Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2024, 00:50

General

  • Target
    842fbfc76fc8eb4c0c0da3c56f8ad8d0b4673b990e60fd0b86b13c3b3b9b54fb.exe
  • Size 368KB
  • Sample240614-a67wesybna
  • SHA256 842fbfc76fc8eb4c0c0da3c56f8ad8d0b4673b990e60fd0b86b13c3b3b9b54fb
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • UPX dump on OEP (original entry point) 20 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 16 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\842fbfc76fc8eb4c0c0da3c56f8ad8d0b4673b990e60fd0b86b13c3b3b9b54fb.exe
    "C:\Users\Admin\AppData\Local\Temp\842fbfc76fc8eb4c0c0da3c56f8ad8d0b4673b990e60fd0b86b13c3b3b9b54fb.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Windows\svhost.exe
      C:\Windows\svhost.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        PerfLogs.exe

        • Path C:\PerfLogs.exe
        • Size 368KB
        • SHA256 c761cd95c2a5ce70dac2b380d4f7c78b7b9a5317efdcbba7f7d3c3d571ba6609
        • MD5 SHA1 SHA512 SSDEEP

        Driver.db

        • Path C:\Windows\Driver.db
        • Size 82B
        • SHA256 b2d38b3f122cfcf3cecabf0dfe2ab9c4182416d6961ae43f1eebee489cf3c960
        • MD5 SHA1 SHA512

        svhost.exe

        • Path C:\Windows\svhost.exe
        • Size 368KB
        • SHA256 c5bf0f8920f74c9d149c72ec889ce7d2592c48c987e85ed4d6518ecdbc102610
        • MD5 SHA1 SHA512 SSDEEP

        memory/992-773-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/992-0-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-4489-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-6869-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-2370-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-2638-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-3431-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-5-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-5808-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-1313-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-7929-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-8983-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-10309-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-11368-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-12426-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-13479-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-14807-0x0000000000400000-0x00000000004C2000-memory.dmp

        memory/1908-15865-0x0000000000400000-0x00000000004C2000-memory.dmp