Analysis

  • max time kernel
    150s
  • 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, 20:52

General

  • Target

    65afd31f1c3bbbb7f532bbb1c78e7ecd8966c0bcc914955c0a063ff8b05af959.exe

  • Size

    1.0MB

  • MD5

    c20dfdf6ea8686b22a1ac0eb07485ee3

  • SHA1

    0f64a5c54cbcaada6294b631fa2791c31a14b331

  • SHA256

    65afd31f1c3bbbb7f532bbb1c78e7ecd8966c0bcc914955c0a063ff8b05af959

  • SHA512

    8e87a89a4a81829a56d3e590ac297129ee35d02edef0a7e9fd82237ffc7d8427039495f86d31fb09092782f4d71c8f360681700e47e46d657e28599488887155

  • SSDEEP

    12288:e7+aG8YPiCVkBTPZrlgcVHuJtzVu+0TD1qsWQGGBK5xoOJKWoUDvvnB:e7z3KkBlLuJ0gaBK5W69oYnB

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\65afd31f1c3bbbb7f532bbb1c78e7ecd8966c0bcc914955c0a063ff8b05af959.exe
        "C:\Users\Admin\AppData\Local\Temp\65afd31f1c3bbbb7f532bbb1c78e7ecd8966c0bcc914955c0a063ff8b05af959.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3904
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aD021.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:5076
          • C:\Users\Admin\AppData\Local\Temp\65afd31f1c3bbbb7f532bbb1c78e7ecd8966c0bcc914955c0a063ff8b05af959.exe
            "C:\Users\Admin\AppData\Local\Temp\65afd31f1c3bbbb7f532bbb1c78e7ecd8966c0bcc914955c0a063ff8b05af959.exe"
            4⤵
            • Executes dropped EXE
            PID:3692
        • 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:4428
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4484
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2460

      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

        a01e6109fa444fefd224f13a587b5fab

        SHA1

        c7f9c6f2d77c1588d737c42a6278e7932e7f7d0c

        SHA256

        31a0d780a00076d39e77be95c58ed30e9a7a17f56e34682120ec9a39e9f5d0ad

        SHA512

        813c15101e16184bc1b6bc5fcf9c6fbf682c688f8bcbb43c063e94897b768cdfa01caff064c1f1b1318c0943c09372a65d6a83f4c424bbb0b1ae82caa8366fb1

      • C:\Program Files\7-Zip\7z.exe

        Filesize

        570KB

        MD5

        3b3df2156dee6f4f156456fc9e3bc81f

        SHA1

        f07c1b99d3e54f0ff8d7bf6b543aa32b19937ecd

        SHA256

        a6c72a0784660987404f4f219dd5d64349847974772f68792259cdb2ced31784

        SHA512

        f88d8ff5ec37342368c1ad9846b648615cf97caf9f88676be9f79a54f07d95d03b87bb5aa68d4703c897bf953e8da1c4378b28ff53e351ab0fc40353448d5c57

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

        Filesize

        636KB

        MD5

        53ee62011469b286a2a1b5658c86b9bf

        SHA1

        9bdac0b23b0a965947c780c6a6b48fc7122f9ade

        SHA256

        7125735e4e8595f1c17ff3235bc65dacabc2ec874b29ac7ba8eddd80ad10b3c0

        SHA512

        c9c24e578da0a38048e71548fac66465bcb624e971f745bba559e8c49fd621752e718d4c983a90a97277407bb23348ca109436e1eeebef030c3b599c712ff236

      • C:\Users\Admin\AppData\Local\Temp\$$aD021.bat

        Filesize

        722B

        MD5

        9dcf21c12e4745a05bea3f6d544b46b5

        SHA1

        d694a088af76f2e3f2bb00d629b0fb1fbcf7a2d7

        SHA256

        0a4a649e37247bebc6a465b4754bcad8075214eb4b855631bc546f5013173914

        SHA512

        508924f619956c5e4ba502ae743525a3bfc5afdc5234e4d361c1da3ed107cbd2e119f0b489c711368cf96bb6e003e558d9846a74d3c0e5c5f3f887f3e59d531d

      • C:\Users\Admin\AppData\Local\Temp\65afd31f1c3bbbb7f532bbb1c78e7ecd8966c0bcc914955c0a063ff8b05af959.exe.exe

        Filesize

        1.0MB

        MD5

        efbcf076da6ef73b7c7eac51b835c7a8

        SHA1

        1043d1d8f0b670ccc6be55ae583bdf68362020f9

        SHA256

        2df7f13678244ea17abe03fe8775b139c1e2bd283b369b3cb94fc7e90dfe6d88

        SHA512

        2f0834e19b2e0d78e6c382536d0e48edfe68efa94318ec3028a50007dc22441c63e6863dda5e91ba979eecbfccd2b9216811c8d79872cdaf30866e7ff6193f47

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        4bd4cb148394a70db17b226cbbbb5ce3

        SHA1

        8997edbadc2fb280d37686e94e326d44f7115ed0

        SHA256

        646e325b65e63aa02bb2d93bb3c534e041bbdf421dd4a9ae5c7e524a5ca9906f

        SHA512

        c193a201306c32c39d5c6b391ba95c2a89c62f86a7bf786b0acc17ad4c864167e7df5fe0deb87b0160ca50f5a037935819f93740a62b81c897751173710b2925

      • F:\$RECYCLE.BIN\S-1-5-21-4084619521-2220719027-1909462854-1000\_desktop.ini

        Filesize

        9B

        MD5

        2be02af4dacf3254e321ffba77f0b1c6

        SHA1

        d8349307ec08d45f2db9c9735bde8f13e27a551d

        SHA256

        766fe9c47ca710d9a00c08965550ee7de9cba2d32d67e4901e8cec7e33151d16

        SHA512

        57f61e1b939ed98e6db460ccdbc36a1460b727a99baac0e3b041666dedcef11fcd72a486d91ec7f0ee6e1aec40465719a6a5c22820c28be1066fe12fcd47ddd0

      • memory/3904-9-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3904-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-1226-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-4792-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4428-5231-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB