Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    30/11/2021, 00:24

General

  • Target
    700db4ae28f53782d239e83db189c7c956b06f61e04cb4a55ff4bc759faa170e.bin.doc
  • Size 80KB
  • Sample211130-ap29lsdacn
  • SHA256 700db4ae28f53782d239e83db189c7c956b06f61e04cb4a55ff4bc759faa170e
  • 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.

  • suricata: ET MALWARE Maldoc OneDrive Download Activity (GET)

    suricata: ET MALWARE Maldoc OneDrive Download Activity (GET)

  • 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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 13 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\700db4ae28f53782d239e83db189c7c956b06f61e04cb4a55ff4bc759faa170e.bin.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:672
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1776
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 1360
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          PID:544

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/544-67-0x00000000005A0000-0x00000000005D0000-memory.dmp

          memory/672-55-0x00000000722D1000-0x00000000722D4000-memory.dmp

          memory/672-56-0x000000006FD51000-0x000000006FD53000-memory.dmp

          memory/672-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/672-58-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

          memory/836-62-0x0000000000080000-0x0000000000081000-memory.dmp

          memory/836-64-0x0000000000080000-0x0000000000081000-memory.dmp

          memory/836-66-0x0000000002E50000-0x0000000003850000-memory.dmp

          memory/1776-60-0x000007FEFB7E1000-0x000007FEFB7E3000-memory.dmp