Analysis

  • max time kernel
    298s
  • max time network
    327s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-es
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-eslocale:es-esos:windows10-ltsc_2021-x64systemwindows
  • submitted
    23/10/2026, 23:46

General

  • Target
    Oneshot/libgmp-10.dll
  • Size 594KB
  • Sample261023-3sr72adh38
  • SHA256 a8a99b2b37cc9afd7be06b04faee08698ff4649ec7c3d7dcff21f765e2ee21ec
  • 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\Oneshot\libgmp-10.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Oneshot\libgmp-10.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5548 -s 608
        3⤵
        • Program crash
        PID:5788
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5548 -ip 5548
    1⤵
      PID:5448

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/5548-0-0x000000006AEC0000-0x000000006AF39000-memory.dmp