Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/09/2026, 18:50

General

  • Target
    2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe
  • Size 95KB
  • Sample260906-xhdc8sythy
  • SHA256 10d18f2084b3970f041b65c2cfa2cca967d7825eedcbc71f3b32bc5de0546181
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\kqrjl.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe"
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1524
      • \??\c:\kqrjl.exe
        c:\kqrjl.exe "C:\Users\Admin\AppData\Local\Temp\2026-09-06_c04513666d4e8dabe9686b4e8ad8c2ac_elex_feodo_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4064
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\ewnaq\vzgyc.dll",DoVirusScan c:\kqrjl.exe
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:260
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 260 -s 476
            5⤵
            • Program crash
            PID:4752
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 260 -ip 260
    1⤵
      PID:4156

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          vzgyc.dll

          • Path \??\c:\ewnaq\vzgyc.dll
          • Size 50KB
          • SHA256 7604a0d3e695ff2f47b2961a860aa77e41952df48c132c18ac8d84e6ed3ee8eb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          kqrjl.exe

          • Path \??\c:\kqrjl.exe
          • Size 95KB
          • SHA256 a2fe6de160a02c7b0647f3672799882627ea5798b4e45ab1e77b9479a60223c0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/260-9-0x0000000010000000-0x0000000010032000-memory.dmp

          memory/4064-6-0x0000000000400000-0x0000000000417000-memory.dmp

          memory/4624-0-0x0000000000400000-0x0000000000417000-memory.dmp

          memory/4624-2-0x0000000000400000-0x0000000000417000-memory.dmp