Analysis

  • max time kernel
    152s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 02:35

General

  • Target

    344249e852ae3b450927291922e5d2561c36fa5b100abd5e7e0783d6fc5db19f.exe

  • Size

    457KB

  • MD5

    6fa26bc6676835cce3fcf6de88176939

  • SHA1

    1c0de553a2594a623a619f8afe00dd769b85d087

  • SHA256

    344249e852ae3b450927291922e5d2561c36fa5b100abd5e7e0783d6fc5db19f

  • SHA512

    d11d2ccd6bd8dbfa6d6e74f019d1d98e30bd29f4a2aba0322556ae7268c4dc0cf4b2f3de69694550f58704d6156f0cfc2087bd9043599b353a052f5b42abfd4f

  • SSDEEP

    6144:Jh6zQGkqO94lxnbBRk6el/NjZZYCUqG6qMluExPEQODsy/gvOvJ9Ji1Mxw9cXZE:iXkj4b9R3y/Y3NEeQOQycYw1EpE

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 2 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 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\344249e852ae3b450927291922e5d2561c36fa5b100abd5e7e0783d6fc5db19f.exe
    "C:\Users\Admin\AppData\Local\Temp\344249e852ae3b450927291922e5d2561c36fa5b100abd5e7e0783d6fc5db19f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Users\Admin\AppData\Local\Temp\16_42.exe
      "C:\Users\Admin\AppData\Local\Temp\16_42.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Users\Admin\AppData\Local\Temp\16_42.exe
        "C:\Users\Admin\AppData\Local\Temp\16_42.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:616
        • C:\Users\Admin\AppData\Local\Temp\16_42.exe
          "C:\Users\Admin\AppData\Local\Temp\16_42.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3972
          • 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=16_42.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
            5⤵
            • 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:812
            • 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,0x100,0xd4,0x104,0x7fffdfb446f8,0x7fffdfb44708,0x7fffdfb44718
              6⤵
                PID:3096
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
                6⤵
                  PID:4556
                • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2316 /prefetch:3
                  6⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2388
                • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2200 /prefetch:8
                  6⤵
                    PID:4236
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --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=3348 /prefetch:1
                    6⤵
                      PID:4764
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --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=3360 /prefetch:1
                      6⤵
                        PID:4328
                      • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4916 /prefetch:8
                        6⤵
                          PID:4580
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --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=5000 /prefetch:1
                          6⤵
                            PID:3696
                          • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5428 /prefetch:8
                            6⤵
                              PID:2780
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --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=5168 /prefetch:1
                              6⤵
                                PID:3180
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5452 /prefetch:1
                                6⤵
                                  PID:4996
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --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=5192 /prefetch:1
                                  6⤵
                                    PID:4428
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2156,10529231538696538885,7193093368195815695,131072 --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=6248 /prefetch:1
                                    6⤵
                                      PID:3624
                                    • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6708 /prefetch:8
                                      6⤵
                                        PID:64
                                      • 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
                                        6⤵
                                        • Drops file in Program Files directory
                                        PID:948
                                        • 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,0x7ff75eba5460,0x7ff75eba5470,0x7ff75eba5480
                                          7⤵
                                            PID:904
                                        • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6708 /prefetch:8
                                          6⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:1536
                                        • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2636 /prefetch:8
                                          6⤵
                                            PID:3940
                                          • 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=2156,10529231538696538885,7193093368195815695,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3356 /prefetch:8
                                            6⤵
                                              PID:400
                                          • 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=16_42.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                            5⤵
                                              PID:216
                                              • 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,0x100,0x104,0xd8,0x108,0x7fffdfb446f8,0x7fffdfb44708,0x7fffdfb44718
                                                6⤵
                                                  PID:2852
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:2944

                                        Network

                                        MITRE ATT&CK Enterprise v6

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

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

                                          Filesize

                                          152B

                                          MD5

                                          b8814439123c54cbc8e61bb010a24511

                                          SHA1

                                          403ad16668fc85e4ef366f00749eaec0f88b94b0

                                          SHA256

                                          ee60f00dcded0ed07c9c88d582efde48ddc73d1f1a28081d5e2dea006c4ac894

                                          SHA512

                                          de05eaa43d562783009cb1ade9c87f3d1b1020c951067d2f95dbab698b5f35271790bb9a547dd30cacf68783e09a4bdd1dfbfcf8cf53343b132b9c3d6c4d2800

                                        • C:\Users\Admin\AppData\Local\Temp\16_42.exe

                                          Filesize

                                          324KB

                                          MD5

                                          e56abf4b5d74081a8f5de977ade7cdbf

                                          SHA1

                                          0894b5b4201d5f044876c5adeadb4f0c0da19eb8

                                          SHA256

                                          ffab9b2ab0f1d0cc1ad2b375b2b26f7e0e6046e1c6e6ea94fdec9b60968f611a

                                          SHA512

                                          c59d34e9db9bba9630a6586f2a78ed1d8af90836c11f6021257f7eab54e7166aaff8893e729059165f9d00ddf1d09d68c25fdd122ddd3e0483e310a1946b19ce

                                        • C:\Users\Admin\AppData\Local\Temp\16_42.exe

                                          Filesize

                                          324KB

                                          MD5

                                          e56abf4b5d74081a8f5de977ade7cdbf

                                          SHA1

                                          0894b5b4201d5f044876c5adeadb4f0c0da19eb8

                                          SHA256

                                          ffab9b2ab0f1d0cc1ad2b375b2b26f7e0e6046e1c6e6ea94fdec9b60968f611a

                                          SHA512

                                          c59d34e9db9bba9630a6586f2a78ed1d8af90836c11f6021257f7eab54e7166aaff8893e729059165f9d00ddf1d09d68c25fdd122ddd3e0483e310a1946b19ce

                                        • C:\Users\Admin\AppData\Local\Temp\16_42.exe

                                          Filesize

                                          324KB

                                          MD5

                                          e56abf4b5d74081a8f5de977ade7cdbf

                                          SHA1

                                          0894b5b4201d5f044876c5adeadb4f0c0da19eb8

                                          SHA256

                                          ffab9b2ab0f1d0cc1ad2b375b2b26f7e0e6046e1c6e6ea94fdec9b60968f611a

                                          SHA512

                                          c59d34e9db9bba9630a6586f2a78ed1d8af90836c11f6021257f7eab54e7166aaff8893e729059165f9d00ddf1d09d68c25fdd122ddd3e0483e310a1946b19ce

                                        • C:\Users\Admin\AppData\Local\Temp\16_42.exe

                                          Filesize

                                          324KB

                                          MD5

                                          e56abf4b5d74081a8f5de977ade7cdbf

                                          SHA1

                                          0894b5b4201d5f044876c5adeadb4f0c0da19eb8

                                          SHA256

                                          ffab9b2ab0f1d0cc1ad2b375b2b26f7e0e6046e1c6e6ea94fdec9b60968f611a

                                          SHA512

                                          c59d34e9db9bba9630a6586f2a78ed1d8af90836c11f6021257f7eab54e7166aaff8893e729059165f9d00ddf1d09d68c25fdd122ddd3e0483e310a1946b19ce

                                        • memory/616-145-0x0000000000400000-0x0000000000407000-memory.dmp

                                          Filesize

                                          28KB

                                        • memory/616-150-0x0000000000400000-0x0000000000407000-memory.dmp

                                          Filesize

                                          28KB

                                        • memory/616-154-0x0000000000400000-0x0000000000407000-memory.dmp

                                          Filesize

                                          28KB

                                        • memory/3972-152-0x0000000000400000-0x0000000000414000-memory.dmp

                                          Filesize

                                          80KB

                                        • memory/4816-141-0x0000000002090000-0x00000000020A0000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-139-0x0000000002050000-0x0000000002060000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-138-0x0000000002040000-0x0000000002050000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-140-0x0000000002080000-0x0000000002090000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-142-0x00000000020A0000-0x00000000020B0000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-137-0x0000000002030000-0x0000000002040000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-136-0x0000000000580000-0x0000000000590000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-135-0x0000000000490000-0x00000000004A0000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4816-143-0x00000000020B0000-0x00000000020C0000-memory.dmp

                                          Filesize

                                          64KB