Analysis

  • max time kernel
    102s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 04:30

General

  • Target

    欢迎来到 grubinst2.doc

  • Size

    206KB

  • MD5

    eca075bb637f2228ecf911b2d10eeb33

  • SHA1

    eada267873cfdde7d14e92794ed22e95bb543a4d

  • SHA256

    d39eb615c760f9dba0c642e8466c1eb70b40c48965303be3f881a3edd1d6facd

  • SHA512

    91a4421e9c909ca6c95fa081efc8865adcb7a868bede910af695150b16b79a77526754498cf635af256d8c8c31da09c2cba10b26e480728a39933244dcf86b13

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\欢迎来到 grubinst2.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:808
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1352

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/808-54-0x00000000722B1000-0x00000000722B4000-memory.dmp
      Filesize

      12KB

    • memory/808-55-0x000000006FD31000-0x000000006FD33000-memory.dmp
      Filesize

      8KB

    • memory/808-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/808-57-0x0000000075D21000-0x0000000075D23000-memory.dmp
      Filesize

      8KB

    • memory/808-59-0x0000000070D1D000-0x0000000070D28000-memory.dmp
      Filesize

      44KB

    • memory/808-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1352-58-0x0000000000000000-mapping.dmp
    • memory/1352-60-0x000007FEFB741000-0x000007FEFB743000-memory.dmp
      Filesize

      8KB