Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    09-03-2024 20:58

General

  • Target

    Document.lnk

  • Size

    1KB

  • MD5

    e1a2203f7426463cb8f2d7ebf1d72572

  • SHA1

    382f0556ada63624c6029a2c3d2d986ebf57f958

  • SHA256

    24ee1fe4baf27d375171f8749681cf1245291a52652bc3b78300f330bde71293

  • SHA512

    9b0ff9b688eaa73c525990312dbdd48951e4fd59b137725d29061a356332305e676ab1bfbd385466e42896534e0dc3af54f23d3128d96473a827d8dd1bb67c21

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 10 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Document.lnk
    1⤵
      PID:3056
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Desktop\UndoStep.rtf"
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:2716

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      20KB

      MD5

      11b962e90ba2f5e69d641c18b756b901

      SHA1

      0bb546f11909d6c69e48060da72cd730369b13bb

      SHA256

      fd8aa2e486bc31c1bffa4584a5c87eaf25318c22b2d8a57526d6e594fb71e4e2

      SHA512

      d7189061c0019f945b4ded6a4fb37cde1562ec89658cced81ae6271115341f5e7c5d6feb5d4a9ea1828857709b08d5def9c4362df934717655099c70c1861f83

    • memory/2716-28-0x000000002F751000-0x000000002F752000-memory.dmp
      Filesize

      4KB

    • memory/2716-29-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2716-30-0x00000000717BD000-0x00000000717C8000-memory.dmp
      Filesize

      44KB

    • memory/2716-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2716-62-0x00000000717BD000-0x00000000717C8000-memory.dmp
      Filesize

      44KB