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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-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

  • 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 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1196
      • 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:2792
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a2607.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          PID:3012
          • C:\Users\Admin\AppData\Local\Temp\fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe
            "C:\Users\Admin\AppData\Local\Temp\fa18e10af4ef35d0e8d9967d587b7a9be2b9c6f983b337675e317011f5d6b31f.exe"
            4⤵
            • Executes dropped EXE
            PID:2436
        • 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:2540
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2684
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2964

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

        Filesize

        471KB

        MD5

        4cfdb20b04aa239d6f9e83084d5d0a77

        SHA1

        f22863e04cc1fd4435f785993ede165bd8245ac6

        SHA256

        30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

        SHA512

        35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

      • C:\Users\Admin\AppData\Local\Temp\$$a2607.bat

        Filesize

        722B

        MD5

        8000a82328a4ccfc455b272000f4a3c2

        SHA1

        1c7032783a46862ae5a46475aabb46c9bcd30cd0

        SHA256

        87bc226c9edaf3e248addfece9a8ebc71fbc238b347144b4872cf317e7373641

        SHA512

        aba9bfd4591db419a01a8dd3401d20dda51d170f89b1a8b240506f4b56fdf589a6482afa3885a20d2976d5cadd99bf25a4b532bbd20de68f3a61fdd3eeea5961

      • 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-1-5-21-2721934792-624042501-2768869379-1000\_desktop.ini

        Filesize

        9B

        MD5

        72b7e38c6ba037d117f32b55c07b1a9c

        SHA1

        35e2435e512e17ca2be885e17d75913f06b90361

        SHA256

        e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

        SHA512

        2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

      • memory/1196-29-0x0000000002570000-0x0000000002571000-memory.dmp

        Filesize

        4KB

      • memory/2540-40-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-33-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-46-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-92-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-98-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-849-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-1852-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-2503-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2540-3312-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2792-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2792-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2792-16-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB