Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 22:29

General

  • Target
    cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe
  • Size 33KB
  • Sample240602-2efreaad87
  • SHA256 cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • 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:3448
      • C:\Users\Admin\AppData\Local\Temp\cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe
        "C:\Users\Admin\AppData\Local\Temp\cf2ba6f24373f440531b5ad69cf882e8ffa80a9c556124b944dad25a0d0e35bf.exe"
        2⤵
        • Drops file in Drivers directory
        • 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:3664
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2372
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:1972
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3708
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
                PID:4232

        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 f4126de53afbb2a68dead67d01bae1d52b38ae711b06d94629f952099e691d32
              • MD5 SHA1 SHA512 SSDEEP

              dotnet.exe

              • Path C:\Program Files\dotnet\dotnet.exe
              • Size 177KB
              • SHA256 b5dca266eab324d4f3e9f07a511768335201be7c9ed015f06693e8fe9bd7cfad
              • 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 643KB
              • SHA256 8317babad7376315f76f48454d7f4057d60f2a13f0e469a7c877473b220af74f
              • MD5 SHA1 SHA512 SSDEEP

              _desktop.ini

              • Path F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\_desktop.ini
              • Size 8B
              • SHA256 7a7b688ede50bbaf08d4579fbd8c6b6c99d9dd1206d95ab24d8174eb9be98759
              • MD5 SHA1 SHA512

              memory/3664-0-0x0000000000400000-0x000000000043E000-memory.dmp

              memory/3664-5-0x0000000000400000-0x000000000043E000-memory.dmp

              memory/3664-4919-0x0000000000400000-0x000000000043E000-memory.dmp

              memory/3664-8636-0x0000000000400000-0x000000000043E000-memory.dmp