Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    29-10-2021 11:18

General

  • Target

    vir.doc

  • Size

    417KB

  • MD5

    ba23c4970aa9c2de50bdf1b1e33bbadc

  • SHA1

    d51ee5f01cb47da056917564e8046cb41fc0e052

  • SHA256

    89885adcbb030fd0251b08cc401392e90d4ad948f6cfc68dda34472c455a8951

  • SHA512

    ec179c2b15d2db6190bb10867c407143d78adccb6bd920d83c083843eeb1bb47a11cb5c92a4a398ad04783fa2dd223009f462d01b9822ab51c05f70ebe654e30

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 8 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\vir.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:960
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1116

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/960-55-0x0000000073021000-0x0000000073024000-memory.dmp
      Filesize

      12KB

    • memory/960-56-0x0000000070AA1000-0x0000000070AA3000-memory.dmp
      Filesize

      8KB

    • memory/960-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/960-58-0x0000000075C21000-0x0000000075C23000-memory.dmp
      Filesize

      8KB

    • memory/1116-59-0x0000000000000000-mapping.dmp
    • memory/1116-60-0x000007FEFC481000-0x000007FEFC483000-memory.dmp
      Filesize

      8KB