Analysis

  • max time kernel
    142s
  • 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-002不符合项报告.rtf

  • Size

    43KB

  • MD5

    3121f4414d5022d0176905d37b18e2a8

  • SHA1

    ca800b5be36fd44755e5a2667dcde281b77aa479

  • SHA256

    c7861b9e544377d2b314e9fabf530bb63b7f2f37398c2de3df0dcee680575c6e

  • SHA512

    c0990366a1127878a0db8b578f40f2ab370cf90f360f4150abe06a2069fc0591ca988e791e3a154a778cba0ccfdaea54c4cd6e7ee6f1d0e5441bb0195e2f4153

  • SSDEEP

    768:x06oJvmO2G5zKfX2NUoGMdeA3LKadA+QIpiZawAbeQY2UVKTcj9sKVyknAeAp7Mx:miUkGNm

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-002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:1888
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1328

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1328-58-0x0000000000000000-mapping.dmp
    • memory/1328-60-0x000007FEFB931000-0x000007FEFB933000-memory.dmp
      Filesize

      8KB

    • memory/1888-54-0x0000000072281000-0x0000000072284000-memory.dmp
      Filesize

      12KB

    • memory/1888-55-0x000000006FD01000-0x000000006FD03000-memory.dmp
      Filesize

      8KB

    • memory/1888-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1888-57-0x0000000075811000-0x0000000075813000-memory.dmp
      Filesize

      8KB

    • memory/1888-59-0x0000000070CED000-0x0000000070CF8000-memory.dmp
      Filesize

      44KB

    • memory/1888-61-0x0000000070CED000-0x0000000070CF8000-memory.dmp
      Filesize

      44KB

    • memory/1888-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1888-63-0x0000000070CED000-0x0000000070CF8000-memory.dmp
      Filesize

      44KB