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Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 05:57

General

  • Target

    fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe

  • Size

    3.0MB

  • MD5

    f6f14b2e7da58a8b03216e62f9669a00

  • SHA1

    6f631a93440aca643b8762c4b6ad35882e1dfdaa

  • SHA256

    fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f

  • SHA512

    87a3867a6405534cdd819dda7b79e01a701abe28722f2267293ce6a9326598ea2bf76b6a8940e75f2cb65fc476e5c6c152a655cdd6ed2fdc13f36d6f4f0d2ab0

  • SSDEEP

    49152:w7cDNdGSJX4DJ5OSt0CE86GD68BpvvcIoxhhZzlDz9NT7cnbrhcPM:Vjicx868XvcXZNTsF

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:3396
      • C:\Users\Admin\AppData\Local\Temp\fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe
        "C:\Users\Admin\AppData\Local\Temp\fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4472
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a2F9B.bat
          3⤵
            PID:1524
            • C:\Users\Admin\AppData\Local\Temp\fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe
              "C:\Users\Admin\AppData\Local\Temp\fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe"
              4⤵
              • Executes dropped EXE
              PID:3480
          • 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:1508
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:436
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:1088

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

          Filesize

          251KB

          MD5

          c65bcc4201f7f618a8ce6de5677fa65a

          SHA1

          2992b7d62355470ced5ed4bc5a640f2cf8978278

          SHA256

          d460b00e491d72836b5f489a1c506f03077eda1ceaf7f0fb07bbe6c66c0e0962

          SHA512

          d2b45731d044e91583ef3bde0e33f0c6131ba2145a9211aa866c61cde5d07de2522e3f8713adcc40d5e897789b62eb891f275c2c074c47ceb3934a8fbf2c74cc

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

          Filesize

          570KB

          MD5

          1c434a8089bce96d071ae9a9af3352c3

          SHA1

          8a491f89890b07401225fa78ce37a2f27f77659a

          SHA256

          1f977cacc50fbf59979c0dcc35e250abc63309b1e9f95258fe59b74024b44f92

          SHA512

          810648c4c4b5f3f08b3884c59f48158976fe36f1e30bcd505d2c998f342d787518075e3a0a8c00b3eaa464c4b03dff998228d4fe3b87daeb7f10fa0d4a542f73

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

          Filesize

          636KB

          MD5

          2500f702e2b9632127c14e4eaae5d424

          SHA1

          8726fef12958265214eeb58001c995629834b13a

          SHA256

          82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

          SHA512

          f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

        • C:\Users\Admin\AppData\Local\Temp\$$a2F9B.bat

          Filesize

          722B

          MD5

          80002797289e6570b84223084ad7d396

          SHA1

          172a777538fc6e0eff0a87e7c9526074239bb117

          SHA256

          c0298b1554b614837c7aaa85d602f4faff764ee1f8530bbb803b37d5a05cb8d5

          SHA512

          d48357ac7d89f8c9d0bbc652cdb753ce4e581aaf52a78fba1c1d56304136bf1d2f0c79baec09492de0cc331887a074852a90cca7ca5b100048eecc3a656eebea

        • C:\Users\Admin\AppData\Local\Temp\fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe.exe

          Filesize

          3.0MB

          MD5

          ffa2b8e17f645bcc20f0e0201fef83ed

          SHA1

          a1a1174843ddac048b9fdf2808add848873f320a

          SHA256

          2b42729ba9cd20511a28398279009e10533b0d911164a3f4af58a25ce2916530

          SHA512

          0afcdfc7a7509deed88c81552e881fa5e0405f3b87fb3732c2a2507dd19c47c41a074fa905bdef72bd4a6087b5962054b8953affac13b083eecbdf05552d1ef5

        • C:\Windows\Logo1_.exe

          Filesize

          26KB

          MD5

          736bfccf89b0055bacacf13bc37b50ce

          SHA1

          dabc333f28e954f49aa80a3b0531160ae5bdec82

          SHA256

          6fa3aa279929eee03df371ace16a751b2184da323b9c72ab97bb36c947aa12c3

          SHA512

          a7af014c4f8d3af22c2fe20fbd50a6c52d17d77adf0e59365e67c98fbdbd4890a96d2b010e42728bb33f92ab468e1ec50449fb97c10c3204ac13c49d9ef8d578

        • F:\$RECYCLE.BIN\S-1-5-21-355664440-2199602304-1223909400-1000\_desktop.ini

          Filesize

          9B

          MD5

          72b7e38c6ba037d117f32b55c07b1a9c

          SHA1

          35e2435e512e17ca2be885e17d75913f06b90361

          SHA256

          e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

          SHA512

          2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

        • memory/1508-26-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-33-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-36-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-19-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-71-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-1227-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-4792-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-9-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1508-5231-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/4472-0-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/4472-12-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB