Analysis

  • max time kernel
    184s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 02:39

General

  • Target

    4ca22b7a7b2953baafabbe82bf8751373b1900ce52d7936aecc9972c32d9dca6.exe

  • Size

    401KB

  • MD5

    1e2d8a6d5bedd11e058b18d2ec2a8fbc

  • SHA1

    baa9c95f346e8d563a9e4a76b17e6f7aa0c2226d

  • SHA256

    4ca22b7a7b2953baafabbe82bf8751373b1900ce52d7936aecc9972c32d9dca6

  • SHA512

    3d02c33bec003272bbc0734f6e879c4c40a385057be1e243eee6534193eac976b5e3c2fe45ae8675f94e9321d8db1c8fae796b4341cbe7ec09cb9126d856687b

  • SSDEEP

    6144:550gUCc5IQ5FMvhefYIeLX+ULIO3m95twAuZ+cL0udOIjWM8AvA7KGbN9cfjUiWq:r0gIV56SYIczVmjuldONAvA7KGbNuw+

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 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 9 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ca22b7a7b2953baafabbe82bf8751373b1900ce52d7936aecc9972c32d9dca6.exe
    "C:\Users\Admin\AppData\Local\Temp\4ca22b7a7b2953baafabbe82bf8751373b1900ce52d7936aecc9972c32d9dca6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:5000
    • C:\Users\Admin\AppData\Local\Temp\7za.exe
      "C:\Users\Admin\AppData\Local\Temp\7za.exe" x "C:\Users\Admin\AppData\Local\Temp\a.7z" -pBTI7u8A66Q -o"C:\Users\Admin\AppData\Local\Temp\" -aoa
      2⤵
      • Executes dropped EXE
      PID:1220
    • C:\Users\Admin\AppData\Local\Temp\rundll32.exe
      C:\Users\Admin\AppData\Local\Temp\rundll32.exe
      2⤵
      • Executes dropped EXE
      PID:4540
    • C:\Users\Admin\AppData\Local\Temp\starer.exe
      C:\Users\Admin\AppData\Local\Temp\starer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4396
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://ilikeua.com/1.php
        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:4236
        • 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,0x100,0x104,0xd8,0x108,0x7ffdf63246f8,0x7ffdf6324708,0x7ffdf6324718
          4⤵
            PID:3392
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2252 /prefetch:2
            4⤵
              PID:3692
            • 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=2116,16978463998710556632,4100223782421062321,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2308 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:3656
            • 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=2116,16978463998710556632,4100223782421062321,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2632 /prefetch:8
              4⤵
                PID:3492
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=3380 /prefetch:1
                4⤵
                  PID:3924
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=3388 /prefetch:1
                  4⤵
                    PID:4336
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=4976 /prefetch:1
                    4⤵
                      PID:3740
                    • 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=2116,16978463998710556632,4100223782421062321,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5152 /prefetch:8
                      4⤵
                        PID:372
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=4896 /prefetch:1
                        4⤵
                          PID:4996
                        • 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=2116,16978463998710556632,4100223782421062321,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5352 /prefetch:8
                          4⤵
                            PID:4216
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=5092 /prefetch:1
                            4⤵
                              PID:4184
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=5068 /prefetch:1
                              4⤵
                                PID:4864
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=5848 /prefetch:1
                                4⤵
                                  PID:5032
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1744 /prefetch:1
                                  4⤵
                                    PID:3344
                                  • 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=2116,16978463998710556632,4100223782421062321,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6900 /prefetch:8
                                    4⤵
                                      PID:792
                                    • 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:2244
                                      • 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=0x260,0x264,0x268,0x23c,0x26c,0x7ff76c6e5460,0x7ff76c6e5470,0x7ff76c6e5480
                                        5⤵
                                          PID:3948
                                      • 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=2116,16978463998710556632,4100223782421062321,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6900 /prefetch:8
                                        4⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:1092
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6576 /prefetch:1
                                        4⤵
                                          PID:1944
                                        • 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=2116,16978463998710556632,4100223782421062321,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=6880 /prefetch:8
                                          4⤵
                                            PID:3648
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,16978463998710556632,4100223782421062321,131072 --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=6880 /prefetch:2
                                            4⤵
                                            • Suspicious behavior: EnumeratesProcesses
                                            PID:1412
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:3712

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\7za.exe

                                        Filesize

                                        574KB

                                        MD5

                                        42badc1d2f03a8b1e4875740d3d49336

                                        SHA1

                                        cee178da1fb05f99af7a3547093122893bd1eb46

                                        SHA256

                                        c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

                                        SHA512

                                        6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

                                      • C:\Users\Admin\AppData\Local\Temp\7za.exe

                                        Filesize

                                        574KB

                                        MD5

                                        42badc1d2f03a8b1e4875740d3d49336

                                        SHA1

                                        cee178da1fb05f99af7a3547093122893bd1eb46

                                        SHA256

                                        c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

                                        SHA512

                                        6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

                                      • C:\Users\Admin\AppData\Local\Temp\a.7z

                                        Filesize

                                        5KB

                                        MD5

                                        609a586468e2a2fb2c7e8f9c3984813f

                                        SHA1

                                        ce308a9b51bffc8b9504870ec8ab23cceb507be7

                                        SHA256

                                        a84107a114f465db4466708ccc898ee62f70d1648779248bc7d89e7a611f927e

                                        SHA512

                                        5371d4f23921bba3d2e576c1740e7b73823fc545c207c3f320a7cf118adab850d30a5ee77d0247f669ac96d64b0d8686ef535ee22cb2c51aa6837c9a8f7e0761

                                      • C:\Users\Admin\AppData\Local\Temp\nsw23D5.tmp\execDos.dll

                                        Filesize

                                        5KB

                                        MD5

                                        0deb397ca1e716bb7b15e1754e52b2ac

                                        SHA1

                                        fbb9bcf872c5dbb4ca4c80fb21d41519bc273ef5

                                        SHA256

                                        720be35cd1b4a333264713dc146b4ad024f3a7ad0644c2d8c6fcedd3c30e8a1f

                                        SHA512

                                        507db0bee0897660750007e7ce674406acf9e8bf942cf26ded5654c07682757b07c9eb767bead0966478abc554dc9a6461c4288dc35d12cacfadad4c128f1bb7

                                      • C:\Users\Admin\AppData\Local\Temp\rundll32.exe

                                        Filesize

                                        43KB

                                        MD5

                                        51138beea3e2c21ec44d0932c71762a8

                                        SHA1

                                        8939cf35447b22dd2c6e6f443446acc1bf986d58

                                        SHA256

                                        5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

                                        SHA512

                                        794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

                                      • C:\Users\Admin\AppData\Local\Temp\rundll32.exe

                                        Filesize

                                        43KB

                                        MD5

                                        51138beea3e2c21ec44d0932c71762a8

                                        SHA1

                                        8939cf35447b22dd2c6e6f443446acc1bf986d58

                                        SHA256

                                        5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

                                        SHA512

                                        794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

                                      • C:\Users\Admin\AppData\Local\Temp\starer.exe

                                        Filesize

                                        20KB

                                        MD5

                                        e16edd984b5963e3dabbddd7d6737a0f

                                        SHA1

                                        a835149425c257712d44b0dc1e02476bb4dfbb5a

                                        SHA256

                                        978489c7490b696cd3c3aa683b73755b2ea743602271c4450417802915a67f89

                                        SHA512

                                        355cc8573413793e5b1f360b302003d22859aa9f3d32128e6d99035e58d8099e4b69e3bf061457f7dbb7712f77932991021cf9a08e632a081f134935fe428f46

                                      • C:\Users\Admin\AppData\Local\Temp\starer.exe

                                        Filesize

                                        20KB

                                        MD5

                                        e16edd984b5963e3dabbddd7d6737a0f

                                        SHA1

                                        a835149425c257712d44b0dc1e02476bb4dfbb5a

                                        SHA256

                                        978489c7490b696cd3c3aa683b73755b2ea743602271c4450417802915a67f89

                                        SHA512

                                        355cc8573413793e5b1f360b302003d22859aa9f3d32128e6d99035e58d8099e4b69e3bf061457f7dbb7712f77932991021cf9a08e632a081f134935fe428f46