Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 12:17

General

  • Target
    $PLUGINSDIR/CheckProVs.dll
  • Size 7KB
  • Sample260705-pf13hsct91
  • SHA256 ee7e26894cbf89c93ae4df15bdb12cd9a21f5deacedfa99a01eefe8fa52daec2
  • 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\$PLUGINSDIR\CheckProVs.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CheckProVs.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:6028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 6028 -s 492
        3⤵
        • Program crash
        PID:1728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 6028 -ip 6028
    1⤵
      PID:1708

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads