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Analysis

  • max time kernel
    149s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/04/2024, 18:15

General

  • Target

    1d50d30d6bbc81d23d79f7a7ba6dd696dec551505e2ee30f4566d94780560547.exe

  • Size

    5.7MB

  • MD5

    d2cea32067b734a56bdb984a733e0ed2

  • SHA1

    0bec4374428e1f761c9eb0cc8a59e257582c34c8

  • SHA256

    1d50d30d6bbc81d23d79f7a7ba6dd696dec551505e2ee30f4566d94780560547

  • SHA512

    2b9a0770546b42207230d21c92b0fb48db45aaba87f6a723735a202853f084855f59fb88bf28b03c83ff15cbfee8d8d8571c0aea553f05f69038486d58b2584d

  • SSDEEP

    49152:VPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTPBJ:RKUgTH2M2m9UMpu1QfLczqssnKSk

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3372
      • C:\Users\Admin\AppData\Local\Temp\1d50d30d6bbc81d23d79f7a7ba6dd696dec551505e2ee30f4566d94780560547.exe
        "C:\Users\Admin\AppData\Local\Temp\1d50d30d6bbc81d23d79f7a7ba6dd696dec551505e2ee30f4566d94780560547.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:640
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a472B.bat
          3⤵
            PID:4196
            • C:\Users\Admin\AppData\Local\Temp\1d50d30d6bbc81d23d79f7a7ba6dd696dec551505e2ee30f4566d94780560547.exe
              "C:\Users\Admin\AppData\Local\Temp\1d50d30d6bbc81d23d79f7a7ba6dd696dec551505e2ee30f4566d94780560547.exe"
              4⤵
              • Executes dropped EXE
              PID:4532
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Executes dropped EXE
            • Enumerates connected drives
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2436
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:224
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:3188

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

          Filesize

          247KB

          MD5

          5bdba276cb3a3c94d6d018d340769fde

          SHA1

          e312f8663db13cdba2b1b13b50d403833157a409

          SHA256

          be4e09a053010f30cfd0db249fdb4d320025d5d8ef2115561c4b839a1ff8746e

          SHA512

          a018032886c172ffb079291d91d0ca86f2e0b72d3bec30d5b5255f42d1adc377b2ab9a4f7780682dd62a0a392507948eb5a38265da82b3ada767659976e83f53

        • C:\Program Files\7-Zip\7z.exe

          Filesize

          573KB

          MD5

          399f3eee788df3d79f4a173c5c19c316

          SHA1

          5c52113251690fbafc0147ed2bd8bdc091375b09

          SHA256

          00262efc8d9f4367ee6fcf8034f04d2d9a498763bba5816356080b636248bd0c

          SHA512

          683970cebea31bf91f96d1898b10bcef87f43aaaddf836a935477a6347765500c2463971fd15418d529aa7b9c8168c953c4de8cf3506e40f0d6159a0dbf1e2de

        • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

          Filesize

          639KB

          MD5

          95818ea399e39ab52cca6282505bab97

          SHA1

          a6d30a0cad4bf9e669d2ad91e9fc89b6abb48446

          SHA256

          a8b8b159cbaa70753c1573d273bd6c932a5deb183f8b5de8e54974e4c17c1b2b

          SHA512

          8e43c1ea8cf483d7acf1bb791c8d22d6dfb4f9d35bb3ffc98c683f276ec391dc744424f2baf6b80337fb9d7540ec5e2462764ad7d45ed872e3a2cb609bb4ab3d

        • C:\Users\Admin\AppData\Local\Temp\$$a472B.bat

          Filesize

          722B

          MD5

          40811daaf87c7dd527658b86ae2249ba

          SHA1

          fde3144964b47983d3b9d63c45b7af88a12a495f

          SHA256

          7b87047b5321b30d1abaa4a3e5e0feec488f31c691b00f1d3eea8fdb98637036

          SHA512

          33e00b26a547286287b1230162307530867f6f990aa1dda7d8f1b46cc3aae2220826d1674962b7d02f2c522dd949dc85e4fba2bc603b8ec43f0a6097c74cbe59

        • C:\Users\Admin\AppData\Local\Temp\1d50d30d6bbc81d23d79f7a7ba6dd696dec551505e2ee30f4566d94780560547.exe.exe

          Filesize

          5.7MB

          MD5

          ba18e99b3e17adb5b029eaebc457dd89

          SHA1

          ec0458f3c00d35b323f08d4e1cc2e72899429c38

          SHA256

          f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

          SHA512

          1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

        • C:\Windows\Logo1_.exe

          Filesize

          29KB

          MD5

          3694524f0d407d1b4701670631cb329f

          SHA1

          b2e469373326f83e8fb4d47292461a8e40c7bcc5

          SHA256

          2006d7933127865f73262d653cbbd942766b7ffae304e623e02110af32049178

          SHA512

          5151fb5b7c1785e76f5f76be39abe81ef258993d4996fdef00f4d414ab5239bfbe482c41a43b35d5c575067a35187e7d795ad4089144a0705ff7714b05702b3f

        • F:\$RECYCLE.BIN\S-1-5-21-877519540-908060166-1852957295-1000\_desktop.ini

          Filesize

          9B

          MD5

          7d02194d5f21d1288ee3e3f595122aba

          SHA1

          68e51fcc75148bf51da5ad67c7137b85946fc393

          SHA256

          a4da2cd5e1bd5b7cc915b0572d2805cb074c16122fa7e5a41fbc1203aafc3416

          SHA512

          b5aba933dbbe76d9c49da7e4bd9aa8449f164d1a6563feb65e795fd497f42a5c8cc317186adf817990a180e46499987a7403b68b0b089a38ccda0fc9f2dd6c1c

        • memory/640-8-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/640-0-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-26-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-36-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-32-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-1237-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-19-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-4800-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-9-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB

        • memory/2436-5263-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB