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
    17-04-2024 16:47

General

  • Target

    cf5ba7ef3b4b393d1cf339d637d7dbd09d387032f25cee70d60856b55d4e3d3d.exe

  • Size

    70KB

  • MD5

    22af10cabc19ee8322e8deb819de4617

  • SHA1

    5414755a48ebf0bc3bac4a8740f878aebc885fcf

  • SHA256

    cf5ba7ef3b4b393d1cf339d637d7dbd09d387032f25cee70d60856b55d4e3d3d

  • SHA512

    b5cd6a0b500a97844885cd8304a0ed3b47adc8054e5cf06b030d4cd9e6cc3dcd12f89e0abb3c8c93d17c229a582c3725514f80b586f7092fc36d47f11028701f

  • SSDEEP

    1536:pm/3SHuJV9NdEToa9D4ZQKbgZi1dst7x9PxQ:p8kuJVLtlZQKbgZi1St7xQ

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 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3464
      • C:\Users\Admin\AppData\Local\Temp\cf5ba7ef3b4b393d1cf339d637d7dbd09d387032f25cee70d60856b55d4e3d3d.exe
        "C:\Users\Admin\AppData\Local\Temp\cf5ba7ef3b4b393d1cf339d637d7dbd09d387032f25cee70d60856b55d4e3d3d.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a5B9D.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4336
          • C:\Users\Admin\AppData\Local\Temp\cf5ba7ef3b4b393d1cf339d637d7dbd09d387032f25cee70d60856b55d4e3d3d.exe
            "C:\Users\Admin\AppData\Local\Temp\cf5ba7ef3b4b393d1cf339d637d7dbd09d387032f25cee70d60856b55d4e3d3d.exe"
            4⤵
            • Executes dropped EXE
            PID:4144
        • 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:2364
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4820
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4528

      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

        eb66aeba0b1605c2e24099d6bebbee60

        SHA1

        7d359b38ae89719f94822b37ebf4d2b430273fc1

        SHA256

        d0ace78e36f1fa09cc9aaa5bab7467fd622b8e1b68a7fde6d9ebd7a28402bfb4

        SHA512

        50df597ba136b49aba285a1c2a1ec7a6befc27ea86d15ab5fc4913b11e394e58615e00d937d4ec83a64bd342773f448be40a07f07026a34fef0eb58881fe8548

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        573KB

        MD5

        b2eb7f9a9914622c28aa2035e4743435

        SHA1

        942abf924487ca5b07a6d86e25333984c35a4306

        SHA256

        23b3ef70472b1789d2b37c102306057e2e47e92d202692b02e50ba84e4fd2714

        SHA512

        c83729577992dfbefcd4fefe4796495b0ba344b42e22b5243f6eecd45285c54dc3aadf885a553c5d4e82aa485295175904ee9f4f6b9285dc27ae6db1ccb545bf

      • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

        Filesize

        639KB

        MD5

        73b84e696764a6109051d306b9e13984

        SHA1

        4649e99be02adfdd0d844013b3bc61be85ae28bf

        SHA256

        ab5e87fc7a7d616a677f0a69f1eb858322f1c14defa4ea04b9fd05f0c7e166de

        SHA512

        1692b47b0f9743a6160134849323e518f5f7689edf8b8bae17385354d034b307c29a0793652ed89c7a6df6e8fd21d59525620ed6176542bd8607e9938788b680

      • C:\Users\Admin\AppData\Local\Temp\$$a5B9D.bat

        Filesize

        722B

        MD5

        7f3ee31c2f9f38b43159f72c7563af4b

        SHA1

        5b71901b30a2247c94dc0b0b96424384118604e4

        SHA256

        7c07e9d6f4ff842523df47f7a5308b5a1b7241c5537d5e0117d8796252ce59a8

        SHA512

        ba3ebe5c8ea2f0cd57b4f89d94cd17d75ac3c07155d96cfc49b67c30414d5521a108edc01f18cea19746c6641cd615119d28c38e4ac5d51005cc2816eed70169

      • C:\Users\Admin\AppData\Local\Temp\cf5ba7ef3b4b393d1cf339d637d7dbd09d387032f25cee70d60856b55d4e3d3d.exe.exe

        Filesize

        41KB

        MD5

        977e405c109268909fd24a94cc23d4f0

        SHA1

        af5d032c2b6caa2164cf298e95b09060665c4188

        SHA256

        cd24c61fe7dc3896c6c928c92a2adc58fab0a3ff61ef7ddcac1ba794182ab12f

        SHA512

        12b4b59c1a8e65e72aa07ee4b6b6cd9fdedead01d5ce8e30f16ca26b5d733655e23a71c1d273a950a5b1a6cce810b696612de4a1148ac5f468ddf05d4549eed5

      • C:\Windows\Logo1_.exe

        Filesize

        29KB

        MD5

        e750450feb988173cd0702240cb59282

        SHA1

        9bf8c16349d34fd44d810754b81b26d8e4e5b194

        SHA256

        2f44a07e69eda910a34613743fecfb6dc01e461546e98e2ab7ca2e684167979d

        SHA512

        dc992644deed19d7b7a315834d011c51f8bd7ae4061dd007f6099e7fa4f9f54a70f415e7478df53d7952e18caed12cc4ba3b358d8d1b8c10cafddf0d8c4f72c2

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

        Filesize

        9B

        MD5

        2be02af4dacf3254e321ffba77f0b1c6

        SHA1

        d8349307ec08d45f2db9c9735bde8f13e27a551d

        SHA256

        766fe9c47ca710d9a00c08965550ee7de9cba2d32d67e4901e8cec7e33151d16

        SHA512

        57f61e1b939ed98e6db460ccdbc36a1460b727a99baac0e3b041666dedcef11fcd72a486d91ec7f0ee6e1aec40465719a6a5c22820c28be1066fe12fcd47ddd0

      • memory/1140-8-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/1140-0-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-26-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-36-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-33-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-1226-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-19-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-4792-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-12-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB

      • memory/2364-5231-0x0000000000400000-0x0000000000436000-memory.dmp

        Filesize

        216KB