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Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 20:18

General

  • Target

    acaa70b42a9ebf427eca692ee41975a3f2d6d79ce8e71d21d27f18de6f0547b6.exe

  • Size

    487KB

  • MD5

    53c0b44c4428fe84fef965589e0e02e2

  • SHA1

    e94d4fa831efb3d1fd028fd30267115e027072f4

  • SHA256

    acaa70b42a9ebf427eca692ee41975a3f2d6d79ce8e71d21d27f18de6f0547b6

  • SHA512

    0eab0e276c539747c87f0aee184929b6d005fef401e8c1acf68d6974f17782ee2dceab5b4160152965d1b56332cf7eb64d2f9b6ef5e25369ff8187d0a63b6106

  • SSDEEP

    6144:MtuJoz1gL5pRTMTTjMkId/BynSx7dEe6XwzRaktNP08NhKs39zo43fTtl1fayCV4:g1gL5pRTcAkS/3hzN8qE43fm78V

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\acaa70b42a9ebf427eca692ee41975a3f2d6d79ce8e71d21d27f18de6f0547b6.exe
        "C:\Users\Admin\AppData\Local\Temp\acaa70b42a9ebf427eca692ee41975a3f2d6d79ce8e71d21d27f18de6f0547b6.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1916
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a167D.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2004
          • C:\Users\Admin\AppData\Local\Temp\acaa70b42a9ebf427eca692ee41975a3f2d6d79ce8e71d21d27f18de6f0547b6.exe
            "C:\Users\Admin\AppData\Local\Temp\acaa70b42a9ebf427eca692ee41975a3f2d6d79ce8e71d21d27f18de6f0547b6.exe"
            4⤵
            • Executes dropped EXE
            PID:2628
        • 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:1704
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2696
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2508

      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

        254KB

        MD5

        f134d58f0c72c193a05ff5819d09f8d6

        SHA1

        85c6d5b8cb938c5b8b7437693a4f6e97caa94fdf

        SHA256

        0b329835e955ce06b673448b91b9bea022bc741cd855123dd5f8988d4385b031

        SHA512

        27c84f45bacb5c95ca340b6a8da7a81ece4cdb3adf2c3f85726f79c7a35cf7b6eb37c6703b6c275d5861ea0585c43c2bbc95f5331aec240ee234fceb72ed33c6

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        474KB

        MD5

        39d0021b923509b5e31096b0f119bada

        SHA1

        5cdb5aacdc36fc52472de30f738c1770c0be28fa

        SHA256

        6245380525c0df016952045413482bc868b12263353c73d1834e268a634fbd1c

        SHA512

        eb9a24f56f778ab8738acef21ec58815e108f2bfe69d4dfb28c1628a67e0037bcc557591fcdf754815351a8da77fd0315a1271ac1a5ac6d9b3e6c3822519c1cf

      • C:\Users\Admin\AppData\Local\Temp\$$a167D.bat

        Filesize

        722B

        MD5

        da475d3a07c3b28652b0df2267170395

        SHA1

        0f8a109206683a9416fb1e18a2f8f7da9d82a318

        SHA256

        aac168f7c7fb8e50e74b7bf2b46fee3fc6c90d70c5959b9b38f6dcbe84334cb1

        SHA512

        97e4652a6e21a7ab2fc63ffc8fb6e543d55dda307198276dff557b928212b2f3fbbf4f9143b13e1a71529df976e6e1348556150b54da3a0476b95c7b4e9a7b1e

      • C:\Users\Admin\AppData\Local\Temp\acaa70b42a9ebf427eca692ee41975a3f2d6d79ce8e71d21d27f18de6f0547b6.exe.exe

        Filesize

        458KB

        MD5

        619f7135621b50fd1900ff24aade1524

        SHA1

        6c7ea8bbd435163ae3945cbef30ef6b9872a4591

        SHA256

        344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

        SHA512

        2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        af29fb6a5adf025d9127df13f942d7d2

        SHA1

        72d13969443440eb123cfb43f924c4959eae7638

        SHA256

        d83088ef692a221a033bfb31d7178f7f04182df4480ac946b53807fda9cdd040

        SHA512

        10c6c2a56386b35f52e8b220def9cace7a57a70672a97aeb3c95df14d832416d6057fabccd86c4f473e354a87e378ff0ac3cf0e503ee3db9f909897ef7776079

      • F:\$RECYCLE.BIN\S-1-5-21-2737914667-933161113-3798636211-1000\_desktop.ini

        Filesize

        9B

        MD5

        392ab9dcf5a9daf53626ea1f2e61d0b9

        SHA1

        0a2cdc7f8f9edf33f9fde3f8b90e0020190c8fb7

        SHA256

        9bbc94aad502d7d7a7f502ddb9cbd93b1c89eff13e445971c94ac09215ada67d

        SHA512

        5d1fea63a7793a65dc63c32cfe3ab2e1af941ded8e760f08fbe991e5b30433f86f920d717235a635020740c8f6f7996b4b8e8147e331b29141fcbb7bdc68144d

      • memory/1208-30-0x0000000002D00000-0x0000000002D01000-memory.dmp

        Filesize

        4KB

      • memory/1704-92-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1704-33-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1704-40-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1704-46-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1704-98-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1704-533-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1704-1875-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1704-3335-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1916-19-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1916-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1916-17-0x0000000000250000-0x0000000000286000-memory.dmp

        Filesize

        216KB

      • memory/1916-12-0x0000000000250000-0x0000000000286000-memory.dmp

        Filesize

        216KB