Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 11:36

General

  • Target
    8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386.exe
  • Size 5.7MB
  • Sample240603-nq4eysda9s
  • SHA256 8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386
  • MD5 SHA1 SHA512 SSDEEP
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 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3384
      • C:\Users\Admin\AppData\Local\Temp\8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386.exe
        "C:\Users\Admin\AppData\Local\Temp\8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4136
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a45B4.bat
          3⤵
            PID:3108
            • C:\Users\Admin\AppData\Local\Temp\8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386.exe
              "C:\Users\Admin\AppData\Local\Temp\8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386.exe"
              4⤵
              • Executes dropped EXE
              PID:2384
          • 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:2424
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:4892
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:4776

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              GoogleUpdateCore.exe

              • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
              • Size 252KB
              • SHA256 3ba0a07458d09c252ebe8d3ce4ee35c56605cda7e8a99cc07ea90caa334bf239
              • MD5 SHA1 SHA512 SSDEEP

              7z.exe

              • Path C:\Program Files\7-Zip\7z.exe
              • Size 571KB
              • SHA256 81e9aca35afcb1236486714ddb1c830e4a65af10eb00f735c01d41b1d65e1331
              • MD5 SHA1 SHA512 SSDEEP

              windowsdesktop-runtime-8.0.2-win-x64.exe

              • Path C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe
              • Size 637KB
              • SHA256 a22e6d0f5c7d44fefc2204e0f7c7b048e1684f6cf249ba98c006bbf791c22d19
              • MD5 SHA1 SHA512 SSDEEP

              $$a45B4.bat

              • Path C:\Users\Admin\AppData\Local\Temp\$$a45B4.bat
              • Size 722B
              • SHA256 f8b9f15f6a5ad5a30222bc59f3867053759d741c727543e9d6d8c8dc86fc037a
              • MD5 SHA1 SHA512

              8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386.exe.exe

              • Path C:\Users\Admin\AppData\Local\Temp\8b064e450b3fa8625ab2ea63deb2590b9cd7f622bb5d0780601333b4c008e386.exe.exe
              • Size 5.7MB
              • SHA256 bb9f95d1b280c1ec9ae27cf564bbb1b485e2d721d44b3288a9a43c07517e38de
              • MD5 SHA1 SHA512 SSDEEP

              Logo1_.exe

              • Path C:\Windows\Logo1_.exe
              • Size 27KB
              • SHA256 02f4bf41aa6efbc2a49158fe1da4dbfadc09b0ff26e0c9553b593d527e771ed6
              • MD5 SHA1 SHA512 SSDEEP

              _desktop.ini

              • Path F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini
              • Size 8B
              • SHA256 d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208
              • MD5 SHA1 SHA512

              memory/2424-27-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/2424-33-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/2424-37-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/2424-20-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/2424-1232-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/2424-4797-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/2424-11-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/2424-5236-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/4136-0-0x0000000000400000-0x0000000000435000-memory.dmp

              memory/4136-9-0x0000000000400000-0x0000000000435000-memory.dmp