Analysis

  • max time kernel
    899s
  • max time network
    423s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 21:28

General

  • Target
    experimental_steamclient/steamclient.dll
  • Size 2.3MB
  • Sample260722-1bty7ace79
  • SHA256 23b86547d3733d7909f4a3cf680441c166a8dccc651f30f7f44b58e5bf5ab8c1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • 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\experimental_steamclient\steamclient.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\experimental_steamclient\steamclient.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4592
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4816
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:3612

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/4592-0-0x000000006EA60000-0x000000006EA70000-memory.dmp