Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 22:12

General

  • Target
    $PLUGINSDIR/license_CF.rtf
  • Size 624KB
  • Sample240123-14zedabdb3
  • SHA256 359e418dba50c9249620bf3fd9a7a09ce5987377099e8ac793d805b9a33fa2f7
  • MD5 SHA1 SHA512 SSDEEP
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_CF.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:1948
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2404

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Normal.dotm

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
          • Size 20KB
          • SHA256 55d26a9517a526d0a0ed489b32eb9a38becb921d2678a48198cf362c95c001e3
          • MD5 SHA1 SHA512 SSDEEP

          memory/1948-0-0x000000002FBC1000-0x000000002FBC2000-memory.dmp

          memory/1948-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1948-2-0x00000000714CD000-0x00000000714D8000-memory.dmp

          memory/1948-11-0x00000000714CD000-0x00000000714D8000-memory.dmp

          memory/1948-32-0x000000005FFF0000-0x0000000060000000-memory.dmp