Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/05/2026, 16:07

General

  • Target
    libReportParam2.dll
  • Size 855KB
  • Sample260527-tk11jadw6x
  • SHA256 aba5031c161b65c52690f201f93d390e7b6bff6373384d0880a6007a315e5fb9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\libReportParam2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\libReportParam2.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 612
        3⤵
        • Program crash
        PID:4356
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4896 -ip 4896
    1⤵
      PID:1916

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads