Analysis

  • max time kernel
    74s
  • max time network
    72s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13/02/2023, 18:26

General

  • Target

    lsass.dll

  • Size

    12KB

  • MD5

    cff85c549d536f651d4fb8387f1976f2

  • SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

  • SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

  • SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • SSDEEP

    192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\lsass.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\lsass.dll,#1
      2⤵
        PID:652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 652 -s 636
          3⤵
          • Program crash
          PID:4316
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:4308

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/652-121-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-122-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-123-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-124-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-125-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-126-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-127-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-128-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-129-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-130-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-131-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-132-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-133-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-134-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-135-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-136-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-137-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-138-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-139-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-140-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-141-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-142-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-143-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-144-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-145-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-146-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-147-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-148-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-149-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-150-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-151-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-152-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-153-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-154-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-155-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-156-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-157-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-158-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-159-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-160-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-161-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-162-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-163-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB

      • memory/652-164-0x0000000077D60000-0x0000000077EEE000-memory.dmp

        Filesize

        1.6MB