Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/06/2024, 04:08

General

  • Target
    Data/avdevice-58.dll
  • Size 1.2MB
  • Sample240605-eql18sdg3z
  • SHA256 8c7497c4670fad30b2ca4607d7168f47b1cbc8ba55a3de77051b1bc8e5680ffe
  • MD5 SHA1 SHA512 SSDEEP
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\Data\avdevice-58.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3136
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Data\avdevice-58.dll,#1
      2⤵
        PID:2188
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 964
          3⤵
          • Program crash
          PID:2552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2188 -ip 2188
      1⤵
        PID:2444

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/2188-0-0x0000000074E00000-0x0000000074F3B000-memory.dmp

            memory/2188-1-0x0000000074490000-0x0000000074DA5000-memory.dmp

            memory/2188-2-0x00000000737B0000-0x0000000073AC4000-memory.dmp

            memory/2188-3-0x0000000073AD0000-0x000000007448B000-memory.dmp

            memory/2188-5-0x0000000073650000-0x00000000736E2000-memory.dmp

            memory/2188-4-0x00000000736F0000-0x0000000073774000-memory.dmp

            memory/2188-6-0x0000000070DC0000-0x0000000073649000-memory.dmp