Analysis

  • max time kernel
    179s
  • 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/TS内审全套检查表.doc

  • Size

    282KB

  • MD5

    a66410fc146ac40b131c19bb1e6d4ba5

  • SHA1

    41f8bfac025a6c5752162b670e70ffcb665e6a20

  • SHA256

    201a3c1df6c3c3beba0300600a2832295a3b7ce2138d5206ae76a41e278e6098

  • SHA512

    078cc3b131df6ca75955327d0283b0ee9334a420faae52a0bbcd9577c23bd8f70957729a0fb2c6e0f7e11ca0225d8b93fb2275170cbea6223e2f20b8a80103e0

  • SSDEEP

    3072:hTunwVzkzzk9ezv4mAB18STrCsdpQ2HXe4JeFmIPDQ61JC0TH0Oh9+QHWIxdMKhg:hTunwVzak9eQP+G

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\TS内审全套检查表.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:1992
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1688

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1688-60-0x0000000000000000-mapping.dmp
    • memory/1688-61-0x000007FEFBD81000-0x000007FEFBD83000-memory.dmp
      Filesize

      8KB

    • memory/1992-54-0x00000000726D1000-0x00000000726D4000-memory.dmp
      Filesize

      12KB

    • memory/1992-55-0x0000000070151000-0x0000000070153000-memory.dmp
      Filesize

      8KB

    • memory/1992-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1992-57-0x0000000076121000-0x0000000076123000-memory.dmp
      Filesize

      8KB

    • memory/1992-58-0x000000007113D000-0x0000000071148000-memory.dmp
      Filesize

      44KB

    • memory/1992-59-0x000000007113D000-0x0000000071148000-memory.dmp
      Filesize

      44KB

    • memory/1992-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1992-63-0x000000007113D000-0x0000000071148000-memory.dmp
      Filesize

      44KB