Analysis

  • max time kernel
    140s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2022 21:47

General

  • Target

    krnl_beta.exe

  • Size

    1.8MB

  • MD5

    3701dc535fb395d6a1fb557a3aeec5e9

  • SHA1

    ef517659229ddc6ecfc02481c3953ac9322dae35

  • SHA256

    ec6df713446a8dd5efb376fbb7b444ed7e09f5cdd98c0494999b64af2e2d5537

  • SHA512

    20dc14387138f913034bd2c265156dca1f36c128c040a99d6904fe6f1830d2f98afb3dcf0553817adb66e480be7d0fb0d7df58f0feb9b007a5a6bab648b081a2

  • SSDEEP

    49152:+P1uB0SVp4+KSxyrRUzS65+x+rnxYr9PC:+Pk0ST4+RgRUzS65+x1ZPC

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 50 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\krnl_beta.exe
    "C:\Users\Admin\AppData\Local\Temp\krnl_beta.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1128
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:516
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x2e4
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1676
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
      1⤵
        PID:1916
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe"
        1⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1004
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6274f50,0x7fef6274f60,0x7fef6274f70
          2⤵
            PID:1652
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1108 /prefetch:2
            2⤵
              PID:616
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1404 /prefetch:8
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1384
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1876 /prefetch:8
              2⤵
                PID:1484
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2224 /prefetch:1
                2⤵
                  PID:1700
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2076 /prefetch:1
                  2⤵
                    PID:1752
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2840 /prefetch:8
                    2⤵
                      PID:2060
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3348 /prefetch:2
                      2⤵
                        PID:2200
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3412 /prefetch:1
                        2⤵
                          PID:2244
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3556 /prefetch:8
                          2⤵
                            PID:2312
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3660 /prefetch:8
                            2⤵
                              PID:2320
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=640 /prefetch:8
                              2⤵
                                PID:2624
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1096,17152255399565062148,14755578622438870192,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=680 /prefetch:8
                                2⤵
                                  PID:2684

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • memory/516-59-0x000007FEFC591000-0x000007FEFC593000-memory.dmp

                                Filesize

                                8KB

                              • memory/1128-54-0x0000000000B60000-0x0000000000D3A000-memory.dmp

                                Filesize

                                1.9MB

                              • memory/1128-55-0x0000000076961000-0x0000000076963000-memory.dmp

                                Filesize

                                8KB

                              • memory/1128-57-0x0000000000B10000-0x0000000000B1A000-memory.dmp

                                Filesize

                                40KB

                              • memory/1128-56-0x0000000000B10000-0x0000000000B1A000-memory.dmp

                                Filesize

                                40KB

                              • memory/1128-58-0x00000000044C6000-0x00000000044D7000-memory.dmp

                                Filesize

                                68KB

                              • memory/1128-61-0x0000000000B10000-0x0000000000B1A000-memory.dmp

                                Filesize

                                40KB

                              • memory/1128-60-0x0000000000B10000-0x0000000000B1A000-memory.dmp

                                Filesize

                                40KB

                              • memory/1916-63-0x000000006D4F1000-0x000000006D4F3000-memory.dmp

                                Filesize

                                8KB