Analysis

  • max time kernel
    150s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 10:17

General

  • Target
    2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe
  • Size 852KB
  • Sample260415-mbebvaew6w
  • SHA256 348ec84aae2ba952854eafb5dff00e01211bc3a9efc35a728607770cd140699b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Gh0st RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 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:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3244
    • \??\c:\Windows\svchest425075242507520.exe
      c:\Windows\svchest425075242507520.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4260
  • C:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe
    C:\Users\Admin\AppData\Local\Temp\2026-04-15_4991c88a1be12b73bef48e737770bb51_elex_gh0st-rat_wannacry.exe
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2616

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        svchest425075242507520.exe

        • Path C:\Windows\svchest425075242507520.exe
        • Size 852KB
        • SHA256 348ec84aae2ba952854eafb5dff00e01211bc3a9efc35a728607770cd140699b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2616-8-0x0000000000A80000-0x0000000000B1C000-memory.dmp

        memory/3244-9-0x0000000000AF0000-0x0000000000B8C000-memory.dmp

        memory/4260-7-0x00000000009B0000-0x0000000000A4C000-memory.dmp