Analysis

  • max time kernel
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 17:04

General

  • Target
    2026-10-11_86b3edb82125314f7152a51528dacc15_elex_ramnit_wannacry.exe
  • Size 439KB
  • Sample261012-vlfxesvt7p
  • SHA256 33c6565bcc799a7da6835bd983cdeb41aced1824837a44f298282a5bb0970479
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • UPX dump on OEP (original entry point) 5 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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\2026-10-11_86b3edb82125314f7152a51528dacc15_elex_ramnit_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-11_86b3edb82125314f7152a51528dacc15_elex_ramnit_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Users\Admin\AppData\Local\Temp\2026-10-11_86b3edb82125314f7152a51528dacc15_elex_ramnit_wannacrySrv.exe
      C:\Users\Admin\AppData\Local\Temp\2026-10-11_86b3edb82125314f7152a51528dacc15_elex_ramnit_wannacrySrv.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 332
        3⤵
        • Program crash
        PID:5820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2324 -ip 2324
    1⤵
      PID:3448

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          2026-10-11_86b3edb82125314f7152a51528dacc15_elex_ramnit_wannacrySrv.exe

          • Path C:\Users\Admin\AppData\Local\Temp\2026-10-11_86b3edb82125314f7152a51528dacc15_elex_ramnit_wannacrySrv.exe
          • Size 111KB
          • SHA256 5ad34c456940a1b1461c5dd11a1a53ff1480e13a18dca03eed0eb7ff61bf3507
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2324-5-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/2324-7-0x0000000000400000-0x000000000042E000-memory.dmp

          memory/2324-6-0x00000000005E0000-0x00000000005EF000-memory.dmp

          memory/4348-0-0x0000000000400000-0x0000000000474000-memory.dmp

          memory/4348-9-0x0000000000400000-0x0000000000474000-memory.dmp

          memory/4348-10-0x0000000000400000-0x0000000000474000-memory.dmp