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Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 08:52

General

  • Target

    512cd8104a96191216e2316b00a729b9e9cfd0191551d39fcd4944080d2670c3.exe

  • Size

    70KB

  • MD5

    892772aa0331b21a22e480928647f38f

  • SHA1

    eb0aa18bd65f530c866b32962436a9993d4fca57

  • SHA256

    512cd8104a96191216e2316b00a729b9e9cfd0191551d39fcd4944080d2670c3

  • SHA512

    19ed9aa4c06759824f8cdfc36b5843f05baffbb1cd8463a219030551304a4a212700c31fda7c7180b40c056aa572dff13f4cc176b3dcf5702fd98652bf57946a

  • SSDEEP

    1536:ps3SHuJV9NdEToa9D4ZQKbgZi1dst7x9PxQ:pskuJVLtlZQKbgZi1St7xQ

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:1204
      • C:\Users\Admin\AppData\Local\Temp\512cd8104a96191216e2316b00a729b9e9cfd0191551d39fcd4944080d2670c3.exe
        "C:\Users\Admin\AppData\Local\Temp\512cd8104a96191216e2316b00a729b9e9cfd0191551d39fcd4944080d2670c3.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2332
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aBF78.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2492
          • C:\Users\Admin\AppData\Local\Temp\512cd8104a96191216e2316b00a729b9e9cfd0191551d39fcd4944080d2670c3.exe
            "C:\Users\Admin\AppData\Local\Temp\512cd8104a96191216e2316b00a729b9e9cfd0191551d39fcd4944080d2670c3.exe"
            4⤵
            • Executes dropped EXE
            PID:2504
        • 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:2052
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2000
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2268

      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

        c420c4af538b11e5654382b1b95c1f74

        SHA1

        b9c6a3a3f463948c25e162214d064039eb394b1b

        SHA256

        1605b0cd978c5eea742ac6c780774a1c921791a0b8efb5a4df0ef8243db956ce

        SHA512

        094687162f991b97ebc4a6b9f9bf0de05631ddde6fbec11595948c7c3ebdd1dd4e3d34bddd470beee8614d6c9533c394b4c700664ce0c41ee52df6e192bc1526

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

        Filesize

        474KB

        MD5

        2faaad87f08521fcc8daee0d433d478b

        SHA1

        a75b87049a6c122b921f66cddeabb12502857a2f

        SHA256

        70546de82df8bdbcd9022e1bd74a8f50d61dd19532aeaa32a69582acda025b25

        SHA512

        1dff24a69a25f323075c8553c643c1b5bbe83a5c6d975467dabd6027ff48d0c9d0cd06ecdbf6b6a5f97a060e0353eb31898d66a9e1adcc5497e05bac06566f27

      • C:\Users\Admin\AppData\Local\Temp\$$aBF78.bat

        Filesize

        722B

        MD5

        9905f1007510a4eea8ff5dea0fbbd5d7

        SHA1

        ea45884fd8709bb69a08079e0b51a2627f225098

        SHA256

        d86913a0c2c0618fa501d1055f177868c8eead8b04846b4d9a5645313c099559

        SHA512

        fdf4b075d8e6edf68e713084ebc972eb0edb2588212687fe9bb0e56b09f33169438bcb4890999419022c8ba14eeb2db6dd363999c70f0898a6e2376ccdd21c08

      • C:\Users\Admin\AppData\Local\Temp\512cd8104a96191216e2316b00a729b9e9cfd0191551d39fcd4944080d2670c3.exe.exe

        Filesize

        41KB

        MD5

        977e405c109268909fd24a94cc23d4f0

        SHA1

        af5d032c2b6caa2164cf298e95b09060665c4188

        SHA256

        cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

        SHA512

        12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        5b4c3134de39fdc610b472ca6e113242

        SHA1

        7941f97bab57022193bad8718a864b72c55eefc9

        SHA256

        cd8cbf6357454d633657c471e6ef57a5cbeadb7df75d37d8ebe93e0097967a6c

        SHA512

        717ba94652d293686833b1f4a759826d54cac51498fabbfaff240c1c9959d9deea38f277537c604d21ad70e8237fec0cf769bb5adcb4bc52e5ade69efbddab86

      • F:\$RECYCLE.BIN\S-1-5-21-1385883288-3042840365-2734249351-1000\_desktop.ini

        Filesize

        9B

        MD5

        1368e4d784ef82633de86fa6bc6e37f9

        SHA1

        77c7384e886b27647bb4f2fd364e7947e7b6abc6

        SHA256

        57507bed6cf91d70e66bd4cc287634889ef30b648cb7c44a4edec0e2cb68b772

        SHA512

        3cb7168e776eb564768e30eba43174014a85108ab306a7c07a1522fb42173c381a5bff9ac10944fd345dd5308061cbe2878c60d1e878f8768281c1adcf5dd85b

      • memory/1204-29-0x0000000002D20000-0x0000000002D21000-memory.dmp

        Filesize

        4KB

      • memory/2052-18-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-31-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-38-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-44-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-90-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-96-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-641-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-1873-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-2317-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2052-3333-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2332-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2332-16-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB