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
    23/01/2024, 22:12 UTC

General

  • Target

    $PLUGINSDIR/gc_license.rtf

  • Size

    14KB

  • MD5

    5190bd8d892384b72d0a7f5eb4364eb0

  • SHA1

    4960e2af31f9dc90f6c8f864b8fb865150e76e97

  • SHA256

    cd47392546a0b63061e33a431debd341f21755d794b59d14b6272ae895725db3

  • SHA512

    718bd94078f78f074d6dee299aadd12041e1b7cee9a51aa8ce320477845d627259da76239ac1f10a87dd90135c1a9c83f65ddd6dc1eac4d18ef210a3cd2b6295

  • SSDEEP

    384:PMxEXYxvXulMRXk///JGGl/q7yJQCTLDJTLSjYC12xx:VXYx2lW0/3JGGl/q76QCTPJTWYC12xx

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\gc_license.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:2492
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2760

    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

      2858d096a70021ed7b29fa7c3611d0dc

      SHA1

      37c11212dc72fde60078ba8067dd01580e3064ca

      SHA256

      0ec4d96735d922d0d0bd76c250bae5044ca2c6822055c0f8a688b07138297871

      SHA512

      e880f22cbd6b4c17426f65f4d5fb18382ee91c19074c61e6261ea562e2c87f48d719e65a351449e22da641fda63973478fe13a3a94eb608c59c781cb8d6a84ea

    • memory/2492-0-0x000000002FB41000-0x000000002FB42000-memory.dmp

      Filesize

      4KB

    • memory/2492-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2492-2-0x000000007175D000-0x0000000071768000-memory.dmp

      Filesize

      44KB

    • memory/2492-11-0x000000007175D000-0x0000000071768000-memory.dmp

      Filesize

      44KB

    • memory/2492-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2492-30-0x000000007175D000-0x0000000071768000-memory.dmp

      Filesize

      44KB

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