Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 20:12

General

  • Target

    GZIP.dll

  • Size

    19KB

  • MD5

    d06d3ed9ad9b3a9bc644ffe4729a03cd

  • SHA1

    d58aa41517ca8765365ec498ab3be79a2a7bab80

  • SHA256

    c875f8b2db2a1c89ee76d6f2e4431be63d728e8d7edc2635df2d3ce1b9f8cb73

  • SHA512

    124c8d2f09026a8f64e5b3822b3c40a6282c93f914d15f8902bb76775ff0d59d4e395fdd79673865f3739562c6fa7ed23d1fa5dad6969954768188013e689fcb

  • SSDEEP

    384:JMTnIZMZlfoMfrPhyza/Ig3AEjctMQWxoy5XbkLWX:YtfoMjPhyzaDAe9QReXbz

Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\GZIP.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\GZIP.dll,#1
      2⤵
        PID:1620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 600
          3⤵
          • Program crash
          PID:4628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1620 -ip 1620
      1⤵
        PID:4860

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            • memory/1620-0-0x0000000068CD0000-0x0000000068CDF000-memory.dmp

              Filesize

              60KB