Analysis

  • max time kernel
    109s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 16:40

General

  • Target

    旺旺群发E客服版/群发帮助说明.doc

  • Size

    811KB

  • MD5

    7ff3dc2ce9d2432588223409785bf24a

  • SHA1

    20936d369bfb5e628039ffacb05b8a371789702f

  • SHA256

    a9ac3e32fe1bca7b39025f450032e4a53b34ce8b8ceabc6df64846ae9646fcaa

  • SHA512

    5d29b5cace3c3988f1a6dfe8e8d05eada6b8879538f89ffafac3d3e354430a6ba07f845e4488a2680021b9809a7c4026358127fb003e1173f6e17788f948390c

  • SSDEEP

    12288:zDWzRI6QYQsuwy1XQIKw4hx7FcrqSFLMCSJtJkQxmjuGYozVBT9Wjpoogl:zC6C6iS4hxsd1l7y/U96/gl

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\旺旺群发E客服版\群发帮助说明.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:2004
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1836

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1836-60-0x0000000000000000-mapping.dmp
    • memory/1836-61-0x000007FEFC1B1000-0x000007FEFC1B3000-memory.dmp
      Filesize

      8KB

    • memory/2004-54-0x0000000072CA1000-0x0000000072CA4000-memory.dmp
      Filesize

      12KB

    • memory/2004-55-0x0000000070721000-0x0000000070723000-memory.dmp
      Filesize

      8KB

    • memory/2004-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2004-57-0x0000000075831000-0x0000000075833000-memory.dmp
      Filesize

      8KB

    • memory/2004-58-0x000000007170D000-0x0000000071718000-memory.dmp
      Filesize

      44KB

    • memory/2004-59-0x000000007170D000-0x0000000071718000-memory.dmp
      Filesize

      44KB

    • memory/2004-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2004-63-0x000000007170D000-0x0000000071718000-memory.dmp
      Filesize

      44KB