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

  • MD5

    9bebf7fd933735c89253d8b55f4ba475

  • SHA1

    41d5716ce0615948695a2f57e39b544a6d9fb26f

  • SHA256

    359e418dba50c9249620bf3fd9a7a09ce5987377099e8ac793d805b9a33fa2f7

  • SHA512

    94c6d473030a9cd9c68e2d7d8bd53d40bbcacf575ec04ed45fba5a659c8c29fa7897ed7e1e2ea6b06413b6582ddbf6e7b8f61af2725d73ab3b8cc3ce4f39bb60

  • SSDEEP

    1536:bDbJpGL0DM1MvZPbVhEClfIBUrmYglv3g0URXJTrW1Ta3ugUm7:z7vZPbVhEClfIBUrmY2g0UBZEaerm7

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

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

      Filesize

      20KB

      MD5

      46857d502e1b2590218a3c8b4bdaa0f4

      SHA1

      b20f4cd7237919e35847ddee2d86ed0e59991ac0

      SHA256

      55d26a9517a526d0a0ed489b32eb9a38becb921d2678a48198cf362c95c001e3

      SHA512

      f81a32a5aa6b302e148e35230037949144308c6ddf5189ea23bc1157790fa8d68580f99744c70b20026408ca71266de49b4b5d89ca13adcd391e57cde41e39ca

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

      Filesize

      4KB

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

      Filesize

      64KB

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

      Filesize

      44KB

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

      Filesize

      44KB

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

      Filesize

      64KB