Analysis

  • max time kernel
    150s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 15:32

General

  • Target
    814446fb9e1cb93b974ec91e848733bb349d66dc7cc8d9220a98eec278613c8e.exe
  • Size 33KB
  • Sample240531-sytypscf4t
  • SHA256 814446fb9e1cb93b974ec91e848733bb349d66dc7cc8d9220a98eec278613c8e
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3572
      • C:\Users\Admin\AppData\Local\Temp\814446fb9e1cb93b974ec91e848733bb349d66dc7cc8d9220a98eec278613c8e.exe
        "C:\Users\Admin\AppData\Local\Temp\814446fb9e1cb93b974ec91e848733bb349d66dc7cc8d9220a98eec278613c8e.exe"
        2⤵
        • Drops startup file
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3216
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1504
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:4820
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3776
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:3940

        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 258KB
              • SHA256 68c254e4a94926e48dda2811138fac91afef667c3da61e3838c104fd16397f81
              • MD5 SHA1 SHA512 SSDEEP

              Uninstall.exe

              • Path C:\Program Files\7-Zip\Uninstall.exe
              • Size 48KB
              • SHA256 0aa3a52b2cbb61c275eb990123dd78e1d1334b098adf93a919e856ff8dbe957b
              • 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 644KB
              • SHA256 f168cda7cfa0f4f1d8dc26f615772410afe41b43fbc3da3cfe2c249b1eadca30
              • MD5 SHA1 SHA512 SSDEEP

              _desktop.ini

              • Path F:\$RECYCLE.BIN\S-1-5-21-1162180587-977231257-2194346871-1000\_desktop.ini
              • Size 9B
              • SHA256 8f1b205bcc3039e60fbcea0063608e012fd662abb41bba5469d530e2c305174d
              • MD5 SHA1 SHA512

              memory/3216-0-0x0000000000400000-0x0000000000440000-memory.dmp

              memory/3216-3-0x0000000000400000-0x0000000000440000-memory.dmp

              memory/3216-5205-0x0000000000400000-0x0000000000440000-memory.dmp

              memory/3216-8690-0x0000000000400000-0x0000000000440000-memory.dmp