Analysis

  • max time kernel
    149s
  • max time network
    148s
  • 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, 22:49

General

  • Target

    ff2d44f67249bf7d450dc5c89e400ddea8028e6435a2f732205712f7b4fa043a.exe

  • Size

    230KB

  • MD5

    81a970035004f4d7bd21c4e0145816b3

  • SHA1

    b122e48ec632de3ffdaeb0d3e19a6bb1ad25ab6e

  • SHA256

    ff2d44f67249bf7d450dc5c89e400ddea8028e6435a2f732205712f7b4fa043a

  • SHA512

    2d9bbaf481e2301e5644e6921210f95a2d3268b32344feb23ee36938f865fbea40a7d52ec70cb66389cb7e5c344511278799e3070ab88ab038ed749d431fa8f2

  • SSDEEP

    3072:psN9GkuJVL//rfzYs6X/D/24l/DFeodwgjf+FvC6C36lnWesuoB+yWPduoKt5Jbt:O9TuJKrZl/DFf3WC3as7B+mC0

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:3440
      • C:\Users\Admin\AppData\Local\Temp\ff2d44f67249bf7d450dc5c89e400ddea8028e6435a2f732205712f7b4fa043a.exe
        "C:\Users\Admin\AppData\Local\Temp\ff2d44f67249bf7d450dc5c89e400ddea8028e6435a2f732205712f7b4fa043a.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:732
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a319F.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3040
          • C:\Users\Admin\AppData\Local\Temp\ff2d44f67249bf7d450dc5c89e400ddea8028e6435a2f732205712f7b4fa043a.exe
            "C:\Users\Admin\AppData\Local\Temp\ff2d44f67249bf7d450dc5c89e400ddea8028e6435a2f732205712f7b4fa043a.exe"
            4⤵
            • Executes dropped EXE
            PID:2484
        • 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:4464
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4580
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1284

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Program Files\7-Zip\7z.exe

              Filesize

              573KB

              MD5

              aef7575f51a64c02512faec6ec594b37

              SHA1

              a9cf714c2694fbc836478d291ac13e9c974376c8

              SHA256

              f1145beb3145c2f04bb0fb54cee283fa8a6fc3856d33de72d4ac765252eedd9e

              SHA512

              387e6bbff93933818e58a319f3c176476669eb75739e809984aee5f5931664066b60b50a14b774041c19e7d96c3a77c939a0f361369d9e9ee63cce8bdd6a2b95

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

              Filesize

              639KB

              MD5

              1499355ed58dcd6d75ddfc4cbd8dc2ed

              SHA1

              4788faf684956befaef48b44c7f92f75a1e92b9b

              SHA256

              b73175163039dade2847d67580055784a519918302a0990d73989160dedb6273

              SHA512

              815a1aca257d08d81394f68c154a16152960909481d0b7e46c2facfa3d1bc0d58a425772fa223dd526869810da5b9451375c585897f4b45b1e770b063c8cee8a

            • C:\Users\Admin\AppData\Local\Temp\$$a319F.bat

              Filesize

              722B

              MD5

              a3b3386b99f5ada5f974b1fa5a38713a

              SHA1

              33c138397b4f71e5d53bee0cff4e49b8b5d43e44

              SHA256

              350be41ff10a9f31f62cbe0b64575ba6912d13c4a596a80325df7dd4b55412e9

              SHA512

              f8c68f0cf96819a5375e6b9aeb5137379b4f51b9b0ad10f54541e1534fa8f7dcd582f143e4ef6a990a9931b485be2bf8410679a88673317fb5fcda3a57897d23

            • C:\Users\Admin\AppData\Local\Temp\ff2d44f67249bf7d450dc5c89e400ddea8028e6435a2f732205712f7b4fa043a.exe.exe

              Filesize

              201KB

              MD5

              24e62a7c8d7f60336e60c003af843a87

              SHA1

              9576d1924d37113c301cadfd36481586cdef870c

              SHA256

              43f7de9fae6b79a844d7da6056ac82beadf028a347e227c2bc33d503f7eb402c

              SHA512

              34f33015d3e7cabdea2ef39f7f149aaf39caa534b188a34021e577d68bbc48d1d99b7b13a1303d4ebaf5c29fda0bb573f3a6cb171aa2db67cc4b25292eac4a36

            • C:\Windows\Logo1_.exe

              Filesize

              29KB

              MD5

              ebc04b68220fe42214f6e956dd0e11d7

              SHA1

              b2a08b56a5a3d14099dc5051cfc9982fb0928cbe

              SHA256

              e1da881d46f1a95a0d9feda9b101b4a8b4fb34ce88104b1c77e6fa8a1d521686

              SHA512

              de96196dafbb4f3eaf46778382fb6ecaacf16053e5d767ecc7be083db43e13a700e4fcc3dcb9c1b98d658bcce25af5d99b66565b0ac4d5907f5185fe2871e542

            • F:\$RECYCLE.BIN\S-1-5-21-1132431369-515282257-1998160155-1000\_desktop.ini

              Filesize

              9B

              MD5

              2be02af4dacf3254e321ffba77f0b1c6

              SHA1

              d8349307ec08d45f2db9c9735bde8f13e27a551d

              SHA256

              766fe9c47ca710d9a00c08965550ee7de9cba2d32d67e4901e8cec7e33151d16

              SHA512

              57f61e1b939ed98e6db460ccdbc36a1460b727a99baac0e3b041666dedcef11fcd72a486d91ec7f0ee6e1aec40465719a6a5c22820c28be1066fe12fcd47ddd0

            • memory/732-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/732-8-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-26-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-32-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-36-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-19-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-1226-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-4792-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-12-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/4464-5231-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB