Analysis

  • max time kernel
    181s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:22

General

  • Target

    体系/内部审核不符合报告/NO-001不符合项报告.rtf

  • Size

    43KB

  • MD5

    5b9756476f6cb706f6e9f3335a81286b

  • SHA1

    f9f919093dd13067d1ea28a3a3dd257fadc54b68

  • SHA256

    2b0f2bc2d55d04ddcf97a0363f63d8376b6db32b7c391f7de1d4b21d7e68f4d5

  • SHA512

    9a7477cde80580e233b597961bd04e3ec9691a596103d64778a05e63b3f27ce8f5c5d1935929c03620a93ac86ddb529444397b4035c2f1cabb5dc3be6bae33ec

  • SSDEEP

    768:x06oJvmO2G5zKfX2NUoGzPmAwb6KQO6XCzHviawAbeQY2UVKTcj9sKDNoAeAlY3+:CI0fm

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\体系\内部审核不符合报告\NO-001不符合项报告.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:1904
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1716

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1716-58-0x0000000000000000-mapping.dmp
    • memory/1716-60-0x000007FEFC521000-0x000007FEFC523000-memory.dmp
      Filesize

      8KB

    • memory/1904-54-0x0000000073011000-0x0000000073014000-memory.dmp
      Filesize

      12KB

    • memory/1904-55-0x0000000070A91000-0x0000000070A93000-memory.dmp
      Filesize

      8KB

    • memory/1904-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1904-57-0x0000000076871000-0x0000000076873000-memory.dmp
      Filesize

      8KB

    • memory/1904-59-0x0000000071A7D000-0x0000000071A88000-memory.dmp
      Filesize

      44KB

    • memory/1904-61-0x0000000071A7D000-0x0000000071A88000-memory.dmp
      Filesize

      44KB

    • memory/1904-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1904-63-0x0000000071A7D000-0x0000000071A88000-memory.dmp
      Filesize

      44KB