Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    24-11-2020 14:56

General

  • Target

    material.11.20.doc

  • Size

    142KB

  • MD5

    96d1a0a87b63e08f2b2299841cd0bf52

  • SHA1

    f89fd556d4bdfd8052e2a5c29164823ab79a6923

  • SHA256

    4de0cdd480990aad05acf6c178e4711cd05bf0bc83b4c65fe0e0c0003832f5d6

  • SHA512

    c2ee88dcaceee3fb638a357e2a4f5a7fcd0a73cf2cda370e924ac4b9581a819435250a5598eccb1c338467b815d9a9037f33a0e0891e3595b4a0620f1085a683

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.

  • Blacklisted process makes network request 6 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 11 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\material.11.20.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 C:\Users\Admin\AppData\Local\Temp\Fxrri.pdf,ShowDialogA -r
      2⤵
      • Process spawned unexpected child process
      • Blacklisted process makes network request
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:1768
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1744

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1644-0-0x0000000005C20000-0x0000000005C85000-memory.dmp

      Filesize

      404KB

    • memory/1644-1-0x00000000005F2000-0x00000000005F6000-memory.dmp

      Filesize

      16KB

    • memory/1644-2-0x0000000005C20000-0x0000000005C85000-memory.dmp

      Filesize

      404KB