Analysis

  • max time kernel
    149s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2024, 15:24

General

  • Target
    9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53.exe
  • Size 1.0MB
  • Sample240420-stfwaabe54
  • SHA256 9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53
  • 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:3496
      • C:\Users\Admin\AppData\Local\Temp\9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53.exe
        "C:\Users\Admin\AppData\Local\Temp\9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4684
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a54A8.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3472
          • C:\Users\Admin\AppData\Local\Temp\9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53.exe
            "C:\Users\Admin\AppData\Local\Temp\9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53.exe"
            4⤵
            • Executes dropped EXE
            PID:3328
        • 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:3484
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4808
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:4424

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            GoogleUpdateCore.exe

            • Path C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe
            • Size 251KB
            • SHA256 284e0eb238a30fda222ad9ecd9f3dc0acd6aef33027562e0fa878e17d54a8d0b
            • MD5 SHA1 SHA512 SSDEEP

            7z.exe

            • Path C:\Program Files\7-Zip\7z.exe
            • Size 570KB
            • SHA256 603e85971f1fbad5d3ebddfe2b29226b657637ef52c51428143c9c9e6ea16f62
            • 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

            $$a54A8.bat

            • Path C:\Users\Admin\AppData\Local\Temp\$$a54A8.bat
            • Size 722B
            • SHA256 287d53ddfe737cb315bb4d029fc270aa3e987e3555a65d2e7ed473f9b63647d3
            • MD5 SHA1 SHA512

            9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53.exe.exe

            • Path C:\Users\Admin\AppData\Local\Temp\9aee3f1d4f07ccefe8af5220a10a197d2174704d96230beb7e59fa91339b1f53.exe.exe
            • Size 1017KB
            • SHA256 2d29b5a7e1d24195a70db50b72c8de0ee650efa135e1875bb2302a5f85f5f6b3
            • MD5 SHA1 SHA512 SSDEEP

            Logo1_.exe

            • Path C:\Windows\Logo1_.exe
            • Size 26KB
            • SHA256 771a6d5ca90b397c56e449ed8c2966364db1f6774dca74b74fe0f6eed8db4226
            • MD5 SHA1 SHA512 SSDEEP

            _desktop.ini

            • Path F:\$RECYCLE.BIN\S-1-5-21-2288054676-1871194608-3559553667-1000\_desktop.ini
            • Size 9B
            • SHA256 9313041e89d4585b2606afa4809b101e7e8a2c944d063a28c796b0c0f070b5f1
            • MD5 SHA1 SHA512

            memory/3484-26-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-28-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-36-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-19-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-68-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-1227-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-9-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-4792-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/3484-5231-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4684-0-0x0000000000400000-0x0000000000434000-memory.dmp

            memory/4684-8-0x0000000000400000-0x0000000000434000-memory.dmp