Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    22/07/2026, 14:55

General

  • Target
    Undertale/steamclient.dll
  • Size 255KB
  • Sample260722-samvgstvbv
  • SHA256 6b8411ea4559e739995beab3f8fc26a9c590291a5338a642d7ecb2f38a833950
  • 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 behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Undertale\steamclient.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Undertale\steamclient.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:756

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/756-0-0x0000000075470000-0x0000000075526000-memory.dmp

        memory/756-3-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

        memory/756-4-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

        memory/756-5-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

        memory/756-6-0x0000000000D40000-0x0000000000D41000-memory.dmp

        memory/756-7-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

        memory/756-8-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

        memory/756-9-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

        memory/756-10-0x0000000077AC2000-0x0000000077AC3000-memory.dmp