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Analysis

  • max time kernel
    104s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Loads dropped DLL 4 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 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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
    • Modifies visiblity of hidden/system files 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:1104
    • C:\Program Files (x86)\Microsoft Office\Office14\winword.exe
      "C:\Program Files (x86)\Microsoft Office\Office14\winword.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1456

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

      Filesize

      19.9MB

      MD5

      de443c20ff4915ffda1d33469c769687

      SHA1

      f74f57cb6ac282ab6fc8104810405f03a3087fd0

      SHA256

      d2b7e40b6912f80f7d993d287787f40b03b3409fafa05158be9c4ccf9b1219db

      SHA512

      1b1f6d6dd14ee2a20a6f77f67eb908539adcc425489fa5c43ca9b9508c5aa749642dc1f504109c9ba88657931152464aedf00b6e4b5bee8c75b25095c9aa7ae3

    • \Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

      Filesize

      19.9MB

      MD5

      de443c20ff4915ffda1d33469c769687

      SHA1

      f74f57cb6ac282ab6fc8104810405f03a3087fd0

      SHA256

      d2b7e40b6912f80f7d993d287787f40b03b3409fafa05158be9c4ccf9b1219db

      SHA512

      1b1f6d6dd14ee2a20a6f77f67eb908539adcc425489fa5c43ca9b9508c5aa749642dc1f504109c9ba88657931152464aedf00b6e4b5bee8c75b25095c9aa7ae3

    • \Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

      Filesize

      19.9MB

      MD5

      de443c20ff4915ffda1d33469c769687

      SHA1

      f74f57cb6ac282ab6fc8104810405f03a3087fd0

      SHA256

      d2b7e40b6912f80f7d993d287787f40b03b3409fafa05158be9c4ccf9b1219db

      SHA512

      1b1f6d6dd14ee2a20a6f77f67eb908539adcc425489fa5c43ca9b9508c5aa749642dc1f504109c9ba88657931152464aedf00b6e4b5bee8c75b25095c9aa7ae3

    • \Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

      Filesize

      19.9MB

      MD5

      de443c20ff4915ffda1d33469c769687

      SHA1

      f74f57cb6ac282ab6fc8104810405f03a3087fd0

      SHA256

      d2b7e40b6912f80f7d993d287787f40b03b3409fafa05158be9c4ccf9b1219db

      SHA512

      1b1f6d6dd14ee2a20a6f77f67eb908539adcc425489fa5c43ca9b9508c5aa749642dc1f504109c9ba88657931152464aedf00b6e4b5bee8c75b25095c9aa7ae3

    • \Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

      Filesize

      19.9MB

      MD5

      de443c20ff4915ffda1d33469c769687

      SHA1

      f74f57cb6ac282ab6fc8104810405f03a3087fd0

      SHA256

      d2b7e40b6912f80f7d993d287787f40b03b3409fafa05158be9c4ccf9b1219db

      SHA512

      1b1f6d6dd14ee2a20a6f77f67eb908539adcc425489fa5c43ca9b9508c5aa749642dc1f504109c9ba88657931152464aedf00b6e4b5bee8c75b25095c9aa7ae3

    • memory/1104-56-0x0000000000400000-0x0000000000418000-memory.dmp

      Filesize

      96KB

    • memory/1104-54-0x0000000075F51000-0x0000000075F53000-memory.dmp

      Filesize

      8KB

    • memory/1456-70-0x000007FEFB871000-0x000007FEFB873000-memory.dmp

      Filesize

      8KB

    • memory/2040-58-0x000000006FC41000-0x000000006FC43000-memory.dmp

      Filesize

      8KB

    • memory/2040-61-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB

    • memory/2040-59-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2040-67-0x0000000005870000-0x0000000006C41000-memory.dmp

      Filesize

      19.8MB

    • memory/2040-68-0x0000000005870000-0x0000000006C41000-memory.dmp

      Filesize

      19.8MB

    • memory/2040-57-0x00000000721C1000-0x00000000721C4000-memory.dmp

      Filesize

      12KB

    • memory/2040-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2040-72-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB