Analysis

  • max time kernel
    4294180s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    28-03-2022 18:05

General

  • Target

    TopjQOYSxpfdTGMA.doc

  • Size

    943KB

  • MD5

    45a45e8755d528a77314b2be258614df

  • SHA1

    ac76e90a575865376c80a06c9f445110ff9e8819

  • SHA256

    36167dcde57f9a12723e0af7f9ea7aba88dd8cc1bdd74b62df1f86aa9d2ba925

  • SHA512

    47e687de6504ae5ec5eee0f1012c20c7b8cfc35f0efd203718b2c87160c1523087268a50a9a5b7177431325d79da8f7e247f4d5bb4e0dadcd14d5e9c960c0b2a

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 FindShellTrayWindow 2 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\TopjQOYSxpfdTGMA.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1292

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1292-58-0x0000000000000000-mapping.dmp
    • memory/1292-60-0x000007FEFBDE1000-0x000007FEFBDE3000-memory.dmp
      Filesize

      8KB

    • memory/1392-54-0x00000000728D1000-0x00000000728D4000-memory.dmp
      Filesize

      12KB

    • memory/1392-55-0x0000000070351000-0x0000000070353000-memory.dmp
      Filesize

      8KB

    • memory/1392-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1392-57-0x00000000763D1000-0x00000000763D3000-memory.dmp
      Filesize

      8KB

    • memory/1392-59-0x000000007133D000-0x0000000071348000-memory.dmp
      Filesize

      44KB