x0000000000000000-mapping.dmp
                                            • memory/1916-140-0x0000000000000000-mapping.dmp
                                            • memory/2176-139-0x0000000000000000-mapping.dmp
                                            • memory/2264-144-0x0000000000000000-mapping.dmp
                                            • memory/2552-167-0x0000000000000000-mapping.dmp
                                            • memory/3016-134-0x0000000000000000-mapping.dmp
                                            • memory/3016-135-0x0000000000400000-0x0000000000412000-memory.dmp
                                              Filesize

                                              72KB

                                            • memory/3032-177-0x0000000000000000-mapping.dmp
                                            • memory/3248-166-0x0000000000000000-mapping.dmp
                                            • memory/3584-159-0x0000000000000000-mapping.dmp
                                            • memory/3708-152-0x0000000000000000-mapping.dmp
                                            • memory/3868-163-0x0000000000000000-mapping.dmp
                                            • memory/4100-145-0x0000000000000000-mapping.dmp
                                            • memory/4220-165-0x0000000000000000-mapping.dmp
                                            • memory/4304-161-0x0000000000000000-mapping.dmp
                                            • memory/4408-168-0x0000000000000000-mapping.dmp
                                            • memory/4440-174-0x0000000000000000-mapping.dmp
                                            • memory/4684-155-0x0000000000000000-mapping.dmp
                                            • memory/4792-137-0x0000000000000000-mapping.dmp
                                            • memory/4892-136-0x0000000000000000-mapping.dmp
                                            • memory/4988-170-0x0000000000000000-mapping.dmp
                                            • memory/5096-157-0x0000000000000000-mapping.dmp