Analysis

  • max time kernel
    150s
  • max time network
    102s
  • 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, 15:38

General

  • Target
    972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42.exe
  • Size 387KB
  • Sample240603-s3edtabb2x
  • SHA256 972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42
  • 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:3556
      • C:\Users\Admin\AppData\Local\Temp\972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42.exe
        "C:\Users\Admin\AppData\Local\Temp\972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4484
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a4F68.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3828
          • C:\Users\Admin\AppData\Local\Temp\972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42.exe
            "C:\Users\Admin\AppData\Local\Temp\972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42.exe"
            4⤵
            • Executes dropped EXE
            PID:4272
        • 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:964
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1072
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4660

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 571KB
            • SHA256 10be7fb3e54e32c73c9f508d6abe07b37e26dc4115a9fa4abaaadb0aa811fa62
            • 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

            $$a4F68.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a4F68.bat
            • Size 722B
            • SHA256 f5f033e406e13064a781600c513283ed33f500b2dcc3069f79f87d13e8ed7dd8
            • MD5 SHA1 SHA512

            972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\972eab30b007af68607ef3316bd022595c199324dc117a740d67c8439f18dc42.exe.exe
            • Size 360KB
            • SHA256 9e63701598199d5c47217e23b44d0e3ec5d53f5419166b1b6c68a7e9e8fc47a4
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 27KB
            • SHA256 5aed29bca93614b6e17e57a23e060264159493d2bbd5f917aed392ddd4015088
            • 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/964-27-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/964-20-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/964-33-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/964-37-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/964-1231-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/964-4797-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/964-11-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/964-5236-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4484-0-0x0000000000400000-0x0000000000435000-memory.dmp

            memory/4484-9-0x0000000000400000-0x0000000000435000-memory.dmp