Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2024, 06:31

General

  • Target

    $PLUGINSDIR/license_rs.rtf

  • Size

    34KB

  • MD5

    0fd9d843efc7d991fd8d6fc903103820

  • SHA1

    2ec67ade65ab35c6e4c4415cf2479597ea2c32ff

  • SHA256

    3797dcef5b988f62e819d152f7fd2d66c370b924ff9fad4bbefee182a2031888

  • SHA512

    9f2c59de31a322d260918e3baef9b5582c326d127b938b78d0ee24400da1a465397206d26b69a16b2f4ec18490b56e23a78e0b679a8d24ff9d14395628cc0aac

  • SSDEEP

    384:mjZoBCb5NHlNnUy9h2SNAca+v+I7e8YWSAZpyYL6ChVoyGkvumFp2:dyvnVa+G5A4

Score
4/10

Malware Config

Signatures

  • 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\license_rs.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2140

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      daabdccad1c9f32f4f9dc352e41c4172

      SHA1

      979e499c5aa2e9c0351b3cfe74420901fd11b9c7

      SHA256

      8b6cccf4621faaab98cc50d76397497baae0dd43bef451a022ee94c7af2892c7

      SHA512

      b72c7e35bbcffe35da5b6e28f8e8dcb8f282e3608903febff6e2cde40bd249c9a611d389643f4f1e8ec5711dcb9924ade87ea92992ec38a546d2574b1a6ee961

    • memory/2156-0-0x000000002F421000-0x000000002F422000-memory.dmp

      Filesize

      4KB

    • memory/2156-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2156-2-0x0000000070C4D000-0x0000000070C58000-memory.dmp

      Filesize

      44KB

    • memory/2156-11-0x0000000070C4D000-0x0000000070C58000-memory.dmp

      Filesize

      44KB

    • memory/2156-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB