Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2024, 09:46

General

  • Target
    inquiry.08.21.doc
  • Size 84KB
  • Sample240327-lr276scf3w
  • SHA256 655da2956892b86082e1bf3d64819643b6671da87ec5bc06a375cbcaac29463f
  • MD5 SHA1 SHA512 SSDEEP
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.

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\inquiry.08.21.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\SYSTEM32\scriptrunner.exe
      scriptrunner.exe -appvscript .hTA
      2⤵
      • Process spawned unexpected child process
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\.hTA" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        3⤵
          PID:2884
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 1404
            4⤵
            • Program crash
            PID:404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2884 -ip 2884
      1⤵
        PID:4708

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            .hTA

            • Path C:\Users\Admin\AppData\Local\Temp\.hTA
            • Size 2KB
            • SHA256 2372c2653074ae127effc103497709404c9cfc888fb0a23b220715abeee5ee75
            • MD5 SHA1 SHA512

            memory/2792-37-0x00000209F5850000-0x00000209F585A000-memory.dmp

            memory/2792-41-0x00007FFF45520000-0x00007FFF45FE1000-memory.dmp

            memory/2792-39-0x00007FFF45520000-0x00007FFF45FE1000-memory.dmp

            memory/2884-45-0x0000000004830000-0x0000000004850000-memory.dmp

            memory/4604-11-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-35-0x000002935A7D0000-0x000002935AFD0000-memory.dmp

            memory/4604-5-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-8-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-9-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-0-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-10-0x00007FFF2F490000-0x00007FFF2F4A0000-memory.dmp

            memory/4604-12-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-14-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-15-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-13-0x00007FFF2F490000-0x00007FFF2F4A0000-memory.dmp

            memory/4604-16-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-17-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-18-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-19-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-20-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-23-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-24-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-25-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-6-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-36-0x000002935A7D0000-0x000002935AFD0000-memory.dmp

            memory/4604-7-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-3-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-4-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-2-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-1-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-52-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-53-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-54-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-55-0x000002935A7D0000-0x000002935AFD0000-memory.dmp

            memory/4604-56-0x000002935A7D0000-0x000002935AFD0000-memory.dmp

            memory/4604-75-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-76-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-77-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-78-0x00007FFF31A10000-0x00007FFF31A20000-memory.dmp

            memory/4604-79-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp

            memory/4604-80-0x00007FFF71990000-0x00007FFF71B85000-memory.dmp