Analysis

  • max time kernel
    152s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 16:36

General

  • Target

    01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe

  • Size

    157KB

  • MD5

    53821700b175d3820206a2c5e6e75cf0

  • SHA1

    7459ecfcecaf59deb7d461886088505ee2904e69

  • SHA256

    01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117

  • SHA512

    7eabbea16d59726f27fd05a1bf6975b7151efcfa845b4babdd73575e94b319032af4df5b382bf2d3116c5e1793ba56c501e150dae8ec1e4c7864bf2e6a032f12

  • SSDEEP

    3072:/7/64aQcwAAvVydHXjZISJ5GCSYkJ+CB+YaNyRlsK:76avsdHzySivFBU8vd

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe
    "C:\Users\Admin\AppData\Local\Temp\01b38f912fa12fed90ad9e5173b9544ed9e715c5bcb97aaa543cf6a8e581b117.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Program Files\Microsoft Office\Root\Office16\winword.exe
      "C:\Program Files\Microsoft Office\Root\Office16\winword.exe"
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2224
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 772
      2⤵
      • Program crash
      PID:1140
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1492 -ip 1492
    1⤵
      PID:4800

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1492-132-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1492-139-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/2224-138-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-135-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-136-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-137-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-134-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-140-0x00007FF9E17C0000-0x00007FF9E17D0000-memory.dmp

      Filesize

      64KB

    • memory/2224-141-0x00007FF9E17C0000-0x00007FF9E17D0000-memory.dmp

      Filesize

      64KB

    • memory/2224-143-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-144-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-145-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB

    • memory/2224-146-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

      Filesize

      64KB