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
    25-12-2023 16:02

General

  • Target

    ƽ&ַʥ100Ԫĵ/˵/�.docx

  • Size

    13KB

  • MD5

    16c7a63012aa4d77f31fc77bfd734d80

  • SHA1

    4cf5373dea58bcaeb4b502cec3a2e5c76bb4b52f

  • SHA256

    e364e89c4c9f50d4782cba50dd27b724eff554b0c6a670861fda98af2f6833c3

  • SHA512

    ca97265dc843a939676e5282f67a8ded9f2d8dab116767fd0c88777a69e7a2297eaae83eaec67e12da471769a5df4234ea79a72fdb607b883799307215fe4cdd

  • SSDEEP

    384:acTShuj8v55nl4vvjk1NFcQrlSNgvhtS4Z:lTS8jinl4vYqssNgveI

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\ƽ&ַʥ100Ԫĵ\˵\�.docx"
    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:2892
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1956

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

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    Downloads

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

      20KB

      MD5

      6193665800774f6c1a66727af392d78d

      SHA1

      39f2c6d0c1240ddc77fdaf437e8909abc2deb072

      SHA256

      8897cc867473fe8629854067ba68ed0480ddeac3e6b1ec135fb39c522fee8174

      SHA512

      67ce127e667f0457e4723412ed1e2de4a7930b9d83e43d33b28d5119547609319d3cc568985edc38ddd1e537dfe3ec453b21cbc3f4fb066568bd996dd9edf1c8

    • memory/2892-0-0x000000002F171000-0x000000002F172000-memory.dmp
      Filesize

      4KB

    • memory/2892-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2892-2-0x000000007175D000-0x0000000071768000-memory.dmp
      Filesize

      44KB

    • memory/2892-11-0x000000007175D000-0x0000000071768000-memory.dmp
      Filesize

      44KB

    • memory/2892-29-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2892-30-0x000000007175D000-0x0000000071768000-memory.dmp
      Filesize

      44KB