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Analysis

  • max time kernel
    143s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 03:08

General

  • Target

    $SYSDIR/avformat-lav-53.dll

  • Size

    983KB

  • MD5

    6664880fb8eb8f673dbe1c523529895d

  • SHA1

    b8a7e75d062c499f642bfb90e52b01b418b51afe

  • SHA256

    1733932d9c61cd43cc7ca4179a9d568448371012cfb5441fcc1cc3da52dc03b1

  • SHA512

    6cc1035e9676df1d95396da6a2c8020ec90ef3ea86890cbf815375705da78d80cbc5302462dce0daf6f46e8f6f10242c31daebcc8b85b295c69383b33c12c72b

  • SSDEEP

    24576:DRfI2ULZqxageBwvSa2bwXhhNE0F46TUrAz7Qtd+sm4geTJNGmKJ+05:1fxxaN5a2EXhJK6bQL+sGeTGmKJ+q

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avformat-lav-53.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avformat-lav-53.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 604
        3⤵
        • Program crash
        PID:552
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1156 -ip 1156
    1⤵
      PID:1828

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1156-0-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-3-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-1-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-5-0x0000000066C0F000-0x0000000067076000-memory.dmp

      Filesize

      4.4MB

    • memory/1156-7-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-10-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-9-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-13-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-19-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-16-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-14-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-15-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-12-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-11-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-8-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-6-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-2-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-23-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-25-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-28-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-31-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-32-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-38-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-42-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-41-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-47-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-48-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-49-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-54-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-55-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-52-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-50-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-45-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-44-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-40-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-37-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-39-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-36-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-35-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-56-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-57-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-59-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-63-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-64-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-66-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-71-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-72-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-70-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-69-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-67-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-68-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-65-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-62-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-61-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-60-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-58-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-33-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-34-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-30-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-27-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-24-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-21-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-22-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-20-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-18-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-147-0x0000000066C00000-0x00000000676AD000-memory.dmp

      Filesize

      10.7MB

    • memory/1156-148-0x0000000066C0F000-0x0000000067076000-memory.dmp

      Filesize

      4.4MB