Analysis

  • max time kernel
    141s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 16:07

General

  • Target

    zlib1.dll

  • Size

    99KB

  • MD5

    caa9c3b04efe83d93a9e4cac94b8e4a9

  • SHA1

    95499536603ea18daf9be781bd927908d8327ac4

  • SHA256

    249221a372e83580fa03e789714117c709fc1ce55cb7372640895833916b9f04

  • SHA512

    faf16f7941e7a4f8a1caa144b0f845c704d38420e3bf549cb8961089dc380d7b08ebf347934366a2ec9b42c69d32e5ac675d56dbed6ebe029cafc2c23410b3b3

  • SSDEEP

    1536:bON+QZJpRJ1glrdXOW0nTEDIptmwRh4p1nToIf6IOqIOqIF4qY+O:0HpRkXOlsIpkwYdTBfI4qIF4qY+O

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\zlib1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\zlib1.dll,#1
      2⤵
        PID:2180
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 600
          3⤵
          • Program crash
          PID:4176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2180 -ip 2180
      1⤵
        PID:5084

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2180-0-0x0000000063080000-0x00000000630A0000-memory.dmp
        Filesize

        128KB