Analysis

  • max time kernel
    141s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 10:31

General

  • Target
    $PLUGINSDIR/version.dll
  • Size 6KB
  • Sample240603-mkcjlsbd3x
  • SHA256 3eba921ef649b71f98d9378dee8105b38d2464c9ccde37a694e4a0cd77d22a75
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 228
        3⤵
        • Program crash
        PID:3036

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1784-0-0x0000000000400000-0x000000000040C000-memory.dmp

        memory/1784-1-0x0000000000400000-0x000000000040C000-memory.dmp