Analysis

  • max time kernel
    150s
  • max time network
    154s
  • 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, 18:29

General

  • Target
    3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084.exe
  • Size 46KB
  • Sample240603-w448eaef6v
  • SHA256 3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084
  • 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 16 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3448
      • C:\Users\Admin\AppData\Local\Temp\3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084.exe
        "C:\Users\Admin\AppData\Local\Temp\3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3508
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4083.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3936
          • C:\Users\Admin\AppData\Local\Temp\3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084.exe
            "C:\Users\Admin\AppData\Local\Temp\3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084.exe"
            4⤵
            • Executes dropped EXE
            PID:3852
        • 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:2628
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4480
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:436

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

            GoogleUpdateCore.exe

            • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
            • Size 251KB
            • SHA256 8906bb45077aeebb6eaca93bccaa133623f3b5e9dcc0b50dc4c6edcc3ea1571a
            • MD5 SHA1 SHA512 SSDEEP

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 570KB
            • SHA256 0f71dbf0dc35e50d076d2989bb16406ee436bbb1a8cdb051df58bd515fd230fa
            • 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 636KB
            • SHA256 82e5b0001f025ca3b8409c98e4fb06c119c68de1e4ef60a156360cb4ef61d19c
            • MD5 SHA1 SHA512 SSDEEP

            $$a4083.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a4083.bat
            • Size 722B
            • SHA256 790eeb71fedc9f4d6246c9111055e3b25f00d957673f3a15a0dbee3a46b36c5b
            • MD5 SHA1 SHA512

            3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\3468fe0c52f41fd7c6d21705ca782252ab2b23638baf0f9634b851912dbd3084.exe.exe
            • Size 20KB
            • SHA256 9ba18aa5e07ebd262d74412cca6e78bbd3c627d88f55555ad91e4038661f9fd1
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 26KB
            • SHA256 bfe4186213f6d4cc116612e337bbe7a4c713d4cd02155dd649b31bf93476bd43
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-3558294865-3673844354-2255444939-1000\_desktop.ini
            • Size 8B
            • SHA256 d9d875805581110dafdfb2ceb34c5e60f50fe720963f9813c287e4845248d208
            • MD5 SHA1 SHA512

            memory/2628-27-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2628-33-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2628-37-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2628-20-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2628-1231-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2628-4797-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2628-10-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/2628-5236-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3508-0-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3508-11-0x0000000000400000-0x0000000000434000-memory.dmp