Analysis

  • max time kernel
    104s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11-06-2023 11:25

General

  • Target

    1703.doc

  • Size

    528.4MB

  • MD5

    cdcd2e80d777c754f947967db0ce7ea5

  • SHA1

    35468458edf77e9d459563830e0fd51255a48278

  • SHA256

    7c02bdffa69aa523a6d577078d4a8165cec8636327e624a0df4873e37b5f7a1b

  • SHA512

    14227a80041b2064452e6f8d01cc3142b9bb66e7d6f8d338a8dd2d595f23ecb50ae458a8e8dd6e619bc2dd84e5af57f89819022616ab4e60ac9a3eaee08f0b2a

  • SSDEEP

    6144:zZRtBPT4N/uQaNULlPUvauNTklB7ShcbYdFf8UOPv:zZvJhfKd2amwYdKUq

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
  • Script User-Agent 8 IoCs

    Uses user-agent string associated with script host/environment.

  • 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\1703.doc"
    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:1296
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1600

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      20KB

      MD5

      f4ca172778cf2803750ded5b4fc56ac6

      SHA1

      671bd5aca9dc9dd8b65ddfa66468021a9f05c6c4

      SHA256

      c4d3b506e6ca74f05e48bb8cebbd48b9973da06cb6987e48392c3c8f326d33e3

      SHA512

      900e4c26aa5478d9c815370d96b230fc1fb44e9406963cd51628562bd4dc55103c67f340696791884f9f2efb3d8d1e6faf67e3a175b240a3c0185dd8ddc63a4e

    • memory/1296-78-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-101-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-60-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-80-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-62-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-63-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-64-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-65-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-66-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-68-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-69-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-72-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-71-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-70-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-67-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-74-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-73-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-82-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-76-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-79-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-77-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1296-61-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-59-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-75-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-84-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-83-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-85-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-88-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-86-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-87-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-89-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-90-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-91-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-93-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-92-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-95-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-94-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-97-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-96-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-99-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-98-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-100-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-81-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB

    • memory/1296-58-0x0000000000560000-0x0000000000660000-memory.dmp
      Filesize

      1024KB