Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 22:29

General

  • Target

    bec92b7ed492cbb643ce9dc45d91e6776785b0ca185dd9ecbb5c5fd5d77bdaa4.exe

  • Size

    73KB

  • MD5

    21e94f334a6ee47431de6e5c8c3d4ada

  • SHA1

    636962e5ffbb16b4c4a28d4cd67b4ad65aea6787

  • SHA256

    bec92b7ed492cbb643ce9dc45d91e6776785b0ca185dd9ecbb5c5fd5d77bdaa4

  • SHA512

    51db417ad9821a74ebd49893d11803345623b132b4cb6ddc66bb39b55e71b903b338426808de08354f15696caaf4a42675e1146ebb8a7070579726be08666cc6

  • SSDEEP

    1536:tfgLdQAQfcfymNAwewCzebOInd4qfymD8xQUf:tftffjmNAwMeb4mD8

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 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3532
      • C:\Users\Admin\AppData\Local\Temp\bec92b7ed492cbb643ce9dc45d91e6776785b0ca185dd9ecbb5c5fd5d77bdaa4.exe
        "C:\Users\Admin\AppData\Local\Temp\bec92b7ed492cbb643ce9dc45d91e6776785b0ca185dd9ecbb5c5fd5d77bdaa4.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3324
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a2DD6.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3220
          • C:\Users\Admin\AppData\Local\Temp\bec92b7ed492cbb643ce9dc45d91e6776785b0ca185dd9ecbb5c5fd5d77bdaa4.exe
            "C:\Users\Admin\AppData\Local\Temp\bec92b7ed492cbb643ce9dc45d91e6776785b0ca185dd9ecbb5c5fd5d77bdaa4.exe"
            4⤵
            • Executes dropped EXE
            PID:4732
        • 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:1712
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1960
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1868

      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

        fa03025a5356ec12c1be2bf6f554120d

        SHA1

        2bcdaa6bbce818a1d260c4293a07b5076a104e56

        SHA256

        8906bb45077aeebb6eaca93bccaa133623f3b5e9dcc0b50dc4c6edcc3ea1571a

        SHA512

        c78ac5d658231ba4dfb54941dfd3fb6e0752d6ec6215743679d1274bd16f5e283dca110f63db3955c23091d2de3f75c2fc5b6630e0be36ea37a16eb81b8716b0

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        cdd1e1f44869a40a61f093b2806f23d3

        SHA1

        9856dd59b196a7d2100abee9edbd10c85423783f

        SHA256

        0f71dbf0dc35e50d076d2989bb16406ee436bbb1a8cdb051df58bd515fd230fa

        SHA512

        efaad454eef1d53e3ec8c885914fceebd30503c4791dbe32f0aa64f97ada2c207fab228d6e20142ba793cc76bcfc7ed591fc2c25c03872a2798550e07510fb40

      • 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\$$a2DD6.bat

        Filesize

        722B

        MD5

        daf648800e499178d414d204c9032756

        SHA1

        16db375dff50e97c62960cc59e5fc673a90fd29e

        SHA256

        8939080021226a1b9ccdc5c0350f6f10b90b9d96943167f52c81b75689a809a0

        SHA512

        a8b81bfebb7669b5933a63de3d638f6220d392e0a96ebd8e8ec6023391a02d02115504ef07d6c5d007528385ecc4ef7e78bf974daed6b31eb77ee42c88080724

      • C:\Users\Admin\AppData\Local\Temp\bec92b7ed492cbb643ce9dc45d91e6776785b0ca185dd9ecbb5c5fd5d77bdaa4.exe.exe

        Filesize

        46KB

        MD5

        4e72b2688d56dbb4f910bfcfab3f14b2

        SHA1

        a5315cba1cfe117f078b3864ebea2a2c67d3d917

        SHA256

        5056f7ab6992658ca02ab06314b6ed59dbb10d5c90b529e9a626d34d8bf34e0f

        SHA512

        e4771f17ffda255a65381d96191077d4dcf13c17fc13e5eefc39ade8e0235e3956ce47c317354d0d56061119643a39425a942a19f6846d37b0525fddb1709d21

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        4298e0c223e6572693e5a6b29279c1da

        SHA1

        5bd4c027c9433de22fec622bb7b13b863cee8de4

        SHA256

        bfe4186213f6d4cc116612e337bbe7a4c713d4cd02155dd649b31bf93476bd43

        SHA512

        d5df016ba3a3bcee7370ddd2aca1518fdde68dd681a17c45c8f7cf25a780be5903d49cf03410accfd8d176ce1653d9a49eb0544f5d0d1d091aa2d99fc8186ec1

      • F:\$RECYCLE.BIN\S-1-5-21-4018855536-2201274732-320770143-1000\_desktop.ini

        Filesize

        8B

        MD5

        fa8bf97ffdb152205be1f3a9bd9faec3

        SHA1

        88a5a98b6074543e357ec7ad221eaee5e30ec82a

        SHA256

        08a129c008511d5fc4ee1e2ad0fad3d0b033407f74285a18c6fe956d5dc2c9cb

        SHA512

        ea0a63f52af441964e4a2cddede537d87f1ad78241c883cf40334801056879bb1639ae75b2d9e3cceb90471837263760fc7d6c6708819c7a73fec703ba098443

      • memory/1712-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1712-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1712-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1712-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1712-1230-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1712-4796-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1712-5235-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3324-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3324-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB