Analysis

  • max time kernel
    4294205s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    05/04/2022, 06:42

General

  • Target
    policeTemplate7.dotm
  • Size 54KB
  • Sample220405-hgb2fsecgn
  • SHA256 cbd6f89dae3b013f598664bb004eeea0a45c8bf31ae2197adab1b8907b65dc12
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 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
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 14 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\policeTemplate7.dotm"
    1⤵
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • 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:1996
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1116
      • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
        "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 120
          3⤵
          • Process spawned unexpected child process
          • Program crash
          PID:1680

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1116-60-0x000007FEFB6D1000-0x000007FEFB6D3000-memory.dmp

          memory/1168-62-0x0000000000080000-0x000000000009F000-memory.dmp

          memory/1168-65-0x0000000000080000-0x000000000009F000-memory.dmp

          memory/1996-54-0x0000000072271000-0x0000000072274000-memory.dmp

          memory/1996-55-0x000000006FCF1000-0x000000006FCF3000-memory.dmp

          memory/1996-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1996-57-0x0000000074C61000-0x0000000074C63000-memory.dmp

          memory/1996-58-0x0000000070CDD000-0x0000000070CE8000-memory.dmp

          memory/1996-61-0x00000000007A7000-0x00000000007A8000-memory.dmp