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Analysis

  • max time kernel
    150s
  • max time network
    114s
  • 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, 14:07

General

  • Target

    7ef48a838fc52f8399bdc6fb900410fa02a29a983c5bc491edceef4f33748c45.exe

  • Size

    788KB

  • MD5

    52c7dcefe0a2d27b523d9a669ca438cf

  • SHA1

    baaee11d0fe53cc512dba7c9dd3a5f2533fe2433

  • SHA256

    7ef48a838fc52f8399bdc6fb900410fa02a29a983c5bc491edceef4f33748c45

  • SHA512

    da60748e7edee16e44faaf94a088a470d3e324086f2c5d471baa51c9a59cd5342acc23c1f8fa9323c287e42b3eae7068dcf4f79883dac5a4739f5be7637f91de

  • SSDEEP

    12288:C7+3xvhrBVVaUOFH4OVlmgTwvLD3cJzNwOKhVIe:C7CbBVwUOuOU3cZaOIIe

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:3568
      • C:\Users\Admin\AppData\Local\Temp\7ef48a838fc52f8399bdc6fb900410fa02a29a983c5bc491edceef4f33748c45.exe
        "C:\Users\Admin\AppData\Local\Temp\7ef48a838fc52f8399bdc6fb900410fa02a29a983c5bc491edceef4f33748c45.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2100
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a513D.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3348
          • C:\Users\Admin\AppData\Local\Temp\7ef48a838fc52f8399bdc6fb900410fa02a29a983c5bc491edceef4f33748c45.exe
            "C:\Users\Admin\AppData\Local\Temp\7ef48a838fc52f8399bdc6fb900410fa02a29a983c5bc491edceef4f33748c45.exe"
            4⤵
            • Executes dropped EXE
            PID:2684
        • 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:1212
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4132
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4504

      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

        2c368c4079cec9a57fee722e7925399c

        SHA1

        ced4580a1bca5b5ca94dd72691ee8a812f300553

        SHA256

        0b7b6e95fb066be8fb5c68ad7e5513bd9a6e5de9b6493a7824f558e0b6271a63

        SHA512

        88678c361f1a9351d543324c8ad96fda1199f78fba987463d7bf790bf738d608b1f865aa8f356cc6b340a2213a6b16a688991cba2444f9e187a6feab2efe7152

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        7a63da187108860bde3275ad9f05f588

        SHA1

        18dad5c1c5c60da2c0799050f2329976867b8479

        SHA256

        481f7de140559cc634ad5691892d6f27f33ef66c6851bc03cf7980a821aaca1d

        SHA512

        e2d75752ce287272e1b34d54021f201e2d7e1fd786ba40f93c873b5c5e87bde24a39db840c1d4c8d86ddb03f9f3c865216539f6b3a9700ccfb326335edee943d

      • 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\$$a513D.bat

        Filesize

        722B

        MD5

        dd1b9e60122f63b71b3899edcc68a32e

        SHA1

        990f92443198436e8298f2c1cb830102903c3f2f

        SHA256

        2e4c3a3bd6e6de37586308c4a2690e890113c49eca926094a585dda9dd63ed33

        SHA512

        b29b2c7eb1a78c2aee25f6cc8063a12df0a7183b62a71fc0eb0e022f3ecc2a6ee4730e8ae47ac64b96927f517f7cce358e0d6b9a5b6729e893f2488c39d53094

      • C:\Users\Admin\AppData\Local\Temp\7ef48a838fc52f8399bdc6fb900410fa02a29a983c5bc491edceef4f33748c45.exe.exe

        Filesize

        762KB

        MD5

        e6ce6c136740c736fd5be4e18de82117

        SHA1

        cca1b677d6a97ffb121a25a1e2d36b0b03ddb9ea

        SHA256

        c623f1c54437a44ae29701e6b9c3e68f9fe6ffbde06d23fffc1d7843c9b1331d

        SHA512

        6a50b7325bce263f8d74a8b1216bd9307385972492414c3d1595f99833e5f6abd4fc2676eb0df0f49c012ac9e3fbeaca3d4723df5ecc1f7faa1ee1ea180fff52

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        487da9891a1e7032841518d66e9f99f4

        SHA1

        af90ab8039b6920e1ac83191780b324b3605a26f

        SHA256

        f2acf2477402b55c9f408c6fbde18ad3d2d5b1ea94a504dc60d651813349001c

        SHA512

        99d74cc9a5bd8141cf1e81a4e0474d178fe7812163620450bc1ce3fb5d5d494a5c91c6de55e315675d615a98ebfa43854267c57e4d02603d3b322b20dbe2ffaa

      • F:\$RECYCLE.BIN\S-1-5-21-2288054676-1871194608-3559553667-1000\_desktop.ini

        Filesize

        9B

        MD5

        72b7e38c6ba037d117f32b55c07b1a9c

        SHA1

        35e2435e512e17ca2be885e17d75913f06b90361

        SHA256

        e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

        SHA512

        2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

      • memory/1212-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-110-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-1227-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-4792-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1212-5231-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2100-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2100-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB