Analysis

  • max time kernel
    150s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 02:50

General

  • Target
    c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
  • Size 525KB
  • Sample240601-dbp9nsfc8z
  • SHA256 c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 13 IoCs
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 13 IoCs

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

  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
    "C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4140
    • C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
      C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5376
      • C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
        C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
        3⤵
        • Enumerates connected drives
        PID:4848
    • C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
      C:\Users\Admin\AppData\Local\Temp\c20ab736e7aa6efd5e6e2dac86c5ac75dc30951f85d8b7dc18b6d849752ab1af.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:4552

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ftpdll.dll

        • Path C:\Windows\SysWOW64\ftpdll.dll
        • Size 5KB
        • SHA256 1767b9108ac9ba4e5d0a7bb104a3462ec4dd5076d3245ad58d25fd1a972fecd0
        • MD5 SHA1 SHA512 SSDEEP

        memory/4140-11-0x0000000010000000-0x000000001010B000-memory.dmp

        memory/4140-8-0x0000000010000000-0x000000001010B000-memory.dmp

        memory/4140-9-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/4140-0-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/4552-2-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/4552-13-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/4552-17-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/4848-14-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/4848-43-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/5376-1-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/5376-12-0x0000000000400000-0x0000000000444000-memory.dmp

        memory/5376-15-0x0000000000400000-0x0000000000444000-memory.dmp