Analysis

  • max time kernel
    444s
  • max time network
    1174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    26/06/2024, 02:20

General

  • Target
    $PLUGINSDIR/nsis7z.dll
  • Size 424KB
  • Sample240626-css68asakp
  • SHA256 b393f05e8ff919ef071181050e1873c9a776e1a0ae8329aefff7007d0cadf592
  • 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\$PLUGINSDIR\nsis7z.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsis7z.dll,#1
      2⤵
        PID:3396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 620
          3⤵
          • Program crash
          PID:4692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3396 -ip 3396
      1⤵
        PID:1572

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads