Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2024, 05:47

General

  • Target

    b6efc0ea52065e34aba133102f0749f71cda91a2c9ed5808a931e313698cd89e.exe

  • Size

    203KB

  • MD5

    8c6007a61041679bfa2282ba018c7147

  • SHA1

    d38c980f43d86f4db7c583def1fc8b70bcc75d85

  • SHA256

    b6efc0ea52065e34aba133102f0749f71cda91a2c9ed5808a931e313698cd89e

  • SHA512

    bbb422fb8aff1b3e01f3a86acba941d776e60c03c16ec3ca49fd57c66f994a645d7fd93e9c52a88f4f3cd4f0fa9d2814c01b519893ec9bbbc97398e2274042de

  • SSDEEP

    6144:YVfjmNW/zUPNXJnz1hfjnKgTAhduXIGpxRxrQSgB:C7+W/MXJnz1hfjnKg0uXIGPrQSgB

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:3508
      • C:\Users\Admin\AppData\Local\Temp\b6efc0ea52065e34aba133102f0749f71cda91a2c9ed5808a931e313698cd89e.exe
        "C:\Users\Admin\AppData\Local\Temp\b6efc0ea52065e34aba133102f0749f71cda91a2c9ed5808a931e313698cd89e.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3768
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a63AB.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4672
          • C:\Users\Admin\AppData\Local\Temp\b6efc0ea52065e34aba133102f0749f71cda91a2c9ed5808a931e313698cd89e.exe
            "C:\Users\Admin\AppData\Local\Temp\b6efc0ea52065e34aba133102f0749f71cda91a2c9ed5808a931e313698cd89e.exe"
            4⤵
            • Executes dropped EXE
            PID:2128
        • 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:4136
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2200
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:1956

      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

              2c368c4079cec9a57fee722e7925399c

              SHA1

              ced4580a1bca5b5ca94dd72691ee8a812f300553

              SHA256

              0b7b6e95fb066be8fb5c68ad7e5513bd9a6e5de9b6493a7824f558e0b6271a63

              SHA512

              88678c361f1a9351d543324c8ad96fda1199f78fba987463d7bf790bf738d608b1f865aa8f356cc6b340a2213a6b16a688991cba2444f9e187a6feab2efe7152

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

              Filesize

              570KB

              MD5

              7a63da187108860bde3275ad9f05f588

              SHA1

              18dad5c1c5c60da2c0799050f2329976867b8479

              SHA256

              481f7de140559cc634ad5691892d6f27f33ef66c6851bc03cf7980a821aaca1d

              SHA512

              e2d75752ce287272e1b34d54021f201e2d7e1fd786ba40f93c873b5c5e87bde24a39db840c1d4c8d86ddb03f9f3c865216539f6b3a9700ccfb326335edee943d

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

              Filesize

              636KB

              MD5

              2500f702e2b9632127c14e4eaae5d424

              SHA1

              8726fef12958265214eeb58001c995629834b13a

              SHA256

              82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c

              SHA512

              f420c62fa1f6897f51dd7a0f0e910fb54ad14d51973a2d4840eeea0448c860bf83493fb1c07be65f731efc39e19f8a99886c8cfd058cee482fe52d255a33a55c

            • C:\Users\Admin\AppData\Local\Temp\$$a63AB.bat

              Filesize

              722B

              MD5

              9c267163a0039e8b309841a6ce43a6d2

              SHA1

              751c9e296a4643414d120ca0060c582066540087

              SHA256

              cb39af196ffef675cb8c0a2a6b88b027fc707b3ff6870d89e839426122682e53

              SHA512

              2effc696d1fe6520f544715a73feec458cb98e18dda3e4397556d408729c0c33a79ef3c69404ac8daa04daac4bf5e9a6515d1df356b222edb40a187d3cb7cdac

            • C:\Users\Admin\AppData\Local\Temp\b6efc0ea52065e34aba133102f0749f71cda91a2c9ed5808a931e313698cd89e.exe.exe

              Filesize

              176KB

              MD5

              2a8b2a08a6b9e2030f7d5fa01e74ea85

              SHA1

              bd93f3ae867a7d1e10f4b608de600060b16d264e

              SHA256

              98acd744ae6a81434494f2042a5d187025dcb961aa9b7df644419e1f8b626a09

              SHA512

              67b511d6d579b697c173f0861884d9be99f2a1f98b2da9a93323a5549860653f11fedf0bdf50027cab68fe49087faf6d02f466410f9fb6a7ecdaf24cd6846a69

            • C:\Windows\Logo1_.exe

              Filesize

              26KB

              MD5

              487da9891a1e7032841518d66e9f99f4

              SHA1

              af90ab8039b6920e1ac83191780b324b3605a26f

              SHA256

              f2acf2477402b55c9f408c6fbde18ad3d2d5b1ea94a504dc60d651813349001c

              SHA512

              99d74cc9a5bd8141cf1e81a4e0474d178fe7812163620450bc1ce3fb5d5d494a5c91c6de55e315675d615a98ebfa43854267c57e4d02603d3b322b20dbe2ffaa

            • F:\$RECYCLE.BIN\S-1-5-21-1826666146-2574340311-1877551059-1000\_desktop.ini

              Filesize

              9B

              MD5

              72b7e38c6ba037d117f32b55c07b1a9c

              SHA1

              35e2435e512e17ca2be885e17d75913f06b90361

              SHA256

              e9719e3c653627668046bac84b77097bfb0cd018d68465c17130ed31d6d6eca6

              SHA512

              2bebd814b81ad2dc547802d42891d833caaad81d004758ec4373f9c7af2971eb822f0a559d2d5d4fca499912fea95e25bab22e92cb0c149d6a4c692eee6ee46a

            • memory/3768-0-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/3768-8-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-36-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-33-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-26-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-1060-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-1227-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-19-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-4397-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-4793-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-5040-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-9-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB

            • memory/4136-5232-0x0000000000400000-0x0000000000434000-memory.dmp

              Filesize

              208KB